<?php

namespace App\Http\Controllers\Api;

use App\Models\Answer;
use App\Models\ProblemRecommend;
use App\Models\UsefulCount;
use App\Services\ProblemService;
use App\Services\ToolsServices;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Cache;
use Illuminate\Support\Facades\DB;

class Problem
{
    public function getProblemList(Request $request)
    {
        $limit = $request->input('limit', 10);
        $page = $request->input('page', 1);
        $list = \App\Models\Problem::getList($page,$limit);
        $data = ProblemService::problems($list);
        return ToolsServices::returnAdmin(0,$data);
    }
    public function getProblemRecommend(Request $request)
    {
        $limit = $request->input('limit', 10);
        $page = $request->input('page', 1);
        $data = ProblemService::getProblemRecommendList($limit,$page);
        return ToolsServices::returnAdmin(0,$data);
    }
    public function recommend(Request $request)
    {
        $id = Cache::get($request->header('token'));
        $problem_id = $request->input('problem_id');
        $at_user_id = $request->input('at_user_id','');
        $text = $request->input('text');
        $input = [
            'problem_id' => $problem_id,
            'text' => $text,
            'user_id' => $id,
        ];
        if (!empty($input)) {
            $input['at_user_id'] = $at_user_id;
        }
        DB::transaction(function () use ($input,$problem_id) {
            ProblemRecommend::insertData($input);
            \App\Models\Problem::countIncrement($problem_id,'recommend_count');
        });
        return ToolsServices::returnAdmin(0,[]);
    }
    public function useful(Request $request)
    {
        $id = Cache::get($request->header('token'));
        $problem_id = $request->input('problem_id');
        DB::transaction(function () use ($problem_id,$id) {
            if (!UsefulCount::getInfo($problem_id)){
                UsefulCount::insertData(['problem_id' => $problem_id,'user_id'=>$id]);
            }
            \App\Models\Problem::countIncrement($problem_id,'useful_count');
        });
        return ToolsServices::returnAdmin(0,[]);
    }
    public function questioning(Request $request)
    {
        $id = Cache::get($request->header('token'));
        $title = $request->input('title');
        if (empty($title)) {
            return ToolsServices::error('请填写问题');
        }
        $label = $request->input('label',[]);
        $input = [
            'user_id' => $id,
            'title' => $title,
        ];
        if (!empty($label)) {
            $input['label'] = json_encode($label);
        }
        \App\Models\Problem::insertData($input);
        return ToolsServices::returnAdmin(0,[]);
    }
    public function reply(Request $request)
    {
        $id = Cache::get($request->header('token'));
        $problem_id = $request->input('problem_id');
        if (empty($problem_id)) {
            return ToolsServices::error('请选择问题');
        }
        $answer = $request->input('answer');
        if (empty($answer)) {
            return ToolsServices::error('回答不能空');
        }
        $input = [
            'user_id' => $id,
            'problem_id' => $problem_id,
            'answer' => $answer,
        ];
        Answer::insertData($input);
        return ToolsServices::returnAdmin(0,[]);
    }
}