<?php

namespace Modules\Manage\Controllers;

use App\Repositories\AdRepository;
use App\Repositories\OriginalRepository;
use App\Repositories\ShopsRepository;
use App\Repositories\Utils\M3u8CacheRepository;
use App\Repositories\VideoRepository;
use Hyperf\HttpServer\Request;

class M3u8Controller extends BaseController
{
    /**
     * 获取raw
     * @param Request $request
     * @param VideoRepository $videoRepository
     * @return \Psr\Http\Message\ResponseInterface
     */
    public function raw(Request $request, VideoRepository $videoRepository, AdRepository $adRepository, OriginalRepository $goodsRepository, ShopsRepository $shopsRepository)
    {
        $innerToken = 'vj2x2fgvc';  // 不走中间件，定义个内部简单通信token
        $token = $request->input('tk', '');
        if ($token != $innerToken) {
            return self::responseM3u8Raw('');
        }
        $module = trim(strtolower($request->input('module', '')));
        $pk = substr($request->input('pk', ''), 0, 16);
        $rateType = substr($request->input('rate_type', ''), 0, 32);   // 指定的比特率.

        $item = null;
        $m3u8PlayUrl = '';

        switch ($module) {
            case 'video':
                $item = $videoRepository->findBy('id', $pk, ['id', 'mu']);
                if (!empty($item->mu)) {
                    $m3u8PlayUrl = $item->mu;
                }
                break;
            case 'ad':
                $item = $adRepository->findBy('id', $pk, ['id', 'play']);
                if (!empty($item->play)) {
                    $m3u8PlayUrl = $item->play;
                }
                break;
            case 'shop':
                $item = $shopsRepository->findBy('uid', $pk, ['video_address']);
                if (!empty($item->video_address)) {
                    $m3u8PlayUrl = $item->video_address;
                }
                break;
            case 'goods':
                $item = $goodsRepository->findBy('uid', $pk, ['video_address']);
                if (!empty($item->video_address)) {
                    $m3u8PlayUrl = $item->video_address;
                }
                break;
        }
        if (empty($m3u8PlayUrl)) {
            return self::responseM3u8Raw('');
        }
        $raw = M3u8CacheRepository::getMu38Raw($m3u8PlayUrl, false);

        return self::responseM3u8Raw($raw);
    }

    /**
     * @return string[]
     */
    private function getHeaders()
    {
        return [
            'Content-Type' => 'application/x-mpegURL',
        ];
    }

    /**
     * 返回raw
     * @param $raw
     * @return \Psr\Http\Message\ResponseInterface
     */
    private function responseM3u8Raw($raw)
    {
        return response($raw, 200, self::getHeaders());
    }
}