import express from "express";
import cors from "cors";
import path from "path";
import morgan from "morgan";
import socketio from "socket.io";
import ascii from "./ascii";

import db from "./db";
const pg = require("pg");
delete pg.native;

import { connectUpstream } from "./joystream/ws";
import { setupSocket } from "./socket";
import { importEvents } from "./joystream";

import { allowedOrigins, port } from "./config.json";
const PORT: number = process.env.PORT ? +process.env.PORT : +port;

const app = express();
const server = app.listen(PORT, async () => {
  // handle arguments
  const args = process.argv.slice(2);
  if (args.length) return importEvents(args);

  console.log(`[Express] Listening on port ${PORT}`, ascii);

  const api = await connectUpstream();

  const io: any = socketio(server);
  setupSocket(io, api);
});

app.use(morgan("dev"));
app.use(cors({ credentials: true, origin: allowedOrigins.split(",") }));

// body parsing middleware
app.use(express.json());
app.use(express.urlencoded({ extended: true }));
app.use(require("body-parser").text());
app.use("/api", require("./api"));
app.use(
  "/static",
  express.static(path.resolve(__dirname, "..", "build", "static"))
);
app.get("/manifest.json", (req: any, res: any) => {
  res.sendFile(path.resolve(__dirname, "..", "build", "manifest.json"));
});
app.get("/favicon.png", (req: any, res: any) => {
  res.sendFile(path.resolve(__dirname, "..", "build", "favicon.png"));
});
app.use("*", express.static(path.resolve(__dirname, "..", "build")));

// error handling endware
app.use((err: any, req: any, res: any, next: any) => {
  console.error(err);
  console.error(err.stack);
  res.status(err.status || 500).send(err.message || "Internal server error.");
  next();
});