import { Component, OnInit, ViewChild } from '@angular/core';
import { Sale_PurchaseMastViewModel, ItemViewModel, Sale_PurchaseDetailViewModel } from '../store-model';
import { Subject, Subscription } from 'rxjs';
import { debounceTime } from 'rxjs/operators';
import { StoreService } from '../store.services';
import { NotificationService } from '../../../_services/notification.service';
import { ActivatedRoute, Router } from '@angular/router';
import { LocalService } from '../../../_services/local.service';
import { NgForm } from '@angular/forms';
import { FormCanDeactivate } from '../../../_guards/form-can-deactivate';

@Component({
  selector: 'app-purchase-form',
  templateUrl: './purchase-form.component.html',

})
export class PurchaseFormComponent extends FormCanDeactivate implements OnInit {

  @ViewChild('f')
  form: NgForm;
  
  public saving = false;
  public P_Mast = new Sale_PurchaseMastViewModel();
  public sp_item = new Sale_PurchaseDetailViewModel();
  public searchEvent = new Subject<any>();
  public searchSubcription: Subscription = null;
  public accountList = [];
  public supaccountList = [];
  public itemList = [];
  public oldrate = 0;
  public nowDate = new Date();
  public isEdit = false;
  public isSpItemEdit = false;

  constructor(public _storeService: StoreService,
    public _notificationService: NotificationService,
    private activatedRoute: ActivatedRoute,
    private router: Router,
    private _localService: LocalService) { super(); }

  ngOnInit() {
    this.activatedRoute.queryParams.subscribe(params => {
      const accId = params['id'];
      if (accId != null) {

        this.getOdrrDtl(accId);
      } else {
        this.InitialzedProp();
      }

    });
    this.nowDate.setHours(this.nowDate.getHours() + 5);
    this.handleSearchEvents();
  }
  batchesOfSelectedItems = [];
  isBatchNoValid = true;
  validateBatchCode() {
    let contains = this.batchesOfSelectedItems.find(x => x.spBatch === this.sp_item.Batch);
    this.isBatchNoValid = (contains === undefined) ? true : false;
  }
  public onSubmit() {
    this.saving = true;
    this.nowDate = new Date();
    let emp: any = Object.assign({}, this.P_Mast);
    if (this.P_Mast.SP_Date) {
      emp.SP_Date = this.P_Mast.SP_Date.toDateString();
    }
    this._storeService.savePurchaseInvoice(emp).subscribe((res: any) => {
      this._notificationService.notify('success', 'Invoice Save Successfully');
      this.InitialzedProp();
      this.saving = false;
    }, err => {
      this._notificationService.notify('danger', err.error);

      //this.InitialzedProp();
      this.saving = false;
    });
  }
  public InitialzedProp() {
    this.P_Mast = new Sale_PurchaseMastViewModel();
    this.P_Mast.SP_Items = [];
    this.P_Mast.SP_Date = new Date();
    this.P_Mast.FK_Inv_Type = new ItemViewModel();
    this.P_Mast.FK_Inv_Type.Id = 2;
    this.sp_item.VAT_Type = 'VAT ON';
    this.sp_item.VAT_Value = 5;
    this.P_Mast.SP_Type = 'Exp';
    this.P_Mast.PaymentType = 'Net Paid';
    this.nowDate = new Date();
    this.nowDate.setHours(this.nowDate.getHours() + 3);

  }
  public ClearForm() {
    this.InitialzedProp();
  }
  public attachfile(event) {
    this.P_Mast.file = event.target.files[0];
  }
  public ClearEditForm() {
    this.P_Mast.Inv_Amount += this.sp_item.Total;
    this.sp_item = new Sale_PurchaseDetailViewModel();
    this.sp_item.VAT_Type = 'VAT ON';
    this.sp_item.VAT_Value = 5;
    this.nowDate = new Date();
    this.nowDate.setHours(this.nowDate.getHours() + 3);
    this.isSpItemEdit = false;
  }
  public getAccount(x: string, event: string) {
    debugger;
    this.nowDate = new Date();
    this._storeService.getAccountBySearch(x, event).subscribe((res: any) => {
      if (res) {
        if (event == 'Exp' || event == 'St') {
          this.accountList = res;
        } else {
          this.supaccountList = res;
        }
      }
    }, err => {
      this._notificationService.notify('danger', err.msg);

    });
  }

  PaymentTypeChanged() {
    this.P_Mast.FK_Sup_Cradit_Acc = null;
    this.supaccountList = [];
  }

  ExpTypeChanged() {
    this.P_Mast.FK_Dabit_Acc = null;
    this.accountList = [];
  }

  public getOdrrDtl(x) {
    this.nowDate = new Date();
    this._storeService.getOderDtl(x).subscribe((res: any) => {
      console.log(res);
      this.P_Mast = res.item;
      this.P_Mast.PaymentType = res.item.PaymentType;
      this.isEdit = true;
      if (this.P_Mast.PaymentType == 'Credit') {
        this.getAccount(' ', 'SCS');
      }

      if (this.P_Mast.PaymentType == 'Net Paid') {
        this.getAccount(' ', 'CaB');
      }
      if (this.P_Mast.SP_Type == 'Exp') {
        this.getAccount('', 'Exp');
      }
      if (this.P_Mast.SP_Type == 'St') {
        this.getAccount('', 'St');
      }

      if (this.P_Mast.PaidAmount > 0) {
        this._notificationService.notify('danger', `Sorry This Order Can't be Edit Any More.`);
        this.router.navigate(['/store/p-list']);
      }
      this.P_Mast.SP_Date = new Date(res.item.SP_Date);
      this.P_Mast.FK_Dabit_Acc = new ItemViewModel(res.item.FK_Dabit_Acc.Id, res.item.FK_Dabit_Acc.Name);
      this.P_Mast.FK_Sup_Cradit_Acc = new ItemViewModel(res.item.FK_Sup_Cradit_Acc.Id, res.item.FK_Sup_Cradit_Acc.Name);

      //P_Mast.FK_Sup_Cradit_Acc
      //P_Mast.FK_Dabit_Acc
    }, err => {
      this._notificationService.notify('danger', err);
    });
  }
  public getItem(x: string) {
    this.nowDate = new Date();
    this._storeService.getItemBySearch(x).subscribe((res: any) => {
      if (res) {
        console.log(res);
        console.log(this.P_Mast.SP_Type);
        if (this.P_Mast.SP_Type === 'Exp') {
          this.itemList = res.filter(ri => ri.Item_Type === 'Service');
          this.sp_item.Item_Type = 'Service';
        }
        if (this.P_Mast.SP_Type === 'St') {
          this.itemList = res.filter(ri => ri.Item_Type === 'Product');
          this.sp_item.Item_Type = 'Product';
        }
        console.log(this.itemList)
      }
    }, err => {
      this._notificationService.notify('danger', err.msg);
    });
  }
  public dropdownValueChanged = (value, filter) => {
    this.nowDate = new Date();
    if (!value) {
      return;
    }
    if (filter == 'dabitAcc') {
      this.P_Mast.FK_Dabit_Acc.Id = this.accountList.find(x => x.Name == value).Id;
    }
    if (filter == 'FK_Sup_Cradit_Acc') {
      this.P_Mast.FK_Sup_Cradit_Acc.Id = this.accountList.find(x => x.Name == value).Id;

    }
    if (filter == 'itemCode') {
      debugger;
      this.sp_item.Item_Code = this.itemList.find(x => x.Code == value).Code;
      this.sp_item.FK_Item_Id = this.itemList.find(x => x.Code == value).Id;
      this.sp_item.Item_Name = this.itemList.find(x => x.Code == value).Name;
      this.sp_item.Qty = this.itemList.find(x => x.Code == value).Qty;
      this.sp_item.UOM = this.itemList.find(x => x.Code == value).Measure;
      this.sp_item.Rate = this.itemList.find(x => x.Code == value).Purchase_Price;
      this.sp_item.Item_Type = this.itemList.find(x => x.Code == value).Item_Type;
      if (this.sp_item.Item_Type == 'Product') {
        this.sp_item.Batch = this.itemList.find(x => x.Code == value).Batch;
        this.batchesOfSelectedItems = this.itemList.find(x => x.Code == value).ExistingBatches;
      }
    }

  }
  public AddToCart() {
    this.nowDate = new Date();
    this.P_Mast.SP_Items.push(this.sp_item);
    this.P_Mast.Inv_Amount += this.sp_item.Total;
    this.sp_item = new Sale_PurchaseDetailViewModel();
    this.sp_item.VAT_Type = 'VAT ON';
    this.sp_item.VAT_Value = 5;
  }
  UpdateCartItem() {
    this.nowDate = new Date();
    this.P_Mast.SP_Items.splice(this.P_Mast.SP_Items.indexOf(this.sp_item), 1, this.sp_item);
    this.P_Mast.Inv_Amount += this.sp_item.Total;
    this.sp_item = new Sale_PurchaseDetailViewModel();
    this.sp_item.VAT_Type = 'VAT ON';
    this.sp_item.VAT_Value = 5;
    this.isSpItemEdit = false;
  }
  EditItem(item) {
    console.log(item);
    //P_Mast.FK_Sup_Cradit_Acc
    //P_Mast.FK_Dabit_Acc
    this.sp_item = item;
    this.P_Mast.Inv_Amount -= this.sp_item.Total;
    this.isSpItemEdit = true;
  }
  public calculateVat(x) {
    this.nowDate = new Date();
    debugger;
    if (this.sp_item.Rate == null || this.sp_item.Qty == null) {
      return;
    }
    if (this.sp_item.VAT_Type == 'VAT ON') {

      if (this.oldrate != 0) {
        this.sp_item.Rate = this.oldrate;
        this.oldrate = 0;
      }
      var amount = this.sp_item.Rate * this.sp_item.Qty;
      this.sp_item.VatAmount = (amount * x) / 100;
      this.sp_item.Total = amount + this.sp_item.VatAmount;

    }
    if (this.sp_item.VAT_Type == 'VAT FROM') {
      this.oldrate = this.sp_item.Rate;
      var amount = this.sp_item.Rate * this.sp_item.Qty;
      this.sp_item.VatAmount = (amount * x) / (100 + x);
      this.sp_item.Rate -= (this.sp_item.VatAmount / this.sp_item.Qty);
      this.sp_item.Total = (this.sp_item.Rate * this.sp_item.Qty) + this.sp_item.VatAmount;


    }

    if (this.isSpItemEdit == false) {
      this.AddToCart();
    }
    if (this.isSpItemEdit == true) {
      this.UpdateCartItem();
    }

  }

  public RemoveFromCart(e) {
    this.nowDate = new Date();
    var item = this.P_Mast.SP_Items[e];
    this.P_Mast.Inv_Amount -= item.Total;
    this.P_Mast.SP_Items.splice(e, 1);


  }
  public handleSearchEvents() {
    this.nowDate = new Date();
    this.searchSubcription = this.searchEvent.pipe(
      debounceTime(400)).subscribe((x: any) => {
        console.log(x);
        if (x) {
          debugger;
          if (x.filter == 'FK_Dabit_Acc') {

            this.getAccount(x.event, this.P_Mast.SP_Type);
          }
          if (x.filter == 'FK_Cradit') {

            this.getAccount(x.event, 'SCS');
          }
          if (x.filter == 'FK_Payment') {
            this.getAccount(x.event, 'CaB')
          }


          if (x.filter == 'itemCode') {
            if (x.event != '') {
              this.getItem(x.event);
            } else {
              this.sp_item = new Sale_PurchaseDetailViewModel();
              this.sp_item.VAT_Type = 'VAT ON';
              this.sp_item.VAT_Value = 5;
            }

          }
          // if(x.filter == 'vat'){
          //   this.calculateVat(x.event);
          // }
          // if(x.filter == 'qty'){

          //   this.calculateVat(this.sp_item.VAT_Value);
          // }

        }
      });
  }
}