/**
 * Copyright since 2025 Mifos Initiative
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */

import { Component, OnInit, inject } from '@angular/core';
import { ActivatedRoute } from '@angular/router';
import { STANDALONE_SHARED_IMPORTS } from 'app/standalone-shared.module';
import { FaIconComponent } from '@fortawesome/angular-fontawesome';
import { MatIcon } from '@angular/material/icon';
import { MatProgressSpinner } from '@angular/material/progress-spinner';
import { ClientsService } from '../../clients.service';

@Component({
  selector: 'mifosx-entity-classification-tab',
  templateUrl: './entity-classification-tab.component.html',
  styleUrls: ['./entity-classification-tab.component.scss'],
  imports: [
    ...STANDALONE_SHARED_IMPORTS,
    FaIconComponent,
    MatIcon,
    MatProgressSpinner
  ]
})
export class EntityClassificationTabComponent implements OnInit {
  private route = inject(ActivatedRoute);
  private clientsService = inject(ClientsService);

  clientId: string = '';
  loading = true;
  data: any = null;

  /** Category metadata for display */
  categories = [
    { key: 'msme', label: 'MSME', tag: 'Udyam / MSME', tagColor: '#0A5C6B', tagBg: '#E6F4F6', icon: 'cogs' },
    { key: 'startup', label: 'Startup India', tag: 'DPIIT', tagColor: '#1A5FAB', tagBg: '#EAF2FB', icon: 'rocket' },
    {
      key: 'mudra',
      label: 'Mudra Borrower',
      tag: 'PMMY',
      tagColor: '#8A5A00',
      tagBg: '#FEF3DC',
      icon: 'hand-holding-usd'
    },
    { key: 'eou', label: 'Export Oriented Unit', tag: 'EOU', tagColor: '#1B7A4A', tagBg: '#E8F5EE', icon: 'ship' },
    {
      key: 'importexport',
      label: 'Import Export',
      tag: 'DGFT / IEC',
      tagColor: '#5B3A8A',
      tagBg: '#F0EBF8',
      icon: 'exchange-alt'
    },
    { key: 'psl', label: 'Priority Sector', tag: 'RBI PSL', tagColor: '#7B1F1F', tagBg: '#FCEAEA', icon: 'bullseye' },
    {
      key: 'nps',
      label: 'Non-Priority Sector',
      tag: 'General',
      tagColor: '#444441',
      tagBg: '#F1EFE8',
      icon: 'building'
    }
  ];

  ngOnInit() {
    this.clientId = this.route.parent?.snapshot.paramMap.get('clientId') || '';
    if (this.clientId) {
      this.clientsService.getEntityClassifications(this.clientId).subscribe({
        next: (res: any) => {
          this.data = res;
          this.loading = false;
        },
        error: () => {
          this.loading = false;
        }
      });
    } else {
      this.loading = false;
    }
  }

  get enabledCategories(): any[] {
    if (!this.data) return [];
    return this.categories.filter((c) => this.data[c.key]?.enabled);
  }

  getCategoryData(key: string): any {
    return this.data?.[key] || {};
  }

  getFieldPairs(catData: any): { label: string; value: any }[] {
    if (!catData) return [];
    const skip = [
      'id',
      'clientId',
      'enabled',
      'locale',
      'dateFormat'
    ];
    return Object.keys(catData)
      .filter((k) => !skip.includes(k) && catData[k] != null && catData[k] !== '' && catData[k] !== false)
      .map((k) => ({
        label: this.formatLabel(k),
        value: this.formatValue(catData[k])
      }));
  }

  private formatLabel(key: string): string {
    return key
      .replace(/([A-Z])/g, ' $1')
      .replace(/^./, (s) => s.toUpperCase())
      .replace(/Id$/, '')
      .trim();
  }

  private formatValue(val: any): string {
    if (Array.isArray(val) && val.length === 3) {
      return `${val[2]}/${val[1]}/${val[0]}`;
    }
    if (val === true) return 'Yes';
    if (typeof val === 'number') return val.toLocaleString('en-IN');
    return String(val);
  }
}