import test from 'ava'
import fetch from 'node-fetch'
import child_process from 'child_process'

const SERVER_LAUNCH_WAIT_TIME = 10 * 1000
const SERVER_ROOT = 'http://localhost:4040'
let server_proc = null
let server_exited = false
function checkStatus(res) {
	if (res.ok) {
		return res
	} else {
		throw new Error('Route is not present')
	}
}

/* SETUP: launch a development server with a wait time */
test.before.cb(t => {
  console.log("launching server...")
  server_proc = child_process.spawn('yarn', ['dev'], {
    cwd: '.',
    stdio: 'ignore'
  })

  server_proc.on('exit', function(code, signal) {
    server_exited = true
  })

  setTimeout(t.end, SERVER_LAUNCH_WAIT_TIME)
})

/* CLEANUP: kill the server */
test.after(function() {
  console.log("killing server...")
  server_proc.kill('SIGKILL')
})

test('should launch', t => {
  t.false(server_exited)
})


test('should update', t => {
	const expected = {
		success: "All sheets updated"
	}

	return fetch(`${SERVER_ROOT}/api/update`)
		.then(checkStatus)
		.then(res => res.json())
		.then(json => {
			t.deepEqual(json, expected)
		})
})


const passUrls = [
  // /
  '/api/',
  // /blueprints
  '/api/blueprints',
  // /:sheet/:tab/:resource
  '/api/example/export_events/rows',
  // /:sheet/:tab/:resource/:frag
  '/api/example/export_events/rows/1'
]

const failUrls = [
  // /:sheet
  '/api/example',
  // /:sheet/:tab
  '/api/example/events'
]

passUrls.forEach(function(url) {
	test(`should respond successfully to request for ${url}`, t => {
		return fetch(`${SERVER_ROOT}${url}`)
			.then(checkStatus)
			.then(res => res.json())
			.then(json => {
				t.pass()
			})
  })
})

failUrls.forEach(function(url) {
  test(`should respond with 404 for ${url}`, t => {
		return fetch(`${SERVER_ROOT}${url}`)
			.then(res => {
				if (!res.ok) {
					t.pass()
				} else {
					t.fail()
				}
			})
  })
})