import { CommonModule } from '@angular/common';
import { Component, inject, ViewChild } from '@angular/core';
import { AngularMaterialModule } from '../../shared/module/angular-material.module';
import { ReactiveFormsModule } from '@angular/forms';
import { ApplicationComponent } from '../application/application.component';
import { StepperSelectionEvent } from '@angular/cdk/stepper';
import { GoodsComponent } from '../goods/goods.component';
import { HolderComponent } from '../holder/holder.component';
import { ActivatedRoute } from '@angular/router';
import { ShippingComponent } from '../shipping/shipping.component';
import { TravelPlanComponent } from '../travel-plan/travel-plan.component';
import { UserPreferences } from '../../core/models/user-preference';
import { UserPreferencesService } from '../../core/services/user-preference.service';

@Component({
  selector: 'app-edit-carnet',
  imports: [AngularMaterialModule, CommonModule, ReactiveFormsModule,
    ApplicationComponent, HolderComponent, GoodsComponent, TravelPlanComponent, ShippingComponent],
  templateUrl: './edit-carnet.component.html',
  styleUrl: './edit-carnet.component.scss'
})
export class EditCarnetComponent {
  currentStep = 0;
  isLinear = false;
  applicationType: 'new' | 'additional' | 'duplicate' | 'extend' | null = 'new';
  isEditMode = true; // Set to true for edit mode
  headerid: number = 0;
  userPreferences: UserPreferences;
  applicationName: string = '';
  allSectionsCompleted: boolean = false;

  @ViewChild(ShippingComponent, { static: false })
  private shippingComponent!: ShippingComponent;

  // Track completion of each step
  stepsCompleted = {
    applicationDetail: true,
    holderSelection: false,
    goodsSection: false,
    travelPlan: false,
    shipping: false
  };

  private route = inject(ActivatedRoute);

  constructor(userPrefenceService: UserPreferencesService) {
    this.userPreferences = userPrefenceService.getPreferences();
  }

  ngOnInit(): void {
    const idParam = this.route.snapshot.paramMap.get('headerid');
    this.headerid = idParam ? parseInt(idParam, 10) : 0;

    this.applicationName = this.route.snapshot.queryParamMap.get('applicationname') || '';

    let returnTo = this.route.snapshot.queryParamMap.get('return');

    if (returnTo === 'holder') {
      this.currentStep = 1;
    } else if (returnTo === 'shipping') {
      this.currentStep = 4;
    }
  }

  onStepChange(event: StepperSelectionEvent): void {
    this.currentStep = event.selectedIndex;
  }

  onHolderSelectionSaved(completed: boolean): void {
    this.stepsCompleted.holderSelection = completed;
    this.isAllSectionsCompleted();
  }

  onGoodsSectionSaved(completed: boolean): void {
    this.stepsCompleted.goodsSection = completed;
    this.isAllSectionsCompleted();
  }

  onHolderSelectionUpdated(updated: boolean): void {
    if (updated) {
      this.shippingComponent?.refreshShippingData();
    }

    this.isAllSectionsCompleted();
  }

  onTravelPlanSaved(completed: boolean): void {
    this.stepsCompleted.travelPlan = completed;
    this.isAllSectionsCompleted();
  }

  onShippingSaved(completed: boolean): void {
    this.stepsCompleted.shipping = completed;
    this.isAllSectionsCompleted();
  }

  isAllSectionsCompleted() {
    this.allSectionsCompleted = this.stepsCompleted.applicationDetail
      && this.stepsCompleted.holderSelection && this.stepsCompleted.goodsSection
      && this.stepsCompleted.shipping && this.stepsCompleted.travelPlan;
  }
}