import {
	cache_preffix,
	sign_key,
	api_key,
} from './setting.js'
import CryptoJS from 'crypto-js'

/**
 * 设置缓存
 * @param {*} key 键名
 * @param {*} data  数据
 */
export const setSycCache = (key = '', data = {}) => {
	uni.setStorageSync(cache_preffix + '.' + key, data);
}

/**
 * 获取缓存
 * @param {*} key 键名
 * @param {*} defaultValue  默认值
 */
export const getSycCache = (key = '', defaultValue = '') => {
	var data = uni.getStorageSync(cache_preffix + '.' + key);
	return data = typeof(data) != 'undefined' ? data : defaultValue;
}

/**
 * 清除缓存
 * @param {*} key 键名
 */
export const removeSycCache = (key = '') => {
	uni.removeStorageSync(cache_preffix + '.' + key);
}

/**
 * 设置token
 * @param {*} token
 */
export const setToken = (token) => {
	uni.setStorageSync(cache_preffix + '.token', token)
}

/**
 * 获取token
 */
export const getToken = () => {
	return uni.getStorageSync(cache_preffix + '.token')
}

/**
 * 获取签名
 */
export const getSign = (signStr) => {
	//console.log(signStr)
	let sign = CryptoJS.MD5(signStr + '&key=' + sign_key).toString()
	sign = CryptoJS.MD5(sign + sign.substr(0, 6)) + '' + sign.toString().substr(2, 4)
	sign = sign.toString().toUpperCase()
	return sign
}

// 加密（originText：原始文本，key：密钥）
export const encryptDES = (originText, key = '') => {
	key = typeof(key) != 'undefined' && key ? key : api_key;
	let keyHex = CryptoJS.enc.Utf8.parse(key)
	let iv = key.substr(0, 14) + 'IV';
	if (originText) {
		const encrypt = CryptoJS.AES.encrypt(originText, keyHex, {
			iv: CryptoJS.enc.Utf8.parse(iv),
			mode: CryptoJS.mode.CBC,
			padding: CryptoJS.pad.Pkcs7
		})
		return encrypt.ciphertext.toString().toUpperCase();
	}
	return ''
}