const routerPath = {
  index: '/pages/index/index', // 首页
  register: '/pages/register/register', // 注册
  authorize: '/pages/authorize/authorize', // 授权
	example: '/pages/example/example',
	more: '/pages/more/more',
}

function parse(data) {
	let tempArr = [];
	for (let key in data) {
		tempArr.push(key + '=' + encodeURIComponent(data[key]));
	}
	return tempArr.join('&');
}

function push(path, option = {}) {
	if (typeof path == 'string') {
		option.path = path; //兼容无参数路径
	} else {
		option = path;
	}
	// console.log("option:", option);
	// 配置key值找到对应path
	let url = routerPath[option.path] || routerPath['index'];
	// console.log("url:", url);
	// 读取传入的配置参数
	let {
		query = {}, openType = 'navigate', duration = 0
	} = option;
	// json 转换为 字符串拼接参数
	let params = parse(query)
	// console.log("params:", params);
	if (params) {
		url = url + '?' + params;
	}
	// 是否需要延时跳转
	duration ? setTimeout(() => {
		to(openType, url);
	}, duration) : to(openType, url);
}

function to(openType, url) {
	let obj = {
		url
	};

	if (openType == 'redirect') {
		wx.redirectTo(obj);
	} else if (openType == 'reLaunch') {
		wx.reLaunch(obj);
	} else if (openType == 'switchTab') {
		wx.switchTab(obj);
	} else if (openType == 'back') {
		wx.navigateBack({
			delta: 1
		});
	} else {
		wx.navigateTo(obj);
	}
}

module.exports = {
	parse,
	push,
	to
}