import axios from 'axios/dist/axios'
import {
    ElNotification,
    ElMessageBox,
    ElMessage,
    ElLoading
} from 'element-plus'
import {getToken} from '@/utils/auth'
import errorCode from '@/utils/errorCode'
import {tansParams, blobValidate} from '@/utils/ruoyi'
import cache from '@/plugins/cache'
import modal from '@/plugins/modal'
import {saveAs} from 'file-saver'
import {sendNotification} from '@/assets/lib/extend'

let downloadLoadingInstance
// 是否显示重新登录
export const isRelogin = {show: false}

axios.defaults.headers['Content-Type'] = 'application/json;charset=utf-8'

// 创建axios实例
const service = axios.create({
    // axios中请求配置有baseURL选项，表示请求URL公共部分
    baseURL: import.meta.env.VITE_APP_BASE_API,
    // 超时
    timeout: 0
})


// request拦截器
service.interceptors.request.use(
    (config) => {
        if (!config.url) {
            config.url = '/portal/r/jd?cmd=com.dr.coslexpro.cwys.unifiedInterface'
        }

        // 是否需要设置 token
        const isToken = (config.headers || {}).isToken === false
        // 是否需要防止数据重复提交
        const isRepeatSubmit = (config.headers || {}).repeatSubmit === false
        if (getToken() && !isToken) {
            config.headers['Authorization'] = 'Bearer ' + getToken() // 让每个请求携带自定义token 请根据实际情况自行修改
        }

        // get请求映射params参数
        if (config.method === 'get') {
            if (!config.params) {
                config.params = {
                    t: new Date().valueOf()
                }
            } else {
                config.params.t = new Date().valueOf()
            }

            let url = config.url + '?' + tansParams(config.params)
            url = url.slice(0, -1)
            config.params = {}
            config.url = url
        }
        if (
            !isRepeatSubmit &&
            (config.method === 'post' || config.method === 'put')
        ) {
            const requestObj = {
                url: config.url,
                data:
                    typeof config.data === 'object'
                        ? JSON.stringify(config.data)
                        : config.data,
                time: new Date().valueOf()
            }
            const sessionObj = cache.session.getJSON('sessionObj')
            if (
                sessionObj === undefined ||
                sessionObj === null ||
                sessionObj === ''
            ) {
                cache.session.setJSON('sessionObj', requestObj)
            } else {
                const s_url = sessionObj.url // 请求地址
                const s_data = sessionObj.data // 请求数据
                const s_time = sessionObj.time // 请求时间
                const interval = 1000 // 间隔时间(ms)，小于此时间视为重复提交
                // if (
                //     s_data === requestObj.data &&
                //     requestObj.time - s_time < interval &&
                //     s_url === requestObj.url
                // ) {
                //     const message = '数据正在处理，请勿重复提交'
                //     console.warn(`[${s_url}]: ` + message)
                //     modal.closeLoading()
                //     return Promise.reject(new Error(message))
                // } else {
                //     cache.session.setJSON('sessionObj', requestObj)
                // }
                cache.session.setJSON('sessionObj', requestObj)
            }
        }
        return config
    },
    (error) => {
        console.log(error)
        Promise.reject(error)
    }
)


// 响应拦截器
service.interceptors.response.use(
    (res) => {
        // 未设置状态码则默认成功状态
        const code = res.code || 200
        // 获取错误信息
        const msg = errorCode[code] || res.data.msg
        // const msg = errorCode[code] || res.data.msg || errorCode['default']
        // 二进制数据则直接返回
        // debugger

        if (
            res.request.responseType === 'blob' ||
            res.request.responseType === 'arraybuffer'
        ) {
            return res
        }

        if (code === 401) {
            if (!isRelogin.show) {
                isRelogin.show = true
                // ElMessage({ message: '登录状态已过期', type: 'error' })
                // ElMessageBox.confirm(
                //   '登录状态已过期，您可以继续留在该页面，或者重新登录',
                //   '系统提示',
                //   {
                //     confirmButtonText: '好的',
                //     cancelButtonText: '取消',
                //     type: 'warning'
                //   }
                // )
                //   .then(() => {
                //     isRelogin.show = false
                //     useUserStore()
                //       .logOut()
                //       .then(() => {
                //         location.reload()
                //       })
                //   })
                //   .catch(() => {
                //     isRelogin.show = false
                //   })
            }
            return Promise.reject('会话已过期，请重新登录。')
        } else if (code === 500) {
            if (msg) {
                ElMessage({message: msg, type: 'error'})
                sendNotification('错误提示', {body: msg})
            }
            return Promise.reject(new Error(msg))
        } else if (code === 601) {
            ElMessage({message: msg, type: 'warning'})
            return Promise.reject(new Error(msg))
        } else if (code !== 200) {
            ElNotification.error({title: msg})
            return Promise.reject('error')
        } else {
            return Promise.resolve(res.data)
        }
    },
    (error) => {
        console.log('err' + error)
        let {message} = error
        if (message === 'Network Error') {
            message = '后端接口连接异常'
        } else if (message.includes('timeout')) {
            message = '系统接口请求超时'
        } else if (message.includes('Request failed with status code')) {
            message = '系统接口' + message.substr(message.length - 3) + '异常'
        }
        ElMessage({message: message, type: 'error', duration: 5 * 1000})
        sendNotification('错误提示', {body: message})
        modal.closeLoading()
        return Promise.reject(error)
    }
)

// 通用下载方法
export function download(url, params, filename, config) {
    downloadLoadingInstance = ElLoading.service({
        text: '正在下载数据，请稍候',
        background: 'rgba(0, 0, 0, 0.7)'
    })
    return service
        .post(url, params, {
            transformRequest: [
                (params) => {
                    return tansParams(params)
                }
            ],
            headers: {'Content-Type': 'application/x-www-form-urlencoded'},
            responseType: 'blob',
            ...config
        })
        .then(async (res) => {
            const data = res.data
            const isBlob = blobValidate(data)
            if (isBlob) {
                let hz = ''
                if (res.headers['content-disposition'].indexOf('zip') > -1 || res.headers['content-type'].indexOf('pdf') > -1) {
                    // if (res.headers['content-type'].indexOf('zip') > -1) {
                    //   hz = '.zip'
                    // } else if (res.headers['content-type'].indexOf('pdf') > -1) {
                    //   hz = '.pdf'
                    // }
                    const index = res.headers['content-disposition'].indexOf('=')
                    hz = res.headers['content-disposition'].substr(index + 1, res.headers['content-disposition'].length)
                }
                const blob = new Blob([data])
                saveAs(blob, hz ? filename = decodeURIComponent(hz) : filename)
            } else {
                const resText = await data.text()
                const rspObj = JSON.parse(resText)
                const errMsg = errorCode[rspObj.code] || rspObj.msg || errorCode['default']
                ElMessage.error(errMsg)
                downloadLoadingInstance.close()
            }
            downloadLoadingInstance.close()
        })
        .catch((r) => {
            console.error(r)
            ElMessage.error('下载文件出现错误，请联系管理员！')
            downloadLoadingInstance.close()
        })
}

export default service