<?php

namespace app\common\service\match;

use app\common\model\match\MatchEvent;
use app\common\model\match\MatchLive;

class MatchLiveService
{
    public static function syncLegacyLiveUrl(int $matchId): void
    {
        $row = MatchLive::where('match_id', $matchId)
            ->whereNull('delete_time')
            ->order('create_time', 'asc')
            ->order('id', 'asc')
            ->find();

        MatchEvent::where('id', $matchId)->update([
            'live_url' => $row ? (string) $row->source_url : '',
            'update_time' => time(),
        ]);
    }

    public static function getLiveListForApi(int $matchId): array
    {
        $liveMap = self::getLiveMapForApi([$matchId]);

        return $liveMap[$matchId] ?? [];
    }

    public static function getLiveMapForApi(array $matchIds): array
    {
        $matchIds = array_values(array_unique(array_filter(array_map('intval', $matchIds))));
        if (empty($matchIds)) {
            return [];
        }

        $rows = MatchLive::whereIn('match_id', $matchIds)
            ->whereNull('delete_time')
            ->order('create_time', 'asc')
            ->order('id', 'asc')
            ->select()
            ->toArray();

        $result = [];
        foreach ($rows as &$row) {
            $row['stream_options'] = self::buildStreamOptions($row);
            $row['default_play_url'] = self::resolveDefaultPlayUrl($row);
            $matchId = (int) ($row['match_id'] ?? 0);
            if ($matchId <= 0) {
                continue;
            }
            $result[$matchId][] = $row;
        }
        unset($row);

        return $result;
    }

    public static function buildStreamOptions(array $row): array
    {
        $definitions = [
            ['label' => 'M3U8', 'field' => 'play_url_m3u8'],
            ['label' => 'HD M3U8', 'field' => 'play_url_hd_m3u8'],
            ['label' => 'FLV', 'field' => 'play_url_flv'],
            ['label' => 'HD FLV', 'field' => 'play_url_hd_flv'],
        ];

        $options = [];
        foreach ($definitions as $definition) {
            $url = trim((string) ($row[$definition['field']] ?? ''));
            if ($url === '') {
                continue;
            }
            $options[] = [
                'label' => $definition['label'],
                'url' => $url,
            ];
        }

        return $options;
    }

    protected static function resolveDefaultPlayUrl(array $row): string
    {
        if (!empty($row['stream_options'][0]['url'])) {
            return trim((string) $row['stream_options'][0]['url']);
        }

        foreach (['play_url_m3u8', 'play_url_hd_m3u8', 'play_url_flv', 'play_url_hd_flv'] as $field) {
            $url = trim((string) ($row[$field] ?? ''));
            if ($url !== '') {
                return $url;
            }
        }

        return '';
    }
}