const TOKEN_KEY = 'access_token'
const USER_INFO_KEY = 'user_info'
const QUESTION_KEY = 'question'
const ANSWERED_QUESTIONS_KEY = 'answered_questions'

const storage = {
	setToken(token) {
		uni.setStorageSync(TOKEN_KEY, token)
	},

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

	removeToken() {
		uni.removeStorageSync(TOKEN_KEY)
	},

	setUserInfo(userInfo) {
		uni.setStorageSync(USER_INFO_KEY, userInfo)
	},

	getUserInfo() {
		return uni.getStorageSync(USER_INFO_KEY) || null
	},

	removeUserInfo() {
		uni.removeStorageSync(USER_INFO_KEY)
	},

	setQuestion(question) {
		uni.setStorageSync(QUESTION_KEY, question)
	},

	getQuestion() {
		return uni.getStorageSync(QUESTION_KEY) || null
	},

	removeQuestion() {
		uni.removeStorageSync(QUESTION_KEY)
	},

	addAnsweredQuestion(sn) {
		const answeredQuestions = this.getAnsweredQuestions()
		if (!answeredQuestions.includes(sn)) {
			answeredQuestions.push(sn)
			uni.setStorageSync(ANSWERED_QUESTIONS_KEY, answeredQuestions)
		}
	},

	getAnsweredQuestions() {
		return uni.getStorageSync(ANSWERED_QUESTIONS_KEY) || []
	},

	isQuestionAnswered(sn) {
		const answeredQuestions = this.getAnsweredQuestions()
		return answeredQuestions.includes(sn)
	},

	clearAnsweredQuestions() {
		uni.removeStorageSync(ANSWERED_QUESTIONS_KEY)
	},

	clearAll() {
		uni.clearStorageSync()
	}
}

export default storage