import axios, { AxiosInstance } from 'axios';

class ApiClient {
  private axiosInstance: AxiosInstance;

  constructor(baseURL: string = import.meta.env.VITE_API_URL || '/api') {
    this.axiosInstance = axios.create({
      baseURL,
      timeout: 10000,
      headers: {
        'Content-Type': 'application/json',
      },
      maxRedirects: 0,
      validateStatus: (status) => status >= 200 && status < 400,
    });

     this.axiosInstance.interceptors.response.use(
      (response) => response,
      async (error) => {
        // Если это редирект (301, 302, 307, 308)
        if (error.response && [301, 302, 307, 308].includes(error.response.status)) {
          const location = error.response.headers.location;
          console.log('🔄 Redirect detected:', location);
          
          if (location) {
            // Исправляем HTTP на HTTPS
            let fixedLocation = location;
            if (fixedLocation.startsWith('http://')) {
              fixedLocation = fixedLocation.replace('http://', 'https://');
              console.log('✅ Fixed URL:', fixedLocation);
            }
            
            // Повторяем запрос на исправленный URL
            try {
              const response = await this.axiosInstance.get(fixedLocation);
              return response;
            } catch (retryError) {
              return Promise.reject(retryError);
            }
          }
        }
        return Promise.reject(error);
      }
    );
  

    this.axiosInstance.interceptors.response.use(
      (response) => response,
      (error) => {
        if (error.response?.status === 404) {
          console.error('Resource not found:', error.config?.url);
        } else if (error.response?.status === 500) {
          console.error('Server error:', error.response?.data);
        }
        return Promise.reject(error);
      }
    );
  }

  async get<T>(url: string): Promise<{ data: T }> {
    const response = await this.axiosInstance.get<T>(url);
    return { data: response.data };
  }

  async post<T>(
    url: string,
    data?: any,
  ): Promise<{ data: T }> {
    const response = await this.axiosInstance.post<T>(url, data);
    return { data: response.data };
  }
}

export const client = new ApiClient();