<?php
// controllers/UserController.php

require_once __DIR__ . '/../models/User.php';

class UserController {
    private $db;
    private $userModel;
    private $jwt_secret;

    public function __construct($db, $jwt_secret = null) {
        $this->db = $db;
        $this->userModel = new User($this->db);
        $this->jwt_secret = $jwt_secret;
    }

    // --- INTERCEPTE L'INSCRIPTION ---
    public function register($data) {
        if (empty($data['username']) || empty($data['email']) || empty($data['password'])) {
            http_response_code(400);
            echo json_encode(["success" => false, "message" => "Données incomplètes. Pseudo, email et mot de passe requis."]);
            return;
        }

        $result = $this->userModel->register($data['username'], $data['email'], $data['password']);

        if ($result['success']) {
            http_response_code(201);
        } else {
            http_response_code(400);
        }

        echo json_encode($result);
    }

    // --- INTERCEPTE LA CONNEXION ---
    public function login($data) {
        if (empty($data['email']) || empty($data['password'])) {
            http_response_code(400);
            echo json_encode(["success" => false, "message" => "Email et mot de passe requis."]);
            return;
        }

        $result = $this->userModel->login($data['email'], $data['password']);

        if ($result['success']) {
            require_once __DIR__ . '/../utils/JWT.php';
            
            $token_payload = ["user_id" => $result['user']['id']];
            $token = JWT::generate($token_payload, $this->jwt_secret);

            http_response_code(200);
            echo json_encode([
                "success" => true,
                "token" => $token,
                "user" => [
                    "id" => $result['user']['id'],
                    "username" => $result['user']['username'],
                    "email" => $result['user']['email'],
                    "pairing_code" => $result['user']['pairing_code'],
                    "partner_id" => $result['user']['partner_id']
                ],
                "partner_id" => $result['user']['partner_id'] // On utilise bien le résultat de la requête
            ]);
        } else {
            http_response_code(401);
            echo json_encode(["success" => false, "message" => $result['message'] ?? "Email ou mot de passe incorrect."]);
        }
    }

    // --- INTERCEPTE LA LIAISON DE COMPTES ---
    public function link($data) {
        if (empty($data['user_id']) || empty($data['partner_code'])) {
            http_response_code(400);
            echo json_encode(["success" => false, "message" => "ID utilisateur et code partenaire requis."]);
            return;
        }

        $result = $this->userModel->linkPartner($data['user_id'], $data['partner_code']);

        if ($result['success']) {
            http_response_code(200);
        } else {
            http_response_code(400);
        }

        echo json_encode($result);
    }

    // --- INTERCEPTE LA VÉRIFICATION DU STATUT ---
    public function pairingStatus($data) {
        if (empty($data['user_id'])) {
            http_response_code(400);
            echo json_encode(["success" => false, "message" => "ID utilisateur requis."]);
            return;
        }

        $result = $this->userModel->getPairingStatus($data['user_id']);
        http_response_code($result['success'] ? 200 : 400);
        echo json_encode($result);
    }

    // --- INTERCEPTE LA DÉLIAISON ---
    public function unlink($data) {
        if (empty($data['user_id'])) {
            http_response_code(400);
            echo json_encode(["success" => false, "message" => "ID utilisateur requis."]);
            return;
        }

        $result = $this->userModel->unlinkPartner($data['user_id']);
        http_response_code($result['success'] ? 200 : 400);
        echo json_encode($result);
    }
}