import { expect } from 'chai'
import * as request from 'supertest'
import * as express from 'express'
import { resolve } from 'path'
import { Liquid } from '../..'

describe('express()', function () {
  const root = resolve(__dirname, '../stub/root')
  const views = resolve(__dirname, '../stub/views')
  const partials = resolve(__dirname, '../stub/partials')
  let app: express.Application, engine: Liquid

  beforeEach(function () {
    app = express()
    engine = new Liquid({
      root,
      extname: '.html'
    })

    app.set('view engine', 'html')
    app.engine('html', engine.express())

    app.get('/name', (req, res) => res.render('name', {
      name: 'harttle'
    }))
    app.get('/include/:file', (req, res) => res.render('include', {
      file: req.params.file
    }))
  })
  it('should respect express views(array)', function (done) {
    app.set('views', [views])
    request(app).get('/name')
      .expect('My name is harttle.')
      .expect(200, done)
  })
  it('should respect express views(string)', function (done) {
    app.set('views', views)
    request(app).get('/include/bar')
      .expect('bar')
      .expect(200, done)
  })
  it('should pass error when file not found', function (done) {
    const view = {
      root: []
    }
    const file = '/not-exist.html'
    const ctx = {}
    engine.express().call(view, file, ctx, function (err: any) {
      try {
        expect(err.code).to.equal('ENOENT')
        expect(err.message).to.match(/Failed to lookup/)
        done()
      } catch (e) {
        done(e)
      }
    })
  })
  it('should respect root option when lookup', function (done) {
    app.set('views', [views])
    request(app).get('/include/foo')
      .expect('foo')
      .expect(200, done)
  })
  it('should respect express views (Array) when lookup', function (done) {
    app.set('views', [views, partials])
    request(app).get('/include/bar')
      .expect('bar')
      .expect(200, done)
  })
})