<?php
if (!defined('BASEPATH'))
    exit('No direct script access allowed');

class search extends CI_Controller{
	
	public function __construct(){
		parent::__construct();  
		$this->load->model("BIZ_train_model");//加载模型
	}
	
	//查询聚合余票接口，对返回的数据进行处理
	public function index($train_date=null,$fromStation=null,$toStation=null){
		//定义一些变量
		$flag = true;
		$juheTrainInfo = '';
		set_time_limit(0);
		
		//判断数据是否合法
		if(!$train_date || !$fromStation || !$toStation){
			exit('传参不能为空！');
		}else{
			if(strlen($fromStation) != 3){
				exit('fromStation:参数错误！');
			}
			if(strlen($toStation) != 3){
				exit('toStation:参数错误！');
			}
			
			//调用查询模块
			$search_return = $this->Searchtrain($train_date,$fromStation,$toStation);
			

			//调用数据处理模块
			$returnJson = $this->dataOperate($search_return,$fromStation,$toStation);
			
			//调用拼接处理模块
			$trainjson = $this->createTrainJson($returnJson);
			
			print_r($trainjson);
		}
	}
	
	//搜索模块
	function Searchtrain($train_date,$fromStation,$toStation){	
		$this->train_date = $train_date;
		$now_time = time();
		$differ_time = (strtotime($train_date) - $now_time) / 86400;
		//屏蔽掉超过预售期的搜索，提高速度 
		if($differ_time > 29){
			$train_date = date('Y-m-d',strtotime('+7day'));
			$this->seventh = true;
		}
		$url = 'http://139.129.246.118:12309/trainTickets/ticketsAvailable?key='.JUHE_TRAIN_API_KEY.'&train_date='.$train_date.'&from_station='.$fromStation.'&to_station='.$toStation;
		$this->url = $url;
		$train_info = $this->get_http($url);
		//如果为网络错误就再执行一次
		if(json_decode($train_info)->reason == '网络故障，请重试（0）'){
			$train_info = $this->get_http($url);
		}
		return $train_info;
	}
	
	//缓存处理模块(包含缓存处理)
	function dataOperate($search_return,$fromStation,$toStation){
		$this->reason = json_decode($search_return)->reason;
		$this->cache = 'no';
		if(!empty($search_return) && !empty(json_decode($search_return)->result)){
			$this->BIZ_train_model->addOrUpdate($fromStation,$toStation,$search_return);
			$operate_data = $search_return;
		}else{
			$cache_train_info = $this->BIZ_train_model->get_train_info($fromStation,$toStation);
			if(empty($cache_train_info)){
				log_message('error','TRAIN 查询为空的链接:'.$this->url.'|出错的原因:'.$this->reason.'|缓存为空');
				$operate_data = NULL;
			}else{
				$cache_time = $cache_train_info->tpc_datetime;
				$now_time = time();
				$differ_time = ($now_time - strtotime($cache_time)) / 86400;
				if($differ_time >= 3){
					$this->BIZ_train_model->delete_traincache($fromStation,$toStation);
					log_message('error','TRAIN 查询为空的链接:'.$this->url.'|出错的原因:'.$this->reason.'|缓存超时,已经删除');
					$operate_data = NULL;
				}else{
					$this->cache = 'yes';
					$operate_data = $cache_train_info->tpc_content;
					log_message('error','TRAIN 查询为空的链接:'.$this->url.'|出错的原因:'.$this->reason.'|调用缓存号：'.$cache_train_info->tpc_sn.'|缓存生成的时间:'.$cache_train_info->tpc_datetime);
				}	
			}
		}
		return $operate_data;
	}
	
	//字符串拼接模块
	function createTrainJson($returnjson){
		$return_data = new stdClass();
		$return_data->data = new stdClass();
		$return_data->httpstatus = 200;
		$return_data->reason = $this->reason;
		$return_data->cache = $this->cache;
		$return_data->data->result = array();
		$return_data->data->map = new stdClass();
		$obj = array();
		$i = 0;
		$pricestr = '';
		if(!empty($returnjson)){
			if(!empty(json_decode($returnjson)->result->list)){
				foreach (json_decode($returnjson)->result->list as $value){
					$obj[$value->from_station_code] = $value->from_station_name;
					$obj[$value->to_station_code] = $value->to_station_name;
					$seat_type = '';
					if(isset($value->gjrw_price)){
						if($value->gjrw_price > 0){
							$gjrwPrice = $value->gjrw_price * 10;
							$seat_type .= '"6":"'.$gjrwPrice.'","A6":"¥'.$value->gjrw_price.'",'; 
						}
					}
					if(isset($value->qtxb_price)){
						if($value->qtxb_price > 0){
							$seat_type .= '"H":"¥'.$value->qtxb_price.'",';
						}
					}
					if(isset($value->rw_price)){
						if($value->rw_price > 0){
							$rwPrice = $value->rw_price * 10;
							$seat_type .= '"4":"'.$rwPrice.'","A4":"¥'.$value->rw_price.'",'; 
						}
					}
					if(isset($value->rz_price)){
						if($value->rz_price > 0){
							$rzPrice = $value->rz_price * 10;
							$seat_type .= '"2":"'.$rzPrice.'","A2":"¥'.$value->rz_price.'",'; 
						}
					}
					if(isset($value->tdz_price)){
						if($value->tdz_price > 0){
							$seat_type .= '"P":"¥'.$value->tdz_price.'",';
						}
					}
					if(isset($value->wz_price)){
						if($value->wz_price > 0){
							$wzPrice = $value->wz_price * 10;
							$seat_type .= '"WZ":"¥'.$value->wz_price.'",'; 
						}
					}
					if(isset($value->yw_price)){
						if($value->yw_price > 0){
							$ywPrice = $value->yw_price * 10;
							$seat_type .= '"3":"'.$ywPrice.'","A3":"¥'.$value->yw_price.'",'; 
						}
					}
					if(isset($value->yz_price)){
						if($value->yz_price > 0){
							$yzPrice = $value->yz_price * 10;
							$seat_type .= '"1":"'.$yzPrice.'","A1":"¥'.$value->yz_price.'",'; 
						}
					}
					if(isset($value->edz_price)){
						if($value->edz_price > 0){
							$seat_type .= '"O":"¥'.$value->edz_price.'",'; 
						}
					}
					if(isset($value->ydz_price)){
						if($value->ydz_price > 0){
							$seat_type .= '"M":"¥'.$value->ydz_price.'",'; 
						}
					}
					if(isset($value->swz_price)){
						if($value->swz_price > 0){
							$swzPrice = $value->swz_price * 10;
							$seat_type .= '"9":"'.$swzPrice.'","A9":"¥'.$value->swz_price.'",'; 
						}
					}
					if(isset($value->dw_price)){
						if($value->dw_price > 0){
							$seat_type .= '"F":"¥'.$value->dw_price.'",'; 
						}
					}
					$pricestr = $seat_type.'"train_no":'.'"'.$value->train_no.'"';
					//余票字符串
					$return_data->data->result[$i] = '|预定|'.$value->train_no.'|'.$value->train_code.'|'.$value->from_station_name.'|'.$value->to_station_name.'|'.$value->from_station_code.'|'.$value->to_station_code.'|'.$value->start_time.'|'.$value->arrive_time.'|'.$value->run_time.'|'.$value->can_buy_now.'||'.$value->train_start_date.'||||||||'.$this->ticket_exchange($value->gjrw_num).'|'.$this->ticket_exchange($value->qtxb_num).'|'.$this->ticket_exchange($value->rw_num).'|'.$this->ticket_exchange($value->rz_num).'|'.$this->ticket_exchange($value->tdz_num).'|'.$this->ticket_exchange($value->wz_num).'||'.$this->ticket_exchange($value->yw_num).'|'.$this->ticket_exchange($value->yz_num).'|'.$this->ticket_exchange($value->edz_num).'|'.$this->ticket_exchange($value->ydz_num).'|'.$this->ticket_exchange($value->swz_num).'|'.$this->ticket_exchange($value->dw_num).'||';
					$data = '{"validateMessagesShowId":"_validatorMessage","status":true,"httpstatus":200,"data":{'.$pricestr.'},"messages":[],"validateMessages":{}}';
					$return_data->data->price[$i] = $data;
					$i++;
				}
			}
			
		}
		$return_data->data->map = (object)$obj;
		return json_encode($return_data);
	}
	
	
	//获取价格(废弃)
	/*
	fromStationCode：出发站三字码
	toStationCode:终点站三字码
	trainCode:车次号
	*/
	public function get_price($fromStationCode=null,$toStationCode=null,$trainCode=null){
		if(!$fromStationCode || !$toStationCode || !$trainCode){
			exit('传参错误！');
		}else{
			$return_data = $this->BIZ_train_model->get_price($fromStationCode,$toStationCode,$trainCode);
			if(!empty($return_data)){
				print_r(json_decode($return_data->TPL_Price));
			}else{
				print_r('没有数据返回');
			}
		}
	}
	
	//余票转换
	function ticket_exchange($num){
		if($this->cache == 'yes'){
			$time = strtotime($this->train_date) - time();
			$day = $time / 86400;
			if($day > 15){
				return '有';
			}else{
				return $num;
			}
		}else{
			if(is_numeric($num)){
				if($num == 0){
					return '无';
				}elseif($num >= 99){
					return '有';
				}else{
					return $num;
				}
			}else{
				if($num == '--'){
					return '';
				}
			}	
		}
	}
	
	//发送请求
	function get_http($url, $data = '', $method = 'GET') {
        $curl = curl_init(); // 启动一个CURL会话  
        curl_setopt($curl, CURLOPT_URL, $url); // 要访问的地址  
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 0); // 对认证证书来源的检查  
        curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 0); // 从证书中检查SSL加密算法是否存在  
        curl_setopt($curl, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT']); // 模拟用户使用的浏览器  
        curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1); // 使用自动跳转  
        curl_setopt($curl, CURLOPT_AUTOREFERER, 1); // 自动设置Referer  
        if ($method == 'POST' && !empty($data)) {
            curl_setopt($curl, CURLOPT_POST, 1); // 发送一个常规的Post请求  
            curl_setopt($curl, CURLOPT_POSTFIELDS, $data); // Post提交的数据包  
        }
        curl_setopt($curl, CURLOPT_TIMEOUT, 45); // 设置超时限制防止死循环  
        curl_setopt($curl, CURLOPT_HEADER, 0); // 显示返回的Header区域内容  
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); // 获取的信息以文件流的形式返回  
        $tmpInfo = curl_exec($curl); // 执行操作  
        $errno = curl_errno($curl);
        if ($errno !== 0) {
            return false;
            $error_message = $errno . ' ' . curl_error($curl); //记录错误日志
            log_message('error', "third_party/train_app/index/get_http curl {$error_message}");
        }
        curl_close($curl); //关闭CURL会话  
        return $tmpInfo; //返回数据
    }
}


?>