define(['$','base'], function($, base) {

    var config = {
        suggestion: 'http://api.map.baidu.com/place/v2/suggestion',
        search: 'http://api.map.baidu.com/place/v2/search',
        ak: 'B349f0b32ef6e78b2e678f45cb9fddaf',
        output: 'json',
        query: '',
        region: ''
    };

    var MapApi = function() {
        if (typeof MapApi.instance === 'object') {
            return MapApi.instance;
        }
        MapApi.instance = this;
        this.isLoading = false;
    }

    MapApi.prototype = new base();

    var apiErrorResult = {

        success: false,
        message: '加载哥遇到瓶颈再来一遍嘛 <(￣︶￣)>'
    };

    MapApi.prototype = {
        // 根据城市
        getSuggestionList: function (query, region, callback) {
            var that = this;
            this.isLoading = true;
            $.autoAjax({
                url: config.suggestion,
                data: {
                    ak: config.ak,
                    output: config.output,
                    query: query,
                    region: region
                },
                dataType: 'JSON',
                success: function(res) {
                    that.isLoading = false;
                    if (callback) {
                        callback(res);
                    }
                },
                error: function(res) {
                    that.isLoading = false;
                    if (callback) {
                        callback(apiErrorResult);
                    }
                }
            });
        },
        // 根据坐标
        getPlaceList: function (query, location, callback) {
            var that = this;
            this.isLoading = true;
            $.autoAjax({
                url: config.search,
                data: {
                    ak: config.ak,
                    output: config.output,
                    query: query, // 检索关键字
                    page_size: '10', // 返回记录数量，默认为10条记录，最大返回结果为20条。
                    page_num: '0', // 分页页码，默认为0,0代表第一页，1代表第二页，以此类推。
                    scope: '1', // 检索结果详细程度。取值为1 或空，则返回基本信息；取值为2，返回检索POI详细信息
                    location: location, // 周边检索中心点，不支持多个点。
                    radius: '2000' // 周边检索半径，单位为米。
                },
                dataType: 'JSON',
                success: function(res) {
                    that.isLoading = false;
                    if (callback) {
                        callback(res);
                    }
                },
                error: function(res) {
                    that.isLoading = false;
                    if (callback) {
                        callback(apiErrorResult);
                    }
                }
            });
        },
        getSearchList: function (q, region, callback) {
            var that = this;
            this.isLoading = true;
            $.autoAjax({
                url: config.search,
                data: {
                    ak: config.ak,
                    output: config.output,
                    q: q, // 检索关键字,
                    region: region
                },
                dataType: 'JSON',
                success: function(res) {
                    that.isLoading = false;
                    if (callback) {
                        callback(res);
                    }
                },
                error: function(res) {
                    that.isLoading = false;
                    if (callback) {
                        callback(apiErrorResult);
                    }
                }
            });
        }

    }

    return new MapApi();
});