import {Component, OnInit, Input} from '@angular/core';
import {Sort} from '@angular/material/sort';
import {I18nService} from './../../services/i18n.service';

@Component({
  selector: 'app-permissions',
  templateUrl: './permissions.component.html',
  styleUrls: ['./permissions.component.scss']
})
export class PermissionsComponent implements OnInit {

  datetimeformat: String;
  @Input() permissions;
  permissionColumns = ["name", "starts", "expires"];

  constructor(private i18n: I18nService) {}

  ngOnInit(): void {
    this.datetimeformat = this.i18n.get('format.datetime', []);
    this.sortData({ "active": "name", "direction": "asc" });
  }

  sortData(sort: Sort) {
    const data = this.permissions.slice();
    if(!sort.active || sort.direction === '') {
      this.permissions = data;
      return;
    }

    this.permissions = data.sort((a, b) => {
      const isAsc = sort.direction === 'asc';
      switch(sort.active) {
        case 'name': return this.compare(this.i18n.get('services.' + a.name + '.title', []), this.i18n.get('services.' + b.name + '.title', []), isAsc);
        case 'starts': return this.compare(a.starts, b.starts, isAsc);
        case 'expires': return this.compare(a.expires, b.expires, isAsc);
        default: return 0;
      }
    });
  }

  compare(a: number | string , b: number | string , isAsc: boolean) {
    if (typeof a === 'string' && typeof b === 'string') {
      return  a.localeCompare(b,undefined, { sensitivity: 'accent' } ) * (isAsc ? 1 : -1);
    }
    return (a < b ? -1 : 1) * (isAsc ? 1 : -1);
  }
}