index.ts

import dotenv from "dotenv"
dotenv.config()

import { Hono, Context } from "hono"
import { cors } from "hono/cors"
import { HTTPException } from "hono/http-exception"

import { authMiddleware } from "./auth-middleware"

import { S3_BUCKET, S3_ENDPOINT } from "./s3"
import { version, author } from "./package.json"
import {
  getConnectionState,
  connect as dbConnect,
  redactedConnectionString,
} from "./db"
import excelFormsRouter from "./routes/excelForms"
import { LOKI_URL } from "./logger"

const { APP_PORT = 80, IDENTIFICATION_URL } = process.env
if (!IDENTIFICATION_URL) throw "IDENTIFICATION_URL not set"

const authOptions = { url: IDENTIFICATION_URL }

dbConnect()

const app = new Hono()

app.use(cors())
app.get("/", (c: Context) => {
  return c.json({
    application: "Excel form filler",
    author,
    version,
    s3: {
      bucket: S3_BUCKET,
      endpoint: S3_ENDPOINT,
    },
    mongodb: {
      url: redactedConnectionString,
      connected: getConnectionState(),
    },
    auth: {
      url: IDENTIFICATION_URL,
    },
    loki: LOKI_URL,
  })
})

app.use(authMiddleware(authOptions))
app.route("/forms", excelFormsRouter)

app.onError((err: Error, c: Context) => {
  if (err instanceof HTTPException) {
    return err.getResponse()
  }
  return c.text(err.message, { status: 500 })
})

export default {
  port: Number(APP_PORT),
  fetch: app.fetch,
}