<?php

namespace App\Monitor\Service;

use Aimeos\Map;
use Symfony\Component\DependencyInjection\Attribute\Autowire;
use Symfony\Component\Filesystem\Filesystem;
use Symfony\Component\Finder\Finder;

class MediaFiles
{
    private Finder $finder;

    private string $moviesPath;

    private string $tvShowsPath;

    private Filesystem $filesystem;

    public function __construct(
        #[Autowire(param: 'media.movies_path')]
        string $moviesPath,

        #[Autowire(param: 'media.tvshows_path')]
        string $tvShowsPath,

        Filesystem $filesystem,
    ) {
        $this->finder = new Finder();
        $this->moviesPath = $moviesPath;
        $this->tvShowsPath = $tvShowsPath;
        $this->filesystem = $filesystem;
    }

    public function getPathByType(string $mediaType): string
    {
        if ('movies' === $mediaType) {
            return $this->moviesPath;
        } elseif ('tvshows' === $mediaType) {
            return $this->tvShowsPath;
        }

        throw new \Exception(sprintf('A path for media type %s does not exist.', $mediaType));
    }

    public function getMoviesPath(): string
    {
        return $this->moviesPath;
    }

    public function getTvShowsPath(): string
    {
        return $this->tvShowsPath;
    }

    public function getMovieDirs(): Map
    {
        $results = [];
        foreach ($this->finder->in($this->moviesPath)->directories() as $file) {
            $results[] = $file;
        }

        return Map::from($results);
    }

    public function getTvShowDirs(): Map
    {
        $results = [];
        foreach ($this->finder->in($this->tvShowsPath)->directories() as $file) {
            $results[] = $file;
        }

        return Map::from($results);
    }

    public function getEpisodes(string $path, bool $onlyFilenames = true): Map
    {
        if (!str_starts_with($path, $this->tvShowsPath)) {
            $path = $this->tvShowsPath . DIRECTORY_SEPARATOR . $path;
        }

        if (false === $this->filesystem->exists($path)) {
            $this->filesystem->mkdir($path);
        }

        $results = [];
        foreach ($this->finder->in($path)->files() as $file) {
            if ($onlyFilenames) {
                $results[] = $file->getRelativePathname();
            } else {
                $results[] = $file;
            }
        }

        return Map::from($results);
    }

    public function createMovieDirectory(string $path): string
    {
        $path = $this->moviesPath . DIRECTORY_SEPARATOR . $path;

        if (false === $this->filesystem->exists($path)) {
            $this->filesystem->mkdir($path);
        }

        return $path;
    }

    public function createTvShowDirectory(string $path): string
    {
        $path = $this->tvShowsPath . DIRECTORY_SEPARATOR . $path;

        if (false === $this->filesystem->exists($path)) {
            $this->filesystem->mkdir($path);
        }

        return $path;
    }

    public function createDirectory(string $path): string
    {
        if (false === $this->filesystem->exists($path)) {
            $this->filesystem->mkdir($path);
        }

        return $path;
    }
}