import { auth, config, method, route, swagger, validate } from "@noderun/hapi-router"
import UploadFunc from "./_upload"
import path, { resolve } from "path";
import { gFail, uploadDir } from "@/util";
import { fileTypeFromFile, fileTypeFromStream } from "file-type";
import { dateTimeFormat } from "@/util/util";
import fs from "fs-extra";
import { Req, Res } from "#/global";
const multiparty = require("multiparty")

export default class {
    @config({
        payload: {
            maxBytes: 20000 * 1024 * 1024,
            output: "stream",
            parse: false,
            multipart: true,
            timeout: false,
            allow: ["multipart/form-data", "application/x-www-form-urlencoded"],
        },
    })
    @method("POST")
    @auth()
    async index(request: Req, h: Res) {
        const { id } = request.auth.credentials
        const { filelist, fields } = await Save(request.payload)
        const result = {}
        if (fields["username"] && fields["username"][0]) {
            result["username"] = fields["username"][0]
        }
        if (filelist && filelist[0]) {
            result["avatar"] = filelist[0]
        }
        if (JSON.stringify(result) !== "{}") {
            const UserModel = request.getModel("user")
            UserModel.update(result, { where: { id } })
        }
        return h.redirect("/user")
    }
}

function saveFile(file) {
    return new Promise(async (resolve, reject) => {
        const filename = file.originalFilename
        const uploadedPath = file.path
        const filetype = await fileTypeFromFile(uploadedPath)
        const _file = path.parse(filename)
        if (filetype && (filetype.ext == "jpg" || filetype.ext == "png")) {
            let _name =
                _file.name + "_" + dateTimeFormat(new Date(), "yyyy_MM_dd") + "_" + new Date().getTime() + _file.ext
            const dstPath = path.resolve(uploadDir, _name)
            fs.rename(uploadedPath, dstPath, function (err) {
                if (err) {
                    console.log("rename error: " + err)
                    reject()
                } else {
                    resolve(path.resolve("/public/upload/" + _name))
                }
            })
        } else {
            fs.unlinkSync(uploadedPath)
            reject(new Error(filename + "文件不是图片"))
        }
    })
}

function Save(payload) {
    const form = new multiparty.Form({
        uploadDir: uploadDir, //路径需要对应自己的项目更改
        /*设置文件保存路径 */
        encoding: "utf-8",
        /*编码设置 */
        maxFilesSize: 20000 * 1024 * 1024,
        /*设置文件最大值 20MB */
        keepExtensions: true,
        /*保留后缀*/
    })
    return new Promise<any>(async (resolve, reject) => {
        form.on("part", function (part) {
            console.log(1111)
            console.log(part.filename)
        })
        form.on("progress", function (bytesReceived, bytesExpected) {
            if (bytesExpected === null) {
                return
            }

            // var percentComplete = (bytesReceived / bytesExpected) * 100
            // console.log("the form is " + Math.floor(percentComplete) + "%" + " complete")
        })
        form.parse(payload, async function (err, fields, files) {
            // console.log(err, fields, files);
            if (err) {
                reject(err.message)
                return
            }
            const errList = []
            const fileList = []
            if (files && files.file && files.file.length) {
                for (let i = 0; i < files.file.length; i++) {
                    const file = files.file[i]
                    if (file.originalFilename === "" && file.size === 0) {
                        const uploadedPath = file.path
                        fs.unlinkSync(uploadedPath)
                        continue
                    }
                    try {
                        const dstPath = await saveFile(file)
                        fileList.push(dstPath)
                    } catch (error) {
                        errList.push(error.message)
                    }
                }
            }
            if (errList.length) {
                resolve(gFail(null, errList.join("\n")))
                return
            }
            resolve({
                fields,
                filelist: [...new Set(fileList)]
            })
        })
    })
}