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

// Connexion à la base de données
R::setup('mysql:host=localhost;dbname=votre_base_de_donnees','votre_nom_utilisateur', 'votre_mot_de_passe');
R::freeze(true);

// CORS Headers
Flight::map('cors', function() {
    header('Access-Control-Allow-Origin: *');
    header('Access-Control-Allow-Methods: GET, POST, PUT, DELETE, OPTIONS');
    header('Access-Control-Allow-Headers: Content-Type, Authorization');
});

Flight::route('OPTIONS /todo(/@id)', function(){
    Flight::cors();
    return true;
});

// GET all todos or a single todo
Flight::route('GET /todo(/@id)', function($id = null) {
    Flight::cors();
    $filter = Flight::request()->query->filter ?? "all";

    if ($id === null) {
        switch($filter) {
            case "done":
                $todos = Todo::findCompleted();
                break;
            case "active":
                $todos = Todo::findUnCompleted();
                break;
            default:
                $todos = Todo::findAll();
        }
        Flight::json(["results" => $todos]);
    } else {
        $todo = Todo::find($id);
        if ($todo) {
            Flight::json($todo);
        } else {
            Flight::halt(404, 'Todo not found.');
        }
    }
});

// POST a new todo
Flight::route('POST /todo', function() {
    Flight::cors();
    $requestData = Flight::request()->data;
    if (!isset($requestData->title)) {
        Flight::halt(400, 'Title is required.');
    }
    
    $todoData = [
        "title" => $requestData->title,
        "done" => $requestData->done ?? false
    ];

    $id = Todo::create($todoData);
    $todoData['id'] = $id;
    
    Flight::response()->header("Location", Flight::request()->url . $id);
    Flight::json($todoData, 201);
});

// DELETE a todo
Flight::route('DELETE /todo/@id', function($id) {
    Flight::cors();
    $success = Todo::delete($id);
    if ($success) {
        Flight::halt(204);
    } else {
        Flight::halt(404, 'Todo not found.');
    }
});

// PUT (update) a todo
Flight::route('PUT /todo/@id', function($id) {
    Flight::cors();
    $requestData = Flight::request()->data;
    
    $todo = Todo::find($id);
    if (!$todo) {
        Flight::halt(404, 'Todo not found.');
    }

    $updateData = [];
    if (isset($requestData->title)) {
        $updateData['title'] = $requestData->title;
    }
    if (isset($requestData->done)) {
        $updateData['done'] = $requestData->done;
    }

    if (empty($updateData)) {
        Flight::halt(400, 'No data to update.');
    }

    $updatedTodo = Todo::update($id, $updateData);
    if ($updatedTodo) {
        Flight::json($updatedTodo);
    } else {
        Flight::halt(500, 'Update failed.');
    }
});

Flight::start();
?>