import {Component, OnInit} from "@angular/core";
import {ConverterRegistryService} from "./converterregistry.service";
import {Converter} from "./converter/converter";
import {InputComponentManagerService} from "./inputcomponentmanager.service";


@Component({
    moduleId: module.id,
    selector: "den-inputarea",
    templateUrl: "inputarea.component.html",
    styleUrls: ["inputarea.component.css"]
})
export class InputareaComponent extends OnInit {
    public converters:Converter[] = [];
    public content:string = '';
    private selectedConverter:Converter;

    constructor(private converterRegistryService:ConverterRegistryService, private inputComponentManagerService:InputComponentManagerService) {
        super();
    }

    public convert(e):void {
        this.selectedConverter = this.converterRegistryService.getConverter(e.target.selectedOptions[0].id);
        this.update();
    }

    public update():void {
        if (this.selectedConverter !== undefined) {
            let result:string = this.selectedConverter.convert(this.content);
            let nextComponent:InputareaComponent = this.inputComponentManagerService.getNext(this);
            if (nextComponent !== undefined) {
                nextComponent.setContent(result);
            }
        }
    }

    public setContent(content:string):void {
        this.content = content;
        this.update();
    }

    ngOnInit():void {
        this.converters = this.converterRegistryService.getAllConverters();
        this.selectedConverter = undefined;
        this.inputComponentManagerService.register(this);
    }
}