<?php

namespace App\Http\Controllers;

use App\Models\Sentence;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Cache;
use Illuminate\Support\Facades\DB;

class SentenceInfoController extends Controller
{
    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function index()
    {
        //
    }

    /**
     * Show the form for creating a new resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function create()
    {
        //
    }

    /**
     * Store a newly created resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\Response
     */
    public function store(Request $request)
    {
        //
    }

    /**
     * Display the specified resource.
     *
     * @param  \App\Models\Sentence  $sentence
     * @return \Illuminate\Http\Response
     */
    public function showprogress(Request $request)
    {
        ob_clean();
        ob_start();
        $channel = $request->get('channel');
        $from = $request->get('from');
        $to = $request->get('to');

        $strlen = Sentence::where('channel_uid',$request->get('channel'))
                ->where('book_id','>=',$request->get('book'))
                ->where('paragraph','>=',$request->get('from'))
                ->where('paragraph','<=',$request->get('to'))
                ->whereDate('created_at','2020-11-07')
                ->sum('strlen');
        if($request->get('type')==='page'){
            if(empty($request->get('strlen'))){
                $pageStrLen = 500;
            }else{
                $pageStrLen = $request->get('strlen');
            }
            $resulte = $strlen / $pageStrLen;
        }else{
            $resulte = $strlen;
        }

        $img = imagecreate(strlen($resulte)*10,22) or die('create image fail ');
        imagecolorallocate($img,255,255,255);
        $color = imagecolorallocate($img,0,0,0);
        imagestring($img,5,0,0,$resulte,$color);
        imagegif($img);
        imagedestroy($img);

        $content = ob_get_clean();
        return response($content,200,[
            'Content-Type'=>'image/gif'
        ]);
    }

    //http://127.0.0.1:8000/api/sentence/progress/daily?channel=00ae2c48-c204-4082-ae79-79ba2740d506&&book=168&from=916&to=926&type=page
    public function showprogressdaily(Request $request)
    {
        $imgWidth = 300;
        $imgHeight = 100;
        $xAxisOffset = 16;
        $yAxisOffset = 16;
        $maxDay = 10;
        $maxPage = 20;
        $yLineSpace = 5;

        $pageStrLen = 500;

        $pagePix = ($imgHeight-$xAxisOffset)/$maxPage;
        $dayPix = ($imgWidth-$yAxisOffset)/$maxDay;

        ob_clean();
        ob_start();
        $channel = $request->get('channel');
        $from = $request->get('from');
        $to = $request->get('to');

        $img = imagecreate($imgWidth,$imgHeight) or die('create image fail ');

        #颜色定义
        //background color
        imagecolorallocate($img,255,255,255);
        $color = imagecolorallocate($img,0,0,0);
        $gray = imagecolorallocate($img,180,180,180);
        $dataLineColor = imagecolorallocate($img,50,50,255);

        //绘制坐标轴
        imageline($img,0,$imgHeight-$xAxisOffset,$imgWidth,$imgHeight-$xAxisOffset,$color);
        imageline($img,$yAxisOffset,$imgHeight,$yAxisOffset,0,$color);
        //绘制y轴网格线
        for($i=1;$i<$maxPage/$yLineSpace;$i++){
            $space= ($imgHeight-$xAxisOffset)/$maxPage*$yLineSpace;
            $y=$imgHeight-$yAxisOffset-$i*$space;
            imageline($img,$yAxisOffset,$y,$imgWidth,$y,$gray);
            imagestring($img,5,0,$y-5,$i*$yLineSpace,$color);
        }
        //绘制x轴网格线
        for($i=0; $i<$maxDay; $i++){
            $space= ($imgWidth-$yAxisOffset)/$maxDay;
            $x=$imgWidth-$yAxisOffset-$i*$space;
            $dayOffset = $maxDay-$i;
            $date = strtotime("today -{$i} day");
            $day = date("d",$date);
            imageline($img,$x,($imgHeight-$xAxisOffset),$x,($imgHeight-$xAxisOffset+5),$gray);
            imagestring($img,5,$x,($imgHeight-$xAxisOffset),$day,$color);
        }

        $last=0;
        for($i = 0; $i < $maxDay; $i++){
            $day = strtotime("today -{$i} day");
            $date = date("Y-m-d",$day);
            $strlen = Sentence::where('channel_uid',$request->get('channel'))
                    ->where('book_id','>=',$request->get('book'))
                    ->where('paragraph','>=',$request->get('from'))
                    ->where('paragraph','<=',$request->get('to'))
                    ->whereDate('created_at','=',$date)
                    ->sum('strlen');
            if($request->get('type')==='page'){
                if(!empty($request->get('strlen'))){
                    $pageStrLen = $request->get('strlen');
                }
                $resulte = $strlen / $pageStrLen * $pagePix;
            }else{
                $resulte = $strlen / 50;
            }
            
            if($i>0){
                imageline($img,($imgWidth-$i*$dayPix),$imgHeight-$xAxisOffset-$resulte,($imgWidth-($i-1)*$dayPix),$imgHeight-$xAxisOffset-$last,$dataLineColor);
            }
            $last = $resulte;
        }

        imagegif($img);
        imagedestroy($img);

        $content = ob_get_clean();
        return response($content,200,[
            'Content-Type'=>'image/gif'
        ]);
    }

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

    /**
     * Show the form for editing the specified resource.
     *
     * @param  \App\Models\Sentence  $sentence
     * @return \Illuminate\Http\Response
     */
    public function edit(Sentence $sentence)
    {
        //
    }

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

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