import { Maybe } from '@/core';
import { ToastService } from '@/core/services/toast.service';
import { InventoriesSelectComponent } from '@/modules/inventories/components/select/select.component';
import { IInventoryResponse } from '@/modules/inventories/models';
import { IProductResponse } from '@/modules/products/models';
import { SuppliersSelectComponent } from '@/modules/suppliers/components/select/select.component';
import { ISupplierResponse } from '@/modules/suppliers/models';
import { InlineEditComponent, InputComponent } from '@/shared/components';
import { IColumn } from '@/shared/components/pageDataList/page-data-list.component';
import { PriceAlphabetDirective, PriceMaskDirective } from '@/shared/directives';
import { UikitFlatpickrJalaliComponent } from '@/uikit';
import { CommonModule } from '@angular/common';
import { Component, inject, Input, signal } from '@angular/core';
import { FormBuilder, ReactiveFormsModule, Validators } from '@angular/forms';
import { ButtonDirective } from 'primeng/button';
import { Card } from 'primeng/card';
import { TableModule } from 'primeng/table';
import { IPurchaseRequest } from '../../models';
import { PurchasesService } from '../../services/main.service';
import { PurchaseReceiptProductRowComponent } from './purchase-receipt-product-row.component';

@Component({
  selector: 'purchase-receipt-template',
  templateUrl: './purchase-receipt-template.component.html',
  standalone: true,

  imports: [
    Card,
    InventoriesSelectComponent,
    SuppliersSelectComponent,
    InputComponent,
    TableModule,
    InlineEditComponent,
    PurchaseReceiptProductRowComponent,
    PriceAlphabetDirective,
    PriceMaskDirective,
    ButtonDirective,
    CommonModule,
    ReactiveFormsModule,
    UikitFlatpickrJalaliComponent,
  ],
})
export class PurchaseReceiptTemplateComponent {
  private fb = inject(FormBuilder);

  @Input() product?: IProductResponse;
  @Input() inventory?: IInventoryResponse;
  @Input() supplier?: ISupplierResponse;

  columns = [
    {
      field: 'index',
      header: 'ردیف',
      width: '60px',
    },
    {
      field: 'sku',
      header: 'کد کالا',
      width: '120px',
    },
    {
      field: 'name',
      header: 'نام کالا',
      minWidth: '160px',
    },
    {
      field: 'description',
      header: 'توضیحات',
      width: '200px',
    },
    {
      field: 'fee',
      header: 'قیمت واحد',
      width: '120px',
    },
    {
      field: 'count',
      header: 'تعداد',
      width: '80px',
    },
    {
      field: 'total',
      header: 'مبلغ کل',
      width: '140px',
    },
    {
      field: 'action',
      header: '',
      width: '100px',
    },
  ] as IColumn[];

  form = this.fb.group({
    totalAmount: [300000, [Validators.required, Validators.min(0)]],
    code: ['122132', [Validators.required]],
    isSettled: [false],
    buyAt: ['2025-12-01', Validators.required],
    description: [''],
    products: this.fb.array([
      this.fb.group({
        product: [{ id: 1 } as Maybe<IProductResponse>, [Validators.required]],
        count: [2, [Validators.required, Validators.min(1)]],
        fee: [150000, [Validators.required, Validators.min(0)]],
        description: [''],
        total: [300000, [Validators.required, Validators.min(0)]],
      }),
    ]),
    inventory: [{ id: 2 } as Maybe<IInventoryResponse>, [Validators.required]],
    supplier: [{ id: 1 } as Maybe<ISupplierResponse>, [Validators.required]],
  });

  constructor(
    private service: PurchasesService,
    private toastService: ToastService,
  ) {
    this.form.controls.products.valueChanges.subscribe((products) => {
      let totalAmount = 0;
      products.forEach((p: any) => {
        totalAmount += p.total || 0;
      });
      this.form.controls.totalAmount.setValue(totalAmount);
    });
  }

  formIsSubmitted = signal(false);

  ngOnInit() {
    this.formIsSubmitted.set(false);
    if (this.product) {
      this.form.controls.products.at(0).setValue({
        product: this.product,
        count: 0,
        fee: 0,
        description: '',
        total: 0,
      });
    }
  }

  get totalAmount() {
    return this.form.controls.totalAmount.value || 0;
  }

  onAddProductClick() {
    this.form.controls.products.push(
      this.fb.group({
        product: [null as Maybe<IProductResponse>, [Validators.required]],
        count: [0, [Validators.required, Validators.min(1)]],
        fee: [0, [Validators.required, Validators.min(0)]],
        description: [''],
        total: [0, [Validators.required, Validators.min(0)]],
      }),
    );
  }

  removePurchaseItem(index: number) {
    this.form.controls.products.removeAt(index);
  }

  onSubmit() {
    this.formIsSubmitted.set(true);
    this.form.markAllAsTouched();
    if (this.form.valid) {
      const { products, inventory, supplier, ...res } = this.form.value;

      const payload = {
        ...res,
        inventoryId: this.form.controls.inventory.value?.id,
        supplierId: this.form.controls.supplier.value?.id,
        items: this.form.controls.products.value.map((item) => {
          const { product, description, ...res } = item;
          return { ...res, productId: item.product?.id };
        }),
      } as IPurchaseRequest;
      console.log(payload);
      this.form.disable();

      this.service.create(payload).subscribe({
        next: (res) => {
          this.toastService.success({ text: 'ثبت سند خرید با موفقیت انجام شد' });
          this.form.enable();
          this.form.reset();
          this.formIsSubmitted.set(false);
        },
        error: () => {
          this.form.enable();
        },
      });
    } else {
      this.form.markAllAsTouched();
    }
  }

  onCancel() {}
}