<?php

declare(strict_types=1);

namespace App\Http\Controllers;

use App\Models\NotificationSetting;
use App\Services\NotificationDispatcher;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\View\View;

class NotificationSettingController extends Controller
{
    public function index(): View
    {
        $settings = NotificationSetting::orderBy('channel')->orderBy('name')->get();

        return view('settings.notifications', compact('settings'));
    }

    public function store(Request $request): RedirectResponse
    {
        $validated = $request->validate([
            'name'                 => 'required|string|max:100',
            'channel'              => 'required|in:email,telegram,whatsapp',
            'triggers'             => 'nullable|array',
            'triggers.*'           => 'in:upcoming_event,invoice_due,content_due',
            'notify_before_hours'  => 'nullable|integer|min:1|max:720',
            // Email
            'config.to_email'      => 'required_if:channel,email|nullable|email',
            // Telegram
            'config.bot_token'     => 'required_if:channel,telegram|nullable|string',
            'config.chat_id'       => 'required_if:channel,telegram|nullable|string',
            // WhatsApp (WAHA)
            'config.waha_url'      => 'required_if:channel,whatsapp|nullable|url',
            'config.waha_session'  => 'required_if:channel,whatsapp|nullable|string',
            'config.phone'         => 'required_if:channel,whatsapp|nullable|string',
        ]);

        NotificationSetting::create([
            'name'                => $validated['name'],
            'channel'             => $validated['channel'],
            'config'              => $validated['config'] ?? [],
            'triggers'            => $validated['triggers'] ?? [],
            'notify_before_hours' => $validated['notify_before_hours'] ?? 24,
            'is_enabled'          => true,
        ]);

        return back()->with('success', '🔔 Notification channel added!');
    }

    public function update(Request $request, NotificationSetting $setting): RedirectResponse
    {
        $validated = $request->validate([
            'name'                 => 'required|string|max:100',
            'triggers'             => 'nullable|array',
            'triggers.*'           => 'in:upcoming_event,invoice_due,content_due',
            'notify_before_hours'  => 'nullable|integer|min:1|max:720',
            'config'               => 'nullable|array',
        ]);

        $setting->update([
            'name'                => $validated['name'],
            'triggers'            => $validated['triggers'] ?? [],
            'notify_before_hours' => $validated['notify_before_hours'] ?? $setting->notify_before_hours,
            'config'              => $validated['config'] ?? $setting->config,
        ]);

        return back()->with('success', '🔔 Notification updated!');
    }

    public function destroy(NotificationSetting $setting): RedirectResponse
    {
        $setting->delete();

        return back()->with('success', '🔔 Channel removed.');
    }

    public function toggle(NotificationSetting $setting): RedirectResponse
    {
        $setting->update(['is_enabled' => ! $setting->is_enabled]);

        return back()->with('success', $setting->is_enabled ? '🔔 Enabled!' : '🔕 Disabled.');
    }

    public function test(NotificationSetting $setting): RedirectResponse
    {
        try {
            app(NotificationDispatcher::class)->sendTest($setting);
            return back()->with('success', '✅ Test notification sent!');
        } catch (\Throwable $e) {
            return back()->with('error', '❌ Failed: ' . $e->getMessage());
        }
    }
}