"use strict";

const path = require("path");
const express = require("express");
const { convertTextToClashMihomoYAML } = require("./src/convert");

const app = express();
app.use(express.json({ limit: "2mb" }));
app.use(
  express.text({ type: ["text/*", "application/octet-stream"], limit: "2mb" })
);
app.use(express.static(path.join(__dirname, "public")));

app.get("/", (req, res) => {
  res.sendFile(path.join(__dirname, "public", "index.html"));
});

app.get("/convert/clash", async (req, res) => {
  try {
    const input = (req.query.uri || "").toString();
    if (!input) return res.status(400).json({ error: "missing uri" });
    const yamlText = await convertTextToClashMihomoYAML(input);
    res.setHeader("Content-Type", "application/yaml; charset=utf-8");
    res.send(yamlText);
  } catch (err) {
    res
      .status(400)
      .json({ error: err && err.message ? err.message : String(err) });
  }
});

app.post("/convert/clash", async (req, res) => {
  try {
    const input =
      typeof req.body === "string"
        ? req.body
        : (req.body && req.body.input) || "";
    if (!input) return res.status(400).json({ error: "missing input" });
    const yamlText = await convertTextToClashMihomoYAML(input);
    res.setHeader("Content-Type", "application/yaml; charset=utf-8");
    res.send(yamlText);
  } catch (err) {
    res
      .status(400)
      .json({ error: err && err.message ? err.message : String(err) });
  }
});

const port = process.env.PORT || 8080;
app.listen(port, () => {
  // eslint-disable-next-line no-console
  console.log(`listening on http://127.0.0.1:${port}`);
});