import { {{name.pascalCase}}Error } from './errors/{{name.kebabCase}}.error'
import type { QueryParams } from './types/{{name.kebabCase}}-client.type'

/**
 * REST-клиент {{name.pascalCase}}.
 */
export class {{name.pascalCase}}Client {
  constructor(
    private readonly baseUrl: string,
    private readonly defaultHeaders: Record<string, string> = {},
  ) {}

  /**
   * Выполняет GET-запрос к API {{name.pascalCase}}.
   */
  async get<T>(path: string, params: QueryParams = {}): Promise<T> {
    const base = `${this.baseUrl.replace(/\/+$/, '')}/`
    const url = new URL(path.replace(/^\/+/, ''), base)

    Object.entries(params).forEach(([key, value]) => {
      if (value !== null && value !== undefined) {
        url.searchParams.set(key, String(value))
      }
    })

    const response = await fetch(url, {
      headers: {
        Accept: 'application/json',
        ...this.defaultHeaders,
      },
    })

    if (!response.ok) {
      throw new {{name.pascalCase}}Error(response.status, response.statusText)
    }

    return response.json() as Promise<T>
  }
}

/**
 * Создаёт REST-клиент {{name.pascalCase}} с заданным base URL.
 */
export const create{{name.pascalCase}}Client = (baseUrl: string) => new {{name.pascalCase}}Client(baseUrl)