import type {
  Status,
  HealthResponse,
  StatusResponse,
  NetworkInfo,
  DnsmasqStatus,
  DnsmasqConfigResponse
} from '../types';
import { getApiBaseUrl } from './api/config';

const API_BASE = getApiBaseUrl();

class ApiService {
  private baseUrl: string;

  constructor(baseUrl: string = API_BASE) {
    this.baseUrl = baseUrl;
  }

  private async request<T>(endpoint: string, options?: RequestInit): Promise<T> {
    const url = `${this.baseUrl}${endpoint}`;
    const response = await fetch(url, options);
    
    if (!response.ok) {
      throw new Error(`HTTP error! status: ${response.status}`);
    }
    
    return response.json();
  }


  async getStatus(): Promise<Status> {
    return this.request<Status>('/api/status');
  }

  async getHealth(): Promise<HealthResponse> {
    return this.request<HealthResponse>('/api/v1/health');
  }

  async getDnsmasqStatus(): Promise<DnsmasqStatus> {
    return this.request<DnsmasqStatus>('/api/v1/dnsmasq/status');
  }

  async getDnsmasqConfig(): Promise<DnsmasqConfigResponse> {
    return this.request<DnsmasqConfigResponse>('/api/v1/dnsmasq/config');
  }

  async writeDnsmasqConfig(content: string): Promise<StatusResponse> {
    return this.request<StatusResponse>('/api/v1/dnsmasq/config', {
      method: 'PUT',
      headers: {
        'Content-Type': 'application/json',
      },
      body: JSON.stringify({ content }),
    });
  }

  async generateDnsmasqConfig(overwrite: boolean = false): Promise<DnsmasqConfigResponse> {
    const url = overwrite ? '/api/v1/dnsmasq/generate?overwrite=true' : '/api/v1/dnsmasq/generate';
    return this.request<DnsmasqConfigResponse>(url, {
      method: 'POST'
    });
  }

  async restartDnsmasq(): Promise<StatusResponse> {
    return this.request<StatusResponse>('/api/v1/dnsmasq/restart', {
      method: 'POST'
    });
  }

  async getNetworkInfo(): Promise<NetworkInfo> {
    return this.request<NetworkInfo>('/api/v1/network/info');
  }

  async downloadPXEAssets(): Promise<StatusResponse> {
    return this.request<StatusResponse>('/api/v1/assets', {
      method: 'POST'
    });
  }
}

export const apiService = new ApiService();
export default ApiService;