<?php

namespace App\Http\Controllers\Api;

use App\AccountLog;
use App\EmailVerification;
use App\Follower;
use App\Http\Controllers\Controller;
use App\Http\Controllers\StatusController;
use App\Http\Resources\StatusStateless;
use App\Jobs\ImageOptimizePipeline\ImageOptimize;
use App\Jobs\ReportPipeline\ReportNotifyAdminViaEmail;
use App\Jobs\StatusPipeline\NewStatusPipeline;
use App\Jobs\StatusPipeline\RemoteStatusDelete;
use App\Jobs\StatusPipeline\StatusDelete;
use App\Jobs\VideoPipeline\VideoThumbnail;
use App\Mail\ConfirmAppEmail;
use App\Mail\PasswordChange;
use App\Media;
use App\Place;
use App\Profile;
use App\Report;
use App\Rules\ExpoPushTokenRule;
use App\Services\AccountService;
use App\Services\BouncerService;
use App\Services\EmailService;
use App\Services\FollowerService;
use App\Services\MediaBlocklistService;
use App\Services\MediaPathService;
use App\Services\NetworkTimelineService;
use App\Services\NotificationAppGatewayService;
use App\Services\ProfileStatusService;
use App\Services\PublicTimelineService;
use App\Services\PushNotificationService;
use App\Services\SanitizeService;
use App\Services\StatusService;
use App\Services\UserRoleService;
use App\Services\UserStorageService;
use App\Status;
use App\StatusArchived;
use App\Story;
use App\User;
use App\UserSetting;
use App\Util\Lexer\RestrictedNames;
use Cache;
use DB;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Hash;
use Illuminate\Support\Facades\RateLimiter;
use Illuminate\Support\Str;
use Jenssegers\Agent\Agent;
use League\Fractal;
use League\Fractal\Serializer\ArraySerializer;
use Mail;

class ApiV1Dot1Controller extends Controller
{
    protected $fractal;

    public function __construct()
    {
        $this->fractal = new Fractal\Manager;
        $this->fractal->setSerializer(new ArraySerializer);
    }

    public function json($res, $code = 200, $headers = [])
    {
        return response()->json($res, $code, $headers, JSON_UNESCAPED_SLASHES);
    }

    public function error($msg, $code = 400, $extra = [], $headers = [])
    {
        $res = [
            'msg' => $msg,
            'code' => $code,
        ];

        return response()->json(array_merge($res, $extra), $code, $headers, JSON_UNESCAPED_SLASHES);
    }

    public function report(Request $request)
    {
        abort_if(! $request->user() || ! $request->user()->token(), 403);
        abort_unless($request->user()->tokenCan('write'), 403);

        $user = $request->user();
        abort_if($user->status != null, 403);

        if (config('pixelfed.bouncer.cloud_ips.ban_signups')) {
            abort_if(BouncerService::checkIp($request->ip()), 404);
        }

        $report_type = $request->input('report_type');
        $object_id = $request->input('object_id');
        $object_type = $request->input('object_type');

        $types = [
            'spam',
            'sensitive',
            'abusive',
            'underage',
            'violence',
            'copyright',
            'impersonation',
            'scam',
            'terrorism',
        ];

        if (! $report_type || ! $object_id || ! $object_type) {
            return $this->error('Invalid or missing parameters', 400, ['error_code' => 'ERROR_INVALID_PARAMS']);
        }

        if (! in_array($report_type, $types)) {
            return $this->error('Invalid report type', 400, ['error_code' => 'ERROR_TYPE_INVALID']);
        }

        if ($object_type === 'user' && $object_id == $user->profile_id) {
            return $this->error('Cannot self report', 400, ['error_code' => 'ERROR_NO_SELF_REPORTS']);
        }

        $rpid = null;

        switch ($object_type) {
            case 'post':
                $object = Status::find($object_id);
                if (! $object) {
                    return $this->error('Invalid object id', 400, ['error_code' => 'ERROR_INVALID_OBJECT_ID']);
                }
                $object_type = 'App\Status';
                $exists = Report::whereUserId($user->id)
                    ->whereObjectId($object->id)
                    ->whereObjectType('App\Status')
                    ->count();

                $rpid = $object->profile_id;
                break;

            case 'user':
                $object = Profile::find($object_id);
                if (! $object) {
                    return $this->error('Invalid object id', 400, ['error_code' => 'ERROR_INVALID_OBJECT_ID']);
                }
                $object_type = 'App\Profile';
                $exists = Report::whereUserId($user->id)
                    ->whereObjectId($object->id)
                    ->whereObjectType('App\Profile')
                    ->count();
                $rpid = $object->id;
                break;

            case 'story':
                $object = Story::whereActive(true)->find($object_id);
                if (! $object) {
                    return $this->error('Invalid object id', 400, ['error_code' => 'ERROR_INVALID_OBJECT_ID']);
                }
                if ($object->profile_id == $user->profile_id) {
                    return $this->error('Cannot self report', 400, ['error_code' => 'ERROR_NO_SELF_REPORTS']);
                }
                if (! Follower::whereProfileId($user->profile_id)->whereFollowingId($object->profile_id)->exists()) {
                    return $this->error('Invalid object id', 400, ['error_code' => 'ERROR_INVALID_OBJECT_ID']);
                }
                $object_type = 'App\Story';
                $exists = Report::whereUserId($user->id)
                    ->whereObjectId($object->id)
                    ->whereObjectType('App\Story')
                    ->count();

                $rpid = $object->profile_id;
                break;

            default:
                return $this->error('Invalid report type', 400, ['error_code' => 'ERROR_REPORT_OBJECT_TYPE_INVALID']);
        }

        if ($exists !== 0) {
            return $this->error('Duplicate report', 400, ['error_code' => 'ERROR_REPORT_DUPLICATE']);
        }

        if ($object->profile_id == $user->profile_id) {
            return $this->error('Cannot self report', 400, ['error_code' => 'ERROR_NO_SELF_REPORTS']);
        }

        $report = new Report;
        $report->profile_id = $user->profile_id;
        $report->user_id = $user->id;
        $report->object_id = $object->id;
        $report->object_type = $object_type;
        $report->reported_profile_id = $rpid;
        $report->type = $report_type;
        $report->save();

        if (config('instance.reports.email.enabled')) {
            ReportNotifyAdminViaEmail::dispatch($report)->onQueue('default');
        }

        $res = [
            'msg' => 'Successfully sent report',
            'code' => 200,
        ];

        return $this->json($res);
    }

    /**
     * DELETE /api/v1.1/accounts/avatar
     *
     * @return \App\Transformer\Api\AccountTransformer
     */
    public function deleteAvatar(Request $request)
    {
        abort_if(! $request->user() || ! $request->user()->token(), 403);
        abort_unless($request->user()->tokenCan('write'), 403);

        $user = $request->user();
        abort_if($user->status != null, 403);

        if (config('pixelfed.bouncer.cloud_ips.ban_signups')) {
            abort_if(BouncerService::checkIp($request->ip()), 404);
        }

        $avatar = $user->profile->avatar;

        if ($avatar->media_path == 'public/avatars/default.png' ||
            $avatar->media_path == 'public/avatars/default.jpg'
        ) {
            return AccountService::get($user->profile_id);
        }

        if (is_file(storage_path('app/'.$avatar->media_path))) {
            @unlink(storage_path('app/'.$avatar->media_path));
        }

        $avatar->media_path = 'public/avatars/default.jpg';
        $avatar->change_count = $avatar->change_count + 1;
        $avatar->save();

        Cache::forget('avatar:'.$user->profile_id);
        Cache::forget("avatar:{$user->profile_id}");
        Cache::forget('user:account:id:'.$user->id);
        AccountService::del($user->profile_id);

        return AccountService::get($user->profile_id);
    }

    /**
     * GET /api/v1.1/accounts/{id}/posts
     *
     * @return \App\Transformer\Api\StatusTransformer
     */
    public function accountPosts(Request $request, $id)
    {
        abort_if(! $request->user() || ! $request->user()->token(), 403);
        abort_unless($request->user()->tokenCan('read'), 403);

        $user = $request->user();
        abort_if($user->status != null, 403);

        if (config('pixelfed.bouncer.cloud_ips.ban_signups')) {
            abort_if(BouncerService::checkIp($request->ip()), 404);
        }

        $account = AccountService::get($id);

        if (! $account || $account['username'] !== $request->input('username')) {
            return $this->json([]);
        }

        $posts = ProfileStatusService::get($id);

        if (! $posts) {
            return $this->json([]);
        }

        $res = collect($posts)
            ->map(function ($id) {
                return StatusService::get($id);
            })
            ->filter(function ($post) {
                return $post && isset($post['account']);
            })
            ->toArray();

        return $this->json($res);
    }

    /**
     * POST /api/v1.1/accounts/change-password
     *
     * @return \App\Transformer\Api\AccountTransformer
     */
    public function accountChangePassword(Request $request)
    {
        abort_if(! $request->user() || ! $request->user()->token(), 403);
        abort_unless($request->user()->tokenCan('write'), 403);

        $user = $request->user();
        abort_if($user->status != null, 403);
        if (config('pixelfed.bouncer.cloud_ips.ban_signups')) {
            abort_if(BouncerService::checkIp($request->ip()), 404);
        }

        $this->validate($request, [
            'current_password' => 'bail|required|current_password',
            'new_password' => 'required|min:'.config('pixelfed.min_password_length', 8),
            'confirm_password' => 'required|same:new_password',
        ], [
            'current_password' => 'The password you entered is incorrect',
        ]);

        $user->password = bcrypt($request->input('new_password'));
        $user->save();

        $log = new AccountLog;
        $log->user_id = $user->id;
        $log->item_id = $user->id;
        $log->item_type = 'App\User';
        $log->action = 'account.edit.password';
        $log->message = 'Password changed';
        $log->link = null;
        $log->ip_address = $request->ip();
        $log->user_agent = $request->userAgent();
        $log->save();

        Mail::to($request->user())->send(new PasswordChange($user));

        return $this->json(AccountService::get($user->profile_id));
    }

    /**
     * GET /api/v1.1/accounts/login-activity
     *
     * @return array
     */
    public function accountLoginActivity(Request $request)
    {
        abort_if(! $request->user() || ! $request->user()->token(), 403);
        abort_unless($request->user()->tokenCan('read'), 403);

        $user = $request->user();
        abort_if($user->status != null, 403);
        if (config('pixelfed.bouncer.cloud_ips.ban_signups')) {
            abort_if(BouncerService::checkIp($request->ip()), 404);
        }
        $agent = new Agent;
        $currentIp = $request->ip();

        $activity = AccountLog::whereUserId($user->id)
            ->whereAction('auth.login')
            ->orderBy('created_at', 'desc')
            ->groupBy('ip_address')
            ->limit(10)
            ->get()
            ->map(function ($item) use ($agent, $currentIp) {
                $agent->setUserAgent($item->user_agent);

                return [
                    'id' => $item->id,
                    'action' => $item->action,
                    'ip' => $item->ip_address,
                    'ip_current' => $item->ip_address === $currentIp,
                    'is_mobile' => $agent->isMobile(),
                    'device' => $agent->device(),
                    'browser' => $agent->browser(),
                    'platform' => $agent->platform(),
                    'created_at' => $item->created_at->format('c'),
                ];
            });

        return $this->json($activity);
    }

    /**
     * GET /api/v1.1/accounts/two-factor
     *
     * @return array
     */
    public function accountTwoFactor(Request $request)
    {
        abort_if(! $request->user() || ! $request->user()->token(), 403);
        abort_unless($request->user()->tokenCan('read'), 403);

        $user = $request->user();
        abort_if($user->status != null, 403);

        if (config('pixelfed.bouncer.cloud_ips.ban_signups')) {
            abort_if(BouncerService::checkIp($request->ip()), 404);
        }

        $res = [
            'active' => (bool) $user->{'2fa_enabled'},
            'setup_at' => $user->{'2fa_setup_at'},
        ];

        return $this->json($res);
    }

    /**
     * GET /api/v1.1/accounts/emails-from-pixelfed
     *
     * @return array
     */
    public function accountEmailsFromPixelfed(Request $request)
    {
        abort_if(! $request->user() || ! $request->user()->token(), 403);
        abort_unless($request->user()->tokenCan('read'), 403);

        $user = $request->user();
        abort_if($user->status != null, 403);
        if (config('pixelfed.bouncer.cloud_ips.ban_signups')) {
            abort_if(BouncerService::checkIp($request->ip()), 404);
        }
        $from = config('mail.from.address');

        $emailVerifications = EmailVerification::whereUserId($user->id)
            ->orderByDesc('id')
            ->where('created_at', '>', now()->subDays(14))
            ->limit(10)
            ->get()
            ->map(function ($mail) use ($user, $from) {
                return [
                    'type' => 'Email Verification',
                    'subject' => 'Confirm Email',
                    'to_address' => $user->email,
                    'from_address' => $from,
                    'created_at' => str_replace('@', 'at', $mail->created_at->format('M j, Y @ g:i:s A')),
                ];
            })
            ->toArray();

        $passwordResets = DB::table('password_resets')
            ->whereEmail($user->email)
            ->where('created_at', '>', now()->subDays(14))
            ->orderByDesc('created_at')
            ->limit(10)
            ->get()
            ->map(function ($mail) use ($user, $from) {
                return [
                    'type' => 'Password Reset',
                    'subject' => 'Reset Password Notification',
                    'to_address' => $user->email,
                    'from_address' => $from,
                    'created_at' => str_replace('@', 'at', now()->parse($mail->created_at)->format('M j, Y @ g:i:s A')),
                ];
            })
            ->toArray();

        $passwordChanges = AccountLog::whereUserId($user->id)
            ->whereAction('account.edit.password')
            ->where('created_at', '>', now()->subDays(14))
            ->orderByDesc('created_at')
            ->limit(10)
            ->get()
            ->map(function ($mail) use ($user, $from) {
                return [
                    'type' => 'Password Change',
                    'subject' => 'Password Change',
                    'to_address' => $user->email,
                    'from_address' => $from,
                    'created_at' => str_replace('@', 'at', now()->parse($mail->created_at)->format('M j, Y @ g:i:s A')),
                ];
            })
            ->toArray();

        $res = collect([])
            ->merge($emailVerifications)
            ->merge($passwordResets)
            ->merge($passwordChanges)
            ->sortByDesc('created_at')
            ->values();

        return $this->json($res);
    }

    /**
     * GET /api/v1.1/accounts/apps-and-applications
     *
     * @return array
     */
    public function accountApps(Request $request)
    {
        abort_if(! $request->user() || ! $request->user()->token(), 403);
        abort_unless($request->user()->tokenCan('read'), 403);

        $user = $request->user();
        abort_if($user->status != null, 403);

        if (config('pixelfed.bouncer.cloud_ips.ban_signups')) {
            abort_if(BouncerService::checkIp($request->ip()), 404);
        }

        $res = $user->tokens->sortByDesc('created_at')->take(10)->map(function ($token, $key) use ($request) {
            return [
                'id' => $token->id,
                'current_session' => $request->user()->token()->id == $token->id,
                'name' => $token->client->name,
                'scopes' => $token->scopes,
                'revoked' => $token->revoked,
                'created_at' => str_replace('@', 'at', now()->parse($token->created_at)->format('M j, Y @ g:i:s A')),
                'expires_at' => str_replace('@', 'at', now()->parse($token->expires_at)->format('M j, Y @ g:i:s A')),
            ];
        });

        return $this->json($res);
    }

    public function inAppRegistrationPreFlightCheck(Request $request)
    {
        return [
            'open' => (bool) config_cache('pixelfed.open_registration'),
            'iara' => (bool) config_cache('pixelfed.allow_app_registration'),
        ];
    }

    public function inAppRegistration(Request $request)
    {
        abort_if($request->user(), 404);
        abort_unless((bool) config_cache('pixelfed.open_registration'), 404);
        abort_unless((bool) config_cache('pixelfed.allow_app_registration'), 404);
        abort_unless($request->hasHeader('X-PIXELFED-APP'), 403);
        if (config('pixelfed.bouncer.cloud_ips.ban_signups')) {
            abort_if(BouncerService::checkIp($request->ip()), 404);
        }

        $rl = RateLimiter::attempt('pf:apiv1.1:iar:'.$request->ip(), config('pixelfed.app_registration_rate_limit_attempts', 3), function () {}, config('pixelfed.app_registration_rate_limit_decay', 1800));
        abort_if(! $rl, 400, 'Too many requests');

        $this->validate($request, [
            'email' => [
                'required',
                'string',
                'email',
                'max:255',
                'unique:users',
                function ($attribute, $value, $fail) {
                    $banned = EmailService::isBanned($value);
                    if ($banned) {
                        return $fail('Email is invalid.');
                    }
                },
            ],
            'username' => [
                'required',
                'min:2',
                'max:30',
                'unique:users',
                function ($attribute, $value, $fail) {
                    $dash = substr_count($value, '-');
                    $underscore = substr_count($value, '_');
                    $period = substr_count($value, '.');

                    if (ends_with($value, ['.php', '.js', '.css'])) {
                        return $fail('Username is invalid.');
                    }

                    if (($dash + $underscore + $period) > 1) {
                        return $fail('Username is invalid. Can only contain one dash (-), period (.) or underscore (_).');
                    }

                    if (! ctype_alnum($value[0])) {
                        return $fail('Username is invalid. Must start with a letter or number.');
                    }

                    if (! ctype_alnum($value[strlen($value) - 1])) {
                        return $fail('Username is invalid. Must end with a letter or number.');
                    }

                    $val = str_replace(['_', '.', '-'], '', $value);
                    if (! ctype_alnum($val)) {
                        return $fail('Username is invalid. Username must be alpha-numeric and may contain dashes (-), periods (.) and underscores (_).');
                    }

                    $restricted = RestrictedNames::get();
                    if (in_array(strtolower($value), array_map('strtolower', $restricted))) {
                        return $fail('Username cannot be used.');
                    }
                },
            ],
            'password' => 'required|string|min:8',
        ]);

        $email = $request->input('email');
        $username = $request->input('username');
        $password = $request->input('password');

        if (config('database.default') == 'pgsql') {
            $username = strtolower($username);
            $email = strtolower($email);
        }

        $user = new User;
        $user->name = $username;
        $user->username = $username;
        $user->email = $email;
        $user->password = Hash::make($password);
        $user->register_source = 'app';
        $user->app_register_ip = $request->ip();
        $user->app_register_token = Str::random(40);
        $user->save();

        $rtoken = Str::random(64);

        $verify = new EmailVerification;
        $verify->user_id = $user->id;
        $verify->email = $user->email;
        $verify->user_token = $user->app_register_token;
        $verify->random_token = $rtoken;
        $verify->save();

        $params = http_build_query([
            'ut' => $user->app_register_token,
            'rt' => $rtoken,
            'ea' => base64_encode($user->email),
        ]);
        $appUrl = url('/api/v1.1/auth/iarer?'.$params);

        Mail::to($user->email)->send(new ConfirmAppEmail($verify, $appUrl));

        return response()->json([
            'success' => true,
        ]);
    }

    public function inAppRegistrationEmailRedirect(Request $request)
    {
        $this->validate($request, [
            'ut' => 'required',
            'rt' => 'required',
            'ea' => 'required',
        ]);
        $ut = $request->input('ut');
        $rt = $request->input('rt');
        $ea = $request->input('ea');
        $params = http_build_query([
            'ut' => $ut,
            'rt' => $rt,
            'domain' => config('pixelfed.domain.app'),
            'ea' => $ea,
        ]);
        $url = 'pixelfed://confirm-account/'.$ut.'?'.$params;

        return redirect()->away($url);
    }

    public function inAppRegistrationConfirm(Request $request)
    {
        abort_if($request->user(), 404);
        abort_unless((bool) config_cache('pixelfed.open_registration'), 404);
        abort_unless((bool) config_cache('pixelfed.allow_app_registration'), 404);
        abort_unless($request->hasHeader('X-PIXELFED-APP'), 403);
        if (config('pixelfed.bouncer.cloud_ips.ban_signups')) {
            abort_if(BouncerService::checkIp($request->ip()), 404);
        }

        $request->validate([
            'user_token' => 'required',
            'random_token' => 'required',
            'email' => 'required',
        ]);

        $verify = EmailVerification::whereEmail($request->input('email'))
            ->whereUserToken($request->input('user_token'))
            ->whereRandomToken($request->input('random_token'))
            ->first();

        if (! $verify) {
            return response()->json(['error' => 'Invalid tokens'], 403);
        }

        if ($verify->created_at->lt(now()->subHours(24))) {
            $verify->delete();

            return response()->json(['error' => 'Invalid tokens'], 403);
        }

        $user = User::findOrFail($verify->user_id);
        $user->email_verified_at = now();
        $user->last_active_at = now();
        $user->save();

        $token = $user->createToken('Pixelfed', ['read', 'write', 'follow', 'push']);

        return response()->json([
            'access_token' => $token->accessToken,
        ]);
    }

    public function archive(Request $request, $id)
    {
        abort_if(! $request->user() || ! $request->user()->token(), 403);
        abort_unless($request->user()->tokenCan('write'), 403);

        if (config('pixelfed.bouncer.cloud_ips.ban_signups')) {
            abort_if(BouncerService::checkIp($request->ip()), 404);
        }

        $status = Status::whereNull('in_reply_to_id')
            ->whereNull('reblog_of_id')
            ->whereProfileId($request->user()->profile_id)
            ->findOrFail($id);

        if ($status->scope === 'archived') {
            return [200];
        }

        $archive = new StatusArchived;
        $archive->status_id = $status->id;
        $archive->profile_id = $status->profile_id;
        $archive->original_scope = $status->scope;
        $archive->save();

        $status->scope = 'archived';
        $status->visibility = 'draft';
        $status->save();
        StatusService::del($status->id, true);
        AccountService::syncPostCount($status->profile_id);

        return [200];
    }

    public function unarchive(Request $request, $id)
    {
        abort_if(! $request->user() || ! $request->user()->token(), 403);
        abort_unless($request->user()->tokenCan('write'), 403);

        if (config('pixelfed.bouncer.cloud_ips.ban_signups')) {
            abort_if(BouncerService::checkIp($request->ip()), 404);
        }

        $status = Status::whereNull('in_reply_to_id')
            ->whereNull('reblog_of_id')
            ->whereProfileId($request->user()->profile_id)
            ->findOrFail($id);

        if ($status->scope !== 'archived') {
            return [200];
        }

        $archive = StatusArchived::whereStatusId($status->id)
            ->whereProfileId($status->profile_id)
            ->firstOrFail();

        $status->scope = $archive->original_scope;
        $status->visibility = $archive->original_scope;
        $status->save();
        $archive->delete();
        StatusService::del($status->id, true);
        AccountService::syncPostCount($status->profile_id);

        return [200];
    }

    public function archivedPosts(Request $request)
    {
        abort_if(! $request->user() || ! $request->user()->token(), 403);
        abort_unless($request->user()->tokenCan('read'), 403);

        if (config('pixelfed.bouncer.cloud_ips.ban_signups')) {
            abort_if(BouncerService::checkIp($request->ip()), 404);
        }

        $statuses = Status::whereProfileId($request->user()->profile_id)
            ->whereScope('archived')
            ->orderByDesc('id')
            ->cursorPaginate(10);

        return StatusStateless::collection($statuses);
    }

    public function placesById(Request $request, $id, $slug)
    {
        abort_if(! $request->user() || ! $request->user()->token(), 403);
        abort_unless($request->user()->tokenCan('read'), 403);

        if (config('pixelfed.bouncer.cloud_ips.ban_signups')) {
            abort_if(BouncerService::checkIp($request->ip()), 404);
        }

        $place = Place::whereSlug($slug)->findOrFail($id);

        $posts = Cache::remember('pf-api:v1.1:places-by-id:'.$place->id, 3600, function () use ($place) {
            return Status::wherePlaceId($place->id)
                ->whereNull('uri')
                ->whereScope('public')
                ->orderByDesc('created_at')
                ->limit(60)
                ->pluck('id');
        });

        $posts = $posts->map(function ($id) {
            return StatusService::get($id);
        })
            ->filter()
            ->values();

        return [
            'place' => [
                'id' => $place->id,
                'name' => $place->name,
                'slug' => $place->slug,
                'country' => $place->country,
                'lat' => $place->lat,
                'long' => $place->long,
            ],
            'posts' => $posts];
    }

    public function moderatePost(Request $request, $id)
    {
        abort_if(! $request->user() || ! $request->user()->token(), 403);
        abort_if($request->user()->is_admin != true, 403);
        abort_unless($request->user()->tokenCan('admin:write'), 403);

        if (config('pixelfed.bouncer.cloud_ips.ban_signups')) {
            abort_if(BouncerService::checkIp($request->ip()), 404);
        }

        $this->validate($request, [
            'action' => 'required|in:cw,mark-public,mark-unlisted,mark-private,mark-spammer,delete',
        ]);

        $action = $request->input('action');
        $status = Status::find($id);

        if (! $status) {
            return response()->json(['error' => 'Cannot find status'], 400);
        }

        if ($status->uri == null) {
            if ($status->profile->user && $status->profile->user->is_admin) {
                return response()->json(['error' => 'Cannot moderate admin accounts'], 400);
            }
        }

        if ($action == 'mark-spammer') {
            $status->profile->update([
                'unlisted' => true,
                'cw' => true,
                'no_autolink' => true,
            ]);

            Status::whereProfileId($status->profile_id)
                ->get()
                ->each(function ($s) {
                    if (in_array($s->scope, ['public', 'unlisted'])) {
                        $s->scope = 'private';
                        $s->visibility = 'private';
                    }
                    $s->is_nsfw = true;
                    $s->save();
                    StatusService::del($s->id, true);
                });

            Cache::forget('pf:bouncer_v0:exemption_by_pid:'.$status->profile_id);
            Cache::forget('pf:bouncer_v0:recent_by_pid:'.$status->profile_id);
            Cache::forget('admin-dash:reports:spam-count');
        } elseif ($action == 'cw') {
            $state = $status->is_nsfw;
            $status->is_nsfw = ! $state;
            $status->save();
            StatusService::del($status->id);
        } elseif ($action == 'mark-public') {
            $state = $status->scope;
            $status->scope = 'public';
            $status->visibility = 'public';
            $status->save();
            StatusService::del($status->id, true);
            if ($state !== 'public') {
                if ($status->uri) {
                    if ($status->in_reply_to_id == null && $status->reblog_of_id == null) {
                        NetworkTimelineService::add($status->id);
                    }
                } else {
                    if ($status->in_reply_to_id == null && $status->reblog_of_id == null) {
                        PublicTimelineService::add($status->id);
                    }
                }
            }
        } elseif ($action == 'mark-unlisted') {
            $state = $status->scope;
            $status->scope = 'unlisted';
            $status->visibility = 'unlisted';
            $status->save();
            StatusService::del($status->id);
            if ($state == 'public') {
                PublicTimelineService::del($status->id);
                NetworkTimelineService::del($status->id);
            }
        } elseif ($action == 'mark-private') {
            $state = $status->scope;
            $status->scope = 'private';
            $status->visibility = 'private';
            $status->save();
            StatusService::del($status->id);
            if ($state == 'public') {
                PublicTimelineService::del($status->id);
                NetworkTimelineService::del($status->id);
            }
        } elseif ($action == 'delete') {
            PublicTimelineService::del($status->id);
            NetworkTimelineService::del($status->id);
            Cache::forget('_api:statuses:recent_9:'.$status->profile_id);
            Cache::forget('profile:status_count:'.$status->profile_id);
            Cache::forget('profile:embed:'.$status->profile_id);
            StatusService::del($status->id, true);
            Cache::forget('profile:status_count:'.$status->profile_id);
            $status->uri ? RemoteStatusDelete::dispatch($status) : StatusDelete::dispatch($status);

            return [];
        }

        Cache::forget('_api:statuses:recent_9:'.$status->profile_id);

        return StatusService::get($status->id, false);
    }

    public function getWebSettings(Request $request)
    {
        abort_if(! $request->user() || ! $request->user()->token(), 403);
        abort_unless($request->user()->tokenCan('read'), 403);

        $uid = $request->user()->id;
        $settings = UserSetting::firstOrCreate([
            'user_id' => $uid,
        ]);
        if (! $settings->other) {
            return [];
        }

        return $settings->other;
    }

    public function setWebSettings(Request $request)
    {
        abort_if(! $request->user() || ! $request->user()->token(), 403);
        abort_unless($request->user()->tokenCan('write'), 403);

        $this->validate($request, [
            'field' => 'required|in:enable_reblogs,hide_reblog_banner',
            'value' => 'required',
        ]);
        $field = $request->input('field');
        $value = $request->input('value');
        $settings = UserSetting::firstOrCreate([
            'user_id' => $request->user()->id,
        ]);
        if (! $settings->other) {
            $other = [];
        } else {
            $other = $settings->other;
        }
        $other[$field] = $value;
        $settings->other = $other;
        $settings->save();

        return [200];
    }

    public function getMutualAccounts(Request $request, $id)
    {
        abort_if(! $request->user() || ! $request->user()->token(), 403);
        abort_unless($request->user()->tokenCan('follow'), 403);

        $account = AccountService::get($id, true);
        if (! $account || ! isset($account['id'])) {
            return [];
        }
        $res = collect(FollowerService::mutualAccounts($request->user()->profile_id, $id))
            ->map(function ($accountId) {
                return AccountService::get($accountId, true);
            })
            ->filter()
            ->take(24)
            ->values();

        return $this->json($res);
    }

    public function accountUsernameToId(Request $request, $username)
    {
        abort_if(! $request->user() || ! $request->user()->token() || ! $username, 403);
        abort_unless($request->user()->tokenCan('read'), 403);
        $username = trim($username);
        $rateLimiting = (bool) config_cache('api.rate-limits.v1Dot1.accounts.usernameToId.enabled');
        $ipRateLimiting = (bool) config_cache('api.rate-limits.v1Dot1.accounts.usernameToId.ip_enabled');
        if ($ipRateLimiting) {
            $userLimit = (int) config_cache('api.rate-limits.v1Dot1.accounts.usernameToId.ip_limit');
            $userDecay = (int) config_cache('api.rate-limits.v1Dot1.accounts.usernameToId.ip_decay');
            $userKey = 'pf:apiv1.1:acctU2ID:byIp:'.$request->ip();

            if (RateLimiter::tooManyAttempts($userKey, $userLimit)) {
                $limits = [
                    'X-Rate-Limit-Limit' => $userLimit,
                    'X-Rate-Limit-Remaining' => RateLimiter::remaining($userKey, $userLimit),
                    'X-Rate-Limit-Reset' => RateLimiter::availableIn($userKey),
                ];

                return $this->json(['error' => 'Too many attempts!'], 429, $limits);
            }

            RateLimiter::increment($userKey, $userDecay);
            $limits = [
                'X-Rate-Limit-Limit' => $userLimit,
                'X-Rate-Limit-Remaining' => RateLimiter::remaining($userKey, $userLimit),
                'X-Rate-Limit-Reset' => RateLimiter::availableIn($userKey),
            ];
        }
        if ($rateLimiting) {
            $userLimit = (int) config_cache('api.rate-limits.v1Dot1.accounts.usernameToId.limit');
            $userDecay = (int) config_cache('api.rate-limits.v1Dot1.accounts.usernameToId.decay');
            $userKey = 'pf:apiv1.1:acctU2ID:byUid:'.$request->user()->id;

            if (RateLimiter::tooManyAttempts($userKey, $userLimit)) {
                $limits = [
                    'X-Rate-Limit-Limit' => $userLimit,
                    'X-Rate-Limit-Remaining' => RateLimiter::remaining($userKey, $userLimit),
                    'X-Rate-Limit-Reset' => RateLimiter::availableIn($userKey),
                ];

                return $this->json(['error' => 'Too many attempts!'], 429, $limits);
            }

            RateLimiter::increment($userKey, $userDecay);
            $limits = [
                'X-Rate-Limit-Limit' => $userLimit,
                'X-Rate-Limit-Remaining' => RateLimiter::remaining($userKey, $userLimit),
                'X-Rate-Limit-Reset' => RateLimiter::availableIn($userKey),
            ];
        }
        if (str_ends_with($username, config_cache('pixelfed.domain.app'))) {
            $pre = str_starts_with($username, '@') ? substr($username, 1) : $username;
            $parts = explode('@', $pre);
            $username = $parts[0];
        }
        $accountId = AccountService::usernameToId($username, true);
        if (! $accountId) {
            return [];
        }
        $account = AccountService::get($accountId);

        return $this->json($account, 200, $rateLimiting ? $limits : []);
    }

    public function getPushState(Request $request)
    {
        abort_unless($request->hasHeader('X-PIXELFED-APP'), 404, 'Not found');
        abort_if(! $request->user() || ! $request->user()->token(), 403);
        abort_unless($request->user()->tokenCan('push'), 403);
        abort_unless(NotificationAppGatewayService::enabled(), 404, 'Push notifications are not supported on this server.');
        $user = $request->user();
        abort_if($user->status, 422, 'Cannot access this resource at this time');
        $res = [
            'version' => PushNotificationService::PUSH_GATEWAY_VERSION,
            'username' => (string) $user->username,
            'profile_id' => (string) $user->profile_id,
            'notify_enabled' => (bool) $user->notify_enabled,
            'has_token' => (bool) $user->expo_token,
            'notify_like' => (bool) $user->notify_like,
            'notify_follow' => (bool) $user->notify_follow,
            'notify_mention' => (bool) $user->notify_mention,
            'notify_comment' => (bool) $user->notify_comment,
        ];

        return $this->json($res);
    }

    public function disablePush(Request $request)
    {
        abort_unless($request->hasHeader('X-PIXELFED-APP'), 404, 'Not found');
        abort_if(! $request->user() || ! $request->user()->token(), 403);
        abort_unless($request->user()->tokenCan('push'), 403);
        abort_unless(NotificationAppGatewayService::enabled(), 404, 'Push notifications are not supported on this server.');
        abort_if($request->user()->status, 422, 'Cannot access this resource at this time');

        $request->user()->update([
            'notify_enabled' => false,
            'expo_token' => null,
            'notify_like' => false,
            'notify_follow' => false,
            'notify_mention' => false,
            'notify_comment' => false,
        ]);

        $user = $request->user();

        return $this->json([
            'version' => PushNotificationService::PUSH_GATEWAY_VERSION,
            'username' => (string) $user->username,
            'profile_id' => (string) $user->profile_id,
            'notify_enabled' => (bool) $user->notify_enabled,
            'has_token' => (bool) $user->expo_token,
            'notify_like' => (bool) $user->notify_like,
            'notify_follow' => (bool) $user->notify_follow,
            'notify_mention' => (bool) $user->notify_mention,
            'notify_comment' => (bool) $user->notify_comment,
        ]);
    }

    public function comparePush(Request $request)
    {
        abort_unless($request->hasHeader('X-PIXELFED-APP'), 404, 'Not found');
        abort_if(! $request->user() || ! $request->user()->token(), 403);
        abort_unless($request->user()->tokenCan('push'), 403);
        abort_unless(NotificationAppGatewayService::enabled(), 404, 'Push notifications are not supported on this server.');
        abort_if($request->user()->status, 422, 'Cannot access this resource at this time');

        $this->validate($request, [
            'expo_token' => ['required', 'string', new ExpoPushTokenRule],
        ]);

        $user = $request->user();

        if (empty($user->expo_token)) {
            return $this->json([
                'version' => PushNotificationService::PUSH_GATEWAY_VERSION,
                'username' => (string) $user->username,
                'profile_id' => (string) $user->profile_id,
                'notify_enabled' => (bool) $user->notify_enabled,
                'match' => false,
                'has_existing' => false,
            ]);
        }

        $token = $request->input('expo_token');
        $knownToken = $user->expo_token;
        $match = hash_equals($knownToken, $token);

        return $this->json([
            'version' => PushNotificationService::PUSH_GATEWAY_VERSION,
            'username' => (string) $user->username,
            'profile_id' => (string) $user->profile_id,
            'notify_enabled' => (bool) $user->notify_enabled,
            'match' => $match,
            'has_existing' => true,
        ]);
    }

    public function updatePush(Request $request)
    {
        abort_unless($request->hasHeader('X-PIXELFED-APP'), 404, 'Not found');
        abort_if(! $request->user() || ! $request->user()->token(), 403);
        abort_unless($request->user()->tokenCan('push'), 403);
        abort_unless(NotificationAppGatewayService::enabled(), 404, 'Push notifications are not supported on this server.');
        abort_if($request->user()->status, 422, 'Cannot access this resource at this time');

        $this->validate($request, [
            'notify_enabled' => 'required',
            'token' => ['required', 'string', new ExpoPushTokenRule],
            'notify_like' => 'sometimes',
            'notify_follow' => 'sometimes',
            'notify_mention' => 'sometimes',
            'notify_comment' => 'sometimes',
        ]);

        $pid = $request->user()->profile_id;
        abort_if(! $pid, 422, 'An error occured');
        $expoToken = $request->input('token');

        $existing = User::where('profile_id', '!=', $pid)->whereExpoToken($expoToken)->count();
        abort_if($existing && $existing > 5, 400, 'Push token is already used by another account');

        $request->user()->update([
            'notify_enabled' => $request->boolean('notify_enabled'),
            'expo_token' => $expoToken,
        ]);

        if ($request->filled('notify_like')) {
            $request->user()->update(['notify_like' => (bool) $request->boolean('notify_like')]);
        }
        if ($request->filled('notify_follow')) {
            $request->user()->update(['notify_follow' => (bool) $request->boolean('notify_follow')]);
        }
        if ($request->filled('notify_mention')) {
            $request->user()->update(['notify_mention' => (bool) $request->boolean('notify_mention')]);
        }
        if ($request->filled('notify_comment')) {
            $request->user()->update(['notify_comment' => (bool) $request->boolean('notify_comment')]);
        }

        $user = $request->user();

        $res = [
            'version' => PushNotificationService::PUSH_GATEWAY_VERSION,
            'notify_enabled' => (bool) $user->notify_enabled,
            'has_token' => (bool) $user->expo_token,
            'notify_like' => (bool) $user->notify_like,
            'notify_follow' => (bool) $user->notify_follow,
            'notify_mention' => (bool) $user->notify_mention,
            'notify_comment' => (bool) $user->notify_comment,
        ];

        return $this->json($res);
    }

    /**
     * POST /api/v1.1/status/create
     *
     *
     * @return StatusTransformer
     */
    public function statusCreate(Request $request)
    {
        abort_if(! $request->user() || ! $request->user()->token(), 403);
        abort_unless($request->user()->tokenCan('write'), 403);

        $this->validate($request, [
            'status' => 'nullable|string|max:'.(int) config_cache('pixelfed.max_caption_length'),
            'file' => [
                'required',
                'file',
                'mimetypes:'.config_cache('pixelfed.media_types'),
                'max:'.config_cache('pixelfed.max_photo_size'),
                function ($attribute, $value, $fail) {
                    if (is_array($value) && count($value) > 1) {
                        $fail('Only one file can be uploaded at a time.');
                    }
                },
            ],
            'sensitive' => 'nullable',
            'visibility' => 'string|in:private,unlisted,public',
            'spoiler_text' => 'sometimes|max:140',
        ]);

        if ($request->hasHeader('idempotency-key')) {
            $key = 'pf:api:v1:status:idempotency-key:'.$request->user()->id.':'.hash('sha1', $request->header('idempotency-key'));
            $exists = Cache::has($key);
            abort_if($exists, 400, 'Duplicate idempotency key.');
            Cache::put($key, 1, 3600);
        }

        if (config('costar.enabled') == true) {
            $blockedKeywords = config('costar.keyword.block');
            if ($blockedKeywords !== null && $request->status) {
                $keywords = config('costar.keyword.block');
                foreach ($keywords as $kw) {
                    if (Str::contains($request->status, $kw) == true) {
                        abort(400, 'Invalid object. Contains banned keyword.');
                    }
                }
            }
        }
        $user = $request->user();

        if ($user->has_roles) {
            abort_if(! UserRoleService::can('can-post', $user->id), 403, 'Invalid permissions for this action');
        }

        $profile = $user->profile;

        $limitKey = 'compose:rate-limit:media-upload:'.$user->id;
        $photo = $request->file('file');
        $fileSize = $photo->getSize();
        $sizeInKbs = (int) ceil($fileSize / 1000);
        $accountSize = UserStorageService::get($user->id);
        abort_if($accountSize === -1, 403, 'Invalid request.');
        $updatedAccountSize = (int) $accountSize + (int) $sizeInKbs;

        if ((bool) config_cache('pixelfed.enforce_account_limit') == true) {
            $limit = (int) config_cache('pixelfed.max_account_size');
            if ($updatedAccountSize >= $limit) {
                abort(403, 'Account size limit reached.');
            }
        }

        $mimes = explode(',', config_cache('pixelfed.media_types'));
        if (in_array($photo->getMimeType(), $mimes) == false) {
            abort(403, 'Invalid or unsupported mime type.');
        }

        if ($user->last_active_at == null) {
            return [];
        }

        $hash = \hash_file('sha256', $photo->getRealPath());
        abort_if(MediaBlocklistService::exists($hash) == true, 451);

        $storagePath = MediaPathService::get($user, 2);
        $path = $photo->storePublicly($storagePath);
        $license = null;
        $mime = $photo->getMimeType();

        $settings = UserSetting::whereUserId($user->id)->first();

        if ($settings && ! empty($settings->compose_settings)) {
            $compose = $settings->compose_settings;

            if (isset($compose['default_license']) && $compose['default_license'] != 1) {
                $license = $compose['default_license'];
            }
        }

        $visibility = $profile->is_private ? 'private' : (
            $profile->unlisted == true &&
            $request->input('visibility', 'public') == 'public' ?
            'unlisted' :
            $request->input('visibility', 'public'));
        $defaultCaption = '';
        $cleanedStatus = app(SanitizeService::class)->html($request->input('status', ''));
        $content = $request->filled('status') ? strip_tags($cleanedStatus) : $defaultCaption;
        $cw = $user->profile->cw == true ? true : $request->boolean('sensitive', false);
        $spoilerText = $cw && $request->filled('spoiler_text') ? $request->input('spoiler_text') : null;

        $status = new Status;
        $status->caption = $content;
        $status->rendered = $defaultCaption;
        $status->profile_id = $user->profile_id;
        $status->is_nsfw = $cw;
        $status->cw_summary = $spoilerText;
        $status->scope = $visibility;
        $status->visibility = $visibility;
        $status->type = StatusController::mimeTypeCheck([$mime]);
        $status->save();

        if (! $status) {
            abort(500, 'An error occured.');
        }

        $media = new Media;
        $media->status_id = $status->id;
        $media->profile_id = $profile->id;
        $media->user_id = $user->id;
        $media->media_path = $path;
        $media->original_sha256 = $hash;
        $media->size = $photo->getSize();
        $media->mime = $mime;
        $media->order = 1;
        $media->caption = $request->input('description');
        if ($license) {
            $media->license = $license;
        }
        $media->save();

        switch ($media->mime) {
            case 'image/jpg':
            case 'image/jpeg':
            case 'image/png':
            case 'image/webp':
            case 'image/heic':
            case 'image/avif':
                ImageOptimize::dispatch($media)->onQueue('mmo');
                break;

            case 'video/mp4':
                VideoThumbnail::dispatch($media)->onQueue('mmo');
                $preview_url = '/storage/no-preview.png';
                $url = '/storage/no-preview.png';
                break;
        }

        $user->storage_used = (int) $updatedAccountSize;
        $user->storage_used_updated_at = now();
        $user->save();

        NewStatusPipeline::dispatch($status);

        Cache::forget('user:account:id:'.$user->id);
        Cache::forget('_api:statuses:recent_9:'.$user->profile_id);
        Cache::forget('profile:status_count:'.$user->profile_id);
        Cache::forget($user->storageUsedKey());
        Cache::forget('profile:embed:'.$status->profile_id);
        Cache::forget($limitKey);

        $res = StatusService::getMastodon($status->id, false);
        $res['favourited'] = false;
        $res['language'] = 'en';
        $res['bookmarked'] = false;
        $res['card'] = null;

        return $this->json($res);
    }

    public function nagState(Request $request)
    {
        abort_unless((bool) config_cache('pixelfed.oauth_enabled'), 404);

        return [
            'active' => NotificationAppGatewayService::enabled(),
        ];
    }
}
