<?php

namespace Hpz937\BillReminder\Controller;

use Hpz937\BillReminder\Bill\Bill;
use Hpz937\BillReminder\Database\SQLiteAdapter;

class ApiController {
    protected $db;

    public function __construct() {
        $this->db = new SQLiteAdapter();
    }

    public function getBills() {
        if (!isset($_SESSION['user_id'])) {
            echo json_encode(['error' => 'Unauthorized']);
            http_response_code(401);
            exit;
        }

        $billManager = new Bill($this->db);
        $userId = $_SESSION['user_id'];
        $bills = $billManager->getBillsByUserId($userId);

        header('Content-Type: application/json');
        echo json_encode($bills);
    }

    public function addBill() {
        if (!isset($_SESSION['user_id'])) {
            echo json_encode(['error' => 'Unauthorized or Invalid Request']);
            http_response_code(401);
            return;
        }

        $userId = $_SESSION['user_id'];
        $description = $_POST['description'] ?? '';
        $amount = $_POST['amount'] ?? '';
        $dueDate = $_POST['due_date'] ?? '';

        // Perform necessary validation on inputs

        $billManager = new Bill($this->db);
        $result = $billManager->addBill($userId, $description, $amount, $dueDate);

        if ($result) {
            echo json_encode(['success' => 'Bill added successfully']);
        } else {
            http_response_code(500);
            echo json_encode(['error' => 'Failed to add bill']);
        }
    }

    public function markBillPaid() {
        if (!isset($_SESSION['user_id'])) {
            echo json_encode(['error' => 'Unauthorized or Invalid Request']);
            http_response_code(401);
            return;
        }

        $json = json_decode(file_get_contents("php://input"), true);
        $billId = $json['id'] ?? '';

        // Perform necessary validation on inputs

        $billManager = new Bill($this->db);
        $result = $billManager->markAsPaid($billId);

        if ($result) {
            echo json_encode(['success' => 'Bill marked as paid']);
        } else {
            http_response_code(500);
            echo json_encode(['error' => 'Failed to mark bill as paid']);
        }
    }
}