import { VAT } from '@/constants/values';
import type { ProcessContext } from '@/process/types';
import { disposableReaction } from '@/utils/mobx';
import { reaction } from 'mobx';
import { round } from 'tools';

export default function reactions({ store }: ProcessContext) {
  const { $calculation, $process } = store;

  reaction(
    () => $calculation.element('radioLastPaymentRule').getValue(),
    (lastPaymentRule) => {
      switch (lastPaymentRule) {
        case 100_000_000: {
          $calculation.element('tbxLastPaymentPerc').block();
          $calculation.element('tbxLastPaymentRub').unblock();
          break;
        }
        case 100_000_001: {
          $calculation.element('tbxLastPaymentPerc').unblock();
          $calculation.element('tbxLastPaymentRub').block();
          break;
        }
        default: {
          $calculation.element('tbxLastPaymentPerc').block();
          $calculation.element('tbxLastPaymentRub').block();
        }
      }
    },
    {
      fireImmediately: true,
    }
  );

  /**
   * Расчет размера скидки поставщика в валюте
   */

  disposableReaction(
    () => $process.has('LoadKP'),
    () => $calculation.$values.getValues(['leaseObjectPrice', 'supplierDiscountRub']),
    ({ leaseObjectPrice, supplierDiscountRub }) => {
      // NaN fix
      if (leaseObjectPrice === 0) {
        $calculation.element('tbxSupplierDiscountPerc').resetValue();
      } else {
        $calculation
          .element('tbxSupplierDiscountPerc')
          .setValue((supplierDiscountRub / leaseObjectPrice) * 100);
      }
    },
    {
      fireImmediately: true,
    }
  );

  /**
   * Расчет суммы скидки поставщика в валюте
   */
  reaction(
    () => $calculation.$values.getValues(['leaseObjectPrice', 'supplierDiscountPerc']),
    ({ leaseObjectPrice, supplierDiscountPerc }) => {
      $calculation
        .element('tbxSupplierDiscountRub')
        .setValue((supplierDiscountPerc * leaseObjectPrice) / 100);
    },
    {
      fireImmediately: true,
    }
  );

  reaction(
    () =>
      $calculation.$values.getValues([
        'product',
        'leaseObjectPrice',
        'VATInLeaseObjectPrice',
        'partialVAT',
      ]),
    async ({ product: productId, leaseObjectPrice, VATInLeaseObjectPrice, partialVAT }) => {
      if (productId && partialVAT) {
        $calculation
          .element('tbxLeaseObjectPriceWthtVAT')
          .setValue(leaseObjectPrice - VATInLeaseObjectPrice);
      } else {
        const priceWithVAT = round(leaseObjectPrice / (1 + VAT), 2);
        const priceVAT = leaseObjectPrice - priceWithVAT;
        $calculation.element('tbxLeaseObjectPriceWthtVAT').setValue(priceWithVAT);
        $calculation.element('tbxVATInLeaseObjectPrice').setValue(priceVAT);
      }
    }
  );

  disposableReaction(
    () => $process.has('LoadKP'),
    () =>
      $calculation.$values.getValues([
        'firstPaymentPerc',
        'addEquipmentPrice',
        'importProgramSum',
        'plPriceRub',
      ]),
    ({ firstPaymentPerc, addEquipmentPrice, importProgramSum, plPriceRub }) => {
      const rub = (firstPaymentPerc * (plPriceRub + addEquipmentPrice - importProgramSum)) / 100;
      $calculation.element('tbxFirstPaymentRub').setValue(rub);
    }
  );

  disposableReaction(
    () => $process.has('LoadKP'),
    () => $calculation.element('tbxFirstPaymentRub').getValue(),
    (firstPaymentRub) => {
      const { plPriceRub, addEquipmentPrice, importProgramSum } = $calculation.$values.getValues();
      const perc = (firstPaymentRub / (plPriceRub + addEquipmentPrice - importProgramSum)) * 100;
      $calculation.element('tbxFirstPaymentPerc').setValue(perc || 0);
    }
  );

  reaction(
    () =>
      $calculation.$values.getValues([
        'comissionPerc',
        'plPriceRub',
        'addEquipmentPrice',
        'importProgramSum',
      ]),
    ({ plPriceRub, comissionPerc, addEquipmentPrice, importProgramSum }) => {
      const rub = (comissionPerc * (plPriceRub + addEquipmentPrice - importProgramSum)) / 100;
      $calculation.element('tbxComissionRub').setValue(rub);
    }
  );

  disposableReaction(
    () => $process.has('LoadKP'),
    () => $calculation.element('tbxComissionRub').getValue(),
    (comissionRub) => {
      const { plPriceRub, addEquipmentPrice, importProgramSum } = $calculation.$values.getValues();
      const perc = (comissionRub / (plPriceRub + addEquipmentPrice - importProgramSum)) * 100;
      $calculation.element('tbxComissionPerc').setValue(perc || 0);
    }
  );

  disposableReaction(
    () => $process.has('LoadKP'),
    () =>
      $calculation.$values.getValues([
        'plPriceRub',
        'lastPaymentPerc',
        'addEquipmentPrice',
        'importProgramSum',
        'lastPaymentRule',
      ]),
    ({ addEquipmentPrice, lastPaymentPerc, plPriceRub, importProgramSum, lastPaymentRule }) => {
      if (lastPaymentRule === 100_000_000) {
        return;
      }

      const rub = (lastPaymentPerc * (plPriceRub + addEquipmentPrice - importProgramSum)) / 100;
      $calculation.element('tbxLastPaymentRub').setValue(rub);
    }
  );

  disposableReaction(
    () => $process.has('LoadKP'),
    () =>
      $calculation.$values.getValues([
        'plPriceRub',
        'lastPaymentRub',
        'addEquipmentPrice',
        'importProgramSum',
        'lastPaymentRule',
      ]),
    ({ lastPaymentRub, plPriceRub, addEquipmentPrice, importProgramSum, lastPaymentRule }) => {
      if (lastPaymentRule === 100_000_001) {
        return;
      }

      const perc = (lastPaymentRub / (plPriceRub + addEquipmentPrice - importProgramSum)) * 100;
      $calculation.element('tbxLastPaymentPerc').setValue(perc || 0);
    }
  );
}