import { Page, Locator } from '@playwright/test';
import { BasePage } from './BasePage';
import { ContactFormData } from '../types';

export class ContactPage extends BasePage {
  readonly url: string;

  readonly pageHeader: Locator;
  readonly contactForm: Locator;
  readonly nameInput: Locator;
  readonly phoneInput: Locator;
  readonly emailInput: Locator;
  readonly subjectInput: Locator;
  readonly messageInput: Locator;
  readonly submitButton: Locator;

  readonly contactInfoCard: Locator;
  readonly workHoursCard: Locator;
  readonly emailInfo: Locator;
  readonly phoneInfo: Locator;
  readonly addressInfo: Locator;
  readonly emailLink: Locator;
  readonly phoneLink: Locator;
  readonly addressText: Locator;
  readonly pageBadge: Locator;
  readonly pageDescription: Locator;

  readonly successMessage: Locator;

  readonly nameError: Locator;
  readonly emailError: Locator;
  readonly phoneError: Locator;
  readonly messageError: Locator;

  constructor(page: Page) {
    super(page);
    this.url = '/contact';

    this.pageHeader = page.locator('h1');
    this.contactForm = page.locator('form');
    this.nameInput = page.locator('[data-testid="name-input"]');
    this.phoneInput = page.locator('[data-testid="phone-input"]');
    this.emailInput = page.locator('[data-testid="email-input"]');
    this.subjectInput = page.locator('[data-testid="subject-input"]');
    this.messageInput = page.locator('[data-testid="message-input"]');
    this.submitButton = page.locator('[data-testid="submit-button"]');

    this.contactInfoCard = page.locator('[data-testid="contact-info"]');
    this.workHoursCard = page.locator('[data-testid="work-hours-card"]');
    this.emailInfo = page.locator('[data-testid="email-info"]');
    this.phoneInfo = page.locator('[data-testid="phone-info"]');
    this.addressInfo = page.locator('[data-testid="address-info"]');
    this.emailLink = page.locator('[data-testid="email-link"]');
    this.phoneLink = page.locator('[data-testid="phone-link"]');
    this.addressText = page.locator('[data-testid="address-text"]');
    this.pageBadge = page.locator('[data-testid="page-badge"]');
    this.pageDescription = page.locator('[data-testid="page-description"]');

    this.successMessage = page.locator('text=消息已发送');

    this.nameError = page.locator('[data-testid="name-input"] + .error-message, [data-testid="name-input"] ~ .text-destructive').first();
    this.emailError = page.locator('[data-testid="email-input"] + .error-message, [data-testid="email-input"] ~ .text-destructive').first();
    this.phoneError = page.locator('[data-testid="phone-input"] + .error-message, [data-testid="phone-input"] ~ .text-destructive').first();
    this.messageError = page.locator('[data-testid="message-input"] + .error-message, [data-testid="message-input"] ~ .text-destructive').first();
  }

  get breadcrumb(): Locator {
    return this.page.locator('nav[aria-label="breadcrumb"]');
  }

  async navigateToContact(): Promise<void> {
    await this.navigate(this.url);
  }

  async verifyBreadcrumb(): Promise<boolean> {
    return await this.breadcrumb.isVisible();
  }

  async verifyPageHeader(): Promise<boolean> {
    const header = await this.pageHeader.textContent();
    return header?.includes('与我们取得联系') || false;
  }

  async verifyContactForm(): Promise<boolean> {
    return await this.contactForm.isVisible();
  }

  async verifyContactInfo(): Promise<boolean> {
    return await this.contactInfoCard.isVisible();
  }

  async goto(): Promise<void> {
    await this.navigate(this.url);
    await this.waitForLoadState('networkidle');
  }

  async isLoaded(): Promise<boolean> {
    try {
      await this.pageHeader.waitFor({ state: 'visible', timeout: 5000 });
      await this.contactForm.waitFor({ state: 'visible', timeout: 5000 });
      return true;
    } catch {
      return false;
    }
  }

  async waitForPageLoad(): Promise<void> {
    await this.waitForLoadState('networkidle');
    await this.pageHeader.waitFor({ state: 'visible' });
    await this.contactForm.waitFor({ state: 'visible' });
  }

  async fillContactForm(data: ContactFormData): Promise<void> {
    if (data.name) {
      await this.nameInput.fill(data.name);
    }
    if (data.phone) {
      await this.phoneInput.fill(data.phone);
    }
    if (data.email) {
      await this.emailInput.fill(data.email);
    }
    if (data.subject) {
      await this.subjectInput.fill(data.subject);
    }
    if (data.message) {
      await this.messageInput.fill(data.message);
    }
  }

  async submitForm(): Promise<void> {
    await this.submitButton.click();
  }

  async fillAndSubmitForm(data: ContactFormData): Promise<void> {
    console.log('Filling form with data:', data);
    await this.fillContactForm(data);
    console.log('Form filled, clicking submit button');
    await this.submitForm();
    console.log('Submit button clicked');
  }

  async isSuccessMessageVisible(): Promise<boolean> {
    return await this.successMessage.isVisible();
  }

  async getSuccessMessageText(): Promise<string> {
    return await this.successMessage.textContent() || '';
  }

  async isFormVisible(): Promise<boolean> {
    return await this.contactForm.isVisible();
  }

  async isSubmitButtonEnabled(): Promise<boolean> {
    return await this.submitButton.isEnabled();
  }

  async getSubmitButtonText(): Promise<string> {
    return await this.submitButton.textContent() || '';
  }

  async isSubmitButtonLoading(): Promise<boolean> {
    const text = await this.getSubmitButtonText();
    return text.includes('发送中');
  }

  async getNameInputValue(): Promise<string> {
    return await this.nameInput.inputValue();
  }

  async getPhoneInputValue(): Promise<string> {
    return await this.phoneInput.inputValue();
  }

  async getEmailInputValue(): Promise<string> {
    return await this.emailInput.inputValue();
  }

  async getSubjectInputValue(): Promise<string> {
    return await this.subjectInput.inputValue();
  }

  async getMessageInputValue(): Promise<string> {
    return await this.messageInput.inputValue();
  }

  async clearForm(): Promise<void> {
    await this.nameInput.fill('');
    await this.phoneInput.fill('');
    await this.emailInput.fill('');
    await this.subjectInput.fill('');
    await this.messageInput.fill('');
  }

  async isContactInfoCardVisible(): Promise<boolean> {
    return await this.contactInfoCard.isVisible();
  }

  async isWorkHoursCardVisible(): Promise<boolean> {
    return await this.workHoursCard.isVisible();
  }

  async getContactInfoText(): Promise<string> {
    return await this.contactInfoCard.textContent() || '';
  }

  async getWorkHoursText(): Promise<string> {
    return await this.workHoursCard.textContent() || '';
  }

  async getAddress(): Promise<string> {
    return await this.addressText.textContent() || '';
  }

  async getPhone(): Promise<string> {
    return await this.phoneLink.textContent() || '';
  }

  async getEmail(): Promise<string> {
    return await this.emailLink.textContent() || '';
  }

  async getPageTitle(): Promise<string> {
    return await this.pageHeader.textContent() || '';
  }

  async getPageDescription(): Promise<string> {
    return await this.pageDescription.textContent() || '';
  }

  async getBadgeText(): Promise<string> {
    return await this.pageBadge.textContent() || '';
  }

  async isRequiredFieldVisible(fieldName: string): Promise<boolean> {
    const label = this.page.locator(`label[for="${fieldName}"]`);
    return await label.isVisible();
  }

  async isFieldRequired(fieldName: string): Promise<boolean> {
    const label = this.page.locator(`label[for="${fieldName}"]`);
    const text = await label.textContent();
    return text?.includes('*') || false;
  }

  async getFieldPlaceholder(fieldName: string): Promise<string> {
    const input = this.page.locator(`[name="${fieldName}"]`);
    return await input.getAttribute('placeholder') || '';
  }

  async scrollToForm(): Promise<void> {
    await this.contactForm.scrollIntoViewIfNeeded();
    await this.page.waitForTimeout(500);
  }

  async takeScreenshotOfForm(filename: string): Promise<void> {
    await this.contactForm.screenshot({ path: `test-results/screenshots/${filename}` });
  }

  async takeScreenshotOfSuccessMessage(filename: string): Promise<void> {
    await this.successMessage.screenshot({ path: `test-results/screenshots/${filename}` });
  }

  async waitForFormSubmission(): Promise<void> {
    await this.page.waitForTimeout(3000);
    await this.page.waitForLoadState('networkidle');
    await this.page.waitForTimeout(2000);
  }

  async isFormSubmitted(): Promise<boolean> {
    const isSuccessVisible = await this.isSuccessMessageVisible();
    console.log('Success message visible:', isSuccessVisible);
    return isSuccessVisible;
  }

  async getFormValidationErrors(): Promise<string[]> {
    const errors: string[] = [];
    const requiredInputs = this.contactForm.locator('input[required], textarea[required]');
    const count = await requiredInputs.count();
    
    for (let i = 0; i < count; i++) {
      const input = requiredInputs.nth(i);
      const isValid = await input.evaluate(el => (el as HTMLInputElement).checkValidity());
      if (!isValid) {
        const name = await input.getAttribute('name');
        errors.push(`${name} is invalid`);
      }
    }
    
    return errors;
  }

  async isEmailValid(): Promise<boolean> {
    return await this.emailInput.evaluate(el => (el as HTMLInputElement).checkValidity());
  }

  async isPhoneValid(): Promise<boolean> {
    return await this.phoneInput.evaluate(el => (el as HTMLInputElement).checkValidity());
  }

  async focusOnField(fieldName: string): Promise<void> {
    const input = this.page.locator(`[data-testid="${fieldName}-input"]`);
    await input.focus();
  }

  async blurField(fieldName: string): Promise<void> {
    const input = this.page.locator(`[data-testid="${fieldName}-input"]`);
    await input.blur();
  }

  async typeInField(fieldName: string, text: string, options?: { delay?: number }): Promise<void> {
    const input = this.page.locator(`[data-testid="${fieldName}-input"]`);
    await input.type(text, options);
  }

  async clearField(fieldName: string): Promise<void> {
    const input = this.page.locator(`[data-testid="${fieldName}-input"]`);
    await input.fill('');
  }

  async isFieldVisible(fieldName: string): Promise<boolean> {
    const input = this.page.locator(`[data-testid="${fieldName}-input"]`);
    return await input.isVisible();
  }

  async isFieldEnabled(fieldName: string): Promise<boolean> {
    const input = this.page.locator(`[data-testid="${fieldName}-input"]`);
    return await input.isEnabled();
  }

  async getFieldAttribute(fieldName: string, attribute: string): Promise<string | null> {
    const input = this.page.locator(`[data-testid="${fieldName}-input"]`);
    return await input.getAttribute(attribute);
  }

  async getWorkHours(): Promise<{ day: string; hours: string }[]> {
    const workHours: { day: string; hours: string }[] = [];
    const rows = this.workHoursCard.locator('.space-y-2 > div');
    const count = await rows.count();
    
    for (let i = 0; i < count; i++) {
      const row = rows.nth(i);
      const day = await row.locator('span').first().textContent();
      const hours = await row.locator('span').nth(1).textContent();
      if (day && hours) {
        workHours.push({ day: day.trim(), hours: hours.trim() });
      }
    }
    return workHours;
  }

  async getNameError(): Promise<string> {
    return await this.nameError.textContent() || '';
  }

  async getEmailError(): Promise<string> {
    return await this.emailError.textContent() || '';
  }

  async getPhoneError(): Promise<string> {
    return await this.phoneError.textContent() || '';
  }

  async getMessageError(): Promise<string> {
    return await this.messageError.textContent() || '';
  }

  async isNameErrorVisible(): Promise<boolean> {
    return await this.nameError.isVisible();
  }

  async isEmailErrorVisible(): Promise<boolean> {
    return await this.emailError.isVisible();
  }

  async isPhoneErrorVisible(): Promise<boolean> {
    return await this.phoneError.isVisible();
  }

  async isMessageErrorVisible(): Promise<boolean> {
    return await this.messageError.isVisible();
  }

  async testXSSInjection(payload: string): Promise<void> {
    await this.fillContactForm({
      name: payload,
      email: 'test@example.com',
      phone: '13800138000',
      message: payload,
    });
    await this.submitForm();
  }

  async testSQLInjection(payload: string): Promise<void> {
    await this.fillContactForm({
      name: payload,
      email: payload,
      phone: payload,
      message: payload,
    });
    await this.submitForm();
  }

  async testPathTraversal(payload: string): Promise<void> {
    await this.fillContactForm({
      name: payload,
      email: 'test@example.com',
      phone: '13800138000',
      message: payload,
    });
    await this.submitForm();
  }

  async verifyFormResponsiveLayout(viewport: { width: number; height: number }): Promise<{
    isFormVisible: boolean;
    isSubmitButtonVisible: boolean;
    isContactInfoVisible: boolean;
  }> {
    await this.page.setViewportSize(viewport);
    await this.waitForTimeout(500);

    return {
      isFormVisible: await this.isFormVisible(),
      isSubmitButtonVisible: await this.isVisible(this.submitButton),
      isContactInfoVisible: await this.isContactInfoCardVisible(),
    };
  }

  async measureFormSubmissionPerformance(): Promise<{
    fillTime: number;
    submitTime: number;
    totalTime: number;
  }> {
    const startTime = Date.now();

    const data = {
      name: '测试用户',
      email: 'test@example.com',
      phone: '13800138000',
      message: '这是一条测试消息',
    };

    const fillStartTime = Date.now();
    await this.fillContactForm(data);
    const fillTime = Date.now() - fillStartTime;

    const submitStartTime = Date.now();
    await this.submitForm();
    await this.waitForFormSubmission();
    const submitTime = Date.now() - submitStartTime;

    const totalTime = Date.now() - startTime;

    return {
      fillTime,
      submitTime,
      totalTime,
    };
  }

  async getFormAccessibilityAttributes(): Promise<{
    nameAriaLabel: string | null;
    emailAriaLabel: string | null;
    phoneAriaLabel: string | null;
    messageAriaLabel: string | null;
    submitAriaLabel: string | null;
  }> {
    return {
      nameAriaLabel: await this.nameInput.getAttribute('aria-label'),
      emailAriaLabel: await this.emailInput.getAttribute('aria-label'),
      phoneAriaLabel: await this.phoneInput.getAttribute('aria-label'),
      messageAriaLabel: await this.messageInput.getAttribute('aria-label'),
      submitAriaLabel: await this.submitButton.getAttribute('aria-label'),
    };
  }

  async verifyFormLabels(): Promise<{
    nameLabel: string | null;
    emailLabel: string | null;
    phoneLabel: string | null;
    messageLabel: string | null;
  }> {
    return {
      nameLabel: await this.page.locator('label[for="name"]').textContent(),
      emailLabel: await this.page.locator('label[for="email"]').textContent(),
      phoneLabel: await this.page.locator('label[for="phone"]').textContent(),
      messageLabel: await this.page.locator('label[for="message"]').textContent(),
    };
  }

  async getFormInputTypes(): Promise<{
    nameType: string | null;
    emailType: string | null;
    phoneType: string | null;
    subjectType: string | null;
  }> {
    return {
      nameType: await this.nameInput.getAttribute('type'),
      emailType: await this.emailInput.getAttribute('type'),
      phoneType: await this.phoneInput.getAttribute('type'),
      subjectType: await this.subjectInput.getAttribute('type'),
    };
  }

  async verifyRequiredFields(): Promise<{
    nameRequired: boolean;
    emailRequired: boolean;
    phoneRequired: boolean;
    messageRequired: boolean;
  }> {
    return {
      nameRequired: await this.nameInput.getAttribute('required') !== null,
      emailRequired: await this.emailInput.getAttribute('required') !== null,
      phoneRequired: await this.phoneInput.getAttribute('required') !== null,
      messageRequired: await this.messageInput.getAttribute('required') !== null,
    };
  }

  async getFormAutocompleteAttributes(): Promise<{
    nameAutocomplete: string | null;
    emailAutocomplete: string | null;
    phoneAutocomplete: string | null;
  }> {
    return {
      nameAutocomplete: await this.nameInput.getAttribute('autocomplete'),
      emailAutocomplete: await this.emailInput.getAttribute('autocomplete'),
      phoneAutocomplete: await this.phoneInput.getAttribute('autocomplete'),
    };
  }

  async verifyKeyboardNavigation(): Promise<void> {
    await this.nameInput.focus();
    await this.pressKey('Tab');
    await this.pressKey('Tab');
    await this.pressKey('Tab');
    await this.pressKey('Tab');
    await this.pressKey('Tab');
  }

  async isFormKeyboardAccessible(): Promise<boolean> {
    try {
      await this.verifyKeyboardNavigation();
      return true;
    } catch {
      return false;
    }
  }
}