<?php

namespace App\Services;

use App\Models\Game;
use App\Models\Genre;
use App\Models\Platform;
use App\Models\Artwork;
use App\Models\Screenshot;
use App\Models\Video;
use Illuminate\Support\Facades\Log;
use MarcReichel\IGDBLaravel\Models\Collection;
use MarcReichel\IGDBLaravel\Models\Game as IgdbGame;
use MarcReichel\IGDBLaravel\Models\Cover;
use MarcReichel\IGDBLaravel\Models\Genre as IgdbGenre;
use MarcReichel\IGDBLaravel\Models\Platform as IgdbPlatform;

class IgdbService
{
    public function get(
        int $limit,
        $startDate = null,
        $endDate = null,
    ) {
        try {
            $existingIds = $this->getExistingIds();

            $queryBuilder = IgdbGame::select([
                'id',
                'name',
                'summary',
                'cover',
                'slug',
                'genres',
                'platforms',
                'first_release_date',
                'rating',
                'rating_count'
            ])
//            ->where('rating_count', '>', 0)
//            ->where('category', '=', 0)
            ;

            if ($startDate) {
                $queryBuilder->where('first_release_date', '>=', $startDate);
            }

            if ($endDate) {
                $queryBuilder->where('first_release_date', '<=', $endDate);
            }

            if (!empty($existingIds)) {
                // Convert array of quoted strings to array of integers
                // $existingIds = array_map(function($id) {
                //     return (int)str_replace('"', '', $id);
                // }, $existingIds);
                $queryBuilder->whereNotIn('id', $existingIds);
            }

            $a = $queryBuilder
                ->orderBy('first_release_date', 'asc')
                ->limit($limit)
                ->get();
        }catch (\Throwable $e) {
            dd(
                $e->getMessage(),
                $e->getTrace()
            );
        }

        return $a;
    }

    private function getExistingIds(): ?array
    {
        $existingGames = Game::get();

        if (empty($existingGames)) {
            return null;
        }

        $existingIds = [];

        /** @var Game $existingGame */
        foreach ($existingGames as $existingGame) {
            $existingIds[] = (string)$existingGame->igdb_id;
        }

        return $existingIds;
        // return array_map(function($id) {
        //     return '"'.$id.'"';
        // }, $existingIds);
    }

    public function searchGames(string $query, int $limit = 10, ?int $startTimestamp = null, ?int $endTimestamp = null): array
    {
        try {
            $queryBuilder = IgdbGame::select([
                'id',
                'name',
                'summary',
                'cover',
                'slug',
                'genres',
                'platforms',
                'first_release_date',
                'rating',
                'rating_count'
            ])
            ->where('rating_count', '>', 0)
            ->where('category', '=', 0) // Only main games, no DLCs or expansions
            ->limit($limit)
            ->orderBy('rating', 'desc');

            if ($startTimestamp && $endTimestamp) {
                $queryBuilder->where('first_release_date', '>=', $startTimestamp)
                           ->where('first_release_date', '<=', $endTimestamp);
            }

            if ($query) {
                $queryBuilder->search($query);
            }

            return $queryBuilder->get()->toArray();
        } catch (\Exception $e) {
            Log::error('Failed to search games', [
                'query' => $query,
                'error' => $e->getMessage()
            ]);
            return [];
        }
    }

    public function getGameDetails(int $igdbId): ?array
    {
        try {
            $game = IgdbGame::select([
                'id',
                'name',
                'summary',
                'storyline',
                'cover.url',
                'slug',
                'first_release_date',
                'rating',
                'rating_count',
                'category',
                'status',
                'url',
                'version_title',
                'artworks.url',
                'artworks.width',
                'artworks.height',
                'artworks.image_id',
                'screenshots.url',
                'screenshots.width',
                'screenshots.height',
                'screenshots.image_id',
                'videos.name',
                'videos.video_id',
                'videos.url',
                'videos.checksum',
                'bundles.id',
                'collections.id',
                'dlcs.id',
                'expanded_games.id',
                'franchises.id',
                'ports.id',
                'remakes.id',
                'similar_games.id'
            ])
            ->where('id', $igdbId)
            ->first();

            if (!$game) {
                return null;
            }

            return $game->toArray();
        } catch (\Exception $e) {
            Log::error('Failed to fetch game details from IGDB', [
                'igdb_id' => $igdbId,
                'error' => $e->getMessage()
            ]);
            return null;
        }
    }

    public function getGameCover(int $coverId): ?string
    {
        try {
            return Cover::select(['url'])
                ->where('id', $coverId)
                ->first()
                ?->url;
        } catch (\Exception $e) {
            Log::error('Failed to get game cover', [
                'id' => $coverId,
                'error' => $e->getMessage()
            ]);
            return null;
        }
    }

    public function getGenreDetails(int $genreId): ?array
    {
        try {
            return IgdbGenre::select(['id', 'name', 'slug'])
                ->where('id', $genreId)
                ->first()
                ?->toArray();
        } catch (\Exception $e) {
            Log::error('Failed to get genre details', [
                'id' => $genreId,
                'error' => $e->getMessage()
            ]);
            return null;
        }
    }

    public function getPlatformDetails(int $platformId): ?array
    {
        try {
            return IgdbPlatform::select(['id', 'name', 'slug', 'abbreviation'])
                ->where('id', $platformId)
                ->first()
                ?->toArray();
        } catch (\Exception $e) {
            Log::error('Failed to get platform details', [
                'id' => $platformId,
                'error' => $e->getMessage()
            ]);
            return null;
        }
    }

    public function processGameData(IgdbGame $gameData): Game
    {
        // Process platforms
        $platforms = [];
        if (isset($gameData->platforms) && is_array($gameData->platforms)) {
            $platformData = IgdbPlatform::select(['id', 'name', 'slug', 'abbreviation'])
                ->whereIn('id', $gameData->platforms)
                ->get();

            foreach ($platformData as $platformDetails) {
                $platform = Platform::updateOrCreate(
                    ['igdb_id' => $platformDetails->id],
                    [
                        'name' => $platformDetails->name,
                        'slug' => $platformDetails->slug,
                        'abbreviation' => $platformDetails->abbreviation,
                    ]
                );
                $platforms[] = $platform->id;
            }
        }

        // Process genres
        $genres = [];
        if (isset($gameData->genres) && is_array($gameData->genres)) {
            $genreData = IgdbGenre::select(['id', 'name', 'slug'])
                ->whereIn('id', $gameData->genres)
                ->get();

            foreach ($genreData as $genreDetails) {
                $genre = Genre::updateOrCreate(
                    ['igdb_id' => $genreDetails->id],
                    [
                        'name' => $genreDetails->name,
                        'slug' => $genreDetails->slug,
                    ]
                );
                $genres[] = $genre->id;
            }
        }

        $cover = Cover::where('game', '=', $gameData->id)->first();

        $coverUrl = null;

        if ($cover) {
            $coverUrl = 'https:'.$cover->url;
            $coverUrl = str_replace('t_thumb', 't_cover_big', $coverUrl);
        }

        // Create or update the game
        $game = Game::updateOrCreate(
            ['igdb_id' => $gameData->id],
            [
                'name' => $gameData->name,
                'summary' => $gameData->summary ?? null,
                'cover_url' => $coverUrl,
                'slug' => $gameData->slug,
                'first_release_date' => $gameData->first_release_date ?? null,
                'rating' => $gameData->rating ?? null,
                'rating_count' => $gameData->rating_count ?? null,
            ]
        );

        // Sync platforms and genres
        if (!empty($platforms)) {
            $game->platforms()->sync($platforms);
        }
        if (!empty($genres)) {
            $game->genres()->sync($genres);
        }

        // Process artworks
        try {
            $artworks = \MarcReichel\IGDBLaravel\Models\Artwork::select([
                'id',
                'url',
                'width',
                'height',
                'image_id'
            ])
            ->where('game', '=', $gameData->id)
            ->get();

            foreach ($artworks as $artworkData) {
                Artwork::updateOrCreate(
                    ['igdb_id' => $artworkData->id],
                    [
                        'game_id' => $game->id,
                        'url' => $artworkData->url,
                        'width' => $artworkData->width ?? null,
                        'height' => $artworkData->height ?? null,
                        'image_id' => $artworkData->image_id ?? null,
                    ]
                );
            }
        } catch (\Exception $e) {
            Log::error('Failed to get artworks for game', [
                'game_id' => $game->id,
                'error' => $e->getMessage()
            ]);
        }

        // Process screenshots
        try {
            $screenshots = \MarcReichel\IGDBLaravel\Models\Screenshot::select([
                'id',
                'url',
                'width',
                'height',
                'image_id'
            ])
            ->where('game', '=', $gameData->id)
            ->get();

            foreach ($screenshots as $screenshotData) {
                Screenshot::updateOrCreate(
                    ['igdb_id' => $screenshotData->id],
                    [
                        'game_id' => $game->id,
                        'url' => $screenshotData->url,
                        'width' => $screenshotData->width ?? null,
                        'height' => $screenshotData->height ?? null,
                        'image_id' => $screenshotData->image_id ?? null,
                    ]
                );
            }
        } catch (\Exception $e) {
            Log::error('Failed to get screenshots for game', [
                'game_id' => $game->id,
                'error' => $e->getMessage()
            ]);
        }

        // Process videos
        try {
            $videos = \MarcReichel\IGDBLaravel\Models\GameVideo::select([
                'id',
                'name',
                'video_id',
                'url',
                'checksum'
            ])
            ->where('game', '=', $gameData->id)
            ->get();

            foreach ($videos as $videoData) {
                Video::updateOrCreate(
                    ['igdb_id' => $videoData->id],
                    [
                        'game_id' => $game->id,
                        'name' => $videoData->name,
                        'video_id' => $videoData->video_id,
                        'url' => $videoData->url,
                        'checksum' => $videoData->checksum ?? null,
                    ]
                );
            }
        } catch (\Exception $e) {
            Log::error('Failed to get videos for game', [
                'game_id' => $game->id,
                'error' => $e->getMessage()
            ]);
        }

        // Process relationships
        $this->processGameRelationships($game, $gameData);

        return $game;
    }

    private function processGameRelationships(Game $game,IgdbGame $gameData): void
    {
        // Ensure $gameData is an IgdbGame instance
        if (!($gameData instanceof \MarcReichel\IGDBLaravel\Models\Game)) {
            throw new \InvalidArgumentException('Game data must be an instance of IgdbGame');
        }

        // Initialize relationships array
        $relationships = [];

        // Define relationship mappings and check each one
        $relationshipMappings = [
            'bundles',
            'collections',
            'dlcs',
            'expanded_games',
            'franchises',
            'ports',
            'remakes',
            'similar_games'
        ];

        // Only query IGDB for relationships that have data
        foreach ($relationshipMappings as $relationship) {
            if (!empty($gameData->$relationship)) {
                $relationships[$relationship] = IgdbGame::select(['id'])
                    ->where('id', 'in', $gameData->$relationship)
                    ->get()
                    ->pluck('id')
                    ->toArray();
            } else {
                $relationships[$relationship] = [];
            }
        }

        // Process and sync each relationship
        foreach ($relationships as $igdbKey => $relatedIds) {
            // Convert IGDB relationship key to Laravel relationship method
            $relationshipMethod = str_replace('_', '', $igdbKey); // Remove underscores

            $relatedGames = [];
            if (!empty($relatedIds)) {
                $relatedGames = Game::whereIn('igdb_id', $relatedIds)->pluck('id')->toArray();
            }

            // Only sync if the relationship method exists
            if (method_exists($game, $relationshipMethod)) {
                Log::info("Syncing relationship '$relationshipMethod' for game {$game->id}");

                $game->$relationshipMethod()->sync($relatedGames);
            } else {
                Log::warning("Relationship method '$relationshipMethod' does not exist on Game model", [
                    'game_id' => $game->id,
                    'igdb_key' => $igdbKey
                ]);
            }
        }
    }

    public function processGenreData(array $genreData): void
    {
        try {
            Genre::updateOrCreate(
                ['igdb_id' => $genreData['id']],
                [
                    'name' => $genreData['name'],
                    'slug' => $genreData['slug'],
                ]
            );
        } catch (\Exception $e) {
            Log::error('Failed to process genre data', [
                'genre_id' => $genreData['id'],
                'error' => $e->getMessage()
            ]);
            throw $e;
        }
    }

    public function processPlatformData(array $platformData): void
    {
        try {
            Platform::updateOrCreate(
                ['igdb_id' => $platformData['id']],
                [
                    'name' => $platformData['name'],
                    'slug' => $platformData['slug'],
                    'abbreviation' => $platformData['abbreviation'] ?? null,
                ]
            );
        } catch (\Exception $e) {
            Log::error('Failed to process platform data', [
                'platform_id' => $platformData['id'],
                'error' => $e->getMessage()
            ]);
            throw $e;
        }
    }
}