import {Control} from "@angular/common";
import {Attribute, Host, ElementRef, Input, OnInit, Directive} from "@angular/core";
import {OdisseiaInput} from "../odisseia-input/odisseia-input";
/**
 * Created by jd on 08/03/2016.
 */

@Directive({
    selector: 'match-validation'
})
export class MatchValidation implements OnInit
{
    @Input()
    match:Control;

    static matchValue:Object;
    static value:Object;

    constructor(@Host()
                private controlHost:OdisseiaInput,
                @Attribute('message')
                private validationMessage:string,
                el:ElementRef)
    {
        this.controlHost.addFormValidator({ValidationName: 'match-validation', ValidationMessage: this.validationMessage}, MatchValidation.matchValidation);
    }

    ngOnInit():any
    {
        this.match.valueChanges.subscribe((a)=>
        {
            MatchValidation.matchValue = a;
            this.controlHost.control.updateValueAndValidity();

        });

        return undefined;
    }


    static matchValidation(c:Control):{ [s: string]: boolean }
    {
        console.log("Is valid ? =  " + (MatchValidation.matchValue == c.value).toString());

        if (MatchValidation.matchValue != null && c.value != null)
        {
            if (MatchValidation.matchValue == c.value)
                return null;
            else
                return {"match": true};
        }
        else
            return null;

    }

}