/**
 * 微信小程序JavaScriptSDK
 * 
 * @version 1.2
 * @date 2019-03-06
 */

var ERROR_CONF = {
	KEY_ERR: 311,
	KEY_ERR_MSG: 'key格式错误',
	PARAM_ERR: 310,
	PARAM_ERR_MSG: '请求参数信息有误',
	SYSTEM_ERR: 600,
	SYSTEM_ERR_MSG: '系统错误',
	WX_ERR_CODE: 1000,
	WX_OK_CODE: 200
};
var BASE_URL = 'https://apis.map.qq.com/ws/';
var URL_SEARCH = BASE_URL + 'place/v1/search';
var URL_SUGGESTION = BASE_URL + 'place/v1/suggestion';
var URL_GET_GEOCODER = BASE_URL + 'geocoder/v1/';
var URL_CITY_LIST = BASE_URL + 'district/v1/list';
var URL_AREA_LIST = BASE_URL + 'district/v1/getchildren';
var URL_DISTANCE = BASE_URL + 'distance/v1/';
var URL_DIRECTION = BASE_URL + 'direction/v1/';
var MODE = {
	driving: 'driving',
	transit: 'transit'
};
var EARTH_RADIUS = 6378136.49;
var Utils = {
	/**
	 * md5加密方法
	 * 版权所有©2011 Sebastian Tschan，https：//blueimp.net
	 */
	safeAdd(x, y) {
		var lsw = (x & 0xffff) + (y & 0xffff);
		var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
		return (msw << 16) | (lsw & 0xffff);
	},
	bitRotateLeft(num, cnt) {
		return (num << cnt) | (num >>> (32 - cnt));
	},
	md5cmn(q, a, b, x, s, t) {
		return this.safeAdd(this.bitRotateLeft(this.safeAdd(this.safeAdd(a, q), this.safeAdd(x, t)), s), b);
	},
	md5ff(a, b, c, d, x, s, t) {
		return this.md5cmn((b & c) | (~b & d), a, b, x, s, t);
	},
	md5gg(a, b, c, d, x, s, t) {
		return this.md5cmn((b & d) | (c & ~d), a, b, x, s, t);
	},
	md5hh(a, b, c, d, x, s, t) {
		return this.md5cmn(b ^ c ^ d, a, b, x, s, t);
	},
	md5ii(a, b, c, d, x, s, t) {
		return this.md5cmn(c ^ (b | ~d), a, b, x, s, t);
	},
	binlMD5(x, len) {
		/* append padding */
		x[len >> 5] |= 0x80 << (len % 32);
		x[((len + 64) >>> 9 << 4) + 14] = len;

		var i;
		var olda;
		var oldb;
		var oldc;
		var oldd;
		var a = 1732584193;
		var b = -271733879;
		var c = -1732584194;
		var d = 271733878;

		for (i = 0; i < x.length; i += 16) {
			olda = a;
			oldb = b;
			oldc = c;
			oldd = d;

			a = this.md5ff(a, b, c, d, x[i], 7, -680876936);
			d = this.md5ff(d, a, b, c, x[i + 1], 12, -389564586);
			c = this.md5ff(c, d, a, b, x[i + 2], 17, 606105819);
			b = this.md5ff(b, c, d, a, x[i + 3], 22, -1044525330);
			a = this.md5ff(a, b, c, d, x[i + 4], 7, -176418897);
			d = this.md5ff(d, a, b, c, x[i + 5], 12, 1200080426);
			c = this.md5ff(c, d, a, b, x[i + 6], 17, -1473231341);
			b = this.md5ff(b, c, d, a, x[i + 7], 22, -45705983);
			a = this.md5ff(a, b, c, d, x[i + 8], 7, 1770035416);
			d = this.md5ff(d, a, b, c, x[i + 9], 12, -1958414417);
			c = this.md5ff(c, d, a, b, x[i + 10], 17, -42063);
			b = this.md5ff(b, c, d, a, x[i + 11], 22, -1990404162);
			a = this.md5ff(a, b, c, d, x[i + 12], 7, 1804603682);
			d = this.md5ff(d, a, b, c, x[i + 13], 12, -40341101);
			c = this.md5ff(c, d, a, b, x[i + 14], 17, -1502002290);
			b = this.md5ff(b, c, d, a, x[i + 15], 22, 1236535329);

			a = this.md5gg(a, b, c, d, x[i + 1], 5, -165796510);
			d = this.md5gg(d, a, b, c, x[i + 6], 9, -1069501632);
			c = this.md5gg(c, d, a, b, x[i + 11], 14, 643717713);
			b = this.md5gg(b, c, d, a, x[i], 20, -373897302);
			a = this.md5gg(a, b, c, d, x[i + 5], 5, -701558691);
			d = this.md5gg(d, a, b, c, x[i + 10], 9, 38016083);
			c = this.md5gg(c, d, a, b, x[i + 15], 14, -660478335);
			b = this.md5gg(b, c, d, a, x[i + 4], 20, -405537848);
			a = this.md5gg(a, b, c, d, x[i + 9], 5, 568446438);
			d = this.md5gg(d, a, b, c, x[i + 14], 9, -1019803690);
			c = this.md5gg(c, d, a, b, x[i + 3], 14, -187363961);
			b = this.md5gg(b, c, d, a, x[i + 8], 20, 1163531501);
			a = this.md5gg(a, b, c, d, x[i + 13], 5, -1444681467);
			d = this.md5gg(d, a, b, c, x[i + 2], 9, -51403784);
			c = this.md5gg(c, d, a, b, x[i + 7], 14, 1735328473);
			b = this.md5gg(b, c, d, a, x[i + 12], 20, -1926607734);

			a = this.md5hh(a, b, c, d, x[i + 5], 4, -378558);
			d = this.md5hh(d, a, b, c, x[i + 8], 11, -2022574463);
			c = this.md5hh(c, d, a, b, x[i + 11], 16, 1839030562);
			b = this.md5hh(b, c, d, a, x[i + 14], 23, -35309556);
			a = this.md5hh(a, b, c, d, x[i + 1], 4, -1530992060);
			d = this.md5hh(d, a, b, c, x[i + 4], 11, 1272893353);
			c = this.md5hh(c, d, a, b, x[i + 7], 16, -155497632);
			b = this.md5hh(b, c, d, a, x[i + 10], 23, -1094730640);
			a = this.md5hh(a, b, c, d, x[i + 13], 4, 681279174);
			d = this.md5hh(d, a, b, c, x[i], 11, -358537222);
			c = this.md5hh(c, d, a, b, x[i + 3], 16, -722521979);
			b = this.md5hh(b, c, d, a, x[i + 6], 23, 76029189);
			a = this.md5hh(a, b, c, d, x[i + 9], 4, -640364487);
			d = this.md5hh(d, a, b, c, x[i + 12], 11, -421815835);
			c = this.md5hh(c, d, a, b, x[i + 15], 16, 530742520);
			b = this.md5hh(b, c, d, a, x[i + 2], 23, -995338651);

			a = this.md5ii(a, b, c, d, x[i], 6, -198630844);
			d = this.md5ii(d, a, b, c, x[i + 7], 10, 1126891415);
			c = this.md5ii(c, d, a, b, x[i + 14], 15, -1416354905);
			b = this.md5ii(b, c, d, a, x[i + 5], 21, -57434055);
			a = this.md5ii(a, b, c, d, x[i + 12], 6, 1700485571);
			d = this.md5ii(d, a, b, c, x[i + 3], 10, -1894986606);
			c = this.md5ii(c, d, a, b, x[i + 10], 15, -1051523);
			b = this.md5ii(b, c, d, a, x[i + 1], 21, -2054922799);
			a = this.md5ii(a, b, c, d, x[i + 8], 6, 1873313359);
			d = this.md5ii(d, a, b, c, x[i + 15], 10, -30611744);
			c = this.md5ii(c, d, a, b, x[i + 6], 15, -1560198380);
			b = this.md5ii(b, c, d, a, x[i + 13], 21, 1309151649);
			a = this.md5ii(a, b, c, d, x[i + 4], 6, -145523070);
			d = this.md5ii(d, a, b, c, x[i + 11], 10, -1120210379);
			c = this.md5ii(c, d, a, b, x[i + 2], 15, 718787259);
			b = this.md5ii(b, c, d, a, x[i + 9], 21, -343485551);

			a = this.safeAdd(a, olda);
			b = this.safeAdd(b, oldb);
			c = this.safeAdd(c, oldc);
			d = this.safeAdd(d, oldd);
		}
		return [a, b, c, d];
	},
	binl2rstr(input) {
		var i;
		var output = '';
		var length32 = input.length * 32;
		for (i = 0; i < length32; i += 8) {
			output += String.fromCharCode((input[i >> 5] >>> (i % 32)) & 0xff);
		}
		return output;
	},
	rstr2binl(input) {
		var i;
		var output = [];
		output[(input.length >> 2) - 1] = undefined;
		for (i = 0; i < output.length; i += 1) {
			output[i] = 0;
		}
		var length8 = input.length * 8;
		for (i = 0; i < length8; i += 8) {
			output[i >> 5] |= (input.charCodeAt(i / 8) & 0xff) << (i % 32);
		}
		return output;
	},
	rstrMD5(s) {
		return this.binl2rstr(this.binlMD5(this.rstr2binl(s), s.length * 8));
	},
	rstrHMACMD5(key, data) {
		var i;
		var bkey = this.rstr2binl(key);
		var ipad = [];
		var opad = [];
		var hash;
		ipad[15] = opad[15] = undefined;
		if (bkey.length > 16) {
			bkey = this.binlMD5(bkey, key.length * 8);
		}
		for (i = 0; i < 16; i += 1) {
			ipad[i] = bkey[i] ^ 0x36363636;
			opad[i] = bkey[i] ^ 0x5c5c5c5c;
		}
		hash = this.binlMD5(ipad.concat(this.rstr2binl(data)), 512 + data.length * 8);
		return this.binl2rstr(this.binlMD5(opad.concat(hash), 512 + 128));
	},
	rstr2hex(input) {
		var hexTab = '0123456789abcdef';
		var output = '';
		var x;
		var i;
		for (i = 0; i < input.length; i += 1) {
			x = input.charCodeAt(i);
			output += hexTab.charAt((x >>> 4) & 0x0f) + hexTab.charAt(x & 0x0f);
		}
		return output;
	},
	str2rstrUTF8(input) {
		return unescape(encodeURIComponent(input));
	},
	rawMD5(s) {
		return this.rstrMD5(this.str2rstrUTF8(s));
	},
	hexMD5(s) {
		return this.rstr2hex(this.rawMD5(s));
	},
	rawHMACMD5(k, d) {
		return this.rstrHMACMD5(this.str2rstrUTF8(k), str2rstrUTF8(d));
	},
	hexHMACMD5(k, d) {
		return this.rstr2hex(this.rawHMACMD5(k, d));
	},

	md5(string, key, raw) {
		if (!key) {
			if (!raw) {
				return this.hexMD5(string);
			}
			return this.rawMD5(string);
		}
		if (!raw) {
			return this.hexHMACMD5(key, string);
		}
		return this.rawHMACMD5(key, string);
	},
	/**
	 * 得到md5加密后的sig参数
	 * @param {Object} requestParam 接口参数
	 * @param {String} sk签名字符串
	 * @param {String} featrue 方法名
	 * @return 返回加密后的sig参数
	 */
	getSig(requestParam, sk, feature, mode) {
		var sig = null;
		var requestArr = [];
		Object.keys(requestParam).sort().forEach(function(key) {
			requestArr.push(key + '=' + requestParam[key]);
		});
		if (feature == 'search') {
			sig = '/ws/place/v1/search?' + requestArr.join('&') + sk;
		}
		if (feature == 'suggest') {
			sig = '/ws/place/v1/suggestion?' + requestArr.join('&') + sk;
		}
		if (feature == 'reverseGeocoder') {
			sig = '/ws/geocoder/v1/?' + requestArr.join('&') + sk;
		}
		if (feature == 'geocoder') {
			sig = '/ws/geocoder/v1/?' + requestArr.join('&') + sk;
		}
		if (feature == 'getCityList') {
			sig = '/ws/district/v1/list?' + requestArr.join('&') + sk;
		}
		if (feature == 'getDistrictByCityId') {
			sig = '/ws/district/v1/getchildren?' + requestArr.join('&') + sk;
		}
		if (feature == 'calculateDistance') {
			sig = '/ws/distance/v1/?' + requestArr.join('&') + sk;
		}
		if (feature == 'direction') {
			sig = '/ws/direction/v1/' + mode + '?' + requestArr.join('&') + sk;
		}
		sig = this.md5(sig);
		return sig;
	},
	/**
	 * 得到终点query字符串
	 * @param {Array|String} 检索数据
	 */
	location2query(data) {
		if (typeof data == 'string') {
			return data;
		}
		var query = '';
		for (var i = 0; i < data.length; i++) {
			var d = data[i];
			if (!!query) {
				query += ';';
			}
			if (d.location) {
				query = query + d.location.lat + ',' + d.location.lng;
			}
			if (d.latitude && d.longitude) {
				query = query + d.latitude + ',' + d.longitude;
			}
		}
		return query;
	},

	/**
	 * 计算角度
	 */
	rad(d) {
		return d * Math.PI / 180.0;
	},
	/**
	 * 处理终点location数组
	 * @return 返回终点数组
	 */
	getEndLocation(location) {
		var to = location.split(';');
		var endLocation = [];
		for (var i = 0; i < to.length; i++) {
			endLocation.push({
				lat: parseFloat(to[i].split(',')[0]),
				lng: parseFloat(to[i].split(',')[1])
			})
		}
		return endLocation;
	},

	/**
	 * 计算两点间直线距离
	 * @param a 表示纬度差
	 * @param b 表示经度差
	 * @return 返回的是距离，单位m
	 */
	getDistance(latFrom, lngFrom, latTo, lngTo) {
		var radLatFrom = this.rad(latFrom);
		var radLatTo = this.rad(latTo);
		var a = radLatFrom - radLatTo;
		var b = this.rad(lngFrom) - this.rad(lngTo);
		var distance = 2 * Math.asin(Math.sqrt(Math.pow(Math.sin(a / 2), 2) + Math.cos(radLatFrom) * Math.cos(
			radLatTo) * Math.pow(Math.sin(b / 2), 2)));
		distance = distance * EARTH_RADIUS;
		distance = Math.round(distance * 10000) / 10000;
		return parseFloat(distance.toFixed(0));
	},
	/**
	 * 使用微信接口进行定位
	 */
	getWXLocation(success, fail, complete) {
		wx.getLocation({
			type: 'gcj02',
			success: success,
			fail: fail,
			complete: complete
		});
	},

	/**
	 * 获取location参数
	 */
	getLocationParam(location) {
		if (typeof location == 'string') {
			var locationArr = location.split(',');
			if (locationArr.length === 2) {
				location = {
					latitude: location.split(',')[0],
					longitude: location.split(',')[1]
				};
			} else {
				location = {};
			}
		}
		return location;
	},

	/**
	 * 回调函数默认处理
	 */
	polyfillParam(param) {
		param.success = param.success || function() {};
		param.fail = param.fail || function() {};
		param.complete = param.complete || function() {};
	},

	/**
	 * 验证param对应的key值是否为空
	 * 
	 * @param {Object} param 接口参数
	 * @param {String} key 对应参数的key
	 */
	checkParamKeyEmpty(param, key) {
		if (!param[key]) {
			var errconf = this.buildErrorConfig(ERROR_CONF.PARAM_ERR, ERROR_CONF.PARAM_ERR_MSG + key + '参数格式有误');
			param.fail(errconf);
			param.complete(errconf);
			return true;
		}
		return false;
	},

	/**
	 * 验证参数中是否存在检索词keyword
	 * 
	 * @param {Object} param 接口参数
	 */
	checkKeyword(param) {
		return !this.checkParamKeyEmpty(param, 'keyword');
	},

	/**
	 * 验证location值
	 * 
	 * @param {Object} param 接口参数
	 */
	checkLocation(param) {
		var location = this.getLocationParam(param.location);
		if (!location || !location.latitude || !location.longitude) {
			var errconf = this.buildErrorConfig(ERROR_CONF.PARAM_ERR, ERROR_CONF.PARAM_ERR_MSG + ' location参数格式有误');
			param.fail(errconf);
			param.complete(errconf);
			return false;
		}
		return true;
	},

	/**
	 * 构造错误数据结构
	 * @param {Number} errCode 错误码
	 * @param {Number} errMsg 错误描述
	 */
	buildErrorConfig(errCode, errMsg) {
		return {
			status: errCode,
			message: errMsg
		};
	},

	/**
	 * 
	 * 数据处理函数
	 * 根据传入参数不同处理不同数据
	 * @param {String} feature 功能名称
	 * search 地点搜索
	 * suggest关键词提示
	 * reverseGeocoder逆地址解析
	 * geocoder地址解析
	 * getCityList获取城市列表：父集
	 * getDistrictByCityId获取区县列表：子集
	 * calculateDistance距离计算
	 * @param {Object} param 接口参数
	 * @param {Object} data 数据
	 */
	handleData(param, data, feature) {
		if (feature == 'search') {
			var searchResult = data.data;
			var searchSimplify = [];
			for (var i = 0; i < searchResult.length; i++) {
				searchSimplify.push({
					id: searchResult[i].id || null,
					title: searchResult[i].title || null,
					latitude: searchResult[i].location && searchResult[i].location.lat || null,
					longitude: searchResult[i].location && searchResult[i].location.lng || null,
					address: searchResult[i].address || null,
					category: searchResult[i].category || null,
					tel: searchResult[i].tel || null,
					adcode: searchResult[i].ad_info && searchResult[i].ad_info.adcode || null,
					city: searchResult[i].ad_info && searchResult[i].ad_info.city || null,
					district: searchResult[i].ad_info && searchResult[i].ad_info.district || null,
					province: searchResult[i].ad_info && searchResult[i].ad_info.province || null
				})
			}
			param.success(data, {
				searchResult: searchResult,
				searchSimplify: searchSimplify
			})
		} else if (feature == 'suggest') {
			var suggestResult = data.data;
			var suggestSimplify = [];
			for (var i = 0; i < suggestResult.length; i++) {
				suggestSimplify.push({
					adcode: suggestResult[i].adcode || null,
					address: suggestResult[i].address || null,
					category: suggestResult[i].category || null,
					city: suggestResult[i].city || null,
					district: suggestResult[i].district || null,
					id: suggestResult[i].id || null,
					latitude: suggestResult[i].location && suggestResult[i].location.lat || null,
					longitude: suggestResult[i].location && suggestResult[i].location.lng || null,
					province: suggestResult[i].province || null,
					title: suggestResult[i].title || null,
					type: suggestResult[i].type || null
				})
			}
			param.success(data, {
				suggestResult: suggestResult,
				suggestSimplify: suggestSimplify
			})
		} else if (feature == 'reverseGeocoder') {
			var reverseGeocoderResult = data.result;
			var reverseGeocoderSimplify = {
				address: reverseGeocoderResult.address || null,
				latitude: reverseGeocoderResult.location && reverseGeocoderResult.location.lat || null,
				longitude: reverseGeocoderResult.location && reverseGeocoderResult.location.lng || null,
				adcode: reverseGeocoderResult.ad_info && reverseGeocoderResult.ad_info.adcode || null,
				city: reverseGeocoderResult.address_component && reverseGeocoderResult.address_component.city ||
					null,
				district: reverseGeocoderResult.address_component && reverseGeocoderResult.address_component
					.district || null,
				nation: reverseGeocoderResult.address_component && reverseGeocoderResult.address_component
					.nation || null,
				province: reverseGeocoderResult.address_component && reverseGeocoderResult.address_component
					.province || null,
				street: reverseGeocoderResult.address_component && reverseGeocoderResult.address_component
					.street || null,
				street_number: reverseGeocoderResult.address_component && reverseGeocoderResult
					.address_component.street_number || null,
				recommend: reverseGeocoderResult.formatted_addresses && reverseGeocoderResult
					.formatted_addresses.recommend || null,
				rough: reverseGeocoderResult.formatted_addresses && reverseGeocoderResult.formatted_addresses
					.rough || null
			};
			if (reverseGeocoderResult.pois) { //判断是否返回周边poi
				var pois = reverseGeocoderResult.pois;
				var poisSimplify = [];
				for (var i = 0; i < pois.length; i++) {
					poisSimplify.push({
						id: pois[i].id || null,
						title: pois[i].title || null,
						latitude: pois[i].location && pois[i].location.lat || null,
						longitude: pois[i].location && pois[i].location.lng || null,
						address: pois[i].address || null,
						category: pois[i].category || null,
						adcode: pois[i].ad_info && pois[i].ad_info.adcode || null,
						city: pois[i].ad_info && pois[i].ad_info.city || null,
						district: pois[i].ad_info && pois[i].ad_info.district || null,
						province: pois[i].ad_info && pois[i].ad_info.province || null
					})
				}
				param.success(data, {
					reverseGeocoderResult: reverseGeocoderResult,
					reverseGeocoderSimplify: reverseGeocoderSimplify,
					pois: pois,
					poisSimplify: poisSimplify
				})
			} else {
				param.success(data, {
					reverseGeocoderResult: reverseGeocoderResult,
					reverseGeocoderSimplify: reverseGeocoderSimplify
				})
			}
		} else if (feature == 'geocoder') {
			var geocoderResult = data.result;
			var geocoderSimplify = {
				title: geocoderResult.title || null,
				latitude: geocoderResult.location && geocoderResult.location.lat || null,
				longitude: geocoderResult.location && geocoderResult.location.lng || null,
				adcode: geocoderResult.ad_info && geocoderResult.ad_info.adcode || null,
				province: geocoderResult.address_components && geocoderResult.address_components.province ||
					null,
				city: geocoderResult.address_components && geocoderResult.address_components.city || null,
				district: geocoderResult.address_components && geocoderResult.address_components.district ||
					null,
				street: geocoderResult.address_components && geocoderResult.address_components.street || null,
				street_number: geocoderResult.address_components && geocoderResult.address_components
					.street_number || null,
				level: geocoderResult.level || null
			};
			param.success(data, {
				geocoderResult: geocoderResult,
				geocoderSimplify: geocoderSimplify
			});
		} else if (feature == 'getCityList') {
			var provinceResult = data.result[0];
			var cityResult = data.result[1];
			var districtResult = data.result[2];
			param.success(data, {
				provinceResult: provinceResult,
				cityResult: cityResult,
				districtResult: districtResult
			});
		} else if (feature == 'getDistrictByCityId') {
			var districtByCity = data.result[0];
			param.success(data, districtByCity);
		} else if (feature == 'calculateDistance') {
			var calculateDistanceResult = data.result.elements;
			var distance = [];
			for (var i = 0; i < calculateDistanceResult.length; i++) {
				distance.push(calculateDistanceResult[i].distance);
			}
			param.success(data, {
				calculateDistanceResult: calculateDistanceResult,
				distance: distance
			});
		} else if (feature == 'direction') {
			var direction = data.result.routes;
			param.success(data, direction);
		} else {
			param.success(data);
		}
	},

	/**
	 * 构造微信请求参数，公共属性处理
	 * 
	 * @param {Object} param 接口参数
	 * @param {Object} param 配置项
	 * @param {String} feature 方法名
	 */
	buildWxRequestConfig(param, options, feature) {
		var that = this;
		options.header = {
			"content-type": "application/json"
		};
		options.method = 'GET';
		options.success = function(res) {
			var data = res.data;
			if (data.status === 0) {
				that.handleData(param, data, feature);
			} else {
				param.fail(data);
			}
		};
		options.fail = function(res) {
			res.statusCode = ERROR_CONF.WX_ERR_CODE;
			param.fail(that.buildErrorConfig(ERROR_CONF.WX_ERR_CODE, res.errMsg));
		};
		options.complete = function(res) {
			var statusCode = +res.statusCode;
			switch (statusCode) {
				case ERROR_CONF.WX_ERR_CODE: {
					param.complete(that.buildErrorConfig(ERROR_CONF.WX_ERR_CODE, res.errMsg));
					break;
				}
				case ERROR_CONF.WX_OK_CODE: {
					var data = res.data;
					if (data.status === 0) {
						param.complete(data);
					} else {
						param.complete(that.buildErrorConfig(data.status, data.message));
					}
					break;
				}
				default: {
					param.complete(that.buildErrorConfig(ERROR_CONF.SYSTEM_ERR, ERROR_CONF.SYSTEM_ERR_MSG));
				}

			}
		};
		return options;
	},

	/**
	 * 处理用户参数是否传入坐标进行不同的处理
	 */
	locationProcess(param, locationsuccess, locationfail, locationcomplete) {
		var that = this;
		locationfail = locationfail || function(res) {
			res.statusCode = ERROR_CONF.WX_ERR_CODE;
			param.fail(that.buildErrorConfig(ERROR_CONF.WX_ERR_CODE, res.errMsg));
		};
		locationcomplete = locationcomplete || function(res) {
			if (res.statusCode == ERROR_CONF.WX_ERR_CODE) {
				param.complete(that.buildErrorConfig(ERROR_CONF.WX_ERR_CODE, res.errMsg));
			}
		};
		if (!param.location) {
			that.getWXLocation(locationsuccess, locationfail, locationcomplete);
		} else if (that.checkLocation(param)) {
			var location = Utils.getLocationParam(param.location);
			locationsuccess(location);
		}
	}
};


class QQMapWX {

	/**
	 * 构造函数
	 * 
	 * @param {Object} options 接口参数,key 为必选参数
	 */
	constructor(options) {
		if (!options.key) {
			throw Error('key值不能为空');
		}
		this.key = options.key;
	};

	/**
	 * POI周边检索
	 *
	 * @param {Object} options 接口参数对象
	 * 
	 * 参数对象结构可以参考
	 * @see http://lbs.qq.com/webservice_v1/guide-search.html
	 */
	search(options) {
		var that = this;
		options = options || {};

		Utils.polyfillParam(options);

		if (!Utils.checkKeyword(options)) {
			return;
		}

		var requestParam = {
			keyword: options.keyword,
			orderby: options.orderby || '_distance',
			page_size: options.page_size || 10,
			page_index: options.page_index || 1,
			output: 'json',
			key: that.key
		};

		if (options.address_format) {
			requestParam.address_format = options.address_format;
		}

		if (options.filter) {
			requestParam.filter = options.filter;
		}

		var distance = options.distance || "1000";
		var auto_extend = options.auto_extend || 1;
		var region = null;
		var rectangle = null;

		//判断城市限定参数
		if (options.region) {
			region = options.region;
		}

		//矩形限定坐标(暂时只支持字符串格式)
		if (options.rectangle) {
			rectangle = options.rectangle;
		}

		var locationsuccess = function(result) {
			if (region && !rectangle) {
				//城市限定参数拼接
				requestParam.boundary = "region(" + region + "," + auto_extend + "," + result.latitude + "," +
					result.longitude + ")";
				if (options.sig) {
					requestParam.sig = Utils.getSig(requestParam, options.sig, 'search');
				}
			} else if (rectangle && !region) {
				//矩形搜索
				requestParam.boundary = "rectangle(" + rectangle + ")";
				if (options.sig) {
					requestParam.sig = Utils.getSig(requestParam, options.sig, 'search');
				}
			} else {
				requestParam.boundary = "nearby(" + result.latitude + "," + result.longitude + "," + distance +
					"," + auto_extend + ")";
				if (options.sig) {
					requestParam.sig = Utils.getSig(requestParam, options.sig, 'search');
				}
			}
			wx.request(Utils.buildWxRequestConfig(options, {
				url: URL_SEARCH,
				data: requestParam
			}, 'search'));
		};
		Utils.locationProcess(options, locationsuccess);
	};

	/**
	 * sug模糊检索
	 *
	 * @param {Object} options 接口参数对象
	 * 
	 * 参数对象结构可以参考
	 * http://lbs.qq.com/webservice_v1/guide-suggestion.html
	 */
	getSuggestion(options) {
		var that = this;
		options = options || {};
		Utils.polyfillParam(options);

		if (!Utils.checkKeyword(options)) {
			return;
		}

		var requestParam = {
			keyword: options.keyword,
			region: options.region || '全国',
			region_fix: options.region_fix || 0,
			policy: options.policy || 0,
			page_size: options.page_size || 10, //控制显示条数
			page_index: options.page_index || 1, //控制页数
			get_subpois: options.get_subpois || 0, //返回子地点
			output: 'json',
			key: that.key
		};
		//长地址
		if (options.address_format) {
			requestParam.address_format = options.address_format;
		}
		//过滤
		if (options.filter) {
			requestParam.filter = options.filter;
		}
		//排序
		if (options.location) {
			var locationsuccess = function(result) {
				requestParam.location = result.latitude + ',' + result.longitude;
				if (options.sig) {
					requestParam.sig = Utils.getSig(requestParam, options.sig, 'suggest');
				}
				wx.request(Utils.buildWxRequestConfig(options, {
					url: URL_SUGGESTION,
					data: requestParam
				}, "suggest"));
			};
			Utils.locationProcess(options, locationsuccess);
		} else {
			if (options.sig) {
				requestParam.sig = Utils.getSig(requestParam, options.sig, 'suggest');
			}
			wx.request(Utils.buildWxRequestConfig(options, {
				url: URL_SUGGESTION,
				data: requestParam
			}, "suggest"));
		}
	};

	/**
	 * 逆地址解析
	 *
	 * @param {Object} options 接口参数对象
	 * 
	 * 请求参数结构可以参考
	 * http://lbs.qq.com/webservice_v1/guide-gcoder.html
	 */
	reverseGeocoder(options) {
		var that = this;
		options = options || {};
		Utils.polyfillParam(options);
		var requestParam = {
			coord_type: options.coord_type || 5,
			get_poi: options.get_poi || 0,
			output: 'json',
			key: that.key
		};
		if (options.poi_options) {
			requestParam.poi_options = options.poi_options
		}

		var locationsuccess = function(result) {
			requestParam.location = result.latitude + ',' + result.longitude;
			if (options.sig) {
				requestParam.sig = Utils.getSig(requestParam, options.sig, 'reverseGeocoder');
			}
			wx.request(Utils.buildWxRequestConfig(options, {
				url: URL_GET_GEOCODER,
				data: requestParam
			}, 'reverseGeocoder'));
		};
		Utils.locationProcess(options, locationsuccess);
	};

	/**
	 * 地址解析
	 *
	 * @param {Object} options 接口参数对象
	 * 
	 * 请求参数结构可以参考
	 * http://lbs.qq.com/webservice_v1/guide-geocoder.html
	 */
	geocoder(options) {
		var that = this;
		options = options || {};
		Utils.polyfillParam(options);

		if (Utils.checkParamKeyEmpty(options, 'address')) {
			return;
		}

		var requestParam = {
			address: options.address,
			output: 'json',
			key: that.key
		};

		//城市限定
		if (options.region) {
			requestParam.region = options.region;
		}

		if (options.sig) {
			requestParam.sig = Utils.getSig(requestParam, options.sig, 'geocoder');
		}

		wx.request(Utils.buildWxRequestConfig(options, {
			url: URL_GET_GEOCODER,
			data: requestParam
		}, 'geocoder'));
	};


	/**
	 * 获取城市列表
	 *
	 * @param {Object} options 接口参数对象
	 * 
	 * 请求参数结构可以参考
	 * http://lbs.qq.com/webservice_v1/guide-region.html
	 */
	getCityList(options) {
		var that = this;
		options = options || {};
		Utils.polyfillParam(options);
		var requestParam = {
			output: 'json',
			key: that.key
		};

		if (options.sig) {
			requestParam.sig = Utils.getSig(requestParam, options.sig, 'getCityList');
		}

		wx.request(Utils.buildWxRequestConfig(options, {
			url: URL_CITY_LIST,
			data: requestParam
		}, 'getCityList'));
	};

	/**
	 * 获取对应城市ID的区县列表
	 *
	 * @param {Object} options 接口参数对象
	 * 
	 * 请求参数结构可以参考
	 * http://lbs.qq.com/webservice_v1/guide-region.html
	 */
	getDistrictByCityId(options) {
		var that = this;
		options = options || {};
		Utils.polyfillParam(options);

		if (Utils.checkParamKeyEmpty(options, 'id')) {
			return;
		}

		var requestParam = {
			id: options.id || '',
			output: 'json',
			key: that.key
		};

		if (options.sig) {
			requestParam.sig = Utils.getSig(requestParam, options.sig, 'getDistrictByCityId');
		}

		wx.request(Utils.buildWxRequestConfig(options, {
			url: URL_AREA_LIST,
			data: requestParam
		}, 'getDistrictByCityId'));
	};

	/**
	 * 用于单起点到多终点的路线距离(非直线距离)计算：
	 * 支持两种距离计算方式：步行和驾车。
	 * 起点到终点最大限制直线距离10公里。
	 *
	 * 新增直线距离计算。
	 * 
	 * @param {Object} options 接口参数对象
	 * 
	 * 请求参数结构可以参考
	 * http://lbs.qq.com/webservice_v1/guide-distance.html
	 */
	calculateDistance(options) {
		var that = this;
		options = options || {};
		Utils.polyfillParam(options);

		if (Utils.checkParamKeyEmpty(options, 'to')) {
			return;
		}

		var requestParam = {
			mode: options.mode || 'walking',
			to: Utils.location2query(options.to),
			output: 'json',
			key: that.key
		};

		if (options.from) {
			options.location = options.from;
		}

		//计算直线距离
		if (requestParam.mode == 'straight') {
			var locationsuccess = function(result) {
				var locationTo = Utils.getEndLocation(requestParam.to); //处理终点坐标
				var data = {
					message: "query ok",
					result: {
						elements: []
					},
					status: 0
				};
				for (var i = 0; i < locationTo.length; i++) {
					data.result.elements.push({ //将坐标存入
						distance: Utils.getDistance(result.latitude, result.longitude, locationTo[i]
							.lat, locationTo[i].lng),
						duration: 0,
						from: {
							lat: result.latitude,
							lng: result.longitude
						},
						to: {
							lat: locationTo[i].lat,
							lng: locationTo[i].lng
						}
					});
				}
				var calculateResult = data.result.elements;
				var distanceResult = [];
				for (var i = 0; i < calculateResult.length; i++) {
					distanceResult.push(calculateResult[i].distance);
				}
				return options.success(data, {
					calculateResult: calculateResult,
					distanceResult: distanceResult
				});
			};

			Utils.locationProcess(options, locationsuccess);
		} else {
			var locationsuccess = function(result) {
				requestParam.from = result.latitude + ',' + result.longitude;
				if (options.sig) {
					requestParam.sig = Utils.getSig(requestParam, options.sig, 'calculateDistance');
				}
				wx.request(Utils.buildWxRequestConfig(options, {
					url: URL_DISTANCE,
					data: requestParam
				}, 'calculateDistance'));
			};

			Utils.locationProcess(options, locationsuccess);
		}
	};

	/**
	 * 路线规划：
	 * 
	 * @param {Object} options 接口参数对象
	 * 
	 * 请求参数结构可以参考
	 * https://lbs.qq.com/webservice_v1/guide-road.html
	 */
	direction(options) {
		var that = this;
		options = options || {};
		Utils.polyfillParam(options);

		if (Utils.checkParamKeyEmpty(options, 'to')) {
			return;
		}

		var requestParam = {
			output: 'json',
			key: that.key
		};

		//to格式处理
		if (typeof options.to == 'string') {
			requestParam.to = options.to;
		} else {
			requestParam.to = options.to.latitude + ',' + options.to.longitude;
		}
		//初始化局部请求域名
		var SET_URL_DIRECTION = null;
		//设置默认mode属性
		options.mode = options.mode || MODE.driving;

		//设置请求域名
		SET_URL_DIRECTION = URL_DIRECTION + options.mode;

		if (options.from) {
			options.location = options.from;
		}

		if (options.mode == MODE.driving) {
			if (options.from_poi) {
				requestParam.from_poi = options.from_poi;
			}
			if (options.heading) {
				requestParam.heading = options.heading;
			}
			if (options.speed) {
				requestParam.speed = options.speed;
			}
			if (options.accuracy) {
				requestParam.accuracy = options.accuracy;
			}
			if (options.road_type) {
				requestParam.road_type = options.road_type;
			}
			if (options.to_poi) {
				requestParam.to_poi = options.to_poi;
			}
			if (options.from_track) {
				requestParam.from_track = options.from_track;
			}
			if (options.waypoints) {
				requestParam.waypoints = options.waypoints;
			}
			if (options.policy) {
				requestParam.policy = options.policy;
			}
			if (options.plate_number) {
				requestParam.plate_number = options.plate_number;
			}
		}

		if (options.mode == MODE.transit) {
			if (options.departure_time) {
				requestParam.departure_time = options.departure_time;
			}
			if (options.policy) {
				requestParam.policy = options.policy;
			}
		}

		var locationsuccess = function(result) {
			requestParam.from = result.latitude + ',' + result.longitude;
			if (options.sig) {
				requestParam.sig = Utils.getSig(requestParam, options.sig, 'direction', options.mode);
			}
			wx.request(Utils.buildWxRequestConfig(options, {
				url: SET_URL_DIRECTION,
				data: requestParam
			}, 'direction'));
		};

		Utils.locationProcess(options, locationsuccess);
	}
};

// module.exports = QQMapWX;
export default QQMapWX;