<?php

namespace App\Http\Controllers\Api;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use App\Http\Controllers\Api\BaseAuthApiController as BaseAuthApiController;
use Illuminate\Support\Facades\Hash;
use App\Models\User;
use App\Models\Agent;
use App\Models\AgentUser;

class AuthApiController extends BaseAuthApiController
{
    public $_default_usertype = 'agents';
    public $_default_grant_two = 'agents';

    const AGENTS = 'agents';
    const GENERAL = 'general';

    //
    public function login(Request $request)
    {
        $validator = \Illuminate\Support\Facades\Validator::make($request->all(), [
            'username' => 'required|email',
            'password' => 'required'
        ]);
        if ($validator->fails()) {
            return $this->sendError('Validation Error.', $validator->errors());
        }

        if (!Auth::attempt(['email' => $request->username, 'password' => $request->password])) {
            return $this->sendError('Unauthorised.', ['error' => 'Unauthorised']);
        }
        $user = User::where('email', $request->username)->first();

        if (empty($user)) {
            $this->sendError('Error: ', ['error' => 'Email invalid']);
        }
        $data = [
            'id' => $user->id,
            'address' => $user->address,
            'avatar' => $user->avatar,
            'birthday' => $user->birthday,
            'email' => $user->email,
            'fullname' => $user->name,
            'gender' => $this->getGenderText($user->gender),
            'phone' => $user->phone,
            'last_login' => $user->last_login,
        ];
        //Find Agent USer 
        $agentUser = AgentUser::where('user_id', $user->id)->latest()->first();
        if (!empty($agentUser->agent_root_id)) {
            // Agent User Root
            $agentRootInfo = Agent::find($agentUser->agent_root_id);
        }
        if (!empty($agentUser->agent_id)) {
            // Agent User Current
            $myAgent = Agent::find($agentUser->agent_id);
        }

        $phone = $myAgent->phone ?? null;
        $data['general_agents_code'] = $agentRootInfo->code ?? '';
        $data['general_agents_name'] = $agentRootInfo->name ?? '';
        $data['downline_register'] = $this->getLinkParam('downline_register', $phone);
        $data['promotional_link'] = $this->getLinkParam('promotional_link', $phone);
        $data['role'] = $user->user_type;

        // Creating a token without scopes...
        $token = $user->createToken($user->id . ' token ' . time(), ['*'])->accessToken;

        $data['access_token'] = $token;
        $data['token_type'] = 'Bearer';
        $data['expires_in'] = 1296000;

        $user->update(['last_login' => new \DateTime()]);

        return response()->json($data, 200);
    }
    public function register(Request $request)
    {
        $validator = \Illuminate\Support\Facades\Validator::make($request->all(), [
            'email' => 'required|email',
            'fullname' => 'required'
        ]);
        if ($validator->fails()) {
            return $this->sendError('Validation Error.', $validator->errors());
        }
        if (empty($request->agents_code)) {
            return response()->json(['status' => true, 'message' => 'Đăng ký thất bại, vui lòng gửi lên mã đại lý.']);
        }
        $checkUserAgent = AgentUser::where('code', '=', $request->agents_code)->first();
        if (empty($checkUserAgent)) {
            return response()->json(['status' => true, 'message' => 'Đăng ký thất bại, Không tìm thấy đại lý.']);
        }

        $dataInsert = $this->transformRegisterData($request->all());
        
        if (!empty($dataInsert)) {
            $userId = \App\Models\User::insertGetId($dataInsert);
            if ($userId) {
                $dataAgentInsert = [
                    'name' => $dataInsert['name']??'',
                    'type' => self::AGENTS,
                    'grant' => $this->_default_grant_two
                ];
                $agentInsertId = Agent::insertGetId($dataAgentInsert);
                if($agentInsertId){
                    AgentUser::insert(['user_id' => $userId, 'agent_id' => $agentInsertId, 'status' => 1, 'code' => $dataInsert['phone']]);
                };
            }
            return response()->json(['status' => true, 'msg' => $this->getMessageReponse(1)]);
        }
        
        return response()->json(['status' => false, 'msg' => $this->getMessageReponse(2)]);
    }
    public function logout(Request $request)
    {
        $token = $request->user()->token();
        // expried token
        $token->revoke();

        // Response
        return response()->json([
            'status' => true,
            'message' => 'Đăng xuất thành công.'
        ]);
    }
    function transformRegisterData($data)
    {
        $finalData = [];
        if (!empty($data['email'])) {
            $finalData['email'] = $data['email'];
        }
        if (!empty($data['address'])) {
            $finalData['address'] = $data['address'];
        }
        if (!empty($data['birthday'])) {
            $finalData['birthday'] = $data['birthday'];
        }
        if (!empty($data['fullname'])) {
            $finalData['name'] = $data['fullname'];
        }
        if (!empty($data['phone'])) {
            $finalData['phone'] = $data['phone'];
        }
        $finalData['password'] = !empty($data['password']) ? Hash::make($data['password']) : Hash::make('1qaz2wsxA@');

        if (!empty($data['gender'])) {
            $finalData['gender'] = !empty($data['gender']) && $data['gender'] == 'male' ? 1 : 0;
        }
        $finalData['user_type'] = !empty($data['role']) ? $data['role'] : $this->_default_usertype;

        return $finalData;
    }
    function getMessageReponse($key)
    {
        $msg = [
            1 => "Tạo tài khoản thành công.",
            2 => "Tạo tài khoản thất bại.",
            3 => "Email đã tồn tại.",
            4 => "Email không hợp lệ.",
            5 => "Mật khẩu phải có ít nhất 8 ký tự, bao gồm chữ cái và số.",
            6 => "Tên đăng nhập phải có ít nhất 6 ký"
        ];
        return $msg[$key] ?? '';
    }
    function getGenderText($gender)
    {
        if ($gender == 1) {
            return 'male';
        }
        if ($gender == 2) {
            return 'female';
        }
        return null;
    }
    function getLinkParam($type, $phone)
    {
        $arr = [
            'downline_register' => 'daisu.sundayenglish.com/dk',
            'promotional_link' => 'thongtin.sundayenglish.com'
        ];
        $domain = $arr[$type] ?? '';
        if (empty($phone)) {
            return $domain;
        } else {
            $params = http_build_query(['mds' => $phone]);
            return $domain . '?' . $params;
        }

    }
}