import Vue from 'vue'
import Vuex from 'vuex'
Vue.use(Vuex)

let lifeData = {};

try{
	// 尝试获取本地是否存在lifeData变量，第一次启动APP时是不存在的
	lifeData = uni.getStorageSync('lifeData');
} catch(e) {

}

// 需要永久存储，且下次APP启动需要取出的，在state中的变量名
let saveStateKeys = ['vuex_token', 'vuex_user'];

// 保存变量到本地存储中
const saveLifeData = function(key, value){
	// 判断变量名是否在需要存储的数组中
	if(saveStateKeys.indexOf(key) != -1) {
		// 获取本地存储的lifeData对象，将变量添加到对象中
		let tmp = uni.getStorageSync('lifeData');
		// 第一次打开APP，不存在lifeData变量，故放一个{}空对象
		tmp = tmp ? tmp : {};
		tmp[key] = value;
		// 执行这一步后，所有需要存储的变量，都挂载在本地的lifeData对象中
		uni.setStorageSync('lifeData', tmp);
	}
}
const store = new Vuex.Store({
	// 下面这些值仅为示例，使用过程中请删除
	state: {
		// 如果上面从本地获取的lifeData对象下有对应的属性，就赋值给state中对应的变量
		// 加上vuex_前缀，是防止变量名冲突，也让人一目了然
		// 如果vuex_version无需保存到本地永久存储，无需lifeData.vuex_version方式
		vuex_version: '1.0.0',
		vuex_default_icon: '/static/logo-mini.png',
		vuex_token: '',
		vuex_user: {},

		vuex_site: {
			name: '',
			id: ''
		},
		vuex_location: {
			latitude: '',
			longitude: '',
			city: '',
			cityCode: '',
			status: 0, // 0失败 1成功 2手动选择
		},
		vuex_order_status: [
			{
				name: "全部",
				value: "",
			},
			{
				name: "待支付",
				value: 0,
			},
			{
				name: "已支付",
				value: 1,
			},
			{
				name: "已退款",
				value: 2,
			}
			// {
			//   name: '已取消'
			// }
		]
	},
	mutations: {
		$uStore(state, payload) {
			// 判断是否多层级调用，state中为对象存在的情况，诸如user.info.score = 1
			let nameArr = payload.name.split('.');
			let saveKey = '';
			let len = nameArr.length;
			if(nameArr.length >= 2) {
				let obj = state[nameArr[0]];
				for(let i = 1; i < len - 1; i ++) {
					obj = obj[nameArr[i]];
				}
				obj[nameArr[len - 1]] = payload.value;
				saveKey = nameArr[0];
			} else {
				// 单层级变量，在state就是一个普通变量的情况
				state[payload.name] = payload.value;
				saveKey = payload.name;
			}
			// 保存变量到本地，见顶部函数定义
			saveLifeData(saveKey, state[saveKey])
		},

		SET_CITY(state, { cityName, cityCode }) {
			state.vuex_location.city = cityName
			state.vuex_location.cityCode = cityCode
			state.vuex_location.status = 2
		}
	},
	actions: {
		async getLocation({ state }) {
			try {
				const [err, res] = await uni.getLocation({
					type: 'gcj02'
				})
				if (err) {
					await Promise.reject(err)
				}
				console.log(state, res)
				state.vuex_location.latitude = res.latitude;
				state.vuex_location.longitude = res.longitude;
				const address = await new Promise((resolve, reject) => {
					Vue.prototype.$qqmapsdk.reverseGeocoder({
						location: {
							latitude: res.latitude,
							longitude: res.longitude
						},
						success: address => resolve(address),
						fail: error => reject(error)
					})
				})
				console.log('address', address)
				if (!!address.status) {
					await Promise.reject(address.message)
				}
				state.vuex_location.city = address?.result?.ad_info.city
				state.vuex_location.cityCode = address?.result?.ad_info?.city_code
				state.vuex_location.status = 1
				return {
					address,
					pos: {
						latitude: res.latitude,
						longitude: res.longitude
					}
				}
			} catch (err) {
				console.error(err)
				state.vuex_location.status = 0
				uni.showToast({
					title: '获取定位失败',
					icon: 'none',
					duration: 2000
				})
			}
		}
	}
})

export default store