import { ref, watch } from 'vue';
import { defineStore } from 'pinia';
import { CustomerCreate } from 'src/stores/customer/types';
import useMyBranch from 'src/stores/my-branch';
import useCustomerStore from 'src/stores/customer';

export const useCustomerForm = defineStore('form-customer', () => {
  const customerStore = useCustomerStore();
  const branchStore = useMyBranch();

  let defaultFormData: CustomerCreate = {
    status: 'CREATED',
    personName: '',
    customerType: 'CORP',
    customerName: '',
    customerNameEN: '',
    taxNo: '',
    registeredBranchId: branchStore.currentMyBranch?.id || '',
    customerBranch: [],
    image: null,
  };
  let resetFormData = structuredClone(defaultFormData);

  const currentFormData = ref<CustomerCreate>(structuredClone(defaultFormData));
  const state = ref<{
    dialogType: 'info' | 'create' | 'edit';
    dialogOpen: boolean;
    dialogModal: boolean;
    branchIndex: number;
    saveMode: 'customer' | 'branch';
    customerImageUrl: string;
    imageDialog: boolean;
    imageEdit: boolean;
    editCustomerId?: string;
    editCustomerBranchId?: string;
  }>({
    dialogType: 'info',
    dialogOpen: false,
    dialogModal: false,
    imageDialog: false,
    branchIndex: 0,
    imageEdit: false,
    saveMode: 'customer',
    customerImageUrl: '',
    editCustomerId: '',
    editCustomerBranchId: '',
  });

  watch(
    currentFormData,
    (v) => (defaultFormData.customerType = v.customerType),
  );

  function isFormDataDifferent() {
    return (
      JSON.stringify(resetFormData) !== JSON.stringify(currentFormData.value)
    );
  }

  function resetForm(clean = false) {
    if (clean) {
      defaultFormData.customerType = currentFormData.value.customerType;
      currentFormData.value = structuredClone(defaultFormData);
      currentFormData.value.registeredBranchId =
        branchStore.currentMyBranch?.id || '';
      return;
    }

    if (!resetFormData.registeredBranchId) {
      resetFormData.registeredBranchId = branchStore.currentMyBranch?.id || '';
    }

    currentFormData.value = structuredClone(resetFormData);
  }

  async function assignFormData(id?: string) {
    if (!id) {
      resetFormData = structuredClone(defaultFormData);
      return;
    }

    const data = await customerStore.fetchById(id);

    if (!data) return;

    resetFormData.registeredBranchId = data.registeredBranchId;
    resetFormData.status = data.status;
    resetFormData.customerType = data.customerType;
    resetFormData.customerName = data.customerName;
    resetFormData.customerNameEN = data.customerNameEN;
    resetFormData.personName = data.personName;
    resetFormData.taxNo = data.taxNo;
    resetFormData.image = null;
    resetFormData.customerBranch = data.branch.map((v) => ({
      id: v.id,
      code: v.code,
      branchNo: v.branchNo,
      address: v.address,
      addressEN: v.addressEN,
      provinceId: v.province.id,
      districtId: v.district.id,
      subDistrictId: v.subDistrict.id,
      zipCode: v.zipCode,
      email: v.email,
      telephoneNo: v.telephoneNo,
      name: v.name,
      status: undefined,
      taxNo: v.taxNo,
      nameEN: v.nameEN,
      legalPersonNo: v.legalPersonNo,
      registerName: v.registerName,
      registerDate: new Date(v.registerDate),
      authorizedCapital: v.authorizedCapital,
      employmentOffice: v.employmentOffice,
      bussinessType: v.bussinessType,
      bussinessTypeEN: v.bussinessTypeEN,
      jobPosition: v.jobPosition,
      jobPositionEN: v.jobPositionEN,
      jobDescription: v.jobDescription,
      saleEmployee: v.saleEmployee,
      payDate: new Date(v.payDate),
      wageRate: v.wageRate,
    }));

    currentFormData.value = structuredClone(resetFormData);
  }

  function addCurrentCustomerBranch() {
    currentFormData.value.customerBranch?.push({
      id: '',
      code: '',
      branchNo: 1,
      address: '',
      addressEN: '',
      provinceId: '',
      districtId: '',
      subDistrictId: '',
      zipCode: '',
      email: '',
      telephoneNo: '',
      name: '',
      status: 'CREATED',
      taxNo: '',
      nameEN: '',
      legalPersonNo: '',
      registerName: '',
      registerDate: new Date(),
      authorizedCapital: '',
      employmentOffice: '',
      bussinessType: '',
      bussinessTypeEN: '',
      jobPosition: '',
      jobPositionEN: '',
      jobDescription: '',
      saleEmployee: '',
      payDate: new Date(),
      wageRate: 0,
    });
  }

  async function submitForm() {
    if (state.value.saveMode === 'customer') await submitFormCustomer();
  }

  async function submitFormCustomer() {
    if (state.value.dialogType === 'info') return;

    if (state.value.dialogType === 'create') {
      return await customerStore.create(currentFormData.value);
    }

    if (!state.value.editCustomerId) {
      throw new Error(
        'Form mode is set to edit but no ID is provided. Make sure to set customer ID.',
      );
    }

    await customerStore.editById(state.value.editCustomerId, {
      ...currentFormData.value,
      image: currentFormData.value.image || undefined,
      customerBranch: undefined,
    });
  }

  return {
    state,
    resetFormData,
    currentFormData,
    isFormDataDifferent,
    resetForm,
    assignFormData,
    submitForm,
    addCurrentCustomerBranch,
  };
});

export const useEmployeeForm = defineStore('form-employee', () => {
  return {};
});