<?php

namespace App\Console\Commands\TmdbFetch;

use App\Models\ItemToFetch;
use App\Models\ItemToFetchJobs;
use App\Service\TMDBApi\ShowsApi;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\DB;

class DiscoverTvSeriesCommand extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'tmdb:discover-tv-series {--page=1} {--limit=5}';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = 'Discover TV series from TMDB API and add them to the fetch queue';

    private ShowsApi $showsApi;

    public function __construct(ShowsApi $showsApi)
    {
        $this->showsApi = $showsApi;
        parent::__construct();
    }

    /**
     * Execute the console command.
     */
    public function handle()
    {
        $page = $this->option('page');
        $limit = $this->option('limit');

        $this->info("Discovering TV series from TMDB API (page: {$page}, limit: {$limit})");

        $totalPages = 0;
        $processedCount = 0;

        try {
            for ($currentPage = $page; $currentPage < $page + $limit; $currentPage++) {
                $this->info("Processing page {$currentPage}");

                $discoverResult = $this->showsApi->discover([
                    'page' => $currentPage,
                    'sort_by' => 'popularity.desc',
                    'include_adult' => false,
                ]);

                if (empty($discoverResult) || empty($discoverResult['results'])) {
                    $this->error("No results found on page {$currentPage}");
                    break;
                }

                $totalPages = $discoverResult['total_pages'];

                if ($currentPage > $totalPages) {
                    $this->info("Reached the end of results (total pages: {$totalPages})");
                    break;
                }

                DB::beginTransaction();

                foreach ($discoverResult['results'] as $show) {
                    $this->processShow($show);
                    $processedCount++;
                }

                DB::commit();

                // Sleep to avoid rate limiting
                sleep(1);
            }

            $this->info("Successfully processed {$processedCount} TV series");

        } catch (\Throwable $e) {
            DB::rollBack();
            $this->error("Error processing TV series: " . $e->getMessage());
            $this->error($e->getTraceAsString());
        }
    }

    private function processShow(array $show)
    {
        $tmdbId = $show['id'];

        // Check if this show is already in the queue
        $existingJob = ItemToFetchJobs::where('tmdb_id', $tmdbId)
            ->where('type', ItemToFetch::TYPE_TV_SERIES)
            ->first();

        if ($existingJob) {
            $this->line("TV series ID {$tmdbId} already in queue, skipping");
            return;
        }

        // Create ItemToFetch record if it doesn't exist
        $itemToFetch = ItemToFetch::firstOrCreate(
            [
                'tmdb_id' => $tmdbId,
                'type' => ItemToFetch::TYPE_TV_SERIES,
            ]
        );

        // Prepare jobs list
        $jobs = ItemToFetchJobs::SHOW_JOBS;
        $jobs[] = ItemToFetchJobs::JOB_DETAILS;

        // Create ItemToFetchJobs record
        ItemToFetchJobs::create([
            'tmdb_id' => $tmdbId,
            'type' => ItemToFetch::TYPE_TV_SERIES,
            'jobs' => implode(',', $jobs),
        ]);

        $this->line("Added TV series ID {$tmdbId} to fetch queue");
    }
}