<?php

namespace App\Services;

use App\Models\Game;
use GuzzleHttp\Client;
use Exception;

class ExophaseSyncService extends BaseSyncService
{
    private Client $httpClient;
    private ?string $apiKey;
    private string $baseUrl;
    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);
        $this->httpClient = new Client([
            'timeout' => 30,
            'headers' => [
                'User-Agent' => 'MediaCollector/1.0',
                'Authorization' => 'Bearer ' . $source['api_key']
            ]
        ]);
        $this->apiKey = $source['api_key'];
        $this->baseUrl = rtrim($source['api_url'] ?? 'https://api.exophase.com', '/');
    }

    protected function executeSync(string $syncType): void
    {
        if (empty($this->apiKey)) {
            throw new Exception('Exophase API key not configured');
        }

        $this->logProgress('Starting Exophase gaming data sync...');

        // Sync games from all supported platforms
        $this->syncGames();

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

    private function syncGames(): void
    {
        try {
            $games = $this->getExophaseGames();

            foreach ($games as $gameData) {
                $this->syncGame($gameData);
                $this->processedCount++;
            }
        } catch (Exception $e) {
            $this->logProgress('Error syncing games: ' . $e->getMessage());
        }
    }

    private function getExophaseGames(): array
    {
        try {
            // Exophase API endpoint for user's games
            $response = $this->httpClient->get("{$this->baseUrl}/v1/user/games");

            $data = json_decode($response->getBody(), true);

            if (!isset($data['games'])) {
                throw new Exception('No games found in Exophase');
            }

            return $data['games'];
        } catch (Exception $e) {
            throw new Exception('Failed to fetch Exophase games: ' . $e->getMessage());
        }
    }

    private function syncGame(array $gameData): void
    {
        $gameModel = new Game($this->pdo);

        // Check if game already exists
        $existingGame = $gameModel->findAll([
            'source_id' => $this->sourceId
        ]);

        // Find existing game by platform-specific ID or title
        foreach ($existingGame as $game) {
            $metadata = json_decode($game['metadata'], true);
            if (isset($metadata['exophase_game_id']) && $metadata['exophase_game_id'] === $gameData['id']) {
                $existingGame = [$game];
                break;
            }
        }

        $gameData = [
            'title' => $gameData['title'] ?: 'Untitled Game',
            'game_key' => Game::generateGameKey($gameData['title'], $gameData['platform'] ?? null),
            'platform' => $this->mapPlatform($gameData['platform'] ?? 'unknown'),
            'playtime_minutes' => $gameData['playtime_minutes'] ?? 0,
            'completion_percentage' => $gameData['completion_percentage'] ?? 0,
            'source_id' => $this->sourceId,
            'last_played_at' => isset($gameData['last_played']) ? date('Y-m-d H:i:s', strtotime($gameData['last_played'])) : null,
            'metadata' => json_encode([
                'exophase_game_id' => $gameData['id'],
                'exophase_platform' => $gameData['platform'] ?? null,
                'achievements_earned' => $gameData['achievements_earned'] ?? 0,
                'achievements_total' => $gameData['achievements_total'] ?? 0,
                'trophies_earned' => $gameData['trophies_earned'] ?? 0,
                'trophies_total' => $gameData['trophies_total'] ?? 0,
                'gamerscore_earned' => $gameData['gamerscore_earned'] ?? 0,
                'gamerscore_total' => $gameData['gamerscore_total'] ?? 0,
                'last_achievement' => $gameData['last_achievement'] ?? null,
                'first_achievement' => $gameData['first_achievement'] ?? null,
                'rating' => $gameData['rating'] ?? null,
                'genre' => $gameData['genre'] ?? null,
                'developer' => $gameData['developer'] ?? null,
                'publisher' => $gameData['publisher'] ?? null,
                'release_date' => $gameData['release_date'] ?? null
            ])
        ];

        if (empty($existingGame)) {
            $gameModel->create($gameData);
            $this->newCount++;
        } else {
            $gameModel->update($existingGame[0]['id'], $gameData);
            $this->updatedCount++;
        }
    }

    private function mapPlatform(string $platform): string
    {
        $platformMap = [
            'steam' => 'PC',
            'psn' => 'PlayStation',
            'ps4' => 'PlayStation 4',
            'ps5' => 'PlayStation 5',
            'xbox' => 'Xbox',
            'xbox360' => 'Xbox 360',
            'xboxone' => 'Xbox One',
            'xboxseries' => 'Xbox Series X/S',
            'nintendo' => 'Nintendo',
            'switch' => 'Nintendo Switch',
            'epic' => 'Epic Games',
            'gog' => 'GOG',
            'origin' => 'Origin',
            'uplay' => 'Ubisoft Connect',
            'battlenet' => 'Battle.net'
        ];

        return $platformMap[$platform] ?? ucfirst($platform);
    }

    protected function getProcessedCount(): int
    {
        return $this->processedCount;
    }

    protected function getNewCount(): int
    {
        return $this->newCount;
    }

    protected function getUpdatedCount(): int
    {
        return $this->updatedCount;
    }

    protected function getDeletedCount(): int
    {
        return 0; // Exophase doesn't provide deletion info in this context
    }
}