<?php

namespace App\Services;

use App\Models\AdultVideo;
use GuzzleHttp\Client;
use PDO;
use Exception;

class AdultSyncService extends BaseSyncService
{
    private Client $httpClient;
    private array $xbvrSource;
    private array $stashSource;
    private int $processedCount = 0;
    private int $newCount = 0;
    private int $updatedCount = 0;

    public function __construct(PDO $pdo, array $source, ?int $existingSyncLogId = null)
    {
        parent::__construct($pdo, $source, $existingSyncLogId);

        // Find XBVR and Stash sources
        $this->xbvrSource = $this->findSourceByName('xbvr');
        $this->stashSource = $this->findSourceByName('stash');

        $this->httpClient = new Client([
            'timeout' => 60,
            'headers' => [
                'User-Agent' => 'MediaCollector/1.0',
                'Content-Type' => 'application/json'
            ]
        ]);
    }

    private function findSourceByName(string $name): ?array
    {
        $stmt = $this->pdo->prepare("SELECT * FROM sources WHERE name = :name AND is_active = 1 LIMIT 1");
        $stmt->execute(['name' => $name]);
        return $stmt->fetch(PDO::FETCH_ASSOC) ?: null;
    }

    protected function executeSync(string $syncType): void
    {
        if (!$this->xbvrSource && !$this->stashSource) {
            throw new Exception('No active XBVR or Stash sources found');
        }

        $this->logProgress('Starting adult content library sync...');

        // Sync XBVR content
        if ($this->xbvrSource) {
            $this->syncXbvrContent();
        }

        // Sync Stash content
        if ($this->stashSource) {
            $this->syncStashContent();
        }

        $this->logProgress("Processed {$this->processedCount} adult content items");
    }

    private function syncXbvrContent(): void
    {
        if (!$this->xbvrSource) return;

        try {
            $xbvrService = new XbvrSyncService($this->pdo, $this->xbvrSource);
            $xbvrService->startSync('full');

            $this->logProgress("XBVR content synced directly to adult videos");
        } catch (Exception $e) {
            $this->logProgress("Error syncing XBVR content: " . $e->getMessage());
        }
    }

    private function syncStashContent(): void
    {
        if (!$this->stashSource) return;

        try {
            $stashService = new StashSyncService($this->pdo, $this->stashSource);
            $stashService->startSync('full');

            $this->logProgress("Stash content synced directly to adult videos");
        } catch (Exception $e) {
            $this->logProgress("Error syncing Stash content: " . $e->getMessage());
        }
    }

    private function migrateXbvrToAdultVideos(): void
    {
        // Get all movies from XBVR source
        $stmt = $this->pdo->prepare("
            SELECT m.* FROM movies m
            WHERE m.source_id = :xbvr_source_id
        ");
        $stmt->execute(['xbvr_source_id' => $this->xbvrSource['id']]);
        $xbvrMovies = $stmt->fetchAll(PDO::FETCH_ASSOC);

        foreach ($xbvrMovies as $movie) {
            // Check if adult video already exists
            $existingStmt = $this->pdo->prepare("
                SELECT id FROM adult_videos
                WHERE source_id = :adult_source_id AND external_id = :external_id
                LIMIT 1
            ");
            $existingStmt->execute([
                'adult_source_id' => $this->source['id'],
                'external_id' => $movie['id']
            ]);

            if (!$existingStmt->fetch(PDO::FETCH_ASSOC)) {
                // Create adult video from XBVR movie
                $adultVideoData = [
                    'title' => $movie['title'],
                    'overview' => $movie['overview'],
                    'poster_url' => $movie['poster_url'],
                    'backdrop_url' => $movie['backdrop_url'],
                    'rating' => $movie['rating'],
                    'runtime_minutes' => $movie['runtime_minutes'],
                    'release_date' => $movie['release_date'],
                    'director' => $movie['director'],
                    'writer' => $movie['writer'],
                    'cast' => $movie['cast'],
                    'genre' => $movie['genre'],
                    'metadata' => $movie['metadata'],
                    'watched' => $movie['watched'],
                    'watch_count' => $movie['watch_count'],
                    'is_favorite' => $movie['is_favorite'],
                    'source_id' => $this->source['id'],
                    'external_id' => $movie['id'],
                    'created_at' => $movie['created_at'],
                    'updated_at' => $movie['updated_at']
                ];

                $columns = array_keys($adultVideoData);
                $placeholders = array_map(fn($col) => ":$col", $columns);
                $sql = "INSERT INTO adult_videos (" . implode(', ', $columns) . ") VALUES (" . implode(', ', $placeholders) . ")";

                $insertStmt = $this->pdo->prepare($sql);
                $insertStmt->execute($adultVideoData);

                $this->processedCount++;
            }
        }

        $this->logProgress("Processed {$this->processedCount} XBVR items");
    }

    private function migrateStashToAdultVideos(): void
    {
        // Get all movies from Stash source
        $stmt = $this->pdo->prepare("
            SELECT m.* FROM movies m
            WHERE m.source_id = :stash_source_id
        ");
        $stmt->execute(['stash_source_id' => $this->stashSource['id']]);
        $stashMovies = $stmt->fetchAll(PDO::FETCH_ASSOC);

        foreach ($stashMovies as $movie) {
            // Check if adult video already exists
            $existingStmt = $this->pdo->prepare("
                SELECT id FROM adult_videos
                WHERE source_id = :adult_source_id AND external_id = :external_id
                LIMIT 1
            ");
            $existingStmt->execute([
                'adult_source_id' => $this->source['id'],
                'external_id' => $movie['id']
            ]);

            if (!$existingStmt->fetch(PDO::FETCH_ASSOC)) {
                // Create adult video from Stash movie
                $adultVideoData = [
                    'title' => $movie['title'],
                    'overview' => $movie['overview'],
                    'poster_url' => $movie['poster_url'],
                    'backdrop_url' => $movie['backdrop_url'],
                    'rating' => $movie['rating'],
                    'runtime_minutes' => $movie['runtime_minutes'],
                    'release_date' => $movie['release_date'],
                    'director' => $movie['director'],
                    'writer' => $movie['writer'],
                    'cast' => $movie['cast'],
                    'genre' => $movie['genre'],
                    'metadata' => $movie['metadata'],
                    'watched' => $movie['watched'],
                    'watch_count' => $movie['watch_count'],
                    'is_favorite' => $movie['is_favorite'],
                    'source_id' => $this->source['id'],
                    'external_id' => $movie['id'],
                    'created_at' => $movie['created_at'],
                    'updated_at' => $movie['updated_at']
                ];

                $columns = array_keys($adultVideoData);
                $placeholders = array_map(fn($col) => ":$col", $columns);
                $sql = "INSERT INTO adult_videos (" . implode(', ', $columns) . ") VALUES (" . implode(', ', $placeholders) . ")";

                $insertStmt = $this->pdo->prepare($sql);
                $insertStmt->execute($adultVideoData);

                $this->processedCount++;
            }
        }

        $this->logProgress("Processed {$this->processedCount} Stash items");
    }
}