<?php

namespace app\api\controller;

use app\common\service\ai\AiService;
use app\common\model\match\MatchEvent;
use app\common\model\match\MatchHistory;
use app\common\model\match\MatchRecent;
use app\common\model\article\Article;
use app\common\enum\YesNoEnum;
use app\common\model\ai\AiUnlock;

class AiController extends BaseApiController
{
    public array $notNeedLogin = ['matchPredict', 'articleAnalysis'];

    /**
     * 赛事AI预测
     */
    public function matchPredict()
    {
        $matchId = $this->request->get('match_id/d');
        if (empty($matchId)) {
            return $this->fail('参数缺失');
        }

        $cacheKey = 'ai_match_predict_' . $matchId;
        $cached = cache($cacheKey);
        if ($cached) {
            $cached['from_cache'] = true;
            return $this->data($cached);
        }

        $match = MatchEvent::where('id', $matchId)->where('is_show', 1)->findOrEmpty();
        if ($match->isEmpty()) {
            return $this->fail('赛事不存在');
        }
        $data = $match->toArray();

        $homeTeam = $data['home_team'];
        $awayTeam = $data['away_team'];

        // 组装分析数据
        $matchData = [
            'match_info' => [
                'home_team' => $homeTeam,
                'away_team' => $awayTeam,
                'league' => $data['league_name'] ?? '',
                'match_time' => date('Y-m-d H:i', $data['match_time'] ?? time()),
                'status' => $data['status'] ?? 0,
            ],
            'head_to_head' => MatchHistory::where(function ($query) use ($homeTeam, $awayTeam) {
                $query->where([['home_team', '=', $homeTeam], ['away_team', '=', $awayTeam]])
                    ->whereOr([['home_team', '=', $awayTeam], ['away_team', '=', $homeTeam]]);
            })->order('match_time desc')->limit(5)->select()->toArray(),
            'home_recent' => MatchRecent::where('team_name', $homeTeam)
                ->order('match_time desc')->limit(5)->select()->toArray(),
            'away_recent' => MatchRecent::where('team_name', $awayTeam)
                ->order('match_time desc')->limit(5)->select()->toArray(),
        ];

        $result = AiService::predictMatch($matchId, $matchData, $this->userId);
        if (!$result['success']) {
            return $this->fail($result['error'] ?? 'AI分析失败');
        }

        $responseData = [
            'analysis' => $result['data'],
            'from_cache' => false,
            'match_info' => $matchData['match_info'],
        ];

        cache($cacheKey, $responseData, 6 * 3600);

        return $this->data($responseData);
    }

    /**
     * 赛事AI预测 - 分段请求
     */
    public function matchPredictSection()
    {
        $matchId = $this->request->get('match_id/d');
        $section = $this->request->get('section/s', '');
        if (empty($matchId) || empty($section)) {
            return $this->fail('参数缺失');
        }

        if (!$this->userId) {
            return $this->fail('请先登录', [], 0, 401);
        }

        // 解锁检查：只有本人解锁过的才免费，其他人的缓存不算
        $isUnlocked = AiUnlock::isUnlocked($this->userId, $matchId);
        if (!$isUnlocked) {
            if ($section === 'prediction') {
                $unlockResult = AiUnlock::unlock($this->userId, $matchId);
                if (!$unlockResult['ok']) {
                    return $this->fail($unlockResult['msg']);
                }
            } else {
                return $this->fail('请先解锁该赛事分析');
            }
        }

        $match = MatchEvent::where('id', $matchId)->where('is_show', 1)->findOrEmpty();
        if ($match->isEmpty()) {
            return $this->fail('赛事不存在');
        }
        $data = $match->toArray();

        $homeTeam = $data['home_team'];
        $awayTeam = $data['away_team'];

        $matchData = [
            'match_info' => [
                'home_team' => $homeTeam,
                'away_team' => $awayTeam,
                'league' => $data['league_name'] ?? '',
                'match_time' => date('Y-m-d H:i', $data['match_time'] ?? time()),
                'status' => $data['status'] ?? 0,
                'home_score' => $data['home_score'] ?? 0,
                'away_score' => $data['away_score'] ?? 0,
                'home_odds' => $data['home_odds'] ?? 0,
                'draw_odds' => $data['draw_odds'] ?? 0,
                'away_odds' => $data['away_odds'] ?? 0,
            ],
            'head_to_head' => MatchHistory::where(function ($query) use ($homeTeam, $awayTeam) {
                $query->where([['home_team', '=', $homeTeam], ['away_team', '=', $awayTeam]])
                    ->whereOr([['home_team', '=', $awayTeam], ['away_team', '=', $homeTeam]]);
            })->order('match_time desc')->limit(5)->select()->toArray(),
            'home_recent' => MatchRecent::where('team_name', $homeTeam)
                ->order('match_time desc')->limit(5)->select()->toArray(),
            'away_recent' => MatchRecent::where('team_name', $awayTeam)
                ->order('match_time desc')->limit(5)->select()->toArray(),
        ];

        $result = AiService::predictMatchSection($matchId, $section, $matchData, $this->userId);
        if (!$result['success']) {
            return $this->fail($result['error'] ?? 'AI分析失败');
        }

        return $this->data([
            'section' => $section,
            'data' => $result['data'],
            'from_cache' => $result['from_cache'] ?? false,
            'match_info' => $matchData['match_info'],
            'remain_count' => AiUnlock::getRemainCount($this->userId),
        ]);
    }

    /**
     * 资讯AI分析
     */
    public function articleAnalysis()
    {
        $articleId = $this->request->get('article_id/d');
        if (empty($articleId)) {
            return $this->fail('参数缺失');
        }

        $article = Article::where(['id' => $articleId, 'is_show' => YesNoEnum::YES])->findOrEmpty();
        if ($article->isEmpty()) {
            return $this->fail('文章不存在');
        }

        $articleData = $article->toArray();
        $result = AiService::analyzeArticle($articleId, $articleData, $this->userId);
        if (!$result['success']) {
            return $this->fail($result['error'] ?? 'AI分析失败');
        }
        return $this->data([
            'analysis' => $result['data'],
            'from_cache' => $result['from_cache'] ?? false,
        ]);
    }

    /**
     * 用户可信度分析
     */
    public function userCredibility()
    {
        $targetUserId = $this->request->get('user_id/d');
        if (empty($targetUserId)) {
            return $this->fail('参数缺失');
        }

        // 组装用户数据（简化版，后续可扩展）
        $userData = [
            'user_id' => $targetUserId,
            'register_days' => 30,
            'post_count' => 0,
            'comment_count' => 0,
            'like_received' => 0,
        ];

        $result = AiService::analyzeCredibility($targetUserId, $userData, $this->userId);
        if (!$result['success']) {
            return $this->fail($result['error'] ?? 'AI分析失败');
        }
        return $this->data([
            'analysis' => $result['data'],
            'from_cache' => $result['from_cache'] ?? false,
        ]);
    }

    /**
     * 彩票概率分析
     */
    public function lotteryAnalysis()
    {
        $type = $this->request->get('type', 'ssq');

        // 简化版彩票数据
        $lotteryData = [
            'lottery_type' => $type,
            'recent_draws' => [],
            'description' => $type === 'ssq' ? '双色球' : '大乐透',
        ];

        $result = AiService::analyzeLottery($lotteryData, $this->userId);
        if (!$result['success']) {
            return $this->fail($result['error'] ?? 'AI分析失败');
        }
        return $this->data([
            'analysis' => $result['data'],
            'from_cache' => $result['from_cache'] ?? false,
        ]);
    }

    /**
     * 查询比赛解锁状态
     */
    public function checkUnlock()
    {
        $matchId = $this->request->get('match_id/d');
        if (empty($matchId)) {
            return $this->fail('参数缺失');
        }
        $unlocked = $this->userId ? AiUnlock::isUnlocked($this->userId, $matchId) : false;
        $remain = $this->userId ? AiUnlock::getRemainCount($this->userId) : 0;
        return $this->data([
            'unlocked' => $unlocked,
            'remain_count' => $remain,
        ]);
    }
}