import {
  describe
  , expect
  , it
} from 'bun:test'
import {
  Elysia
} from 'elysia'
import {
  treaty
} from '@elysiajs/eden'
import app from '../app.ts'

if (!process.env.WL_FIFO_PATH) throw new Error("WL_FIFO_PATH is missing in env.");
if (!process.env.WL_CREDENTIALS) throw new Error("WL_CREDENTIALS is missing in env.");


function getCredentialsFromEnv(envValue?: string): { username: string; password: string } {
  if (!envValue) throw new Error("WL_CREDENTIALS is not set");

  const firstCredential = envValue.split(";")[0]; // Get the first username:password pair
  const [username, password] = firstCredential.split(":");

  if (!username || !password) throw new Error("Invalid credentials format");

  return { username, password };
}
const { username, password } = getCredentialsFromEnv(process.env.WL_CREDENTIALS)
const opts = {
  headers: {
    authorization: "Basic " + btoa(username + ':' + password)
  }
}
const api = treaty(app)


describe
  ('Elysia', () => {
    it('return a health response', async () => {
      const { data, status } = await api.health.get()
      expect(status).toBe(200)
      expect(data).toBe("OK")
    })

    it('return a version', async () => {
      const { data, status } = await api.version.get(opts)
      expect(status).toBe(200)
      expect(data).toContain("version")
    })

    it('return a whitelist', async () => {
      const { data, status } = await api.whitelist.get(opts)
      expect(status).toBe(200)
      expect(data).toContain("07b4516336e4afe9232c73bc312642590a7d7e95")
    })

    it('writes a new info_hash to a fifo', async () => {
      const fifoFilePath = process.env.WL_FIFO_PATH!
      const fifo = Bun.file(fifoFilePath)
      const fifoExists = await fifo.exists();


      // create fifo if it doesn't exist
      if (!fifoExists) {
        await Bun.spawn(["mkfifo", fifoFilePath]).exited;
      }

      // Start a process to read from the FIFO
      const reader = Bun.spawn(["cat", fifoFilePath], { stdout: "pipe" });

      const { data, status } = await api.whitelist.post("3aa5ad5e62eaffd148cff3dbe93ff2e1e9cbcf01", opts)

      const text = await new Response(reader.stdout).text();

      expect(text).toBe("3aa5ad5e62eaffd148cff3dbe93ff2e1e9cbcf01\n")
      expect(status).toBe(200)
      expect(data).toContain("3aa5ad5e62eaffd148cff3dbe93ff2e1e9cbcf01")
    })

    it('returns 401 when username/password is missing from GET /whitelist ', async () => {
      const { status } = await api.whitelist.get()
      expect(status).toBe(401)
    })

    it('returns 401 when username/password is missing from POST /whitelist ', async () => {
      const { status } = await api.whitelist.post()
      expect(status).toBe(401)
    })

  })