<?php

namespace App\Http\Controllers\Admin;

use App\Http\Controllers\Controller;
use App\Models\Setting;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\Mail;
use Illuminate\View\View;

class ContentController extends Controller
{
    /**
     * Display the layout and texts editor.
     */
    public function index(): View
    {
        return view('admin.content.index');
    }

    /**
     * Save updated settings and layout options.
     */
    public function update(Request $request): RedirectResponse
    {
        $fields = [
            // Brand & Theme
            'site_name',
            'site_tagline',
            'meta_description',
            'theme_palette',

            // Announcement
            'announcement_enabled',
            'announcement_text',
            'announcement_badge_1',
            'announcement_badge_2',

            // Hero
            'hero_badge',
            'hero_title',
            'hero_subtitle',
            'hero_primary_btn_text',
            'hero_primary_btn_url',
            'hero_secondary_btn_text',
            'hero_secondary_btn_url',
            'hero_stat_1_val',
            'hero_stat_1_lbl',
            'hero_stat_2_val',
            'hero_stat_2_lbl',
            'hero_stat_3_val',
            'hero_stat_3_lbl',
            'hero_card_badge',

            // Categories Section
            'categories_tag',
            'categories_title',
            'categories_subtitle',

            // Featured Products Section
            'featured_tag',
            'featured_title',
            'featured_subtitle',

            // USP / Quality Section
            'usp_tag',
            'usp_title',
            'usp_subtitle',
            'usp_1_title',
            'usp_1_desc',
            'usp_2_title',
            'usp_2_desc',
            'usp_3_title',
            'usp_3_desc',
            'usp_4_title',
            'usp_4_desc',
            'usp_btn_text',

            // Footer
            'footer_description',
            'footer_status_text',
            'footer_email',
            'footer_shipping_text',
            'footer_copyright',
            'footer_payment_text',

            // Offline / Maintenance Mode
            'shop_offline_title',
            'shop_offline_message',

            // 3D Print Kostprijscalculator Tarieven
            'calc_filament_price_kg',
            'calc_electricity_kwh',
            'calc_printer_wattage',
            'calc_machine_hourly_rate',
            'calc_handling_flat',
            'calc_default_markup',
            'calc_failure_rate',
        ];

        // Handle checkbox toggles that aren't present if unchecked
        if (! $request->has('announcement_enabled')) {
            Setting::set('announcement_enabled', '0');
        }

        if ($request->has('shop_offline_submitted')) {
            Setting::set('shop_offline', $request->boolean('shop_offline') ? '1' : '0');
        }

        foreach ($fields as $field) {
            if ($request->has($field)) {
                $value = $request->input($field);
                Setting::set($field, is_string($value) ? trim($value) : $value);
            }
        }

        Setting::flushCache();

        $tab = $request->input('active_tab');
        $redirect = $tab ? redirect()->route('admin.content.index', ['tab' => $tab]) : redirect()->route('admin.content.index');

        return $redirect->with('success', 'Layout en teksten zijn direct opgeslagen en live bijgewerkt in de webshop!');
    }

    /**
     * Reset specific settings or all back to default.
     */
    public function reset(): RedirectResponse
    {
        $keys = [
            'site_name', 'site_tagline', 'meta_description', 'theme_palette',
            'announcement_enabled', 'announcement_text', 'announcement_badge_1', 'announcement_badge_2',
            'hero_badge', 'hero_title', 'hero_subtitle', 'hero_primary_btn_text', 'hero_primary_btn_url',
            'hero_secondary_btn_text', 'hero_secondary_btn_url',
            'hero_stat_1_val', 'hero_stat_1_lbl', 'hero_stat_2_val', 'hero_stat_2_lbl', 'hero_stat_3_val', 'hero_stat_3_lbl',
            'hero_card_badge',
            'categories_tag', 'categories_title', 'categories_subtitle',
            'featured_tag', 'featured_title', 'featured_subtitle',
            'usp_tag', 'usp_title', 'usp_subtitle',
            'usp_1_title', 'usp_1_desc', 'usp_2_title', 'usp_2_desc', 'usp_3_title', 'usp_3_desc', 'usp_4_title', 'usp_4_desc',
            'usp_btn_text',
            'footer_description', 'footer_status_text', 'footer_email', 'footer_shipping_text', 'footer_copyright', 'footer_payment_text',
        ];

        foreach ($keys as $key) {
            Setting::forget($key);
        }

        Setting::flushCache();

        return redirect()->route('admin.content.index')
            ->with('success', 'Alle teksten en lay-out instellingen zijn hersteld naar de standaarden.');
    }

    /**
     * Send a test email to verify mail delivery (e.g. to Gmail).
     */
    public function sendTestMail(Request $request): RedirectResponse
    {
        $validated = $request->validate([
            'test_email' => 'required|email',
        ]);

        $recipient = $validated['test_email'];
        $defaultMailer = config('mail.default');
        $fromAddress = config('mail.from.address');
        $fromName = config('mail.from.name', 'Jouwdriedee.nl');
        $smtpHost = config('mail.mailers.smtp.host');
        $smtpPort = config('mail.mailers.smtp.port');

        try {
            Mail::html('
                <div style="font-family: -apple-system, BlinkMacSystemFont, \'Segoe UI\', Roboto, sans-serif; max-width: 600px; margin: 0 auto; padding: 24px; background: #ffffff; border-radius: 12px; border: 1px solid #e2e8f0;">
                    <div style="margin-bottom: 20px;">
                        <h2 style="margin: 0; color: #0f172a; font-size: 20px;">Test E-mail • Jouwdriedee.nl</h2>
                        <p style="color: #64748b; font-size: 13px; margin: 4px 0 0 0;">Deze e-mail bevestigt dat de e-mailverbinding succesvol tot stand is gebracht.</p>
                    </div>
                    <div style="background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 8px; padding: 16px; font-size: 13px; color: #334155; line-height: 1.6;">
                        <p style="margin: 0 0 8px 0;"><strong>Ontvanger:</strong> '.e($recipient).'</p>
                        <p style="margin: 0 0 8px 0;"><strong>Verzendende Driver:</strong> '.e($defaultMailer).'</p>
                        <p style="margin: 0 0 8px 0;"><strong>SMTP Server:</strong> '.e($smtpHost).':'.e($smtpPort).'</p>
                        <p style="margin: 0 0 8px 0;"><strong>Afzender:</strong> '.e($fromName).' &lt;'.e($fromAddress).'&gt;</p>
                        <p style="margin: 0;"><strong>Tijdstip:</strong> '.now()->format('d-m-Y H:i:s').'</p>
                    </div>
                    <p style="color: #94a3b8; font-size: 12px; margin-top: 20px;">Jouwdriedee.nl • 3D Printstudio & Webshop</p>
                </div>
            ', function ($message) use ($recipient, $fromAddress, $fromName) {
                $message->to($recipient)
                    ->from($fromAddress, $fromName)
                    ->subject('Test E-mail vanaf Jouwdriedee.nl');
            });

            if ($defaultMailer === 'log') {
                return redirect()->route('admin.content.index', ['tab' => 'email'])
                    ->with('warning', "De testmail is weggeschreven naar de serverlogs (MAIL_MAILER staat op 'log'). Er is GEEN echte e-mail naar {$recipient} verzonden. Stel op Coolify geldige SMTP-gegevens in (bijv. Brevo, Resend of je hosting SMTP) om echte e-mails te bezorgen.");
            }

            return redirect()->route('admin.content.index', ['tab' => 'email'])
                ->with('success', "Test e-mail succesvol overhandigd aan de SMTP-server ({$smtpHost}:{$smtpPort}) voor {$recipient}! Controleer zowel je inbox als je Spam/Ongewenst map.");
        } catch (\Throwable $e) {
            Log::error('Test mail error: '.$e->getMessage(), ['trace' => $e->getTraceAsString()]);

            return redirect()->route('admin.content.index', ['tab' => 'email'])
                ->with('error', "Fout bij verzenden van e-mail via {$defaultMailer}: ".$e->getMessage());
        }
    }

    /**
     * Toggle the webshop offline / online status.
     */
    public function toggleOffline(Request $request): RedirectResponse
    {
        $current = Setting::get('shop_offline', '0') === '1';
        $new = ! $current;
        Setting::set('shop_offline', $new ? '1' : '0');
        Setting::flushCache();

        $statusText = $new ? 'OFFLINE gezet' : 'weer ONLINE gezet';

        return redirect()->route('admin.content.index', ['tab' => 'offline'])
            ->with('success', "De webshop is direct {$statusText}!");
    }
}