const TOKEN_KEY = 'app_token'
const USER_KEY = 'app_user'
const TENANT_KEY = 'app_tenant_name'
const TID_KEY = 'app_tid'
const REFRESH_KEY = 'app_refresh_token'
const SID_KEY = 'app_sid'

/** 是否启用统一认证：.env 中配置 VITE_AUTH_MODE=sso */
export function isSSOEnabled() {
	try {
		return (typeof import.meta !== 'undefined' && import.meta.env && import.meta.env.VITE_AUTH_MODE) === 'sso'
	} catch (e) {
		return false
	}
}

/** 统一认证：保存令牌与会话信息 */
export function setAuthTokens(data = {}) {
	if (data.access_token) setToken(data.access_token)
	if (data.refresh_token) uni.setStorageSync(REFRESH_KEY, data.refresh_token)
	if (data.sid) uni.setStorageSync(SID_KEY, data.sid)
}

export function getRefreshToken() {
	return uni.getStorageSync(REFRESH_KEY) || ''
}

export function getSid() {
	return uni.getStorageSync(SID_KEY) || ''
}

export function setTid(tid) {
	uni.setStorageSync(TID_KEY, tid || '')
}

export function getTid() {
	return Number(uni.getStorageSync(TID_KEY) || 0)
}
const REMEMBER_KEY = 'app_remember_me'
const REMEMBER_TENANT_KEY = 'app_remember_tenant'
const REMEMBER_ACCOUNT_KEY = 'app_remember_account'
const REMEMBER_PASSWORD_KEY = 'app_remember_password'

export function setToken(token) {
	uni.setStorageSync(TOKEN_KEY, token || '')
}

export function getToken() {
	return uni.getStorageSync(TOKEN_KEY) || ''
}

export function setUser(user) {
	uni.setStorageSync(USER_KEY, user || null)
}

export function getUser() {
	return uni.getStorageSync(USER_KEY) || null
}

export function setTenantName(name) {
	uni.setStorageSync(TENANT_KEY, name || '')
}

export function getTenantName() {
	return uni.getStorageSync(TENANT_KEY) || ''
}

export function isLoggedIn() {
	return !!getToken()
}

export function logout() {
	uni.removeStorageSync(TOKEN_KEY)
	uni.removeStorageSync(USER_KEY)
	uni.removeStorageSync(REFRESH_KEY)
	uni.removeStorageSync(SID_KEY)
}

/** 是否开启记住账号登录信息 */
export function isRememberLogin() {
	return uni.getStorageSync(REMEMBER_KEY) === '1'
}

/**
 * 读取记住的账号登录信息。
 * 安全说明：不再保存/回填密码，仅记住租户名与账号。
 */
export function getRememberLogin() {
	if (!isRememberLogin()) {
		return { rememberMe: false, tenantName: '', account: '' }
	}
	return {
		rememberMe: true,
		tenantName: uni.getStorageSync(REMEMBER_TENANT_KEY) || '',
		account: uni.getStorageSync(REMEMBER_ACCOUNT_KEY) || ''
	}
}

/** 保存账号登录信息（租户、账号；不含密码） */
export function saveRememberLogin({ tenantName = '', account = '' } = {}) {
	uni.setStorageSync(REMEMBER_KEY, '1')
	uni.setStorageSync(REMEMBER_TENANT_KEY, tenantName)
	uni.setStorageSync(REMEMBER_ACCOUNT_KEY, account)
	// 历史版本可能已落盘明文密码，这里一并清理
	uni.removeStorageSync(REMEMBER_PASSWORD_KEY)
}

/** 清除记住的账号登录信息 */
export function clearRememberLogin() {
	uni.removeStorageSync(REMEMBER_KEY)
	uni.removeStorageSync(REMEMBER_TENANT_KEY)
	uni.removeStorageSync(REMEMBER_ACCOUNT_KEY)
	uni.removeStorageSync(REMEMBER_PASSWORD_KEY)
}

/**
 * 登录成功写入 token 与用户信息
 * @param {{ token?: string, user?: object, nickname?: string, phone?: string, account?: string, name?: string, avatar?: string, id?: number|string }} payload
 */
export function loginSuccess(payload = {}) {
	const token = payload.token || payload.access_token || ''
	if (token) {
		setToken(token)
	}

	const rawUser = payload.user || payload
	const user = {
		id: rawUser.id,
		account: rawUser.account || '',
		name: rawUser.name || '',
		nickname: rawUser.nickname || rawUser.name || rawUser.account || '云泽用户',
		avatar: rawUser.avatar || '',
		phone: rawUser.phone || payload.phone || '',
		tid: rawUser.tid,
		rid: rawUser.rid,
		role_name: rawUser.role_name || '',
		...rawUser
	}
	// 保证 nickname 可用
	if (!user.nickname) {
		user.nickname = user.name || user.account || '云泽用户'
	}
	setUser(user)
	return user
}