<?php

namespace App\Http\Controllers\Web;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use App\Http\Services\Web\Api2021Service;
use Illuminate\Support\Facades\Validator;
use App\Http\Services\ConstDef\GeneralConst;
use App\Http\Services\CheckParamService;
use Gregwar\Captcha\CaptchaBuilder;
use Aws\CloudFront;
use Illuminate\Support\Str;
use Ramsey\Uuid\Uuid;

class Api2021Controller extends Controller
{
    
    private $aSv;
    private $checkParamSv;
    private $captcha;
    
    public function __construct()
    {
        session_start();
        $this->aSv = new Api2021Service();
        $this->checkParamSv = new CheckParamService();
        $this->captcha = new CaptchaBuilder();
        $this->captcha->build();
    }
    
    public function setdoc(Request $request)
    {
        // 參數驗證
        $messages = [
            'doc.required' => '圖片必填',
        ];
        $validate = Validator::make($request->all(), [
            'doc' => 'required',
        ], $messages);
        if ($validate->fails()) {
            $err = $validate->errors();
            $err_msg = "";
            foreach ($err->all() as $item) {
                $err_msg .= $item . "\n";
            }
            
            return response()->json(["succ" => false, "err" => $err_msg]);
        } else {
            $doc = $request->input('doc', '');
            $doc = explode(',', $doc);
            $doc = base64_decode($doc[1]);
        }
        $data = $this->aSv->setdoc($doc);
        
        // 返回
        return response()->json(["succ" => true, "err" => '', "data" => $data]);
    }
    
    public function setinfo(Request $request)
    {
        // 參數驗證
        $messages = [
            'image_uri.nullable'    => '',
            'image_uri.regex'       => '圖片路徑格式錯誤',
            'nickname.required'     => '暱稱必填',
            'nickname.max'          => '暱稱最多64字', // 格式的一半
            'memo.nullable'         => '',
            'memo.max'              => '留言最多1024字', // 格式的一半
            'hash.nullable'         => '',
            'hash.max'              => 'TAG最多64字', // 格式的一半
            'name.required'         => '姓名必填',
            'name.max'              => '姓名最多32字', // 格式的一半
            'tel.required'          => '電話必填',
            'tel.max'               => '電話最多32字',
            'email.required'        => '信箱必填',
            'email.max'             => '信箱最多128字',
            'email.email'           => '信箱格式錯誤',
            'zone.required'         => '地區必填',
            'zone.max'              => '地區最多16字', // 格式的一半
            'utm_source.nullable'   => '',
            'utm_source.max'        => 'utm_source 20字以內',
            'utm_medium.nullable'   => '',
            'utm_medium.max'        => 'utm_medium 20字以內',
            'utm_campaign.nullable' => '',
            'utm_campaign.max'      => 'utm_campaign 20字以內',
        ];
        $validate = Validator::make($request->all(), [
            'image_uri'    => ['regex:/^pr(e|o)\/202(1|2)-[0-9]{2}-[0-9]{2}\/[0-9]{10}\.jpg$/'],
            'nickname'     => 'max:128',
            'memo'         => 'max:2048',
            'hash'         => 'max:128',
            'name'         => 'required|max:64',
            'tel'          => 'required|max:32',
            'email'        => 'required|max:128|email',
            'zone'         => 'required|max:32',
            'utm_source'   => 'nullable|max:20',
            'utm_medium'   => 'nullable|max:20',
            'utm_campaign' => 'nullable|max:20',
        ], $messages);
        if ($validate->fails()) {
            $err = $validate->errors();
            $err_msg = "";
            foreach ($err->all() as $item) {
                $err_msg .= $item . "\n";
            }
            
            return response()->json(["succ" => false, "err" => $err_msg]);
        } else {
            $info = [
                'image_uri'    => $request->input('image_uri', ''),
                'nickname'     => $request->input('nickname', '') ?? '',
                'memo'         => $request->input('memo', ''),
                'hash'         => $request->input('hash', ''),
                'name'         => $request->input('name', ''),
                'tel'          => $request->input('tel', ''),
                'email'        => $request->input('email', ''),
                'zone'         => $request->input('zone', ''),
                'utm_source'   => $request->input('utm_source', ''),
                'utm_medium'   => $request->input('utm_medium', ''),
                'utm_campaign' => $request->input('utm_campaign', ''),
            ];
        }
        // 業務邏輯: 保存訊息
        $this->aSv->setinfo($info);
        
        // 返回
        return response()->json(["succ" => true, "err" => '']);
    }
    
    public function counterGet($type)
    {
        // 業務邏輯: 保存訊息
        $cnt = $this->aSv->counterGet($type);
        
        // 返回
        return response()->json(["succ" => true, "err" => '', "cnt" => $cnt]);
    }
    
    public function counterSet($type)
    {
        // 業務邏輯: 設定訊息
        $this->aSv->counterSet($type);
        
        // 返回
        return response()->json(["succ" => true, "err" => '']);
    }
    
    public function reset()
    {
        $this->aSv->reset();
        
        // 返回
        return response()->json(["succ" => true, "err" => '']);
    }

    public function cdnInvalidation(Request $request)
    {
        $path = $request->input('path');

        $client = new CloudFront\CloudFrontClient([
            'region'  => env('AWS_S3_REGION'),
            'version' => 'latest',
            'credentials' => [
                'key'    => env('AWS_CDN_KEY'),
                'secret' => env('AWS_CDN_SECRET'),
            ],
        ]);

        $result = $client->createInvalidation([
            'DistributionId' => env('AWS_CDN_ID'),
            'InvalidationBatch' => [
                'CallerReference' => time() . Uuid::uuid4()->toString(),
                'Paths' => [
                    'Items' => [$path],
                    'Quantity' => 1,
                ],
            ],
        ]);

        return '進行中，根據檔案數量請等待數秒至數分鐘不等。';
    }

}