<?php


class Input_sina
{
    const INPUT_SINA_URL = "http://hq.sinajs.cn/list=";


    static public function add_day_k($code, $exchange)
    {
        $data = self::_parse_day_k_data($code,$exchange);
        return Day_k::add($data);
    }

    /***
     * @param $code
     * @param $date
     * @return mixed
     * 日k线表 day_k_******（每月存一张表，比如boniu_day_k_202011）
     * 抓取当天的数据，结合腾讯的接口，每4秒抓取一条数据
     *
     */
    static public function add_to_immediate_day_k($code, $exchange)
    {
        $data = self::_parse_day_k_data($code,$exchange);
        return Immediate_base::add($data);
    }

    private static function _parse_day_k_data($code,$exchange)
    {
        $stock_code = $exchange . $code;
        $url = self::INPUT_SINA_URL . $stock_code;
        $content3 = self::_render_k_day_curl_data($url);

        if (empty($content3)) {
            throw new Exception('抓取的数据不能为空', 102);
        }
        $data['timestamp'] = time();
        $data['date'] = (int)date("Ymd", time());
        $data['code'] = $code;//股票代码此时去掉sh,sz
        $data['name'] = $content3[0];
        $data['open_price'] = floatval($content3[1]);//开盘价
        $data['close_price'] = floatval($content3[3]);//3点之后的当前价格就是收盘价
        $data['highest_price'] = floatval($content3[4]);//今日最高价
        $data['lowest_price'] = floatval($content3[5]);//今日最低价
        $data['amount'] = floatval($content3[8]);//成交的股票数,以百为单位
        $data['value'] = floatval($content3[9]);//成交金额以万为单位
        $dataContent = self::_get_tecent_stock_data($code,$exchange);
        $data["increase_price"] = empty($content1["increase_price"]) ? 0 : $content1["increase_price"]; //  涨跌价
        $data["increase_ratio"] = empty($content1["increase_ratio"]) ? 0 : $content1["increase_ratio"];//   涨跌幅
        $data["turnover"] = empty($content1["turnover"]) ? 0 : $content1["turnover"];//    换手率
        $data["pe_ttm"] = empty($dataContent["pe_ttm"]) ? 0 : $dataContent["pe_ttm"];//pe_ttm市盈率
        $data["tradable_value"] = empty($dataContent["tradable_value"]) ? 0 : (int)($dataContent["tradable_value"] * 100000000);//流通市值
        $data["total_value"] = empty($dataContent["total_value"]) ? 0 : (int)($dataContent["total_value"] * 100000000);//总市值
        $data["pb"] = empty($dataContent["pb"]) ? 0 : $dataContent["pb"];//市净率
        $data["pe_dynamic"] = empty($dataContent["pe_dynamic"]) ? 0 : $dataContent["pe_dynamic"]; //动态市盈率
        $data["pe_static"] = empty($dataContent["pe_static"]) ? 0 : $dataContent["pe_static"];//静态市盈率
        return $data;
    }

    static private function _render_k_day_curl_data($url)
    {
        $content = self::curl_exec($url);
        $content2 = iconv("gbk", "utf-8", $content);//子串
        $content3 = substr($content2, stripos($content2, "=\"") + 2); //获取 var hq_str_sz000002="万 科Ａ,30.780,30.800,30.510,  ="之后部分
        $content4 = substr($content3, 0, strripos($content3, "\";")); //获取     万 科Ａ,30.94,0.14,0.45,584039,178827";         ";之前部分
        $content5 = explode(",", $content4);//分割
        return $content5;
    }
    private static function _get_tecent_stock_data($code, $exchange)
    {

        $dataContent = Input_tencent_day_k::get_stock_data($code, $exchange);
        if (!empty($dataContent)) {
            return $dataContent;
        }else{
            return [];
        }

    }
    //获取index_day_k
    static public function getIndexDayK($indexList)
    {
        $url = self::INPUT_SINA_URL;
        $contentList = self::_render_index_k_day_curl_data($url, $indexList);
        foreach ($contentList as $key => $item) {
            $data['code'] = $item['code'];
            $data['date'] = ConverseDate($item[30]);
            $data['name'] = trim($item[0]);
            $data['increase_price'] = floatval($item[3] - $item[2]);    //涨跌价
            $data['timestamp'] = strtotime($item[30]);                       //当天的0点时间戳
            $data['open_price'] = floatval($item[1]);                        //开盘价
            $data['close_price'] = floatval($item[3]);                       //当前价，15点之后就是收盘价
            $data['highest_price'] = floatval($item[4]);                     //最高价
            $data['lowest_price'] = floatval($item[5]);                      //最低价
            $data['amount'] = self::getAmountForIndexDayK($data['code'], (int)($item[8]));                              //成交量，以手为单位
            $data['value'] = (int)($item[9]);                                //成交金额，以万为单位

            $data['increase_ratio'] = 0;                                     //涨跌幅
            if (!empty($data['open_price']))
                $data['increase_ratio'] = round($data['increase_price'] * 100 / $data['open_price'], 2);

            if (!empty($item[0])) {            //判断非法股票代码
                Index_day_k::addOrUpdateByCodeDate($data);
            }
        }
        return;
    }

    //获取全部股票代码和名称列表
    static public function getAllStockCodeAndNameList()
    {
        //上证主板 60****
        for($i = 0; $i < 50; $i++) {
            $start = 600000 + $i * 200;
            self::getPartStockCodeAndNameList('sh', 10, $start, $start + 200);
        }

        //上证科创板  688***
        for($i = 0; $i < 5; $i++) {
            $start = 688000 + $i * 200;
            self::getPartStockCodeAndNameList('sh', 11, $start, $start + 200);
        }

        //深证主板 000000~001999
        for($i = 0; $i < 10; $i++) {
            $start = 0 + $i * 200;
            self::getPartStockCodeAndNameList('sz', 20, $start, $start + 200);
        }

        //深证中小板 002000~002999
        for($i = 0; $i < 5; $i++) {
            $start = 2000 + $i * 200;
            self::getPartStockCodeAndNameList('sz', 21, $start, $start + 200);
        }

        //深证创业板 300***
        for($i = 0; $i < 5; $i++) {
            $start = 300000 + $i * 200;
            self::getPartStockCodeAndNameList('sz', 22, $start, $start + 200);
        }

        return;
    }

    //获取指定条件的股票代码和名称列表
    static public function getAllIndexCodeAndNameList()
    {
        $i = 0;
        $index[$i]['code']     = '000001';
        $index[$i]['name']     = '上证指数';
        $index[$i]['exchange'] = STOCK_EXCHANGE_SH;
        $index[$i]['sector']   = STOCK_SECTOR_SH_MAIN;

        $i++;
        $index[$i]['code']     = '399001';
        $index[$i]['name']     = '深证成指';
        $index[$i]['exchange'] = STOCK_EXCHANGE_SZ;
        $index[$i]['sector']   = STOCK_SECTOR_SZ_MAIN;

        $i++;
        $index[$i]['code']     = '000016';
        $index[$i]['name']     = '上证50';
        $index[$i]['exchange'] = STOCK_EXCHANGE_SH;
        $index[$i]['sector']   = STOCK_SECTOR_SH_MAIN;

        $i++;
        $index[$i]['code']     = '399300';
        $index[$i]['name']     = '沪深300';
        $index[$i]['exchange'] = STOCK_EXCHANGE_SZ;
        $index[$i]['sector']   = STOCK_SECTOR_SZ_MAIN;

        $i++;
        $index[$i]['code']     = '399006';
        $index[$i]['name']     = '创业板指';
        $index[$i]['exchange'] = STOCK_EXCHANGE_SZ;
        $index[$i]['sector']   = STOCK_SECTOR_SZ_CHUANGYE;

        $i++;
        $index[$i]['code']     = '000688';
        $index[$i]['name']     = '科创50';
        $index[$i]['exchange'] = STOCK_EXCHANGE_SH;
        $index[$i]['sector']   = STOCK_SECTOR_SH_KECHUANG;

        foreach ($index as $key => $item) {
            if (!empty($item['code'])) {                            //判断非法股票代码
                Index::addOrUpdateByCode($item);
            }
        }
        return;
    }
    //获取指定条件的股票代码和名称列表
    static private function getPartStockCodeAndNameList($exchange, $sector, $start, $end)
    {
        $data['exchange'] = $exchange;
        $data['sector'] = $sector;
        $codeList = array();
        $codeIndex = 0;
        $url = self::INPUT_SINA_URL;
        for($code = $start;$code < $end; $code++){
            $codeStr = sprintf('%06s', $code);
            $url .= 's_'.$exchange.$codeStr.',';
            $codeList[$codeIndex] = $codeStr;
            $codeIndex++;
        }
        $contentList = self::_render_index_k_day_curl_data($url, $codeList);
        foreach ($contentList as $key => $item) {
            $data['code'] = $item['code'];
            $data['name'] = trim($item[0]);
            if (!empty($item[0])) {                            //判断非法股票代码
                Stock::addOrUpdateByCode($data);
            }
        }
        return;
    }
    static private function _render_index_k_day_curl_data($url,$indexList)
    {
        $content = self::curl_exec($url);
        $codeList = array();
        $codeIndex = 0;
        foreach ($indexList as $item) {
            $codeStr = sprintf('%06s', $item['code']);
            $url .= $item['exchange'].$codeStr.',';
            $codeList[$codeIndex] = $codeStr;
            $codeIndex++;
        }
        if (empty($codeList)) {
            return 0;
        }
        $content2 = iconv("gbk", "utf-8", $content);//子串
        $arr1 =  explode(";", $content2);//按股票分割
        $arr2 = array();
        $index = 0;
        $codeIndex = 0;
        foreach ($arr1 as $key => $item) {
            $tempItem = substr($item, stripos($item, "=\"") + 2);         //获取 var hq_str_sz000002="万 科Ａ,30.780,30.800,30.510,  ="之后部分
            $tempItem = substr($tempItem, 0, strripos($tempItem, "\""));  //获取     万 科Ａ,30.94,0.14,0.45,584039,178827";         ";之前部分
            $tempItem = trim($tempItem);
            if (!empty($tempItem)) {
                $arr2[$index] = explode(",", $tempItem);//分割
                $arr2[$index]['code'] = $codeList[$codeIndex];
                $index++;
            }
            $codeIndex++;
        }

        return $arr2;
    }

    //深市返回的成交量以个为单位，需转换为以手为单位
    static private function getAmountForIndexDayK($code, $amount)
    {
        $newAmount = $amount;
        $index = Index::getInfoByCode($code);
        if ($index['exchange'] == STOCK_EXCHANGE_SZ) {
            $newAmount = round($amount / 100);
        }
        return $newAmount;
    }


    /****
     * @param $url
     * @return array|bool|string
     * 对curl_setopt进行封装，消除代码冗余
     */
    static private function curl_exec($url)
    {
        $curlHandle = curl_init();
        curl_setopt($curlHandle, CURLOPT_URL, $url);
        curl_setopt($curlHandle, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($curlHandle, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($curlHandle, CURLOPT_SSL_VERIFYHOST, false);
        curl_setopt($curlHandle, CURLOPT_TIMEOUT, 10);
        $content = curl_exec($curlHandle);
        curl_close($curlHandle);//防止中文乱码

        return $content;
    }

}