<?php

namespace App\Http\Controllers\Admin;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Mail;
use Illuminate\Support\Facades\Hash;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Session;
use Carbon\Carbon;
use Validator;
use App\Models\Admin\manage_admin;
use App\Mail\Backend\AdminOtp;

class AdminLoginController extends Controller {

    public function index() {
        return view('Admin.sign_in');
    }

    public function two_steps() {
        return view('Admin.two_steps');
    }

    public function login(Request $request) {
        $validator = Validator::make($request->all(), [
                    'email' => [
                        'required',
                        'email',
                    ],
                    'password' => [
                        'required',
                        'min:8'
                    ],
                        ], [
                    'email.required' => 'Please enter your email address.',
                    'email.email' => 'Please enter a valid email address.',
                    'password.required' => 'Please enter a password.',
                    'password.min' => 'Your password must be at least :min characters.',
        ]);

        if ($validator->fails()) {
            return response()->json(['error' => $validator->errors(), 'status' => 204]);
        }

//        try {
        $pin = intval($request->digit_pin);

        $admin = manage_admin::where('email', $request->email)
                ->where('pin', $pin)
                ->where('status', 1)
                ->first();

        $credentials = [
            'email' => $request->email,
            'password' => $request->password,
        ];

        if ($admin && Hash::check($request->password, $admin->password)) {

            $otp = rand(1234, 9999);
            if (isset($admin)) {
                Session::put('email', $request->email);
                $admin->otp = $otp;
                $admin_name = $admin->name;
                $admin->expire_at = Carbon::now('Asia/colombo')->addMinutes(2);
                $admin->update();
                Session::put('expire_at', $admin->expire_at);
                $mailData = [
                    'email' => $request->email,
                    'name' => $admin_name,
                    'otp' => $otp,
                ];
                $check = Mail::to($request->email)->send(new AdminOtp($mailData));

//                    dd($mailData);
            }
            $sessionDetails = Session::put('data', $admin);

            return response()->json(['message' => 'Credentials Verified Successfully', 'type' => 'admin', 'status' => 200]);
        } else {
            return response()->json([
                        'status' => 401,
                        'message' => 'Invalid Credentials',
            ]);
        }
//        } catch (\Exception $e) {
//            return response()->json(['error' => 'Netwrok Error! Please try again after sometime.']);
//        }
    }

    public function verifyOtp(Request $request) {
        $validator = Validator::make($request->all(), [
                    'email' => [
                        'required',
                        'email',
                    ],
                    'otp' => [
                        'required',
                    ],
                        ], [
                    'email.required' => 'Please enter your email address.',
                    'email.email' => 'Please enter a valid email address.',
                    'otp.required' => 'Please enter the OTP.',
        ]);

        if ($validator->fails()) {
            return response()->json(['error' => $validator->errors(), 'status' => 204]);
        }

//        try {
        $admin = manage_admin::where('email', $request->email)
                ->where('otp', $request->otp)
                ->where('status', 1)
                ->where('expire_at', '>', Carbon::now('Asia/colombo'))
                ->first();
//             dd($admin);

        if ($admin) {
            Auth::guard('admin')->login($admin);
            $admin->update([
                'last_login' => now(),
            ]);
            return response()->json([
                        'message' => 'Logged in Successfully',
                        'data' => [
                            'name' => $admin->name,
                        ],
                        'type' => 'admin',
                        'status' => 200,
            ]);
        } else {
            return response()->json([
                        'status' => 401,
                        'success' => '0',
                        'message' => 'Invalid OTP or expired.',
            ]);
        }
//        } catch (\Exception $e) {
//            return response()->json(['error' => 'Network Error! Please try again after some time.']);
//        }
    }

    public function resendOtp(Request $request) {
        $validator = Validator::make($request->all(), [
                    'email' => [
                        'required',
                        'email',
                    ],
                        ], [
                    'email.required' => 'Please enter your email address.',
                    'email.email' => 'Please enter a valid email address.',
        ]);

        if ($validator->fails()) {
            return response()->json(['error' => $validator->errors(), 'status' => 204]);
        }

        try {
            $admin = manage_admin::where('email', $request->email)
                    ->where('status', 1)
                    ->first();

            if ($admin) {
                $otp = rand(1234, 9999);

                $admin->otp = $otp;
                $admin->expire_at = Carbon::now('Asia/Colombo')->addMinutes(2);
                $admin->update();

                $mailData = [
                    'email' => $request->email,
                    'name' => $admin->name,
                    'otp' => $otp,
                ];
                Mail::to($request->email)->send(new AdminOtp($mailData));

                return response()->json([
                            'message' => 'OTP has been resent to your email address.',
                            'status' => 200,
                ]);
            } else {
                return response()->json([
                            'status' => 401,
                            'message' => 'Invalid email address or user does not exist.',
                ]);
            }
        } catch (\Exception $e) {
            return response()->json(['error' => 'Network Error! Please try again after some time.']);
        }
    }

//    public function logout()
//    {
////        if (Auth::guard('admin')->check()) {    
////            Auth::guard('admin')->logout(); 
////        }
//        $admin = auth()->guard('admin')->user();
//        if ($admin) {    
//            $admin->logout(); 
//        }
//        return redirect()->route('admin_sign_in');
//
//    }

    public function logout() {
        auth()->guard('admin')->logout();
        return redirect('/admin_sign_in'); // Redirect to your login page
    }

}