import axios from 'axios'
import moment from 'moment'
import Guid from 'guid'
import _ from 'lodash'
import { defineStore } from 'pinia'
import { useRoute } from 'vue-router'
import { handleError } from '@/scripts/helpers/error-handling'
import invoiceItemStub from '../stub/invoice-item'
import taxStub from '../stub/tax'
import invoiceStub from '../stub/invoice'

import { useNotificationStore } from './notification'
import { useCustomerStore } from './customer'
import { useTaxTypeStore } from './tax-type'
import { useCompanyStore } from './company'
import { useItemStore } from './item'

export const useInvoiceStore = (useWindow = false) => {
  const defineStoreFunc = useWindow ? window.pinia.defineStore : defineStore
  const { global } = window.i18n
  const notificationStore = useNotificationStore()

  return defineStoreFunc({
    id: 'invoice',
    state: () => ({
      templates: [],
      invoices: [],
      selectedInvoices: [],
      selectAllField: false,
      invoiceTotalCount: 0,
      showExchangeRate: false,
      isFetchingInitialSettings: false,
      isFetchingInvoice: false,

      newInvoice: {
        ...invoiceStub(),
      },
    }),

    getters: {
      getInvoice: (state) => (id) => {
        let invId = parseInt(id)
        return state.invoices.find((invoice) => invoice.id === invId)
      },

      getSubTotal() {
        return this.newInvoice.items.reduce(function (a, b) {
          return a + b['total']
        }, 0)
      },

      getTotalSimpleTax() {
        return _.sumBy(this.newInvoice.taxes, function (tax) {
          if (!tax.compound_tax) {
            return tax.amount
          }
          return 0
        })
      },

      getTotalCompoundTax() {
        return _.sumBy(this.newInvoice.taxes, function (tax) {
          if (tax.compound_tax) {
            return tax.amount
          }
          return 0
        })
      },

      getTotalTax() {
        if (
          this.newInvoice.tax_per_item === 'NO' ||
          this.newInvoice.tax_per_item === null
        ) {
          return this.getTotalSimpleTax + this.getTotalCompoundTax
        }
        return _.sumBy(this.newInvoice.items, function (tax) {
          return tax.tax
        })
      },

      getSubtotalWithDiscount() {
        return this.getSubTotal - this.newInvoice.discount_val
      },

      getTotal() {
        return this.getSubtotalWithDiscount + this.getTotalTax
      },

      isEdit: (state) => (state.newInvoice.id ? true : false),
    },

    actions: {
      resetCurrentInvoice() {
        this.newInvoice = {
          ...invoiceStub(),
        }
      },

      previewInvoice(params) {
        return new Promise((resolve, reject) => {
          axios
            .get(`/api/v1/invoices/${params.id}/send/preview`, { params })
            .then((response) => {
              resolve(response)
            })
            .catch((err) => {
              handleError(err)
              reject(err)
            })
        })
      },

      fetchInvoices(params) {
        return new Promise((resolve, reject) => {
          axios
            .get(`/api/v1/invoices`, { params })
            .then((response) => {
              this.invoices = response.data.data
              this.invoiceTotalCount = response.data.meta.invoice_total_count
              resolve(response)
            })
            .catch((err) => {
              handleError(err)
              reject(err)
            })
        })
      },

      fetchInvoice(id) {
        return new Promise((resolve, reject) => {
          axios
            .get(`/api/v1/invoices/${id}`)
            .then((response) => {
              Object.assign(this.newInvoice, response.data.data)
              this.newInvoice.customer = response.data.data.customer
              resolve(response)
            })
            .catch((err) => {
              handleError(err)
              reject(err)
            })
        })
      },

      sendInvoice(data) {
        return new Promise((resolve, reject) => {
          axios
            .post(`/api/v1/invoices/${data.id}/send`, data)
            .then((response) => {
              notificationStore.showNotification({
                type: 'success',
                message: global.t('invoices.invoice_sent_successfully'),
              })
              resolve(response)
            })
            .catch((err) => {
              handleError(err)
              reject(err)
            })
        })
      },

      addInvoice(data) {
        return new Promise((resolve, reject) => {
          axios
            .post('/api/v1/invoices', data)
            .then((response) => {
              this.invoices = [...this.invoices, response.data.invoice]

              notificationStore.showNotification({
                type: 'success',
                message: global.t('invoices.created_message'),
              })

              resolve(response)
            })
            .catch((err) => {
              handleError(err)
              reject(err)
            })
        })
      },

      deleteInvoice(id) {
        return new Promise((resolve, reject) => {
          axios
            .post(`/api/v1/invoices/delete`, id)
            .then((response) => {
              let index = this.invoices.findIndex(
                (invoice) => invoice.id === id
              )
              this.invoices.splice(index, 1)

              notificationStore.showNotification({
                type: 'success',
                message: global.t('invoices.deleted_message', 1),
              })
              resolve(response)
            })
            .catch((err) => {
              handleError(err)
              reject(err)
            })
        })
      },

      deleteMultipleInvoices(id) {
        return new Promise((resolve, reject) => {
          axios
            .post(`/api/v1/invoices/delete`, { ids: this.selectedInvoices })
            .then((response) => {
              this.selectedInvoices.forEach((invoice) => {
                let index = this.invoices.findIndex(
                  (_inv) => _inv.id === invoice.id
                )
                this.invoices.splice(index, 1)
              })
              this.selectedInvoices = []

              notificationStore.showNotification({
                type: 'success',
                message: global.tc('invoices.deleted_message', 2),
              })
              resolve(response)
            })
            .catch((err) => {
              handleError(err)
              reject(err)
            })
        })
      },

      updateInvoice(data) {
        return new Promise((resolve, reject) => {
          axios
            .put(`/api/v1/invoices/${data.id}`, data)
            .then((response) => {
              let pos = this.invoices.findIndex(
                (invoice) => invoice.id === response.data.data.id
              )
              this.invoices[pos] = response.data.data

              notificationStore.showNotification({
                type: 'success',
                message: global.t('invoices.updated_message'),
              })

              resolve(response)
            })
            .catch((err) => {
              handleError(err)
              reject(err)
            })
        })
      },

      cloneInvoice(data) {
        return new Promise((resolve, reject) => {
          axios
            .post(`/api/v1/invoices/${data.id}/clone`, data)
            .then((response) => {
              notificationStore.showNotification({
                type: 'success',
                message: global.t('invoices.cloned_successfully'),
              })
              resolve(response)
            })
            .catch((err) => {
              handleError(err)
              reject(err)
            })
        })
      },

      markAsSent(data) {
        return new Promise((resolve, reject) => {
          axios
            .post(`/api/v1/invoices/${data.id}/status`, data)
            .then((response) => {
              let pos = this.invoices.findIndex(
                (invoices) => invoices.id === data.id
              )

              if (this.invoices[pos]) {
                this.invoices[pos].status = 'SENT'
              }

              notificationStore.showNotification({
                type: 'success',
                message: global.t('invoices.mark_as_sent_successfully'),
              })
              resolve(response)
            })
            .catch((err) => {
              handleError(err)
              reject(err)
            })
        })
      },

      getNextNumber(params, setState = false) {
        return new Promise((resolve, reject) => {
          axios
            .get(`/api/v1/next-number?key=invoice`, { params })
            .then((response) => {
              if (setState) {
                this.newInvoice.invoice_number = response.data.nextNumber
              }
              resolve(response)
            })
            .catch((err) => {
              handleError(err)
              reject(err)
            })
        })
      },

      searchInvoice(data) {
        return new Promise((resolve, reject) => {
          axios
            .get(`/api/v1/invoices?${data}`)
            .then((response) => {
              resolve(response)
            })
            .catch((err) => {
              handleError(err)
              reject(err)
            })
        })
      },

      selectInvoice(data) {
        this.selectedInvoices = data
        if (this.selectedInvoices.length === this.invoices.length) {
          this.selectAllField = true
        } else {
          this.selectAllField = false
        }
      },

      selectAllInvoices() {
        if (this.selectedInvoices.length === this.invoices.length) {
          this.selectedInvoices = []
          this.selectAllField = false
        } else {
          let allInvoiceIds = this.invoices.map((invoice) => invoice.id)
          this.selectedInvoices = allInvoiceIds
          this.selectAllField = true
        }
      },

      selectCustomer(id) {
        return new Promise((resolve, reject) => {
          axios
            .get(`/api/v1/customers/${id}`)
            .then((response) => {
              this.newInvoice.customer = response.data.data
              this.newInvoice.customer_id = response.data.data.id
              resolve(response)
            })
            .catch((err) => {
              handleError(err)
              reject(err)
            })
        })
      },

      fetchInvoiceTemplates(params) {
        return new Promise((resolve, reject) => {
          axios
            .get(`/api/v1/invoices/templates`, { params })
            .then((response) => {
              this.templates = response.data.invoiceTemplates
              resolve(response)
            })
            .catch((err) => {
              handleError(err)
              reject(err)
            })
        })
      },

      selectNote(data) {
        this.newInvoice.selectedNote = null
        this.newInvoice.selectedNote = data
      },

      setTemplate(data) {
        this.newInvoice.template_name = data
      },

      resetSelectedCustomer() {
        this.newInvoice.customer = null
        this.newInvoice.customer_id = null
      },

      addItem() {
        this.newInvoice.items.push({
          ...invoiceItemStub,
          id: Guid.raw(),
          taxes: [{ ...taxStub, id: Guid.raw() }],
        })
      },

      updateItem(data) {
        Object.assign(this.newInvoice.items[data.index], { ...data })
      },

      removeItem(index) {
        this.newInvoice.items.splice(index, 1)
      },

      deselectItem(index) {
        this.newInvoice.items[index] = {
          ...invoiceItemStub,
          id: Guid.raw(),
          taxes: [{ ...taxStub, id: Guid.raw() }],
        }
      },

      resetSelectedNote() {
        this.newInvoice.selectedNote = null
      },

      // On Load actions
      async fetchInvoiceInitialSettings(isEdit) {
        const companyStore = useCompanyStore()
        const customerStore = useCustomerStore()
        const itemStore = useItemStore()
        const taxTypeStore = useTaxTypeStore()
        const route = useRoute()

        this.isFetchingInitialSettings = true

        this.newInvoice.selectedCurrency = companyStore.selectedCompanyCurrency

        if (route.query.customer) {
          let response = await customerStore.fetchCustomer(route.query.customer)
          this.newInvoice.customer = response.data.data
          this.newInvoice.customer_id = response.data.data.id
        }

        let editActions = []

        if (!isEdit) {
          this.newInvoice.tax_per_item =
            companyStore.selectedCompanySettings.tax_per_item
          this.newInvoice.discount_per_item =
            companyStore.selectedCompanySettings.discount_per_item
          this.newInvoice.invoice_date = moment().format('YYYY-MM-DD')
          if (companyStore.selectedCompanySettings.invoice_set_due_date_automatically ==='YES') {
            this.newInvoice.due_date = moment()
              .add(companyStore.selectedCompanySettings.invoice_due_date_days, 'days')
              .format('YYYY-MM-DD')
          } 
        } else {
          editActions = [this.fetchInvoice(route.params.id)]
        }

        Promise.all([
          itemStore.fetchItems({
            filter: {},
            orderByField: '',
            orderBy: '',
          }),
          this.resetSelectedNote(),
          this.fetchInvoiceTemplates(),
          this.getNextNumber(),
          taxTypeStore.fetchTaxTypes({ limit: 'all' }),
          ...editActions,
        ])
          .then(async ([res1, res2, res3, res4, res5, res6]) => {
            if (!isEdit) {
              if (res4.data) {
                this.newInvoice.invoice_number = res4.data.nextNumber
              }

              if (res3.data) {
                this.setTemplate(this.templates[0].name)
              }
            }

            this.isFetchingInitialSettings = false
          })
          .catch((err) => {
            handleError(err)
            reject(err)
          })
      },
    },
  })()
}