//定义一个大写的State类型
import { IUser, IUserInfo } from "@/types/user.uts"
export type State = {
	uid : number
	tokens : ITokens | null
	info : IUserInfo | null
	profile : UTSJSONObject | null
	// 如有需要，可增加更多属性
}

export type ITokens = {
	accessToken : string | null
	accessExpired : number | null
	refreshToken : string | null
	refreshExpired : number | null
}

// 实例化为state
const userState = reactive({
	uid: 0,
	tokens: null,
	info: null,
	profile: null
} as State)

export const isLoggedIn = computed(() => {
	const tokens = getUserToken()
	if (tokens == null) return false
	const { accessToken, accessExpired } = tokens
	return accessToken != null && accessExpired != null && accessExpired > Date.now()
})

export const setUserToken = (accessToken : string, accessExpired : number | null, refreshToken : string | null, refreshExpired : number | null) : void => {
	userState.tokens = {
		accessToken: accessToken,
		accessExpired: accessExpired ?? 0,
		refreshToken: refreshToken ?? userState.tokens?.refreshToken ?? null,
		refreshExpired: refreshExpired ?? userState.tokens?.refreshExpired ?? 0
	} as ITokens

	uni.setStorageSync('user_tokens', JSON.stringify(userState.tokens))
}
export const getUserToken = function () : ITokens | null {
	try {
		if (userState.tokens == null) {
			const storageValue = uni.getStorageSync('user_tokens')
			// 增加空字符串判断
			if (storageValue != null && storageValue.toString().length > 0) {
				// #ifndef APP
				const localTokens : string = storageValue.toString()
				const objcet = JSON.parse(localTokens) as ITokens
				// #endif
				// #ifdef APP
				const localToken = JSON.parseObject(storageValue.toString())
				const objcet = localToken?.parse<ITokens>()
				// #endif
				userState.tokens = objcet
			}
		}
		if (userState.tokens != null && userState.tokens.accessToken != null) {
			return userState.tokens
		}
	} catch (e) {
		// 建议清除无效的存储，避免下次继续报错
		uni.removeStorageSync('user_tokens')
		return null
	}
	return null
}
export const clearToken = () => {
	userState.tokens = null;
	uni.removeStorageSync('user_tokens')
}

export const getUserInfo = function () : IUserInfo | null {
	if (userState.info == null) {
		const storageValue = uni.getStorageSync('user_info')
		const localUserInfo : string = storageValue != null ? storageValue.toString() : ""
		if (localUserInfo.length > 0) {
			const objcet = JSON.parseObject(localUserInfo)
			userState.info = objcet?.parse<IUserInfo>()
			userState.uid = userState.info?.uid ??  0
		}
	}
	if (userState.info != null) {
		return userState.info
	}
	return null
}

export const setUserInfo = (info : IUserInfo | null) => {
	userState.info = info
	if (info != null) {
		uni.setStorageSync('user_info', JSON.stringify(info))
	} else {
		uni.removeStorageSync('user_info')
	}
}

export const initStore = () => {
	try {
		const tokens = getUserToken()
	} catch (e) {
		console.error('解析用户Token失败', e)
	}
	try {
		const info = getUserInfo()
	} catch (e) {
		console.error('解析用户信息失败', e)
	}

}

export default userState