<template>
  <form @submit.prevent="submitForm">
    <h6 class="text-gray-900 text-lg font-medium">
      {{ $t('settings.customization.invoices.due_date') }}
    </h6>
    <p class="mt-1 text-sm text-gray-500 mb-2">
      {{ $t('settings.customization.invoices.due_date_description') }}
    </p>

    <BaseSwitchSection
      v-model="dueDateAutoField"
      :title="$t('settings.customization.invoices.set_due_date_automatically')"
      :description="
        $t(
          'settings.customization.invoices.set_due_date_automatically_description'
        )
      "
    />

    <BaseInputGroup
      v-if="dueDateAutoField"
      :label="$t('settings.customization.invoices.due_date_days')"
      :error="
        v$.dueDateSettings.invoice_due_date_days.$error &&
        v$.dueDateSettings.invoice_due_date_days.$errors[0].$message
      "
      class="mt-2 mb-4"
    >
      <div class="w-full sm:w-1/2 md:w-1/4 lg:w-1/5">
        <BaseInput
          v-model="dueDateSettings.invoice_due_date_days"
          :invalid="v$.dueDateSettings.invoice_due_date_days.$error"
          type="number"
          @input="v$.dueDateSettings.invoice_due_date_days.$touch()"
        />
      </div>
    </BaseInputGroup>

    <BaseButton
      :loading="isSaving"
      :disabled="isSaving"
      variant="primary"
      type="submit"
      class="mt-4"
    >
      <template #left="slotProps">
        <BaseIcon v-if="!isSaving" :class="slotProps.class" name="ArrowDownOnSquareIcon" />
      </template>
      {{ $t('settings.customization.save') }}
    </BaseButton>
  </form>
</template>

<script setup>
import { ref, computed, onMounted, reactive, inject } from 'vue'
import { useI18n } from 'vue-i18n'
import { useCompanyStore } from '@/scripts/admin/stores/company'
import { numeric, helpers, requiredIf } from '@vuelidate/validators'

import useVuelidate from '@vuelidate/core'

const { t } = useI18n()
const companyStore = useCompanyStore()

const utils = inject('utils')

let isSaving = ref(false)

const dueDateSettings = reactive({
  invoice_set_due_date_automatically: null,
  invoice_due_date_days: null,
})

utils.mergeSettings(dueDateSettings, {
  ...companyStore.selectedCompanySettings,
})

const dueDateAutoField = computed({
  get: () => {
    return dueDateSettings.invoice_set_due_date_automatically === 'YES'
  },
  set: async (newValue) => {
    const value = newValue ? 'YES' : 'NO'

    dueDateSettings.invoice_set_due_date_automatically = value
  },
})

const rules = computed(() => {
  return {
    dueDateSettings: {
      invoice_due_date_days: {
        required: helpers.withMessage(
          t('validation.required'),
          requiredIf(dueDateAutoField.value)
        ),
        numeric: helpers.withMessage(t('validation.numbers_only'), numeric),
      },
    },
  }
})

const v$ = useVuelidate(rules, { dueDateSettings })

async function submitForm() {
  v$.value.dueDateSettings.$touch()

  if (v$.value.dueDateSettings.$invalid) {
    return false
  }

  isSaving.value = true

  let data = {
    settings: {
      ...dueDateSettings,
    },
  }
  // Don't pass due_date_days if setting is not enabled

  if (!dueDateAutoField.value) {
    delete data.settings.invoice_due_date_days
  }

  await companyStore.updateCompanySettings({
    data,
    message: 'settings.customization.invoices.invoice_settings_updated',
  })

  isSaving.value = false

  return true
}
</script>
