<?php
header("Access-Control-Allow-Origin:*");
//载入配置文件和连接数据库
//获取地名
$user_id = $_COOKIE['user_id'];

if (!$user_id) {
    echo json_encode(array("code" => 1, "iflogin" => 1, "info" => "用户未登录"));
    exit;
}

$area = $_POST['area_name'];
$bus_type = $_POST['bus_type'];
$inout_type = isset($_POST['inout_type']) ? $_POST['inout_type'] : "in";
//获取全部poi
$list = getPoiByLineType($bus_type,$inout_type);
if (!empty($area)) {
    $area_array_line = array();
    foreach ($list as $k => $v) {
        if (strpos($v['area_name'], $area) !== false) {
            $area_array_line[] = $v;
        }
    }
    $list = $area_array_line;
}

$code = 0;
$info = $CODE[0];

$json = array();
$json['code'] = $code;
$json['info'] = $info;
$json['list'] = $list;

echo json_encode($json);
/**
 * Function Description:获取所有线路中开始POI-结束POI的连接关系
 * Function Name: getPoiId
 *
 * @return mixed
 *
 * @author 张帅
 */
function getPoiId()
{
    global $pdo;
    $sql = 'SELECT 
                start_area,
                end_area,
                line_type
            FROM
                (
                    SELECT 
                        SUBSTRING_INDEX(SUBSTRING_INDEX(b.start_area, \',\', sequence.help_topic_id),\',\' ,-1) AS start_area,
                        SUBSTRING_INDEX(SUBSTRING_INDEX(b.end_area, \',\', sequence1.help_topic_id),\',\' ,-1) AS end_area,
                        line_type
                    FROM  
                        (select help_topic_id from mysql.help_topic where help_topic_id between 1 and 20 ) as sequence,
                        (select help_topic_id from mysql.help_topic where help_topic_id between 1 and 20 )as sequence1,
                        (
                            SELECT @id := @id +1 as id,
                                if(length(start_parent)=0,start_area_id,concat(start_area_id,\',\',start_parent)) as start_area,
                                if(length(end_parent)=0,end_area_id,concat(end_area_id,\',\',end_parent)) as end_area,
                                line_type
                            FROM (
                                    SELECT distinct 
                                        t.start_station_area_id as start_area_id,
                                        replace(substring(v1.parent_area_id_list,2,length(v1.parent_area_id_list)-2),\'}{\',\',\') AS start_parent,
                                        t.end_station_area_id as end_area_id,
                                        replace(substring(v2.parent_area_id_list,2,length(v2.parent_area_id_list)-2),\'}{\',\',\') AS end_parent,
                                        l.line_type
                                    FROM
                                        opera_line AS l,
                                        opera_tickets AS t,
                                        base_area_view as v1,
                                        base_area_view as v2,
                                        base_area as a1,
                                        base_area as a2
                                    WHERE
                                        l.line_id = t.line_id
                                    and v1.area_id = t.start_station_area_id
                                    and v2.area_id = t.end_station_area_id
                                    and a1.id = t.start_station_area_id
                                    and a2.id = t.end_station_area_id
                                    and a1.cancel_flag = 0
                                    and a2.cancel_flag = 0
                                    AND l.cancel_flag = 0
                                    AND l.if_disabled = 0
                                    AND l.line_type in(255,256)
                                    AND l.is_onsale = 1
                                    AND t.cancel_flag = 0
                                    AND t.start_station_area_id != 0
                                    AND t.end_station_area_id != 0
                                  ) a, 
                                  (select @id:= 0) as i
                        ) b
                    WHERE 
                        sequence.help_topic_id BETWEEN 1  AND ( SELECT 1 + LENGTH(b.start_area) - LENGTH(REPLACE(b.start_area, \',\', \'\')))
                    AND sequence1.help_topic_id BETWEEN 1  AND ( SELECT 1 + LENGTH(b.end_area) - LENGTH(REPLACE(b.end_area, \',\', \'\')))
                    GROUP BY
                        SUBSTRING_INDEX(SUBSTRING_INDEX(b.start_area, \',\', sequence.help_topic_id),\',\' ,-1),
                        SUBSTRING_INDEX(SUBSTRING_INDEX(b.end_area, \',\', sequence1.help_topic_id),\',\' ,-1),
                        line_type
                )as tb';
    $result = $pdo->query($sql);
    $rowset = $result->fetchAll(PDO::FETCH_ASSOC);
    return $rowset;
}

/**
 * Function Description:获取poi详情
 * Function Name: getPoiInfo
 * @param $poi_id
 *
 * @return array
 *
 * @author 张帅
 */
function getPoiInfoDb($poi_id)
{
    global $pdo;
    $sql = 'SELECT
                a.id as area_id,
                a.area_name,
                a.poi_type,
                REPLACE(substring(v.parent_area_id_list,2,length(v.parent_area_id_list)-2),\'}{\',\',\') AS parent_area_id,
                REPLACE(REPLACE(substring(v.parent_area_name_list,2),\'}{\',\',\'),\'}\',\'\') AS parent_area_name,
                v.area_level
            FROM
                base_area AS a,
                base_area_view AS v
            WHERE
                a.id = v.area_id
            AND a.cancel_flag = 0
            AND a.id in (' . $poi_id . ')';
    $result = $pdo->query($sql);
    $rowset = $result->fetchAll(PDO::FETCH_ASSOC);
    return $rowset;
}

/**
 * Function Description:获取站点详情
 * Function Name: getPoiInfoArr
 *
 * @return array|mixed
 *
 * @author 张帅
 */
function getPoiInfoArr()
{
    $result = get_memcache('FX_POI_ARR_LIST');
    if ($result) {
        return $result;
    }

    //1.获取POIid数组
    $poi_id = getPoiIdArr();

    //2.收集所有的poi_id
    $area_id_array = array();
    foreach ($poi_id as $key => $value) {
        if (!isset($area_id_array[$value['start_area']])) {
            $area_id_array[$value['start_area']] = $value['start_area'];
        }
        if (!isset($area_id_array[$value['end_area']])) {
            $area_id_array[$value['end_area']] = $value['end_area'];
        }
    }
    $poi_id = array_merge($poi_id);

    //3.根据poi_id获取poi详细信息
    if (count($area_id_array) > 0) {
        $poi_info_array1 = getPoiInfo($area_id_array);
    } else {
        $poi_info_array1 = array();
    }
    foreach ($poi_info_array1 as $key => $vel){
        $poi_info_array[$vel['area_id']] = $vel;
    }

    //4.根据线路类型及上下车类型对poi分组
    $poi_line_inout = getPoiByLineInout($poi_id);

    $result['poi_id'] = $poi_id;
    $result['poi_info_array'] = $poi_info_array;
    $result['poi_line_inout'] = $poi_line_inout;

    set_memcache('FX_POI_ARR_LIST', $result, 3600);
    return $result;
}

/**
 * Function Description:获取poi站点数组
 * Function Name: getPoiIdArr
 *
 * @return array
 *
 * @author 张帅
 */
function getPoiIdArr()
{

    $poi_array = getPoiId();
    return $poi_array;
}

/**
 * Function Description:获取poi详细信息
 * Function Name: getPoiInfo
 * @param $area_id_array
 *
 * @return array
 *
 * @author 张帅
 */
function getPoiInfo($area_id_array)
{
    $area_id_array = implode(',', $area_id_array);
    //1.获取POI的详细信息
    $poi_array = getPoiInfoDb($area_id_array);

    //2.整理poi数组
    $poi_info_array = array();
    foreach ($poi_array as $key => $vel) {
        $poi_info_array[$vel['area_id']] = $vel;
    }
    //3.整理poi的父子关系
    foreach ($poi_info_array as $key => $vel) {
        if (!empty($vel['parent_area_id'])) {
            $parent_id_arr = explode(',', $vel['parent_area_id']);
            $parent_name_arr = explode(',', $vel['parent_area_name']);
            $parent_area_arr = array();
            foreach ($parent_id_arr as $k => $v) {
                $parent_area_arr[$k]['area_id'] = $v;
                $parent_area_arr[$k]['area_name'] = $parent_name_arr[$k];
                $poi_info_array[$v]['son_area_id'][$key] = $key;
            }
            $poi_info_array[$key]['parent_area_arr'] = $parent_area_arr;
        } else {
            $poi_info_array[$key]['parent_area_arr'] = array();
        }
    }
    foreach ($poi_info_array as $key => $vel) {
        if (!isset($vel['son_area_id'])) {
            $poi_info_array[$key]['son_area_id'] = '';
        } else {
            $poi_info_array[$key]['son_area_id'] = implode(',', $vel['son_area_id']);
        }
    }

    return $poi_info_array;
}

/**
 * Function Description:根据线路类型及上下车类型对poi分组
 * Function Name: getPoiByLineInout
 * @param $poi_id
 *
 * @return mixed
 *
 * @author 张帅
 */
function getPoiByLineInout($poi_id)
{
    $poi_group = array();
    foreach ($poi_id as $k => $v) {
        if (!isset($poi_group[$v['line_type']]['start_area'][$v['start_area']])) {
            $poi_group[$v['line_type']]['start_area'][$v['start_area']] = $v['start_area'];
        }
        if (!isset($poi_group[$v['line_type']]['end_area'][$v['end_area']])) {
            $poi_group[$v['line_type']]['end_area'][$v['end_area']] = $v['end_area'];
        }
    }
    return $poi_group;
}

/**
 * Function Description:根据线路类型及上下车类型对poi分组
 * Function Name: getPoiByLineInout
 * @param $poi_id
 *
 * @return mixed
 *
 * @author 张帅
 */
function getPoiByLineType($bus_type,$inout_type)
{
    //1.读取站点基础信息缓存
    $poi = getPoiInfoArr();
    $poi_arr = $poi['poi_line_inout'][$bus_type];
    $poi_info = $poi['poi_info_array'];
    $poi_result = array();
    //2.填充poi信息
    foreach ($poi_arr as $key => $vel) {
        foreach ($vel as $k => $v) {
            $poi_one['area_id'] = $poi_info[$v]['area_id'];
            $poi_one['area_name'] = $poi_info[$v]['area_name'];
            $poi_one['area_level'] = $poi_info[$v]['area_level'];
            $poi_result[$key][$poi_one['area_level']][$k] = $poi_one;
        }
    }
    //3.排序
    foreach ($poi_result as $key => $vel){
        foreach ($vel as $k => $v) {
            ksort($v);
            $poi_result[$key][$k] = $v;
            $vel[$k] = $v;
        }
        ksort($vel);
        $poi_result[$key] = $vel;
    }

    foreach ($poi_result as $key => $vel){
        $poi_sort = array();
        foreach ($vel as $k => $v) {
            foreach ($v as $k1 => $v1){
                $poi_sort[] = $v1;
            }
        }
        $poi_result[$key] = $poi_sort;
    }
    //4.获取可查询站点的权限
    if($inout_type == 'in'){
        $list1 = $poi_result['start_area'];
    }else{
        $list1 = $poi_result['end_area'];
    }

    $user_id = $_COOKIE['user_id'];
    global $hotel_authority;

    if ($bus_type == '256' && isset($hotel_authority[$user_id])) {
        if (is_array($hotel_authority[$user_id])) {
            foreach ($hotel_authority[$user_id] as $v) {
                if(isset($poi_info[$v])){
                    $area_one['area_id'] = $v;
                    $area_one['area_name'] = $poi_info[$v]['area_name'];
                    $list[] = $area_one;
                }
            }
        } else {
            if(isset($poi_info[$hotel_authority[$user_id]])) {
                $area_one['area_id'] = $hotel_authority[$user_id];
                $area_one['area_name'] = $poi_info[$hotel_authority[$user_id]]['area_name'];
                $list[] = $area_one;
            }
        }
        $area_one['area_id'] = 3240;
        $area_one['area_name'] = $poi_info[3240]['area_name'];
        $list[] = $area_one;
        $area_one['area_id'] = 100437;
        $area_one['area_name'] = $poi_info[100437]['area_name'];
        $list[] = $area_one;
    } else {
        $list = $list1;
    }
    return $list;
}


?>