import { useQueryClient } from '@tanstack/react-query'
import {
  NewPaymentMethodElement,
  type PaymentMethodElementRef,
} from 'components/interfaces/Billing/Payment/PaymentMethods/NewPaymentMethodElement'
import { organizationKeys } from 'data/organizations/keys'
import { useOrganizationCustomerProfileQuery } from 'data/organizations/organization-customer-profile-query'
import { useOrganizationCustomerProfileUpdateMutation } from 'data/organizations/organization-customer-profile-update-mutation'
import { useOrganizationPaymentMethodMarkAsDefaultMutation } from 'data/organizations/organization-payment-method-default-mutation'
import { useOrganizationTaxIdQuery } from 'data/organizations/organization-tax-id-query'
import { useOrganizationTaxIdUpdateMutation } from 'data/organizations/organization-tax-id-update-mutation'
import { useSelectedOrganizationQuery } from 'hooks/misc/useSelectedOrganization'
import { isEqual } from 'lodash'
import { useRef, useState } from 'react'
import { toast } from 'sonner'
import { Button, Checkbox_Shadcn_, Label_Shadcn_, Modal } from 'ui'
import { ShimmeringLoader } from 'ui-patterns/ShimmeringLoader'

interface AddPaymentMethodFormProps {
  returnUrl: string
  onCancel: () => void
  onConfirm: () => void
}

// Stripe docs recommend to use the new SetupIntent flow over
// manually creating and attaching payment methods via the API
// Small UX annoyance here, that the page will be refreshed

const AddPaymentMethodForm = ({ onCancel, onConfirm }: AddPaymentMethodFormProps) => {
  const { data: selectedOrganization } = useSelectedOrganizationQuery()

  const { data: customerProfile, isPending: customerProfileLoading } =
    useOrganizationCustomerProfileQuery({
      slug: selectedOrganization?.slug,
    })

  const [isSaving, setIsSaving] = useState(false)
  const [isDefaultPaymentMethod, setIsDefaultPaymentMethod] = useState(true)
  const [isPrimaryBillingAddress, setIsPrimaryBillingAddress] = useState(true)

  const queryClient = useQueryClient()
  const { mutateAsync: markAsDefault } = useOrganizationPaymentMethodMarkAsDefaultMutation()
  const { mutateAsync: updateCustomerProfile } = useOrganizationCustomerProfileUpdateMutation()
  const { mutateAsync: updateTaxId } = useOrganizationTaxIdUpdateMutation()
  const { data: taxId, isPending: isCustomerTaxIdLoading } = useOrganizationTaxIdQuery({
    slug: selectedOrganization?.slug,
  })

  const paymentRef = useRef<PaymentMethodElementRef | null>(null)

  const handleSubmit = async (event: any) => {
    event.preventDefault()

    setIsSaving(true)

    if (document !== undefined) {
      // [Joshen] This is to ensure that any 3DS popup from Stripe remains clickable
      document.body.classList.add('!pointer-events-auto')
    }

    const result = await paymentRef.current?.confirmSetup()

    if (!result) {
      setIsSaving(false)
    } else {
      if (
        isDefaultPaymentMethod &&
        selectedOrganization &&
        typeof result.setupIntent?.payment_method === 'string'
      ) {
        try {
          await markAsDefault({
            slug: selectedOrganization.slug,
            paymentMethodId: result.setupIntent.payment_method,
          })

          await queryClient.invalidateQueries({
            queryKey: organizationKeys.paymentMethods(selectedOrganization.slug),
          })

          queryClient.setQueriesData(
            { queryKey: organizationKeys.paymentMethods(selectedOrganization.slug) },
            (prev: any) => {
              if (!prev) return prev
              return {
                ...prev,
                defaultPaymentMethodId: result.setupIntent.payment_method,
                data: prev.data.map((pm: any) => ({
                  ...pm,
                  is_default: pm.id === result.setupIntent.payment_method,
                })),
              }
            }
          )
        } catch (error) {
          toast.error('Failed to set payment method as default')
        }
      } else {
        if (selectedOrganization) {
          await queryClient.invalidateQueries({
            queryKey: organizationKeys.paymentMethods(selectedOrganization.slug),
          })
        }
      }

      if (isPrimaryBillingAddress) {
        try {
          if (
            result.address &&
            (!isEqual(result.address, customerProfile?.address) ||
              customerProfile?.billing_name !== result.customerName)
          ) {
            await updateCustomerProfile({
              slug: selectedOrganization?.slug,
              billing_name: result.customerName,
              address: result.address,
            })
          }

          if (result.taxId && !isEqual(result.taxId, taxId)) {
            await updateTaxId({ taxId: result.taxId, slug: selectedOrganization?.slug })
          }
        } catch (error) {
          toast.error('Failed to update billing address')
        }
      }

      setIsSaving(false)
      onConfirm()
    }

    if (document !== undefined) {
      document.body.classList.remove('!pointer-events-auto')
    }
  }

  if (customerProfileLoading || isCustomerTaxIdLoading) {
    return (
      <Modal.Content>
        <div className="space-y-2">
          <ShimmeringLoader />
          <ShimmeringLoader className="w-3/4" />
          <ShimmeringLoader className="w-1/2" />
          <ShimmeringLoader />
          <ShimmeringLoader />
          <ShimmeringLoader />
        </div>
      </Modal.Content>
    )
  }

  return (
    <div>
      <Modal.Content
        className={`transition ${isSaving ? 'pointer-events-none opacity-75' : 'opacity-100'}`}
      >
        <NewPaymentMethodElement
          readOnly={isSaving}
          email={selectedOrganization?.billing_email}
          currentAddress={customerProfile?.address}
          customerName={customerProfile?.billing_name}
          currentTaxId={taxId}
          ref={paymentRef}
        />

        <div className="flex items-center gap-x-2 mt-4 mb-2">
          <Checkbox_Shadcn_
            id="save-as-default"
            checked={isDefaultPaymentMethod}
            onCheckedChange={(checked) => {
              if (typeof checked === 'boolean') {
                setIsDefaultPaymentMethod(checked)
              }
            }}
          />
          <Label_Shadcn_ htmlFor="save-as-default" className="text-foreground-light">
            Save as default payment method
          </Label_Shadcn_>
        </div>

        <div className="flex items-center gap-x-2 mt-4 mb-2">
          <Checkbox_Shadcn_
            id="is-primary-billing-address"
            checked={isPrimaryBillingAddress}
            onCheckedChange={(checked) => {
              if (typeof checked === 'boolean') {
                setIsPrimaryBillingAddress(checked)
              }
            }}
          />
          <Label_Shadcn_ htmlFor="is-primary-billing-address" className="text-foreground-light">
            Use the billing address as my organization's primary address
          </Label_Shadcn_>
        </div>
      </Modal.Content>
      <Modal.Separator />
      <Modal.Content className="flex items-center space-x-2">
        <Button
          htmlType="button"
          size="small"
          type="default"
          onClick={onCancel}
          block
          disabled={isSaving}
        >
          Cancel
        </Button>
        <Button
          block
          htmlType="button"
          size="small"
          type="primary"
          loading={isSaving}
          disabled={isSaving}
          onClick={handleSubmit}
        >
          Add payment method
        </Button>
      </Modal.Content>
    </div>
  )
}

export default AddPaymentMethodForm