import { Schema } from "mongoose";
import { EnumMap,IJson,IDocument,IObject,IInstance,IModel,IAction,IActionTypes,ILocation } from "@onebro/oba-common";

export enum FinavigatorUploadStatuses {
  N = "New",
  S = "Saved",
  Y = "Sent",
  Z = "Seen/Read",
  A = "Accepted",
  D = "Declined",
  R = "Revised",
  E = "Expired",
  C = "Cancelled",}
export type FinavigatorUploadStatus = keyof typeof FinavigatorUploadStatuses;
export type FinavigatorUploadConfig = {
  name:string;
  featured:boolean;
  loc:ILocation;};
export type FinavigatorUploadType = IObject<null> & FinavigatorUploadConfig;
export interface FinavigatorUploadDocument extends IDocument,FinavigatorUploadType {}
export interface FinavigatorUpload extends IInstance,FinavigatorUploadDocument {}
export interface FinavigatorUploadModel extends IModel<FinavigatorUpload> {}
export type FinavigatorUploadPublicKeys = "name"|"featured"|"loc";
export type FinavigatorUploadPublicData = Pick<FinavigatorUpload,FinavigatorUploadPublicKeys>;
export type FinavigatorUploadJson = IJson & FinavigatorUploadPublicData & {added:Date;};
export type FinavigatorUploadSchemaMap = {upload:Schema<FinavigatorUpload>;};
export type FinavigatorUploadActionTypes = IActionTypes;
export type FinavigatorUploadActions = EnumMap<FinavigatorUploadActionTypes,IAction>;

import fs from "fs";
import sharp from "sharp";
import {Request} from "express";

export type CustomStorageCallback = (...a:any[]) => void;
export type CustomMulterFileCallback = (req:Request,file:any,cb:CustomStorageCallback) => void;
export type CustomMulterStorageOpts = {destination:string;filename:CustomMulterFileCallback;};
export interface CustomMulterStorage extends CustomMulterStorageOpts {}
export class CustomMulterStorage {
  constructor(opts:CustomMulterStorageOpts){Object.assign(this,opts);}
  _handleFile(req:Request,file:any,cb:CustomStorageCallback){
    const outStream = fs.createWriteStream(this.destination);
    const transform = sharp().resize(200,200).jpeg();
    const size = outStream.bytesWritten;
    file.stream.pipe(transform).pipe(outStream);
    outStream.on("error",cb);
    outStream.on("finish",() => cb(null,{path:this.destination,size}));}
  _removeFile(req:Request,file:any,cb:CustomStorageCallback){fs.unlink(file.path,cb);}
}