import fs from "fs";
import path from "path";
import { Result } from "sim-shared/domain/Result.js";

export type P12Cert = {
  cainfo: string,
  p12cert: string
}

export type SSLCert = {
  cainfo: string,
  sslcert: string,
  keypem: string
}

export class SSLCertificateLoader {

  constructor(
    private certificatesDir: string,
  ) {
  }

  public loadCertificatesP12(caFile: string, certFile: string): Result<string, P12Cert> {
    try {
      const cainfo = fs.readFileSync(path.resolve(this.certificatesDir, caFile)).toString();
      const p12cert = fs.readFileSync(path.resolve(this.certificatesDir, certFile)).toString();
      return { data: { cainfo, p12cert } };
    } catch (e) {
      console.error("[x] Error cargando los certificados P12", e)
      return {
        error: String(e)
      }
    }
  }

  public loadCertificatesSSL(caFile: string, certFile: string, keyFile: string): Result<string, SSLCert> {
    try {
      const cainfo = fs.readFileSync(path.resolve(this.certificatesDir, caFile)).toString();
      const sslcert = fs.readFileSync(path.resolve(this.certificatesDir, certFile), { encoding: null }).toString();
      const keypem = fs.readFileSync(path.resolve(this.certificatesDir, keyFile), { encoding: null }).toString();
      return { data: { cainfo, sslcert, keypem } };
    } catch (e) {
      console.error("[x] Error cargando los certificados SSL", e)
      return {
        error: String(e)
      }
    }
  }

}