<?php

namespace App\Http\Controllers;

use App\Models\NotificationLog;
use App\Models\User;
use Illuminate\Http\Request;
use Inertia\Inertia;
use Illuminate\Support\Facades\Log;

class NotificationController extends Controller
{
    public function index(Request $request)
    {
        $logs = NotificationLog::with(['targetUser', 'sender'])
            ->latest()
            ->paginate(10);

        $users = User::select('id', 'first_name', 'last_name', 'email')
            ->where('status', 'active')
            ->get();

        return Inertia::render('Notifications/Index', [
            'logs' => [
                'data'  => $logs->items(),
                'meta'  => [
                    'current_page' => $logs->currentPage(),
                    'last_page'    => $logs->lastPage(),
                    'total'        => $logs->total(),
                    'per_page'     => $logs->perPage(),
                ],
                'links' => $logs->linkCollection()->toArray(),
            ],
            'users' => $users,
        ]);
    }

    public function store(Request $request)
    {
        $validated = $request->validate([
            'title' => 'required|string|max:255',
            'body' => 'required|string',
            'image_url' => 'nullable|url',
            'deep_link' => 'nullable|string',
            'target_type' => 'required|in:all,individual',
            'target_user_id' => 'required_if:target_type,individual|nullable|exists:users,id',
        ]);

        try {
            // Mocking FCM Sending logic
            // In production, use Kreait/Firebase-PHP or Laravel-Notification-Channels/WebPush
            $status = 'sent';
            $errorMessage = null;

            // Log the notification
            NotificationLog::create([
                'title' => $validated['title'],
                'body' => $validated['body'],
                'image_url' => $validated['image_url'],
                'deep_link' => $validated['deep_link'],
                'target_type' => $validated['target_type'],
                'target_user_id' => $validated['target_user_id'],
                'sender_id' => auth()->id(),
                'status' => $status,
                'error_message' => $errorMessage,
            ]);

            return back()->with('success', 'Notification dispatched successfully.');
        } catch (\Exception $e) {
            Log::error('FCM Error: ' . $e->getMessage());
            return back()->with('error', 'Failed to send notification: ' . $e->getMessage());
        }
    }
}