import { test, expect } from '@playwright/test';
import { createNewSheet, clickCell, typeInCell, getCellText } from './helpers';

test.describe('Sheets - Clipboard', () => {
  test.beforeEach(async ({ page, context }) => {
    // Grant clipboard permissions
    await context.grantPermissions(['clipboard-read', 'clipboard-write']);
    await createNewSheet(page);
  });

  test('copy cell and paste to another cell', async ({ page }) => {
    await typeInCell(page, 'A1', 'CopyMe');

    // Select A1 and copy
    await clickCell(page, 'A1');
    await page.keyboard.press('Meta+c');

    // Select B1 and paste
    await clickCell(page, 'B1');
    await page.keyboard.press('Meta+v');

    // B1 should now have the same value
    await expect(page.locator('td[data-id="B1"] .cell-display')).toContainText('CopyMe', { timeout: 5000 });

    // A1 should still have its value (copy, not cut)
    expect(await getCellText(page, 'A1')).toBe('CopyMe');
  });

  test('cut cell clears original', async ({ page }) => {
    await typeInCell(page, 'A1', 'CutMe');

    // Select A1 and cut
    await clickCell(page, 'A1');
    await page.keyboard.press('Meta+x');

    // Select B1 and paste
    await clickCell(page, 'B1');
    await page.keyboard.press('Meta+v');

    // B1 should have the value
    await expect(page.locator('td[data-id="B1"] .cell-display')).toContainText('CutMe', { timeout: 5000 });

    // A1 should be empty (it was cut)
    const a1Text = await getCellText(page, 'A1');
    expect(a1Text).toBe('');
  });

  test('copy multiple cells and paste', async ({ page }) => {
    await typeInCell(page, 'A1', 'One');
    await typeInCell(page, 'A2', 'Two');
    await typeInCell(page, 'A3', 'Three');

    // Select range A1:A3
    await clickCell(page, 'A1');
    await page.keyboard.down('Shift');
    await clickCell(page, 'A3');
    await page.keyboard.up('Shift');

    // Copy
    await page.keyboard.press('Meta+c');

    // Paste to B1
    await clickCell(page, 'B1');
    await page.keyboard.press('Meta+v');

    // Verify all values pasted
    await expect(page.locator('td[data-id="B1"] .cell-display')).toContainText('One', { timeout: 5000 });
    expect(await getCellText(page, 'B2')).toBe('Two');
    expect(await getCellText(page, 'B3')).toBe('Three');
  });

  test('copy cell with formula pastes computed value or adjusted formula', async ({ page }) => {
    await typeInCell(page, 'A1', '10');
    await typeInCell(page, 'A2', '=A1*2');

    // A2 should show 20
    expect(await getCellText(page, 'A2')).toBe('20');

    // Copy A2
    await clickCell(page, 'A2');
    await page.keyboard.press('Meta+c');

    // Paste to B2
    await clickCell(page, 'B2');
    await page.keyboard.press('Meta+v');

    // B2 should have a value (either the formula adjusted or the value pasted)
    const b2Text = await getCellText(page, 'B2');
    expect(b2Text).toBeTruthy();
  });

  test('delete key clears selected cell', async ({ page }) => {
    await typeInCell(page, 'A1', 'DeleteMe');
    expect(await getCellText(page, 'A1')).toBe('DeleteMe');

    await clickCell(page, 'A1');
    await page.keyboard.press('Delete');

    // Cell should be empty
    const text = await getCellText(page, 'A1');
    expect(text).toBe('');
  });

  test('backspace clears selected cell', async ({ page }) => {
    await typeInCell(page, 'A1', 'ClearMe');
    await clickCell(page, 'A1');
    await page.keyboard.press('Backspace');

    // Should start editing with empty content (Backspace enters edit mode)
    // Press Escape or Enter to confirm
    await page.keyboard.press('Escape');

    // Cell may still have content if Backspace enters edit mode
    // Just verify the action doesn't crash
  });
});