import { GHLError } from './errors';

export interface AgencyClientConfig {
  agencyApiKey: string;
  agencyId: string;
}

export class GHLAgencyClient {
  private baseUrl = 'https://services.leadconnectorhq.com';
  private agencyApiKey: string;
  private agencyId: string;

  constructor(config: AgencyClientConfig) {
    this.agencyApiKey = config.agencyApiKey;
    this.agencyId = config.agencyId;
  }

  async request<T>(endpoint: string, options: RequestInit = {}): Promise<T> {
    const url = `${this.baseUrl}${endpoint}`;

    const response = await fetch(url, {
      ...options,
      headers: {
        'Authorization': `Bearer ${this.agencyApiKey}`,
        'Version': '2021-07-28',
        'Content-Type': 'application/json',
        ...options.headers,
      },
    });

    if (!response.ok) {
      const errorBody = await response.text();
      throw new GHLError(response.status, `GHL Agency API Error`, errorBody);
    }

    const text = await response.text();
    if (!text) return {} as T;
    return JSON.parse(text) as T;
  }

  // Create a new sub-account (location) for a user
  async createLocation(data: {
    name: string;
    email: string;
    phone?: string;
    address?: string;
    city?: string;
    state?: string;
    country?: string;
    postalCode?: string;
    timezone?: string;
  }) {
    return this.request('/locations/', {
      method: 'POST',
      body: JSON.stringify({
        ...data,
        companyId: this.agencyId,
      }),
    });
  }

  // Get location details
  async getLocation(locationId: string) {
    return this.request(`/locations/${locationId}`);
  }

  // List all locations
  async listLocations() {
    return this.request(`/locations/search?companyId=${this.agencyId}`);
  }
}