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 { Router, ActivatedRoute } from '@angular/router';
import { LocalService } from '../../../_services/local.service';
import { FormCanDeactivate } from '../../../_guards/form-can-deactivate';
import { NgForm } from '@angular/forms';
@Component({
  selector: 'app-sales-form',
  templateUrl: './sales-form.component.html'
})
export class SalesFormComponent 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 cusAccountList = [];
  public cashAndBankAccountList = [];
  public itemList = [];
  public avaQty: number;
  public oldrate = 0;
  public showAdd = false;
  public nowDate = new Date();
  public isSpItemEdit = false;
  public isEdit = false;

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

  ngOnInit() {
    this.activatedRoute.queryParams.subscribe(params => {
      const accId = params['id'];
      if (accId != null) {
        this.isEdit = true;
        this.getAccount(' ', 'Incom');
        this.getAccount(' ', 'CCS');
        this.getAccount(' ', 'E');
        this.getAccount(' ', 'CaB');
        this.getOdrrDtl(accId);
        if (this.P_Mast.PaymentType === undefined || this.P_Mast.PaymentType === ' ') {
          this.P_Mast.PaymentType = 'Credit';
        }
      } else {
        this.isEdit = false;
        this.InitialzedProp();
      }

    });

    this.handleSearchEvents();
  }

  public getOdrrDtl(x) {
    this._storeService.getOderDtl(x).subscribe((res: any) => {
      debugger;
      this.P_Mast = res.item;
      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);
    }, err => {
      this._notificationService.notify('danger', err);
    });
  }

  public ClearForm() {
    this.InitialzedProp();
  }

  public onSubmit() {
    debugger;
    this.saving = true;
    this._storeService.savePurchaseInvoice(this.P_Mast).subscribe((res: any) => {
      this._notificationService.notify('success', 'Invoice Save Successfully');
      this.InitialzedProp();
      this.saving = false;
    }, err => {
      this._notificationService.notify('danger', err);
      // this.InitialzedProp();
      this.saving = false;
    });
  }

  batchesOfSelectedItems = [];
  isBatchNoValid = true;
  validateBatchCode() {
    let contains = this.batchesOfSelectedItems.find(x => x.spBatch === this.sp_item.Batch);
    this.isBatchNoValid = (contains === undefined) ? true : false;
  }

  BatchChange(event) {
    console.log(event);
    this._storeService.GetBatchStockStatus(event.SPD_ID).subscribe((res: any) => {
      this.avaQty = res;
      if (this.avaQty == 0) {
        this.batchesOfSelectedItems.splice(this.batchesOfSelectedItems.indexOf(event), 1);
      }
    }, (err) => {

    });
  }

  public InitialzedProp() {
    this.P_Mast = new Sale_PurchaseMastViewModel();
    // this.P_Mast.FK_Dabit_Acc = new ItemViewModel();
    // this.P_Mast.FK_Sup_Cradit_Acc = new ItemViewModel();
    this.P_Mast.SP_Items = [];
    this.P_Mast.SP_Date = new Date();
    this.P_Mast.PaymentType = `Credit`;
    this.P_Mast.FK_Inv_Type = new ItemViewModel();
    this.P_Mast.FK_Inv_Type.Id = 1;
    this.sp_item.VAT_Type = 'VAT ON';
    this.sp_item.VAT_Value = 5;

  }

  public getAccount(x: string, event: string) {

    this._storeService.getAccountBySearch(x, event).subscribe((res: any) => {
      if (res) {
        if (event === 'Incom') {
          this.accountList = res;
        }
        if (event === 'CCS') {
          this.cusAccountList = res;
        }
        if (event === 'CaB') {
          this.cashAndBankAccountList = res;
        }
        if (event === 'E') {
          this.cusAccountList = [];
          this.cusAccountList = res;
        }

      }
    }, err => {
      this._notificationService.notify('danger', err.msg);

    });
  }

  public getItem(x: string) {
    this._storeService.getItemBySearch(x).subscribe((res: any) => {
      if (res) {
        this.itemList = res;

      }
    }, err => {
      this._notificationService.notify('danger', err.msg);
    });
  }

  public attachfile(event) {
    this.P_Mast.file = event.target.files[0];
  }

  public dropdownValueChanged = (value, filter) => {
    if (!value) {
      return;
    }
    if (filter === 'coustomer') {
      this.P_Mast.FK_Dabit_Acc.Id = this.accountList.find(x => x.Name === value).Id;
    }
    if (filter === 'employee') {
      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.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.getStockStats(this.sp_item.FK_Item_Id);
        let exBatches: any = this.itemList.find(x => x.Code === value).ExistingBatches;
        this.batchesOfSelectedItems = exBatches;
      }
    }
  }

  public getPStock() {
    if (this.sp_item.Item_Type === 'Product') {
      this.getStockStats(this.sp_item.FK_Item_Id);
      if (this.sp_item.Item_Code && this.sp_item.Item_Type && this.avaQty >= this.sp_item.Qty && this.sp_item.Qty && this.sp_item.Item_Name) {
        this.showAdd = true;
      }
    } else {
      if (this.sp_item.Item_Name !== null) {
        this.showAdd = true;
      }
    }
  }

  public getStockStats(x: number) {
    this._storeService.getStockStatus(x).subscribe((res: any) => {
      if (res) {
        if (res.err === 'N') {
          this.avaQty = res.In_Qty;
        } else {
          this._notificationService.notify('danger', 'Not Avalibel in Stock');
          this.sp_item = new Sale_PurchaseDetailViewModel();
          this.avaQty = null;
          this.sp_item.VAT_Type = 'VAT ON';
          this.showAdd = false;
        }
      }
    }, err => {
      this._notificationService.notify('danger', err.msg);

    });
  }
  EditItem(item) {
    this.sp_item = item;
    this.P_Mast.Inv_Amount -= this.sp_item.Total;
    this.isSpItemEdit = true;
  }
  public AddToCart() {
    if (this.sp_item.Item_Type == 'Product') {
      var bItem = JSON.parse(JSON.stringify(this.sp_item.Batch));
      this.sp_item.Batch = 0;
      this.sp_item.Batch = bItem.spBatch;
      this.sp_item.SPD_ID = bItem.SPD_ID;
    }
    debugger;
    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.avaQty = null;
    this.sp_item.VAT_Type = 'VAT ON';
    this.sp_item.VAT_Value = 5;
    this.showAdd = false;

  }

  public calculateVat(x) {
    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;
      }
      let 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;
      let 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();
    }
  }
  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;
  }
  public RemoveFromCart(e) {
    let 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.searchSubcription = this.searchEvent.pipe(
      debounceTime(400)).subscribe((x: any) => {
        console.log(x);
        if (x) {
          debugger;
          if (x.filter === 'income') {
            this.getAccount(x.event, 'Incom');
          }
          if (x.filter === 'coustomer') {
            this.getAccount(x.event, 'CCS');
          }
          if (x.filter === 'cashAndbank') {
            this.getAccount(x.event, 'CaB');
          }
          if (x.filter === 'employee') {
            this.getAccount(x.event, 'E');
          }

          if (x.filter === 'itemCode') {
            if (x.event !== '') {
              this.getItem(x.event);
            } else {
              this.sp_item = new Sale_PurchaseDetailViewModel();
              this.avaQty = null;
              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);
            if (this.sp_item.Item_Code && this.sp_item.Item_Type && this.avaQty >= this.sp_item.Qty && this.sp_item.Qty) {
              this.showAdd = true;
            } else {
              if (this.sp_item.Item_Type === 'Service') {
                this.showAdd = true;
              } else {
                this.showAdd = false;
              }
            }
          }
        }
      });
  }
}