import { Component, OnInit, Inject } from '@angular/core';
import { MatDialogRef, MAT_DIALOG_DATA } from '@angular/material/dialog';
import { UntypedFormGroup } from '@angular/forms';

import { FormfieldBase } from './formfield/model/formfield-base';

import { FormGroupService } from './form-group.service';

const layoutGap = 2;

@Component({
  selector: 'mifosx-form-dialog',
  templateUrl: './form-dialog.component.html',
  styleUrls: ['./form-dialog.component.scss']
})
export class FormDialogComponent implements OnInit {

  layout: {
    columns: number,
    columnWidth?: number,
    flex?: number,
    gap?: number,
    cancelButtonText?: string,
    addButtonText?: string
  } = {
    columns: 1,
    columnWidth: 400,
    flex: 100,
    cancelButtonText: 'Cancel',
    addButtonText: 'Add'
  };

  form: UntypedFormGroup;
  formfields: FormfieldBase[];
  pristine: boolean;

  constructor(public dialogRef: MatDialogRef<FormDialogComponent>,
              @Inject(MAT_DIALOG_DATA) public data: any,
              private formGroupService: FormGroupService) {
    this.dialogRef.disableClose = data.disableClose !== undefined ? data.disableClose : true;
    this.formfields = data.formfields.sort((formfieldA: FormfieldBase, formfieldB: FormfieldBase) => formfieldA.order - formfieldB.order);
    this.pristine = data.pristine !== undefined ? data.pristine : true;
    this.layout = { ...this.layout, ...data.layout };
    this.layout.gap = this.layout.columns > 1 ? layoutGap : 0;
    this.layout.flex = (this.layout.flex / this.layout.columns) - this.layout.gap;
  }

  ngOnInit() {
    this.dialogRef.updateSize(`${this.layout.columnWidth * this.layout.columns}px`);
    this.form = this.formGroupService.createFormGroup(this.formfields);
    if (!this.pristine) {
      this.form.markAsDirty();
    }
  }

}