<?php

namespace App\Http\Controllers\Admin;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use App\Models\User;
use App\Models\Paket;
use App\Models\Sewa;
use Carbon\Carbon;
use Illuminate\Support\Facades\Auth;

class DashboardController extends Controller
{
    public function index()
    {
        // Mengambil statistik
        $stats = [
            'users' => User::where('role', 'customer')->count(),
            'packages' => Paket::count(),
            'rentals' => Sewa::whereIn('status', ['disetujui', 'selesai'])->count(),
            'revenue' => Sewa::where('status', 'selesai')->sum('total_harga')
        ];

        // Mengambil aktivitas terbaru
        $activities = $this->getRecentActivities();

        // Mengambil pesanan yang dibatalkan terbaru (untuk notifikasi)
        $recentCancellations = Sewa::with(['user', 'paket'])
            ->where('status', 'dibatalkan')
            ->whereNotNull('detail_status')
            ->latest()
            ->take(5)
            ->get();

        return view('admin.dashboard', compact('stats', 'activities', 'recentCancellations'));
    }

    private function getRecentActivities()
    {
        $activities = [];

        // Aktivitas sewa terbaru
        $recentRentals = Sewa::with(['user', 'paket'])
            ->whereIn('status', ['disetujui', 'selesai'])
            ->latest()
            ->take(5)
            ->get();

        foreach ($recentRentals as $rental) {
            $activities[] = [
                'title' => 'Sewa Baru',
                'description' => "{$rental->user->name} menyewa paket {$rental->paket->nama_paket}",
                'time' => Carbon::parse($rental->created_at)->diffForHumans(),
                'color' => 'blue',
                'icon' => 'M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2'
            ];
        }

        // Aktivitas pembayaran
        $recentPayments = Sewa::where('status', 'selesai')
            ->latest()
            ->take(5)
            ->get();

        foreach ($recentPayments as $payment) {
            $activities[] = [
                'title' => 'Pembayaran Selesai',
                'description' => "Pembayaran sewa paket {$payment->paket->nama_paket} oleh {$payment->user->name}",
                'time' => Carbon::parse($payment->updated_at)->diffForHumans(),
                'color' => 'green',
                'icon' => 'M9 12l2 2 4-4m6 2a9 9 0 11-18 0 9 9 0 0118 0z'
            ];
        }

        // Aktivitas pembatalan
        $recentCancellations = Sewa::with(['user', 'paket'])
            ->where('status', 'dibatalkan')
            ->latest()
            ->take(3)
            ->get();

        foreach ($recentCancellations as $cancellation) {
            $activities[] = [
                'title' => 'Pesanan Dibatalkan',
                'description' => "{$cancellation->user->name} membatalkan pesanan paket {$cancellation->paket->nama_paket}",
                'time' => Carbon::parse($cancellation->updated_at)->diffForHumans(),
                'color' => 'red',
                'icon' => 'M6 18L18 6M6 6l12 12'
            ];
        }

        // Urutkan berdasarkan waktu terbaru
        usort($activities, function($a, $b) {
            return strtotime($b['time']) - strtotime($a['time']);
        });

        return array_slice($activities, 0, 5);
    }

    /**
     * Menampilkan halaman daftar pesanan yang dibatalkan
     */
    public function cancelledOrders()
    {
        if (Auth::user()->tipe_pengguna !== 'admin') {
            return redirect()->route('dashboard')->with('error', 'Akses ditolak.');
        }

        $cancelledOrders = Sewa::with(['user', 'paket', 'kota'])
            ->where('status', 'dibatalkan')
            ->orderBy('updated_at', 'desc')
            ->paginate(15);

        return view('admin.cancelled-orders', compact('cancelledOrders'));
    }

    /**
     * Menampilkan detail pesanan yang dibatalkan
     */
    public function showCancelledOrder($id)
    {
        if (Auth::user()->tipe_pengguna !== 'admin') {
            return redirect()->route('dashboard')->with('error', 'Akses ditolak.');
        }

        $sewa = Sewa::with(['user', 'paket', 'kota'])->findOrFail($id);

        if ($sewa->status !== 'dibatalkan') {
            return redirect()->route('admin.cancelled-orders')->with('error', 'Pesanan ini tidak dibatalkan.');
        }

        return view('admin.cancelled-order-detail', compact('sewa'));
    }

    /**
     * API untuk mendapatkan jumlah pesanan yang dibatalkan (untuk notifikasi)
     */
    public function getCancelledOrdersCount()
    {
        if (Auth::user()->tipe_pengguna !== 'admin') {
            return response()->json(['error' => 'Unauthorized'], 403);
        }

        $count = Sewa::where('status', 'dibatalkan')
            ->whereNotNull('detail_status')
            ->where('updated_at', '>=', now()->subDays(7)) // Hanya 7 hari terakhir
            ->count();

        return response()->json(['count' => $count]);
    }

    /**
     * API untuk mendapatkan notifikasi pembatalan terbaru
     */
    public function getRecentCancellations()
    {
        if (Auth::user()->tipe_pengguna !== 'admin') {
            return response()->json(['error' => 'Unauthorized'], 403);
        }

        $recentCancellations = Sewa::with(['user', 'paket'])
            ->where('status', 'dibatalkan')
            ->whereNotNull('detail_status')
            ->where('updated_at', '>=', now()->subHours(24)) // Hanya 24 jam terakhir
            ->orderBy('updated_at', 'desc')
            ->take(5)
            ->get()
            ->map(function ($cancellation) {
                return [
                    'id' => $cancellation->id,
                    'user_name' => $cancellation->user->name ?? 'N/A',
                    'paket_name' => $cancellation->paket->nama ?? 'N/A',
                    'alasan' => $cancellation->detail_status,
                    'cancelled_at' => $cancellation->updated_at->diffForHumans(),
                    'total_harga' => number_format($cancellation->total_harga, 0, ',', '.')
                ];
            });

        return response()->json(['cancellations' => $recentCancellations]);
    }
}