export class Client {
  private baseUrl: string;
  private token: string;

  constructor(baseUrl: string, token: string) {
    this.baseUrl = baseUrl.endsWith("/") ? baseUrl.slice(0, -1) : baseUrl;
    this.token = token;
  }

  private getHeaders(contentType?: string): HeadersInit {
    const headers: HeadersInit = {
      Authorization: `Bearer ${this.token}`,
    };
    if (contentType) {
      headers["Content-Type"] = contentType;
    }
    return headers;
  }

  private async handleResponse<T>(response: Response): Promise<T> {
    if (!response.ok) {
      throw new Error(`API request failed: ${response.statusText}`);
    }
    return response.json();
  }

  async get<T>(path: string): Promise<T> {
    const url = `${this.baseUrl}${path.startsWith("/") ? path : "/" + path}`;
    const response = await fetch(url, {
      headers: this.getHeaders(),
    });
    return this.handleResponse<T>(response);
  }

  async post<T>(path: string, payload: unknown): Promise<T> {
    const url = `${this.baseUrl}${path.startsWith("/") ? path : "/" + path}`;
    const response = await fetch(url, {
      method: "POST",
      headers: this.getHeaders("application/json"),
      body: JSON.stringify(payload),
    });
    return this.handleResponse<T>(response);
  }
}