<?php

namespace App\Console\Commands;

use App\Models\Company;
use App\Models\Game;
use App\Models\GameScreenshot;
use App\Models\Genre;
use App\Models\Platform;
use App\Services\IgdbService;
use Illuminate\Console\Command;

class ImportGamesCommand extends Command
{
    protected $signature   = 'games:import {--limit=100} {--offset=0} {--popular} {--new} {--year=} {--platform=}';
    protected $description = 'Import games from IGDB into the local database';

    public function handle(IgdbService $igdb): int
    {
        $limit    = (int) $this->option('limit');
        $offset   = (int) $this->option('offset');
        $year     = $this->option('year')     ? (int) $this->option('year')     : null;
        $platform = $this->option('platform') ? (int) $this->option('platform') : null;

        if ($year && $platform) {
            $this->error('Use --year or --platform, not both.');
            return self::FAILURE;
        }

        $label = match (true) {
            $year     !== null => "year {$year}",
            $platform !== null => "platform IGDB ID {$platform}",
            $this->option('new') => 'new releases',
            default => "popular (offset: {$offset})",
        };
        $this->info("Fetching {$limit} games from IGDB ({$label})…");

        try {
            $results = match (true) {
                $year     !== null => $igdb->getGamesByYear($year, $limit, $offset),
                $platform !== null => $igdb->getGamesByPlatform($platform, $limit, $offset),
                $this->option('new') => $igdb->getNewReleases($limit),
                default => $igdb->getPopularGames($limit, $offset),
            };
        } catch (\Exception $e) {
            $this->error('IGDB request failed: ' . $e->getMessage());
            return self::FAILURE;
        }

        if (empty($results)) {
            $this->warn('No games returned from IGDB.');
            return self::SUCCESS;
        }

        $imported = 0;
        $bar = $this->output->createProgressBar(count($results));
        $bar->start();

        foreach ($results as $data) {
            try {
                $this->upsertGame($data, $igdb);
                $imported++;
            } catch (\Exception $e) {
                $this->newLine();
                $this->warn("Skipped game (igdb_id={$data['id']}): " . $e->getMessage());
            }
            $bar->advance();
        }

        $bar->finish();
        $this->newLine(2);
        $this->info("Done. Imported/updated {$imported} games.");

        return self::SUCCESS;
    }

    private function upsertGame(array $data, IgdbService $igdb): void
    {
        $igdbId      = $data['id'];
        $title       = $data['name'] ?? 'Unknown';
        $releaseDate = isset($data['first_release_date'])
            ? date('Y-m-d', $data['first_release_date'])
            : null;
        $releaseYear = $releaseDate ? substr($releaseDate, 0, 4) : null;

        $coverUrl      = null;
        $coverThumbUrl = null;
        if (!empty($data['cover']['image_id'])) {
            $coverUrl      = $igdb::coverUrl($data['cover']['image_id'], 'cover_big');
            $coverThumbUrl = $igdb::coverUrl($data['cover']['image_id'], 'cover_small');
        }

        $game = Game::updateOrCreate(
            ['igdb_id' => $igdbId],
            [
                'title'          => $title,
                'summary'        => $data['summary'] ?? null,
                'cover_url'      => $coverUrl,
                'cover_thumb_url'=> $coverThumbUrl,
                'release_date'   => $releaseDate,
                'release_year'   => $releaseYear,
                'status'         => 'published',
            ]
        );

        // Genres
        if (!empty($data['genres'])) {
            $genreIds = [];
            foreach ($data['genres'] as $g) {
                $genre = Genre::firstOrCreate(
                    ['igdb_id' => $g['id']],
                    ['name' => $g['name'], 'slug' => \Str::slug($g['name'])]
                );
                $genreIds[] = $genre->id;
            }
            $game->genres()->sync($genreIds);
        }

        // Platforms
        if (!empty($data['platforms'])) {
            $platformIds = [];
            foreach ($data['platforms'] as $p) {
                $platform = Platform::firstOrCreate(
                    ['igdb_id' => $p['id']],
                    ['name' => $p['name'], 'slug' => \Str::slug($p['name'])]
                );
                $platformIds[] = $platform->id;
            }
            $game->platforms()->sync($platformIds);
        }

        // Companies (involved_companies)
        if (!empty($data['involved_companies'])) {
            $companyPivot = [];
            foreach ($data['involved_companies'] as $ic) {
                if (empty($ic['company']['name'])) continue;
                $company = Company::firstOrCreate(
                    ['igdb_id' => $ic['company']['id']],
                    ['name' => $ic['company']['name'], 'slug' => \Str::slug($ic['company']['name'])]
                );
                $role = $ic['developer'] ? 'developer' : ($ic['publisher'] ? 'publisher' : 'other');
                $companyPivot[$company->id] = ['role' => $role];
            }
            $game->companies()->sync($companyPivot);
        }

        // Screenshots
        if (!empty($data['screenshots'])) {
            GameScreenshot::where('game_id', $game->id)->delete();
            foreach ($data['screenshots'] as $i => $shot) {
                GameScreenshot::create([
                    'game_id'   => $game->id,
                    'url'       => $igdb::screenshotUrl($shot['image_id'], 'screenshot_big'),
                    'thumb_url' => $igdb::screenshotUrl($shot['image_id'], 'screenshot_med'),
                    'order'     => $i,
                ]);
            }
        }
    }
}