import { Inject, Injectable, Scope } from 'graphql-modules';
import { init, Sdk } from '@accounter-toolkit/green-invoice-graphql';
import { ENVIRONMENT } from '@shared/tokens';
import type { Environment } from '@shared/types';

@Injectable({
  scope: Scope.Singleton,
  global: true,
})
export class GreenInvoiceProvider {
  constructor(@Inject(ENVIRONMENT) private env: Environment) {}

  private async init() {
    const id = this.env.greenInvoice.id;
    const secret = this.env.greenInvoice.secret;

    if (!id || !secret) {
      throw new Error('Environment variables not found');
    }

    const greenInvoice = await init(id, secret);

    return greenInvoice;
  }

  public async getSDK(): Promise<Sdk> {
    try {
      const sdk = (await this.init()).sdk;

      return sdk;
    } catch (e) {
      console.error(e);
      throw new Error(`Green Invoice error: ${(e as Error).message}`);
    }
  }

  public async addExpenseDraftByFile(...params: Parameters<Sdk['addExpenseDraftByFile_mutation']>) {
    const sdk = await this.getSDK();
    return sdk.addExpenseDraftByFile_mutation(...params);
  }

  public async searchDocuments(...params: Parameters<Sdk['searchDocuments_query']>) {
    const sdk = await this.getSDK();
    return sdk.searchDocuments_query(...params);
  }
}