<?php

namespace App\Controllers;

use App\Core\Controller;
use App\Services\ApkService;

class HomeController extends Controller {
    
    public function index() {
        $category = $_GET['category'] ?? null;
        $search = $_GET['search'] ?? null;
        
        $apkService = new ApkService();
        $apks = $apkService->getAllApks($category, $search);
        
        $this->view('home', [
            'apks' => $apks,
            'title' => get_setting('site_name', 'ApkNusa') . __('home_title_suffix')
        ]);
    }

    public function apkDetail($params) {
        $slug = $params['slug'];
        $db = db_pdo();
        $stmt = $db->prepare("SELECT * FROM apks WHERE slug = ?");
        $stmt->execute([$slug]);
        $apk = $stmt->fetch();

        if (!$apk) {
            $this->redirect('/');
        }

        // Store referral code if present specifically for this APK
        if (isset($_GET['ref'])) {
            $_SESSION['ref_download_' . $apk['id']] = $_GET['ref'];
        }

        $this->view('apk_detail', [
            'apk' => $apk,
            'title' => $apk['title'] . ' - ' . get_setting('site_name', 'ApkNusa')
        ]);
    }

    public function download($params) {
        $slug = $params['slug'];
        $db = db_pdo();
        $stmt = $db->prepare("SELECT * FROM apks WHERE slug = ?");
        $stmt->execute([$slug]);
        $apk = $stmt->fetch();

        if (!$apk) {
            $this->redirect('/');
        }

        // Increment download count
        $stmt = $db->prepare("UPDATE apks SET total_downloads = total_downloads + 1 WHERE id = ?");
        $stmt->execute([$apk['id']]);

        // Referral logic
        $ref_key = 'ref_download_' . $apk['id'];
        if (isset($_SESSION['ref_download_' . $apk['id']])) {
            $ref_code = $_SESSION['ref_download_' . $apk['id']];
            
            // Find the user who owns this referral code
            $stmt = $db->prepare("SELECT * FROM users WHERE referral_code = ?");
            $stmt->execute([$ref_code]);
            $referrer = $stmt->fetch();

            if ($referrer) {
                // Award points/money to referrer
                // For example, 100 rupiah per download
                $stmt = $db->prepare("UPDATE users SET balance = balance + 100 WHERE id = ?");
                $stmt->execute([$referrer['id']]);
            }

            unset($_SESSION[$ref_key]);
        }

        header('Location: ' . $apk['download_url']);
        exit;
    }

    public function helpCenter() {
        $this->view('help_center', [
            'title' => __('help_center') . ' - ' . get_setting('site_name', 'ApkNusa')
        ]);
    }

    public function privacyPolicy() {
        $this->view('privacy_policy', [
            'title' => __('privacy_policy') . ' - ' . get_setting('site_name', 'ApkNusa')
        ]);
    }

    public function termsOfService() {
        $this->view('terms_of_service', [
            'title' => __('terms_of_service') . ' - ' . get_setting('site_name', 'ApkNusa')
        ]);
    }
}