import { Controller, Get } from "@overnightjs/core";
import { File } from "../models/init-models.js";
import { StatusCodes } from "http-status-codes";
import { Request, Response } from "express";
import * as path from "path";
import * as fs from "fs";

@Controller("file")
export class FileController {
    // constructor() {}

    @Get("download/:id")
    public async findOne(req: Request, res: Response) {
        const id = req.params.id;
        const file = await File.findOne({
            where: { id: id },
        });
        if (file) {
            const filePath = "/storage/app/public/" + file.path_name;
            const ext = path.extname(filePath);
            const fileName = file.label + ext;
            try {
                fs.accessSync(filePath, fs.constants.R_OK | fs.constants.W_OK);
                // console.log("can read/write:", path);
                res.set({
                    "Cache-Control": "no-cache private",
                    "Content-Description": "File Transfer",
                    "Content-Type": file.mime_type,
                    "Content-Disposition": "inline; filename=" + fileName,
                    "Content-Transfer-Encoding": "binary",
                });
                res.status(StatusCodes.OK).sendFile(filePath);
            } catch (err) {
                // console.log("no access:", path);
                res.status(StatusCodes.NOT_FOUND).send({
                    message: `File with id ${id} doesn't exist on file server`,
                });
            }

            // res.status(StatusCodes.OK).sendFile(filePath, (err) => {
            //     // res.setHeader("Content-Type", "application/json");
            //     // res.removeHeader("Content-Disposition");
            //     res.status(StatusCodes.NOT_FOUND).send({
            //         message: `File with id ${id} doesn't exist on file server`,
            //     });
            // });
        } else {
            res.status(StatusCodes.NOT_FOUND).send({
                message: `Cannot find File with id=${id}.`,
            });
        }
    }
}