import { addDays, format as dateFormat } from 'date-fns'
import { outdent } from 'outdent'

import { FormModel } from '~/src/server/plugins/engine/models/index.js'
import { format } from '~/src/server/plugins/engine/outputFormatters/human/v1.js'
import {
  SummaryPageController,
  getFormSubmissionData
} from '~/src/server/plugins/engine/pageControllers/SummaryPageController.js'
import { buildFormContextRequest } from '~/src/server/plugins/engine/pageControllers/__stubs__/request.js'
import { FormStatus } from '~/src/server/routes/types.js'
import definition from '~/test/form/definitions/repeat-mixed.js'

describe('v1 human formatter', () => {
  const itemId1 = 'abc-123'
  const itemId2 = 'xyz-987'

  const submitResponse = {
    message: 'Submit completed',
    result: {
      files: {
        main: '00000000-0000-0000-0000-000000000000',
        repeaters: {
          pizza: '11111111-1111-1111-1111-111111111111'
        }
      }
    }
  }

  const model = new FormModel(definition, {
    basePath: 'test'
  })

  const state = {
    $$__referenceNumber: 'foobar',
    orderType: 'delivery',
    pizza: [
      {
        toppings: 'Ham',
        quantity: 2,
        itemId: itemId1
      },
      {
        toppings: 'Pepperoni',
        quantity: 1,
        itemId: itemId2
      }
    ]
  }

  const pageDef = definition.pages[2]
  const pageUrl = new URL('http://example.com/repeat/pizza-order/summary')

  const controller = new SummaryPageController(model, pageDef)

  const request = buildFormContextRequest({
    method: 'get',
    url: pageUrl,
    path: pageUrl.pathname,
    params: {
      path: 'pizza-order',
      slug: 'repeat'
    },
    query: {},
    app: { model }
  })

  const context = model.getFormContext(request, state)
  const summaryViewModel = controller.getSummaryViewModel(request, context)

  const items = getFormSubmissionData(
    summaryViewModel.context,
    summaryViewModel.details
  )

  describe('getPersonalisation', () => {
    it.each([
      {
        state: FormStatus.Live,
        isPreview: false
      },
      {
        state: FormStatus.Draft,
        isPreview: true
      }
    ])('should personalise $state email', (formStatus) => {
      const body = format(context, items, model, submitResponse, formStatus)

      const dateNow = new Date()
      const dateExpiry = addDays(dateNow, 90)

      // Check for link expiry message
      expect(body).toContain(
        `^ For security reasons, the links in this email expire at ${dateFormat(dateExpiry, 'h:mmaaa')} on ${dateFormat(dateExpiry, 'eeee d MMMM yyyy')}`
      )

      expect(body).toContain(
        outdent`
              ${definition.name} form received at ${dateFormat(dateNow, 'h:mmaaa')} on ${dateFormat(dateNow, 'd MMMM yyyy')}.

              ---

              ## How would you like to receive your pizza?

              Delivery

              ---

              ## Pizza

              [Download Pizza \\(CSV\\)](https://forms-designer/file-download/11111111-1111-1111-1111-111111111111)

              ---

              [Download main form \\(CSV\\)](https://forms-designer/file-download/00000000-0000-0000-0000-000000000000)
            `
      )
    })

    it('should add test warnings to preview email only', () => {
      const formStatus = {
        state: FormStatus.Draft,
        isPreview: true
      }

      const body1 = format(context, items, model, submitResponse, {
        state: FormStatus.Live,
        isPreview: false
      })

      const body2 = format(context, items, model, submitResponse, {
        state: FormStatus.Draft,
        isPreview: true
      })

      expect(body1).not.toContain(
        `This is a test of the ${definition.name} ${formStatus.state} form`
      )

      expect(body2).toContain(
        `This is a test of the ${definition.name} ${formStatus.state} form`
      )
    })
  })
})