import type { Page } from '@playwright/test'

import {
  comfyPageFixture as test,
  comfyExpect as expect
} from '@e2e/fixtures/ComfyPage'
import { TestIds } from '@e2e/fixtures/selectors'

test.describe('Error overlay', { tag: '@ui' }, () => {
  test.beforeEach(async ({ comfyPage }) => {
    await comfyPage.settings.setSetting('Comfy.UseNewMenu', 'Top')
    await comfyPage.settings.setSetting(
      'Comfy.RightSidePanel.ShowErrorsTab',
      true
    )
  })

  function getOverlay(page: Page) {
    return page.getByTestId(TestIds.dialogs.errorOverlay)
  }

  function getSeeErrorsButton(page: Page) {
    return getOverlay(page).getByTestId(TestIds.dialogs.errorOverlaySeeErrors)
  }

  test.describe('Labels', () => {
    test('Should display singular error count label for single error', async ({
      comfyPage
    }) => {
      await comfyPage.workflow.loadWorkflow('missing/missing_nodes')

      await expect(getOverlay(comfyPage.page)).toBeVisible()
      await expect(getOverlay(comfyPage.page)).toContainText(/1 ERROR/i)
    })

    test('Should display "Show missing nodes" button for missing node errors', async ({
      comfyPage
    }) => {
      await comfyPage.workflow.loadWorkflow('missing/missing_nodes')

      await expect(getOverlay(comfyPage.page)).toBeVisible()
      await expect(getSeeErrorsButton(comfyPage.page)).toContainText(
        /Show missing nodes/i
      )
    })

    test('Should display "Show missing models" button for missing model errors', async ({
      comfyPage
    }) => {
      const cleanupOk = await comfyPage.page.evaluate(async (url: string) => {
        const response = await fetch(`${url}/api/devtools/cleanup_fake_model`)
        return response.ok
      }, comfyPage.url)
      expect(cleanupOk).toBeTruthy()

      await comfyPage.workflow.loadWorkflow('missing/missing_models')

      await expect(getOverlay(comfyPage.page)).toBeVisible()
      await expect(getSeeErrorsButton(comfyPage.page)).toContainText(
        /Show missing models/i
      )
    })

    test('Should display "Show missing inputs" button for missing media errors', async ({
      comfyPage
    }) => {
      await comfyPage.workflow.loadWorkflow('missing/missing_media_single')

      await expect(getOverlay(comfyPage.page)).toBeVisible()
      await expect(getSeeErrorsButton(comfyPage.page)).toContainText(
        /Show missing inputs/i
      )
    })

    test('Should display generic "See Errors" button for multiple error types', async ({
      comfyPage
    }) => {
      await comfyPage.workflow.loadWorkflow('missing/missing_nodes_and_media')

      await expect(getOverlay(comfyPage.page)).toBeVisible()
      await expect(getSeeErrorsButton(comfyPage.page)).toContainText(
        /See Errors/i
      )
    })
  })

  test.describe('Persistence', () => {
    test('Does not resurface missing nodes on undo/redo', async ({
      comfyPage
    }) => {
      await comfyPage.workflow.loadWorkflow('missing/missing_nodes')

      const errorOverlay = getOverlay(comfyPage.page)
      await expect(errorOverlay).toBeVisible()
      await errorOverlay
        .getByTestId(TestIds.dialogs.errorOverlayDismiss)
        .click()
      await expect(errorOverlay).not.toBeVisible()

      await comfyPage.canvas.click()
      await comfyPage.nextFrame()
      await comfyPage.page.keyboard.press('Control+a')
      await comfyPage.page.mouse.move(400, 300)
      await comfyPage.page.mouse.down()
      await comfyPage.page.mouse.move(450, 350, { steps: 5 })
      await comfyPage.page.mouse.up()
      await comfyPage.nextFrame()

      await comfyPage.keyboard.undo()
      await expect(errorOverlay).not.toBeVisible({ timeout: 5000 })

      await comfyPage.keyboard.redo()
      await expect(errorOverlay).not.toBeVisible({ timeout: 5000 })
    })
  })

  test.describe('See Errors flow', () => {
    test.beforeEach(async ({ comfyPage }) => {
      await comfyPage.setup()
    })

    async function triggerExecutionError(comfyPage: {
      canvasOps: { disconnectEdge: () => Promise<void> }
      page: Page
      command: { executeCommand: (cmd: string) => Promise<void> }
    }) {
      await comfyPage.canvasOps.disconnectEdge()
      await comfyPage.page.keyboard.press('Escape')
      await comfyPage.command.executeCommand('Comfy.QueuePrompt')
    }

    test('Error overlay appears on execution error', async ({ comfyPage }) => {
      await triggerExecutionError(comfyPage)

      await expect(getOverlay(comfyPage.page)).toBeVisible()
    })

    test('Error overlay shows error message', async ({ comfyPage }) => {
      await triggerExecutionError(comfyPage)

      const overlay = getOverlay(comfyPage.page)
      await expect(overlay).toBeVisible()
      await expect(overlay).toHaveText(/\S/)
    })

    test('"See Errors" opens right side panel', async ({ comfyPage }) => {
      await triggerExecutionError(comfyPage)

      const overlay = getOverlay(comfyPage.page)
      await expect(overlay).toBeVisible()

      await overlay.getByTestId(TestIds.dialogs.errorOverlaySeeErrors).click()

      await expect(comfyPage.page.getByTestId('properties-panel')).toBeVisible()
    })

    test('"See Errors" dismisses the overlay', async ({ comfyPage }) => {
      await triggerExecutionError(comfyPage)

      const overlay = getOverlay(comfyPage.page)
      await expect(overlay).toBeVisible()

      await overlay.getByTestId(TestIds.dialogs.errorOverlaySeeErrors).click()

      await expect(overlay).not.toBeVisible()
    })

    test('"Dismiss" closes overlay without opening panel', async ({
      comfyPage
    }) => {
      await triggerExecutionError(comfyPage)

      const overlay = getOverlay(comfyPage.page)
      await expect(overlay).toBeVisible()

      await overlay.getByTestId(TestIds.dialogs.errorOverlayDismiss).click()

      await expect(overlay).not.toBeVisible()
      await expect(
        comfyPage.page.getByTestId('properties-panel')
      ).not.toBeVisible()
    })

    test('Close button (X) dismisses overlay', async ({ comfyPage }) => {
      await triggerExecutionError(comfyPage)

      const overlay = getOverlay(comfyPage.page)
      await expect(overlay).toBeVisible()

      await overlay.getByRole('button', { name: /close/i }).click()

      await expect(overlay).not.toBeVisible()
    })
  })
})