<?php

namespace App\Http\Controllers;

use App\Models\OldPurchase;
use App\Models\PackageName;
use App\Models\Product;
use App\Models\User;
use App\Rules\MobileNumber;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Http;
use Illuminate\Support\Facades\Storage;

class AdminController extends Controller
{
    public function users(Request $request)
    {
        $data = $request->validate([
            'per_page' => 'integer',
            'mobile' => 'string',
            'package_name' => 'string',
        ]);

        $users = User::when(isset($data['package_name']), fn ($q) => $q->whereHas('packageNames', fn ($q2) => $q2->where('name', $data['package_name'])))
            ->when(isset($data['mobile']), fn ($q) => $q->where('mobile', $data['mobile']))
            ->paginate($data['per_page'] ?? 30);

        return $users;
    }

    public function getUserTransactions(Request $request, $mobile)
    {
        $data = $request->validate([
            'per_page' => 'integer'
        ]);

        if (!$user = User::where('mobile', $mobile)->first()) {
            return response()->json([
                'message' => 'user not found'
            ], 404);
        }

        $transactions = $user->transactions()->paginate($data['per_page'] ?? 30);

        return $transactions;
    }

    public function getUserStatus(Request $request, $mobile)
    {
        $data = $request->validate([
            'package_name' => 'string'
        ]);

        if (isset($data['package_name']) && !$packageName = PackageName::with('products')->where('name', $data['package_name'])->first()) {
            return response()->json([
                'message' => 'package name not found'
            ], 404);
        }

        if (!$user = User::with([
            'products' => fn ($q) => $q->when(isset($data['package_name']), fn ($q1) => $q1->where('package_name_id', $packageName->id)),
            'products.packageName'
        ])->where('mobile', $mobile)->first()) {
            return response()->json([
                'message' => 'user not found'
            ], 404);
        }

        return $user;
    }

    public function getUserStatusV1(Request $request, $mobile)
    {
        $data = $request->validate([
            'package_name' => 'string'
        ]);

        $userMobile = $mobile;
        if (isset($data['package_name']) && !$packageName = PackageName::with('products')
            ->where('name', $data['package_name'])->first()) {
            return response()->json([
                'message' => 'package name not found'
            ], 404);
        }

        if (!OldPurchase::when(isset($data['package_name']), fn ($q) => $q->where('package_name', $data['package_name']))
            ->where('mobile', preg_replace('/09/', '989', $userMobile, 1))->first()) {
            return response()->json([
                'message' => 'user is not paid'
            ], 400);
        }

        return response()->json([
            'message' => 'user is paid'
        ]);
    }

    public function subscribeUser(Request $request, $mobile)
    {
        $data = $request->validate([
            'product_id' => 'integer|required'
        ]);

        if (!$user = User::where('mobile', $mobile)->first()) {
            return response()->json([
                'message' => 'user not found'
            ], 404);
        }

        if (!$product = Product::where('id', $data['product_id'])->first()) {
            return response()->json([
                'message' => 'product not found'
            ], 404);
        }

        $product->buy($user);

        return response()->json([
            'message' => 'subscribed successfuly'
        ]);
    }

    public function unsubscribeUser(Request $request, $mobile)
    {
        $data = $request->validate([
            'product_id' => 'integer|required'
        ]);

        if (!$user = User::where('mobile', $mobile)->first()) {
            return response()->json([
                'message' => 'user not found'
            ], 404);
        }

        if (!$product = Product::where('id', $data['product_id'])->first()) {
            return response()->json([
                'message' => 'product not found'
            ], 404);
        }

        $user->products()->updateExistingPivot($product, ['expire_at' => now()->format('Y-m-d H:i:s')]);

        return response()->json([
            'message' => 'unsubscribed successfuly'
        ]);
    }

    public function deleteUser(Request $request, $mobile)
    {
        if (!$user = User::where('mobile', $mobile)->first()) {
            return response()->json([
                'message' => 'user not found'
            ], 404);
        }

        $user->delete();

        return response()->json([
            'message' => 'user deleted'
        ]);
    }

    public function updateUserProfile(Request $request, $mobile)
    {
        $data = $request->validate([
            'first_name' => 'string',
            'last_name' => 'string',
            'email' => 'email',
            'mobile' => [new MobileNumber, 'string'],
            'avatar' => 'image'
        ]);

        if (!$subjectUser = User::where('mobile', $mobile)->first()) {
            return response()->json([
                'message' => 'user not found'
            ], 404);
        }

        if (isset($data['email'])) {
            $user = User::where('email', $data['email'])->first();
            if ($user && $data['email'] != $subjectUser->email) {
                return response()->json([
                    'message' => 'user with given email exists'
                ], 400);
            }
        }

        if (isset($data['mobile'])) {
            $user = User::where('mobile', $data['mobile'])->first();
            if ($user && $data['mobile'] != $subjectUser->mobile) {
                return response()->json([
                    'message' => 'user with given email exists'
                ], 400);
            }
        }

        if (isset($data['avatar'])) {
            Storage::disk('public')->put("avatars/$user->uuid.png", file_get_contents($data['avatar']->path()));
            $data['avatar'] = "storage/avatars/$user->uuid.png";
        }

        $subjectUser->update($data);

        return response()->json([
            'message' => 'user updated'
        ]);
    }
}