<?php
namespace app\admin\controller;

/**
 * 报表类
 */
class Report extends Base
{


    /**
     * 工作报表
     *
     * @access public
     * @return array JsonString
     */
    public function index()
    {
        $param  = input('param.');
        $startTime = isset($param['start']) ? $param['start'] : date('Y-m-d', strtotime("-6 day"));
        $endTime = isset($param['end']) ? $param['end'] : date('Y-m-d');
        $timeInterval = $this->Date_segmentation($startTime,$endTime);
        $chatData = [];
        $serviceData = [];
        $xData = [];
        foreach ($timeInterval['days_list'] as $k => $value) {
            $allCount = 0;
            $evaluateGood = 0;
            $evaluateSecondary = 0;
            $evaluateBad = 0;
            $evaluateNo = 0;
            $dayBegin = strtotime($value);
            $dayEnd = strtotime($value) + 24 * 60 * 60;
            $chatLogCountWhere['start_time'] = ['between', [$dayBegin, $dayEnd]];
            $join   = [
                'alarm b' => 'a.servicelog_id = b.servicelog_id',
            ];
            $field = ['alarm_count', 'evaluate_id', 'system'];
            $system = [];
            $systemCount = [];
            // 查询当天的工单.
            $serviceLog = model('serviceLog')->selectServiceLog($field, $join, $chatLogCountWhere);
            foreach ($serviceLog as $ke => $va) {
                $allCount += $va['alarm_count'];
                if ($va['evaluate_id'] == 1) {
                    $evaluateGood++;
                } elseif ($va['evaluate_id'] == 2) {
                    $evaluateSecondary++;
                } elseif ($va['evaluate_id'] == 3) {
                    $evaluateBad++;
                } elseif ($va['evaluate_id'] == 0) {
                    $evaluateNo++;
                }
                if (!isset($system[$va['system']])) {
                    $system[$va['system']] = 1;
                } else {
                    $system[$va['system']]++;
                }
            }
            // 会话总数.
            $xData[] = $value;
            $chatData[$k] = $allCount;
            // 当天工单总数.
            $serviceData[$k] = model('serviceLog')->countServiceLog($chatLogCountWhere);
        }
        foreach ($system as $k => $v) {
            $systemCount[] = [
                'value' => $v,
                'name' => $k,
            ];
        }
        $this->assign([
            'xData' => json_encode($xData),
            'chatData' => json_encode($chatData),
            'serviceData' => json_encode($serviceData),
            'systemCount' => json_encode($systemCount),
            'evaluate' => json_encode([
                'evaluateGood' => $evaluateGood,
                'evaluateSecondary' => $evaluateSecondary,
                'evaluateBad' => $evaluateBad,
                'evaluateNo' => $evaluateNo,
            ]),
        ]);

        return $this->fetch('index');

    }//end index()


    /**
     * 时间分割
     *
     * @access public
     * @return array JsonString
     */
    function Date_segmentation($start_date, $end_date)
    {
        //如果为空，则从今天的0点为开始时间
        if(!empty($start_date))
            $start_date=date('Y-m-d H:i:s',strtotime($start_date));
        else {
            $start_date=date('Y-m-d 00:00:00',time());
        }

        //如果为空，则以明天的0点为结束时间（不存在24:00:00，只会有00:00:00）
        if(!empty($end_date))
            $end_date=date('Y-m-d H:i:s',strtotime($end_date));
        else
            $end_date=date('Y-m-d 00:00:00',strtotime('+1 day'));

        //between 查询 要求必须是从低到高
        if($start_date>$end_date)
        {
            $ttt=$start_date;
            $start_date=$end_date;
            $end_date=$ttt;
        }elseif($start_date==$end_date){
            echo '时间输入错误';die;
        }

        $time_s=strtotime($start_date);
        $time_e=strtotime($end_date);
        $seconds_in_a_day=86400;

        //生成中间时间点数组（时间戳格式、日期时间格式、日期序列）
        $days_inline_array=array();
        $times_inline_array=array();

        //日期序列
        $days_list=array();
        //判断开始和结束时间是不是在同一天
        $days_inline_array[0]=$start_date;  //初始化第一个时间点
        $times_inline_array[0]=$time_s;     //初始化第一个时间点
        $days_list[]=date('Y-m-d',$time_s);//初始化第一天
        if(
            date('Y-m-d',$time_s)
            ==date('Y-m-d',$time_e)
        ){
            $days_inline_array[1]=$end_date;
            $times_inline_array[1]=$time_e;
        }
        else
        {
            /**
             * A.取开始时间的第二天凌晨0点
             * B.用结束时间减去A
             * C.用B除86400取商，取余
             * D.用A按C的商循环+86400，取得分割时间点，如果C没有余数，则最后一个时间点 与 循环最后一个时间点一致
             */
            $A_temp=date('Y-m-d 00:00:00',$time_s+$seconds_in_a_day);
            $A=strtotime($A_temp);
            $B=$time_e-$A;
            $C_quotient=floor($B/$seconds_in_a_day);    //商舍去法取整
            $C_remainder=fmod($B,$seconds_in_a_day);               //余数
            $days_inline_array[1]=$A_temp;
            $times_inline_array[1]=$A;
            $days_list[]=date('Y-m-d',$A);              //第二天
            for($increase_time=$A,$c_count_t=1;$c_count_t<=$C_quotient;$c_count_t++)
            {
                $increase_time+=$seconds_in_a_day;
                $days_inline_array[]=date('Y-m-d H:i:s',$increase_time);
                $times_inline_array[]=$increase_time;
                $days_list[]=date('Y-m-d',$increase_time);
            }
            $days_inline_array[]=$end_date;
            $times_inline_array[]=$time_e;
        }

        return array(
            'start_date'=>$start_date,
            'end_date'=>$end_date,
            'days_list'=>$days_list,
            'days_inline'=>$days_inline_array,
            'times_inline'=>$times_inline_array
        );
    }

}//end class