<?php

require 'flight/Flight.php';
require 'model/model.php';

MusicAPI::init();

Flight::route('GET /songs(/@id)', 'findSong');
Flight::route('GET /albums(/@id)', 'findAlbum');
Flight::route('GET /artists(/@id)', 'findArtist');
Flight::route('GET /playlists(/@id)', 'findPlaylist');
Flight::route('POST /playlists', 'createPlaylist');
Flight::route('DELETE /playlists/@id', 'deletePlaylist');

function findSong($id = null)
{
	$title = Flight::request()->query->title ?? false;

	if ($id === null) {
		if($title) {
			$res = MusicAPI::findAllSongByTitleContaining($title);
		} else {
			$res = MusicAPI::findAllSong();
		}
		Flight::json(["results" => $res]);
	} else {
		$res = MusicAPI::findSongById($id);
		if ($res)
		{
			Flight::json($res);
		} else {
			Flight::halt(404);
		}
	}
}

function findAlbum($id = null)
{
	$name = Flight::request()->query->name ?? false;

    	if ($id === null) {
		if ($name){
			$res = MusicAPI::findAlbumByNameContaining($name);
		} else {
			$res = MusicAPI::findAllAlbum();
		}
		Flight::json(["results" => $res]);
    	} else {
        	$res = MusicAPI::findAlbumById($id);
        	if ($res) {
           		Flight::json($res);
        	} else {
            		Flight::halt(404);
        	}
    	}
}

function findArtist($id = null)
{
	$name = Flight::request()->query->name ?? false;

	if ($id === null) {
		if ($name){
			$res = MusicAPI::findArtsistByNameContaining($name);
		} else {
			$res = MusicAPI::findAllArtist();
		}
		Flight::json(["results" => $res]);
	}
	else {
		$res = MusicAPI::findArtsistById($id);
		if ($res) {
			Flight::json($res);
		} else {
			Flight::halt(404);
		}
	}
}

function findPlaylist($id = null)
{
    if ($id === null) {
        $res = MusicAPI::findAllPlaylists();
        Flight::json(["results" => $res]);
    } else {
        $res = MusicAPI::findPlaylistById($id);
        if ($res) {
            Flight::json($res);
        } else {
            Flight::halt(404);
        }
    }
}

function createPlaylist()
{
    $data = Flight::request()->data;
    $name = $data->name ?? null;

    if ($name) {
        $id = MusicAPI::createPlaylist($name);
        Flight::json(["id" => $id], 201);
    } else {
        Flight::halt(400, "Missing name parameter");
    }
}

function deletePlaylist($id)
{
    $res = MusicAPI::deletePlaylist($id);
    if ($res) {
        Flight::json(["status" => "success"]);
    } else {
        Flight::halt(404);
    }
}

Flight::start();

?>