<?php

namespace App\Http\Controllers;

use App\Models\View;
use App\Models\ProgressChapter;
use App\Models\PaliText;
use Illuminate\Http\Request;
use Illuminate\Support\Str;
use Illuminate\Support\Facades\Log;

class ViewController extends Controller
{
    private function getTargetId($request){
        /*
        *根据target type 和不同类型的不同参数
        */
        $target_id = FALSE;
        switch ($request->get("target_type")) {
            case 'chapter-instance':
                # code...
                $target_id = $request->get("target_id");
                break;
            case 'chapter':
                # code...
                $channel = $request->get("channel");
                $book = $request->get("book");
                $para = $request->get("para");
                $target_id = ProgressChapter::where("channel_id",$request->get("channel"))
                                            ->where("book",$request->get("book"))
                                            ->where("para",$request->get("para"))
                                            ->value("uid");
                break;
            case 'article-instance':
                # code...
                break;
            case 'article':
                # code...
                break;
            default:
                $target_id = $request->get("target_id");
                # code...
                break;
        }
        if(Str::isUuid($target_id)){
            return $target_id;
        }else{
            return false;
        }

    }
    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function index(Request $request)
    {
        //
        switch ($request->get("view")) {
            case 'count':
                #获取 target id
                $target_id = $this->getTargetId($request);
                if($target_id){
                    $count = View::where("target_id",$target_id)->count();
                }else{
                    $count = 0;
                }
                return $this->ok($count);
                break;
            case 'user-recent':
                if(!isset($_COOKIE["user_uid"])){
                    return $this->error("no login");
                }
                $user_id = $_COOKIE["user_uid"];
				$views =  View::where("user_id",$user_id)->orderBy('created_at','desc');
				if($request->has("take")){
					$views = $views->take($request->get("take"));
				}else{
					$views = $views->take(10);
				}
                $items = $views->get();

                return $this->ok($items);
                break;
            default:
                # code...
                break;
        }

    }

    /**
     * Store a newly created resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\Response
     */
    public function store(Request $request)
    {
        /*
        $rules = array(
            'target_type' => 'required'
        );
        $validator = Validator::make($request->all(), $rules);

        // process the login
        if ($validator->fails()) {
            return $this->error($validator);
        }
*/
        //根据target type 获取 target id
        $target_id = $this->getTargetId($request);
        $clientIp = request()->ip();
        $param = [
            'target_id' => $target_id,
            'target_type' => $request->get("target_type"),
        ];
        if(isset($_COOKIE['user_uid'])){
            //已经登陆
            $user_id = $_COOKIE['user_uid'];
            $param['user_id'] = $user_id;
        }else{
            $param['user_ip'] = $clientIp;
        }

        $new = View::firstOrNew($param);
        $new->user_ip = $clientIp;

		switch($request->get("target_type")){
			case "chapter":
				$new->title = ProgressChapter::where("channel_id",$request->get("channel"))
                                            ->where("book",$request->get("book"))
                                            ->where("para",$request->get("para"))
                                            ->value("title");
				$new->org_title = PaliText::where("book",$request->get("book"))
										->where("paragraph",$request->get("para"))
										->value("toc");
				//获取标题 成功

				$new->meta = \json_encode([
					"book"=>$request->get("book"),
					"para"=>$request->get("para"),
					"channel"=>$request->get("channel"),
				]);
				//获取meta数据成功

				break;
		}
		$new->count = $new->count+1;
        $new->save();
		//保存成功

        $count = View::where("target_id",$new->target_id)->count();
        return $this->ok($count);
    }

    /**
     * Display the specified resource.
     *
     * @param  \App\Models\View  $view
     * @return \Illuminate\Http\Response
     */
    public function show(View $view)
    {
        //

    }

    /**
     * Update the specified resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \App\Models\View  $view
     * @return \Illuminate\Http\Response
     */
    public function update(Request $request, View $view)
    {
        //
    }

    /**
     * Remove the specified resource from storage.
     *
     * @param  \App\Models\View  $view
     * @return \Illuminate\Http\Response
     */
    public function destroy(View $view)
    {
        //
    }
}