<?php

namespace App\Services;

use App\Profile;
use Illuminate\Support\Facades\Redis;

class SuggestionService
{
    const CACHE_KEY = 'pf:services:suggestion:ids';

    public static function get($start = 0, $stop = -1)
    {
        if (self::count() == 0) {
            self::warmCache(true);
            // return self::get();
        }

        return Redis::zrange(self::CACHE_KEY, $start, $stop);
    }

    public static function set($val)
    {
        return Redis::zadd(self::CACHE_KEY, 1, $val);
    }

    public static function del($val)
    {
        return Redis::zrem(self::CACHE_KEY, $val);
    }

    public static function add($val)
    {
        return self::set($val);
    }

    public static function rem($val)
    {
        return self::del($val);
    }

    public static function count()
    {
        return Redis::zcount(self::CACHE_KEY, '-inf', '+inf');
    }

    public static function warmCache($force = false)
    {
        if (self::count() == 0 || $force == true) {
            $ids = Profile::whereNull('domain')
                // ->whereIsSuggestable(true)
                ->whereIsPrivate(false)
                ->whereHas('statuses')
                ->pluck('id');
            foreach ($ids as $id) {
                self::set($id);
            }

            return 1;
        }

        return 0;
    }
}
