import sysconfig from '../sysconfig/sysconfig.js'
import crypt from './crypt.js'

let Fly = require("flyio")//引入fly包
let fly = new Fly()

//接口地址
fly.config.baseURL = sysconfig.baseURL

//请求拦截，config是请求对象
fly.interceptors.request.use((config) => {
    //组织请求参数密钥
    const aesKey = sysconfig.copyright + sysconfig.app.snCode

    //同步读取本地token
    const token = wx.getStorageSync(sysconfig.user.tokenKey)

    if (token) {
        //判断当前请求api是否在白名单内，在白名单内的api不需要添加token
        let apiName = ""
        const urlList = config.url.split("/")
        const apiWhiteList = sysconfig.apiWhiteList
        if (urlList.length > 1) {
            apiName = urlList[1]
        } else {
            apiName = urlList[0]
        }

        //不在白名单内，则添加token,并且对token进行加密
        if (!apiWhiteList.includes(apiName)) {
            let item = {}
            item["rnd"] = Math.random().toString()
            item["token"] = token
            let plaintext = JSON.stringify(item)

            //对token进行加密
            const ciphertext = crypt.aesEncode(plaintext, aesKey)
            config.headers.Authorization = ciphertext
        }
    }

    //对get参数进行加密
    if (config.params && (Object.keys(config.params).length) > 0) {
        const params = config.params
        const paramsText = JSON.stringify(params)
        if (paramsText != "{}") {
            const ciphertext = crypt.aesEncode(params, aesKey)
            config.params = {}
            config.params = ciphertext
        }
    }

    //对post参数进行加密
    if (config.body && (Object.keys(config.body).length) > 0) {
        const plaintext = JSON.stringify(config.body)
        const ciphertext = crypt.aesEncode(plaintext, aesKey)
        config.body = {}
        config.body = ciphertext
    }
    return config
}, error => {
    return Promise.reject(error)
})

export default fly