import { Locator, Page, expect } from '@playwright/test';

/**
 * The customer's own account view, which is a modal over the storefront rather
 * than a page of its own — /account renders the storefront with this on top.
 *
 * Everything is scoped to the dialog. Several controls have a twin on the page
 * behind it: the storefront has its own theme switch, and "Password" and "First
 * name" share a label with the auth modal, which can be in the DOM while one of
 * the two is closing. An unscoped locator matches both and fails on strict mode,
 * which is a confusing way to learn that a modal is a modal.
 */
export class AccountModal {
  readonly dialog: Locator;
  readonly logOutButton: Locator;
  readonly orderHistoryButton: Locator;
  readonly closeButton: Locator;
  readonly resendVerificationButton: Locator;
  readonly themeSwitches: Locator;
  /** The second switch in the modal; the first is the theme. */
  readonly favoriteAlertsSwitch: Locator;
  readonly notVerifiedNotice: Locator;

  readonly firstName: Locator;
  readonly lastName: Locator;
  readonly saveNameButton: Locator;

  readonly changePasswordDisclosure: Locator;
  readonly currentPassword: Locator;
  readonly newPassword: Locator;
  readonly confirmNewPassword: Locator;
  readonly submitPasswordChangeButton: Locator;

  readonly changeEmailDisclosure: Locator;
  readonly newEmail: Locator;
  readonly passwordForEmailChange: Locator;
  readonly submitEmailChangeButton: Locator;

  readonly deleteAccountButton: Locator;
  readonly confirmDeleteDialog: Locator;

  constructor(private readonly page: Page) {
    this.dialog = page.getByRole('dialog', { name: 'My Account' });
    this.logOutButton = this.dialog.getByRole('button', { name: 'Log out' });
    this.orderHistoryButton = this.dialog.getByRole('button', { name: 'View order history' });
    this.closeButton = this.dialog.getByRole('button', { name: 'Close' });
    this.resendVerificationButton = this.dialog.getByRole('button', { name: 'Send it again' });
    this.themeSwitches = this.dialog.getByRole('switch');
    this.favoriteAlertsSwitch = this.dialog.getByRole('switch').last();
    this.notVerifiedNotice = this.dialog.getByText('Email not verified');

    this.firstName = this.dialog.getByLabel('First name', { exact: true });
    this.lastName = this.dialog.getByLabel('Last name', { exact: true });
    this.saveNameButton = this.dialog.getByRole('button', { name: 'Save name' });

    this.changePasswordDisclosure = this.dialog.getByRole('button', { name: 'Change your password' });
    this.currentPassword = this.dialog.getByLabel('Current password', { exact: true });
    this.newPassword = this.dialog.getByLabel('New password', { exact: true });
    this.confirmNewPassword = this.dialog.getByLabel('Confirm new password', { exact: true });
    this.submitPasswordChangeButton = this.dialog.getByRole('button', { name: 'Change password' });

    this.changeEmailDisclosure = this.dialog.getByRole('button', { name: 'Change your email address' });
    this.newEmail = this.dialog.getByLabel('New email address', { exact: true });
    this.passwordForEmailChange = this.dialog.getByLabel('Your password', { exact: true });
    this.submitEmailChangeButton = this.dialog.getByRole('button', { name: 'Change email' });

    this.deleteAccountButton = this.dialog.getByRole('button', { name: 'Delete my account' });
    this.confirmDeleteDialog = page.getByRole('dialog', { name: 'Delete your account?' });
  }

  /**
   * Opens the account view and waits for it.
   *
   * The wait is the action's contract rather than an assertion: everything a
   * caller does next is scoped to this dialog, and a locator resolved before it
   * exists finds nothing.
   *
   * The timeout is generous for the same reason the header's is. Arriving here
   * means booting the app and resolving the session against the server, and the
   * 5s default is comfortably beaten on an idle machine and missed on a loaded
   * one — the recipe for a test that fails only when the suite is busy.
   */
  async open(): Promise<void> {
    await this.page.goto('/account');
    await expect(this.dialog).toBeVisible({ timeout: 20000 });
  }

  /** Opens it from the header, from wherever the customer was browsing. */
  async openFromHeader(): Promise<void> {
    await this.page.getByRole('button', { name: 'My Account' }).click();
    await expect(this.dialog).toBeVisible({ timeout: 20000 });
  }

  async close(): Promise<void> {
    await this.closeButton.click();
    await expect(this.dialog).toBeHidden();
  }

  async logOut(): Promise<void> {
    await this.logOutButton.click();
  }

  /**
   * Opens the account view and logs out, which is the only route to signing out
   * — there is no header control for it.
   *
   * Does not wait for the result. Several tests assert different things about
   * what logging out does: the URL it lands on, the header it leaves behind, a
   * failure it reports. Waiting here would make one of those the action's
   * contract and quietly weaken the others.
   */
  async openAndLogOut(): Promise<void> {
    await this.open();
    await this.logOut();
  }

  async saveName(firstName: string, lastName?: string): Promise<void> {
    await this.firstName.fill(firstName);
    if (lastName !== undefined) await this.lastName.fill(lastName);
    await this.saveNameButton.click();
  }

  /** Both password fields sit behind a disclosure, so it has to be opened first. */
  async changePassword(current: string, next: string): Promise<void> {
    await this.changePasswordDisclosure.click();
    await this.currentPassword.fill(current);
    await this.newPassword.fill(next);
    await this.confirmNewPassword.fill(next);
    await this.submitPasswordChangeButton.click();
  }

  async changeEmail(newEmail: string, password: string): Promise<void> {
    await this.changeEmailDisclosure.click();
    await this.newEmail.fill(newEmail);
    await this.passwordForEmailChange.fill(password);
    await this.submitEmailChangeButton.click();
  }

  async deleteAccount(): Promise<void> {
    await this.deleteAccountButton.click();
    await this.confirmDeleteDialog.getByRole('button', { name: 'Delete my account' }).click();
  }

  /** The address the account view shows, which is how a test knows whose it is. */
  emailText(email: string): Locator {
    return this.dialog.getByText(email);
  }
}