<?php

namespace App\Controllers\Api;

use Psr\Http\Message\ResponseInterface as Response;
use Psr\Http\Message\ServerRequestInterface as Request;
use App\Controllers\Api\ApiController;

class DashboardController extends ApiController
{
    private \PDO $pdo;

    public function __construct(\PDO $pdo)
    {
        $this->pdo = $pdo;
    }

    /**
     * Get dashboard statistics
     */
    public function getStats(Request $request, Response $response): Response
    {
        try {
            $stats = [];

            // Get movies count
            $stmt = $this->pdo->prepare("SELECT COUNT(*) as count FROM movies");
            $stmt->execute();
            $moviesCount = $stmt->fetch(\PDO::FETCH_ASSOC)['count'];
            $stats[] = [
                'name' => 'Total Movies',
                'value' => number_format($moviesCount),
                'icon' => 'FilmIcon',
                'color' => 'bg-blue-500',
                'href' => '/movies'
            ];

            // Get TV shows count
            $stmt = $this->pdo->prepare("SELECT COUNT(*) as count FROM tv_shows");
            $stmt->execute();
            $tvShowsCount = $stmt->fetch(\PDO::FETCH_ASSOC)['count'];
            $stats[] = [
                'name' => 'TV Shows',
                'value' => number_format($tvShowsCount),
                'icon' => 'TvIcon',
                'color' => 'bg-purple-500',
                'href' => '/tvshows'
            ];

            // Get games count
            $stmt = $this->pdo->prepare("SELECT COUNT(*) as count FROM games");
            $stmt->execute();
            $gamesCount = $stmt->fetch(\PDO::FETCH_ASSOC)['count'];
            $stats[] = [
                'name' => 'Games',
                'value' => number_format($gamesCount),
                'icon' => 'GamepadIcon',
                'color' => 'bg-green-500',
                'href' => '/games'
            ];

            // Get music albums count
            $stmt = $this->pdo->prepare("SELECT COUNT(*) as count FROM music_albums");
            $stmt->execute();
            $albumsCount = $stmt->fetch(\PDO::FETCH_ASSOC)['count'];
            $stats[] = [
                'name' => 'Music Albums',
                'value' => number_format($albumsCount),
                'icon' => 'MusicalNoteIcon',
                'color' => 'bg-pink-500',
                'href' => '/music'
            ];

            // Get adult videos count
            $stmt = $this->pdo->prepare("SELECT COUNT(*) as count FROM adult_videos");
            $stmt->execute();
            $adultCount = $stmt->fetch(\PDO::FETCH_ASSOC)['count'];
            $stats[] = [
                'name' => 'Adult Videos',
                'value' => number_format($adultCount),
                'icon' => 'LockClosedIcon',
                'color' => 'bg-red-500',
                'href' => '/adult'
            ];

            // Get actors count
            $stmt = $this->pdo->prepare("SELECT COUNT(*) as count FROM actors");
            $stmt->execute();
            $actorsCount = $stmt->fetch(\PDO::FETCH_ASSOC)['count'];
            $stats[] = [
                'name' => 'Actors',
                'value' => number_format($actorsCount),
                'icon' => 'UserIcon',
                'color' => 'bg-indigo-500',
                'href' => '/actors'
            ];

            return $this->success($response, $stats);
        } catch (\Exception $e) {
            return $this->error($response, 'Failed to fetch dashboard stats', 500);
        }
    }

    /**
     * Get recent activity
     */
    public function getRecentActivity(Request $request, Response $response): Response
    {
        try {
            $activities = [];

            // Get recent movies (last 5)
            $stmt = $this->pdo->prepare("
                SELECT 'Added movie' as action, title as item, 
                       DATE_FORMAT(created_at, '%b %d, %Y') as time, 
                       'movie' as type
                FROM movies 
                ORDER BY created_at DESC 
                LIMIT 5
            ");
            $stmt->execute();
            $recentMovies = $stmt->fetchAll(\PDO::FETCH_ASSOC);
            $activities = array_merge($activities, $recentMovies);

            // Get recent TV shows (last 5)
            $stmt = $this->pdo->prepare("
                SELECT 'Added TV show' as action, title as item, 
                       DATE_FORMAT(created_at, '%b %d, %Y') as time, 
                       'tvshow' as type
                FROM tv_shows 
                ORDER BY created_at DESC 
                LIMIT 5
            ");
            $stmt->execute();
            $recentTvShows = $stmt->fetchAll(\PDO::FETCH_ASSOC);
            $activities = array_merge($activities, $recentTvShows);

            // Get recent games (last 5)
            $stmt = $this->pdo->prepare("
                SELECT 'Added game' as action, title as item, 
                       DATE_FORMAT(created_at, '%b %d, %Y') as time, 
                       'game' as type
                FROM games 
                ORDER BY created_at DESC 
                LIMIT 5
            ");
            $stmt->execute();
            $recentGames = $stmt->fetchAll(\PDO::FETCH_ASSOC);
            $activities = array_merge($activities, $recentGames);

            // Get recent music albums (last 5)
            $stmt = $this->pdo->prepare("
                SELECT 'Added album' as action, title as item, 
                       DATE_FORMAT(created_at, '%b %d, %Y') as time, 
                       'music' as type
                FROM music_albums 
                ORDER BY created_at DESC 
                LIMIT 5
            ");
            $stmt->execute();
            $recentAlbums = $stmt->fetchAll(\PDO::FETCH_ASSOC);
            $activities = array_merge($activities, $recentAlbums);

            // Sort all activities by time (most recent first)
            usort($activities, function($a, $b) {
                return strtotime($b['time']) - strtotime($a['time']);
            });

            // Take only the 10 most recent activities
            $activities = array_slice($activities, 0, 10);

            // Format time to be more relative
            foreach ($activities as &$activity) {
                $activity['id'] = uniqid();
                $activity['time'] = $this->formatRelativeTime($activity['time']);
            }

            return $this->success($response, $activities);
        } catch (\Exception $e) {
            return $this->error($response, 'Failed to fetch recent activity', 500);
        }
    }

    /**
     * Format time to relative format (simplified version)
     */
    private function formatRelativeTime($dateString): string
    {
        $date = strtotime($dateString);
        $now = time();
        $diff = $now - $date;

        if ($diff < 3600) {
            $minutes = floor($diff / 60);
            return $minutes <= 1 ? 'Just now' : "$minutes minutes ago";
        } elseif ($diff < 86400) {
            $hours = floor($diff / 3600);
            return $hours <= 1 ? '1 hour ago' : "$hours hours ago";
        } elseif ($diff < 604800) {
            $days = floor($diff / 86400);
            return $days <= 1 ? '1 day ago' : "$days days ago";
        } else {
            return date('M j, Y', $date);
        }
    }
}