import axios from 'axios';

const API_BASE_URL = process.env.NEXT_PUBLIC_API_URL || 'http://localhost:3020';

export interface BiometricCredential {
  id: string;
  friendlyName?: string;
  deviceType?: string;
  createdAt: Date;
  lastUsed?: Date;
  backedUp: boolean;
}

export const biometricApi = {
  // Check if user has biometric credentials
  async hasCredentials(): Promise<{ success: boolean; hasCredentials: boolean }> {
    const response = await axios.get(`${API_BASE_URL}/api/v1/auth/biometric/has-credentials`, {
      headers: {
        Authorization: `Bearer ${localStorage.getItem('accessToken')}`,
      },
    });
    return response.data;
  },

  // Get all biometric credentials for current user
  async getCredentials(): Promise<{ success: boolean; credentials: BiometricCredential[] }> {
    const response = await axios.get(`${API_BASE_URL}/api/v1/auth/biometric/credentials`, {
      headers: {
        Authorization: `Bearer ${localStorage.getItem('accessToken')}`,
      },
    });
    return response.data;
  },

  // Get registration options (start enrollment process)
  async getRegistrationOptions(friendlyName?: string): Promise<any> {
    const response = await axios.post(
      `${API_BASE_URL}/api/v1/auth/biometric/register/options`,
      { friendlyName },
      {
        headers: {
          Authorization: `Bearer ${localStorage.getItem('accessToken')}`,
        },
      }
    );
    return response.data;
  },

  // Verify registration response (complete enrollment)
  async verifyRegistration(
    response: any,
    friendlyName?: string
  ): Promise<{ success: boolean; credentialId: string; message: string }> {
    const verifyResponse = await axios.post(
      `${API_BASE_URL}/api/v1/auth/biometric/register/verify`,
      { response, friendlyName },
      {
        headers: {
          Authorization: `Bearer ${localStorage.getItem('accessToken')}`,
        },
      }
    );
    return verifyResponse.data;
  },

  // Get authentication options (start login process)
  async getAuthenticationOptions(email?: string): Promise<any> {
    const response = await axios.post(`${API_BASE_URL}/api/v1/auth/biometric/authenticate/options`, {
      email,
    });
    return response.data;
  },

  // Verify authentication response (complete login)
  async verifyAuthentication(
    response: any,
    email?: string,
    deviceInfo?: { deviceId: string; platform: string }
  ): Promise<{ success: boolean; data: { user: any; tokens: any; deviceRegistered: boolean; deviceTrusted: boolean } }> {
    const verifyResponse = await axios.post(
      `${API_BASE_URL}/api/v1/auth/biometric/authenticate/verify`,
      { response, email, deviceInfo }
    );
    return verifyResponse.data;
  },

  // Delete a credential
  async deleteCredential(credentialId: string): Promise<{ success: boolean; message: string }> {
    const response = await axios.delete(
      `${API_BASE_URL}/api/v1/auth/biometric/credentials/${credentialId}`,
      {
        headers: {
          Authorization: `Bearer ${localStorage.getItem('accessToken')}`,
        },
      }
    );
    return response.data;
  },

  // Update credential name
  async updateCredentialName(
    credentialId: string,
    friendlyName: string
  ): Promise<{ success: boolean; message: string }> {
    const response = await axios.patch(
      `${API_BASE_URL}/api/v1/auth/biometric/credentials/${credentialId}`,
      { friendlyName },
      {
        headers: {
          Authorization: `Bearer ${localStorage.getItem('accessToken')}`,
        },
      }
    );
    return response.data;
  },

  // Check if WebAuthn is supported in this browser
  isSupported(): boolean {
    return (
      typeof window !== 'undefined' &&
      window.PublicKeyCredential !== undefined &&
      typeof window.PublicKeyCredential === 'function'
    );
  },

  // Check if platform authenticator (Face ID, Touch ID, Windows Hello) is available
  async isPlatformAuthenticatorAvailable(): Promise<boolean> {
    if (!this.isSupported()) return false;
    try {
      return await window.PublicKeyCredential.isUserVerifyingPlatformAuthenticatorAvailable();
    } catch {
      return false;
    }
  },
};