<?php
/**
 * Created by PhpStorm.
 * User: 25276
 * Date: 2018/4/26
 * Time: 9:59
 */

namespace backend\forms;

use components\Curl;
use components\Exception;
use Yii;

/**
 * Class QueueForm
 * @package backend\forms
 */
class KdataForm extends BaseForm
{
    public function getData($symbol,$period,$from,$to,$count){
        date_default_timezone_set("UTC");
        $key = "{$symbol}_{$period}_KDATA";
        if($symbol == 'BTCUSDT1')
            $key = "BTCUSDT_{$period}_KDATA";
        $startIndex = 0;
        $endIndex = 0;
        $stset = array(
            'm1'=>60,
            'm3'=>180,
            'm5'=>300,
            'm15'=>900,
            'm30'=>1800,
            'h1'=>3600,
            'h2'=>7200,
            'h4'=>14400,
            'h6'=>21600,
            'h12'=>43200,
            'd1'=>86400,
            'd3'=>259200,
            'd5'=>432000,
            'd7'=>604800,
            'd15'=>1296000,
        );
        $redis = Yii::$app->redis;
        $data = array();
        $t = array();
        $h = array();
        $o = array();
        $l = array();
        $c = array();
        $v = array();
        $head = json_decode($redis->lrange($key,0,0)[0],true)['ts'];
        if($period!='mo'){//除了月级别 其他正常处理
            if($from!=-1&&$to!=-1){//起点终点都设置了
                if($from<$head){
                    $startIndex = 0;
                }else{
                    $startIndex = floor(($from-$head)/$stset[$period]);
                }
                if($to<$head){
                    $endIndex = 0;
                }else{
                    $endIndex = floor(($to-$head)/$stset[$period]);
                }
            }else if($from==-1){//只设置了终点
                if($to<$head){
                    $endIndex = 0;
                }else{
                    $endIndex = floor(($to-$head)/$stset[$period]);
                }
                $startIndex = ($endIndex-$count+1)>0?($endIndex-$count+1):0;
            }else if($to==-1){//只设置了起点
                if($from<$head){
                    $startIndex = 0;
                }else{
                    $startIndex = floor(($from-$head)/$stset[$period]);
                }
                $endIndex = ($startIndex+$count-1)>0?:0;
            }else{
                $data['t'] = null;
                $data['h'] = null;
                $data['o'] = null;
                $data['l'] = null;
                $data['c'] = null;
                $data['v'] = null;
                $data['s'] = 'error';
                return $data;
            }
        }else{//月级别单独处理
            $headDate = date('Y-m',$head)."-01";
            if($from!=-1&&$to!=-1){//起点终点都设置了
                $fromDate = date('Y-m',$from)."-01";
                $toDate = date('Y-m',$to)."-01";
                if($from<$head){
                    $startIndex = 0;
                }else{
                    $startIndex = $this->getMonthNum($headDate,$fromDate,'-');
                }
                if($to<$head){
                    $endIndex = 0;
                }else{
                    $endIndex = $this->getMonthNum($headDate,$toDate,'-');
                }
            }else if($from==-1){//只设置了终点
                $toDate = date('Y-m',$to)."-01";
                if($to<$head){
                    $endIndex = 0;
                }else{
                    $endIndex = $this->getMonthNum($headDate,$toDate,'-');
                }
                $startIndex = ($endIndex-$count+1)>0?($endIndex-$count+1):0;
            }else if($to==-1){//只设置了起点
                $fromDate = date('Y-m',$from)."-01";
                if($from<$head){
                    $startIndex = 0;
                }else{
                    $startIndex = $this->getMonthNum($headDate,$fromDate,'-');
                }
                $endIndex = ($startIndex+$count-1)>0?($startIndex+$count-1):0;
            }else{
                $data['t'] = null;
                $data['h'] = null;
                $data['o'] = null;
                $data['l'] = null;
                $data['c'] = null;
                $data['v'] = null;
                $data['s'] = 'error';
                return $data;
            }
        }
        $result = $redis->lrange($key,$startIndex,$endIndex);
        foreach ($result as $key=>$val){
            $val = json_decode($val,true);
            $t[] = $val['ts'];
            $h[] = $val['high'];
            $o[] = $val['open'];
            $l[] = $val['low'];
            $c[] = $val['close'];
            $v[] = $val['realVol'];
        }
        $data['t'] = $t;
        $data['h'] = $h;
        $data['o'] = $o;
        $data['l'] = $l;
        $data['c'] = $c;
        $data['v'] = $v;
        $data['s'] = 'ok';
        return $data;
    }

    function getMonthNum( $date1, $date2, $tags='-' ){//获取月份差 $date2>$date1
        $date1 = explode($tags,$date1);
        $date2 = explode($tags,$date2);
        return abs($date1[0] - $date2[0]) * 12 + ($date2[1] - $date1[1]);
    }
}