/**
 * FormView / FormEdit / FormNew ekranlarının ortak sayfa iskeleti.
 *
 * Üç bileşen de aynı düzeni (Helmet + başlık + FormButtons + FormDevExpress +
 * SubForms + NotePanel) satır satır kopyalıyordu. Tek noktadan yönetilir.
 */
import type { ReactNode, RefObject } from 'react'
import { useState } from 'react'
import { Container, Loading } from '@/components/shared'
import { Badge } from '@/components/ui'
import { APP_NAME } from '@/constants/app.constant'
import type { GridDto } from '@/proxy/form/models'
import { useCurrentMenuIcon } from '@/utils/hooks/useCurrentMenuIcon'
import { useLocalization } from '@/utils/hooks/useLocalization'
import { usePermission } from '@/utils/hooks/usePermission'
import type { FormRef } from 'devextreme-react/form'
import type { GroupItem } from 'devextreme/ui/form'
import { Helmet } from 'react-helmet'
import FormDevExpress from '../FormDevExpress'
import SubForms from '../SubForms'
import { NotePanel } from '../notes/NotePanel'
import type { RowMode } from '../types'

type FormPageShellProps = {
  mode: RowMode
  listFormCode: string
  isSubForm?: boolean
  level?: number
  loading: boolean
  gridDto?: GridDto
  formData: any
  formItems: GroupItem[]
  refForm: RefObject<FormRef>
  setFormData: (data: any) => void
  /** Başlığın sağındaki aksiyon butonları (FormButtons). */
  actions?: ReactNode
  /** Not paneli kimliği; verilmezse panel gösterilmez. */
  noteEntityId?: string
  /** Alt form sekmelerini yenileme geri çağrısı. */
  refreshData?: () => Promise<void>
  /** FormNew'de alt form gösterilmez. */
  showSubForms?: boolean
  /** Form gövdesinin sarmalayıcı sınıfı (FormView farklı dolgu kullanır). */
  contentClassName?: string
}

export const FormPageShell = ({
  mode,
  listFormCode,
  isSubForm,
  level,
  loading,
  gridDto,
  formData,
  formItems,
  refForm,
  setFormData,
  actions,
  noteEntityId,
  refreshData,
  showSubForms = true,
  contentClassName = 'px-2',
}: FormPageShellProps) => {
  const { translate } = useLocalization()
  const { checkPermission } = usePermission()
  const MenuIcon = useCurrentMenuIcon('w-5 h-5')
  const [isNotePanelVisible, setIsNotePanelVisible] = useState(false)

  const showNotePanel = Boolean(
    listFormCode &&
      noteEntityId &&
      !isSubForm &&
      gridDto?.gridOptions?.showNote &&
      checkPermission(gridDto?.gridOptions.permissionDto.n),
  )

  if (!listFormCode) {
    return null
  }

  if (loading) {
    return <Loading type="default" loading />
  }

  if (!formData) {
    return <>{translate('::App.NoResults')}</>
  }

  const title = translate('::' + gridDto?.gridOptions.title)

  return (
    <>
      <Container
        className={`${
          isNotePanelVisible && !isSubForm ? 'lg:mr-[375px]' : ''
        } transition-all duration-300`}
      >
        {!isSubForm && (
          <Helmet titleTemplate={`%s | ${APP_NAME}`} title={title} defaultTitle={APP_NAME} />
        )}

        <div
          className={`flex items-center pb-2 px-2 ${isSubForm ? 'justify-end' : 'justify-between'}`}
        >
          <div className="flex items-center gap-2">
            {MenuIcon}
            {!isSubForm && (
              <>
                <h4 className="text-slate-700 text-sm font-medium leading-none">{title}</h4>●
                <Badge content={mode} />
              </>
            )}
          </div>
          {actions}
        </div>

        <div className={contentClassName}>
          <FormDevExpress
            mode={mode}
            refForm={refForm}
            formData={formData}
            formItems={formItems}
            setFormData={setFormData}
            listFormCode={listFormCode}
          />
        </div>

        {showSubForms && gridDto && (
          <SubForms
            gridDto={gridDto}
            formData={formData}
            level={level ?? 0}
            refreshData={refreshData}
          />
        )}
      </Container>

      {/* Not paneli yalnızca ana formda gösterilir. */}
      {showNotePanel && (
        <NotePanel
          entityName={listFormCode}
          entityId={noteEntityId!}
          isVisible={isNotePanelVisible}
          onToggle={() => setIsNotePanelVisible((visible) => !visible)}
        />
      )}
    </>
  )
}