import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
import { defineComponent, h } from 'vue'
import { mountWithVuexy } from '../utils/mountWithVuexy'
import AddPerformanceDialog from '@/components/timetable/AddPerformanceDialog.vue'
import { apiClient } from '@/lib/axios'
import {
  type ArtistEngagement,
  ArtistEngagementStatus,
  type Stage,
} from '@/types/timetable'

vi.mock('@/lib/axios', () => {
  const post = vi.fn()
  const put = vi.fn()
  const get = vi.fn()
  const del = vi.fn()

  return { apiClient: { post, put, get, delete: del } }
})

interface MockApi {
  post: ReturnType<typeof vi.fn>
  put: ReturnType<typeof vi.fn>
  get: ReturnType<typeof vi.fn>
  delete: ReturnType<typeof vi.fn>
}

const mocked = apiClient as unknown as MockApi

const stage: Stage = {
  id: 's1',
  event_id: 'ev1',
  name: 'Hardstyle District',
  color: '#e85d75',
  capacity: 1000,
  sort_order: 0,
  created_at: null,
  updated_at: null,
}

const engagement: Partial<ArtistEngagement> = {
  id: 'e1',
  artist: { id: 'a1', name: 'Devin Wild' } as ArtistEngagement['artist'],
  booking_status: { value: ArtistEngagementStatus.REQUESTED, label: 'Aangevraagd' },
}

// VDialog teleports to body, which puts content outside the wrapper. Stub it
// so the form renders inline. App* wrappers stubbed too — we don't want to
// drive Flatpickr / VAutocomplete plumbing here; we want to assert that the
// schema validation + submit pipeline does the right thing.
const VDialogStub = defineComponent({
  name: 'VDialog',
  props: ['modelValue'],
  setup(_, { slots }) {
    return () => h('div', { class: 'v-dialog-stub' }, slots.default?.())
  },
})

interface AppFieldProps {
  modelValue?: unknown
  label?: string
  errorMessages?: string
}

function makeAppFieldStub(name: string) {
  return defineComponent({
    name,
    props: ['modelValue', 'label', 'errorMessages'],
    setup(props: AppFieldProps) {
      return () => h('div', { 'class': `${name}-stub`, 'data-label': props.label }, [
        props.errorMessages ? h('span', { 'class': 'error', 'data-test': `error-${String(props.label).toLowerCase()}` }, String(props.errorMessages)) : null,
      ])
    },
  })
}

const appStubs = {
  VDialog: VDialogStub,
  AppTextField: makeAppFieldStub('AppTextField'),
  AppTextarea: makeAppFieldStub('AppTextarea'),
  AppSelect: makeAppFieldStub('AppSelect'),
  AppAutocomplete: makeAppFieldStub('AppAutocomplete'),
  AppDateTimePicker: makeAppFieldStub('AppDateTimePicker'),
}

interface ExposedShape {
  form: { value: { engagement_id: string; stage_id: string | null; start_at: string; end_at: string; lane: number; notes: string } }
  errors: { value: Record<string, string> }
  submit: () => Promise<void>
}

function getExposed(wrapper: { vm: object }): ExposedShape {
  // VTU2 surfaces defineExpose() entries on `wrapper.vm.$.exposed`.
  return (wrapper.vm as { $: { exposed: ExposedShape } }).$.exposed
}

describe('AddPerformanceDialog — validation + submit', () => {
  beforeEach(() => vi.clearAllMocks())
  afterEach(() => vi.clearAllMocks())

  function mountDialog() {
    return mountWithVuexy(AddPerformanceDialog, {
      props: {
        modelValue: true,
        orgId: 'org_1',
        eventId: 'ev_1',
        dayId: 'day_1',
        stages: [stage],
        engagements: [engagement as ArtistEngagement],
      },
      stubs: appStubs,
    })
  }

  it('calls createPerformance mutation with the validated payload on happy path', async () => {
    mocked.post.mockResolvedValueOnce({
      data: {
        success: true,
        data: {
          id: 'p1',
          engagement_id: 'e1',
          event_id: 'ev_1',
          stage_id: 's1',
          lane: 0,
          lane_resolved: 0,
          start_at: '2026-07-10T18:00:00.000Z',
          end_at: '2026-07-10T19:00:00.000Z',
          version: 0,
          notes: null,
          warnings: [],
          created_at: '2026-07-10T18:00:00.000Z',
          updated_at: '2026-07-10T18:00:00.000Z',
          deleted_at: null,
        },
      },
    })

    const { wrapper } = mountDialog()
    const exposed = getExposed(wrapper)

    exposed.form.value.engagement_id = 'e1'
    exposed.form.value.stage_id = 's1'
    exposed.form.value.start_at = '2026-07-10 18:00:00'
    exposed.form.value.end_at = '2026-07-10 19:00:00'
    exposed.form.value.lane = 0
    exposed.form.value.notes = ''

    await exposed.submit()

    expect(mocked.post).toHaveBeenCalledTimes(1)

    const [url, body] = mocked.post.mock.calls[0]

    expect(url).toContain('/events/ev_1/performances')
    expect(body).toMatchObject({
      engagement_id: 'e1',
      event_id: 'day_1',
      stage_id: 's1',
      start_at: '2026-07-10 18:00:00',
      end_at: '2026-07-10 19:00:00',
    })
  })

  it('blocks submit when end_at is before start_at and surfaces an error on the field', async () => {
    const { wrapper } = mountDialog()
    const exposed = getExposed(wrapper)

    exposed.form.value.engagement_id = 'e1'
    exposed.form.value.stage_id = 's1'
    exposed.form.value.start_at = '2026-07-10 19:00:00'
    exposed.form.value.end_at = '2026-07-10 18:00:00'

    await exposed.submit()

    expect(mocked.post).not.toHaveBeenCalled()
    expect(exposed.errors.value.end_at).toMatch(/Eindtijd/)
  })

  it('blocks submit when engagement_id is empty', async () => {
    const { wrapper } = mountDialog()
    const exposed = getExposed(wrapper)

    exposed.form.value.engagement_id = ''
    exposed.form.value.stage_id = 's1'
    exposed.form.value.start_at = '2026-07-10 18:00:00'
    exposed.form.value.end_at = '2026-07-10 19:00:00'

    await exposed.submit()

    expect(mocked.post).not.toHaveBeenCalled()
    expect(exposed.errors.value.engagement_id).toBeTruthy()
  })

  it('emits update:modelValue=false when the cancel button is clicked', async () => {
    const { wrapper } = mountDialog()

    const cancelBtn = wrapper.findAll('button').find(b => b.text().includes('Annuleer'))

    expect(cancelBtn).toBeDefined()
    await cancelBtn!.trigger('click')

    const closeEvents = (wrapper.emitted('update:modelValue') ?? []).filter(e => e[0] === false)

    expect(closeEvents.length).toBeGreaterThanOrEqual(1)
  })
})