import {Injectable} from "@angular/core";
import {Converter} from "./converter/converter";
import {Base64Encoder} from "./converter/base64encoder";
import {Base64Decoder} from "./converter/base64decoder";
import {URIEncoder} from "./converter/uriencoder";
import {URIDecoder} from "./converter/uridecoder";
import {URIComponentEncoder} from "./converter/uricomponentencoder";
import {URIComponentDecoder} from "./converter/uricomponentdecoder";
import {HTMLEntitiesEncoder} from "./converter/htmlentitiesencoder";
import {HTMLEntitiesDecoder} from "./converter/htmlentitiesdecoder";
import {DecToHexConverter} from "./converter/dectohexconverter";
import {HexToDecConverter} from "./converter/hextodecconverter";
import {DecToBinConverter} from "./converter/dectobinconverter";
import {BinToDecConverter} from "./converter/bintodecconverter";
import {QuotedPrintableDecoder} from "./converter/quotedprintabledecoder";
import {QuotedPrintableEncoder} from "./converter/quotedprintableencoder";
import {NativeLibraryWrapperService} from "./nativelibrarywrapper.service";
import {PunycodeEncoder} from "./converter/punycodeencoder";
import {PunycodeDecoder} from "./converter/punycodedecoder";
import {UTF8Encoder} from "./converter/utf8encoder";
import {UTF8Decoder} from "./converter/utf8decoder";

@Injectable()
export class ConverterRegistryService {
  private converters: Converter[] = [];

  constructor(private wrapper: NativeLibraryWrapperService) {
    this.init();
  }

  public getAllConverters(): Converter[] {
    return this.converters;
  }

  public getConverter(id: string): Converter {
    for (let i = 0; i < this.converters.length; i++) {
      if (this.converters[i].getId() == id) {
        return this.converters[i];
      }
    }
    return undefined;
  }

  private init(): void {
    this.registerConverter(new Base64Encoder());
    this.registerConverter(new Base64Decoder());
    this.registerConverter(new URIEncoder());
    this.registerConverter(new URIDecoder());
    this.registerConverter(new URIComponentEncoder());
    this.registerConverter(new URIComponentDecoder());
    this.registerConverter(new HTMLEntitiesEncoder());
    this.registerConverter(new HTMLEntitiesDecoder());
    this.registerConverter(new QuotedPrintableEncoder(this.wrapper));
    this.registerConverter(new QuotedPrintableDecoder(this.wrapper));
    this.registerConverter(new DecToHexConverter());
    this.registerConverter(new HexToDecConverter());
    this.registerConverter(new DecToBinConverter());
    this.registerConverter(new BinToDecConverter());
    this.registerConverter(new PunycodeEncoder(this.wrapper));
    this.registerConverter(new PunycodeDecoder(this.wrapper));
    this.registerConverter(new UTF8Encoder(this.wrapper));
    this.registerConverter(new UTF8Decoder(this.wrapper));
  }

  private registerConverter(converter: Converter): void {
    this.converters.forEach((c: Converter) => {
      if (c.getId() == converter.getId()) {
        throw new Error("Converter-ID " + converter.getId() + " is already registered!");
      }
    });
    this.converters.push(converter);
  }
}