import {
  type CSSProperties,
  type Dispatch,
  type ReactNode,
  type RefObject,
  type SetStateAction,
} from 'react';

import { ImageCanvasBasicGenerationComposerView } from './ImageCanvasBasicGenerationComposerView';
import type {
  GenerateDialogState,
  QuickEditPanelState,
  UploadTarget,
} from './ImageCanvasEditorTypes';
import {
  QUICK_EDIT_REFERENCE_LIMIT,
  resolveExtraImageReferenceLimit,
} from './ImageCanvasGenerationModel';

export type ImageCanvasQuickEditPanelViewProps = {
  panel: QuickEditPanelState;
  style: CSSProperties;
  referenceButtonRef?: RefObject<HTMLButtonElement | null>;
  isReferenceMenuOpen?: boolean;
  setIsReferenceMenuOpen?: Dispatch<SetStateAction<boolean>>;
  setIsPickingQuickEditReferenceFromCanvas?: Dispatch<SetStateAction<boolean>>;
  setQuickEditPanel: Dispatch<SetStateAction<QuickEditPanelState | null>>;
  renderEditorPortal?: (node: ReactNode) => ReactNode;
  buildPortalMenuStyle?: (
    anchor: HTMLElement | null,
    placement: 'above' | 'below',
  ) => CSSProperties;
  onRequestUpload?: (target: UploadTarget) => void;
  onRememberImageModel?: (model: string) => void;
  hasPendingImageReferenceUploads?: boolean;
  onSubmit: () => void;
};

function resetFailedPanelStatus<
  T extends { status: string; errorMessage?: string },
>(panel: T) {
  return {
    ...panel,
    status: panel.status === 'failed' ? 'idle' : panel.status,
    errorMessage: panel.status === 'failed' ? undefined : panel.errorMessage,
  };
}

function createQuickEditDialog(
  panel: QuickEditPanelState,
): GenerateDialogState {
  return {
    mode: 'quick-edit',
    prompt: panel.prompt,
    status: panel.status,
    errorMessage: panel.errorMessage,
    sourceLayerId: panel.sourceLayerId,
    generationReferences: panel.quickEditReferences,
    assetLabel: panel.assetLabel,
    imageModel: panel.model,
    aspectRatio: panel.aspectRatio,
    imageSize: panel.imageSize,
  };
}

function syncPanelFromDialogUpdate(
  panel: QuickEditPanelState,
  dialog: GenerateDialogState,
) {
  const normalizedPanel = resetFailedPanelStatus(panel);
  const normalizedDialog = resetFailedPanelStatus(dialog);
  return {
    ...normalizedPanel,
    size: panel.size,
    prompt: dialog.prompt,
    aspectRatio:
      normalizedDialog.aspectRatio ?? normalizedPanel.aspectRatio ?? '1:1',
    imageSize: normalizedDialog.imageSize ?? normalizedPanel.imageSize ?? '1K',
    model: normalizedDialog.imageModel ?? normalizedPanel.model,
    quickEditReferences: normalizedDialog.generationReferences,
    assetLabel: normalizedDialog.assetLabel,
    // 中文注释：dialog 由 createQuickEditDialog 从面板自身派生，组合器只会做
    // failed→idle 的重置，不会写入 'pending-confirmation' 这类完美像素专属状态。
    // 因此归一化后的 dialog 状态恒等于归一化后的面板状态，直接取面板侧即可，
    // 也让面板的三态联合类型不必在这里做运行时收窄。
    status: normalizedPanel.status,
    errorMessage: normalizedDialog.errorMessage,
  };
}

export function ImageCanvasQuickEditPanelView({
  panel,
  style,
  referenceButtonRef,
  isReferenceMenuOpen = false,
  setIsReferenceMenuOpen,
  setIsPickingQuickEditReferenceFromCanvas,
  setQuickEditPanel,
  renderEditorPortal = (node) => node,
  buildPortalMenuStyle = () => ({}),
  onRequestUpload,
  onRememberImageModel = () => {},
  hasPendingImageReferenceUploads = false,
  onSubmit,
}: ImageCanvasQuickEditPanelViewProps) {
  const referenceCount = panel.quickEditReferences?.length ?? 0;
  const canAddReferences =
    referenceCount <
    resolveExtraImageReferenceLimit(panel.model, QUICK_EDIT_REFERENCE_LIMIT, 1);
  const quickEditDialog = createQuickEditDialog(panel);

  return (
    <ImageCanvasBasicGenerationComposerView
      dialog={quickEditDialog}
      style={style}
      setGenerateDialog={(valueOrUpdater) => {
        setQuickEditPanel((currentPanel) => {
          if (!currentPanel) {
            return currentPanel;
          }
          const currentDialog = createQuickEditDialog(currentPanel);
          const nextDialog =
            typeof valueOrUpdater === 'function'
              ? valueOrUpdater(currentDialog)
              : valueOrUpdater;
          if (!nextDialog) {
            return currentPanel;
          }
          return syncPanelFromDialogUpdate(currentPanel, nextDialog);
        });
      }}
      generationReferenceButtonRef={referenceButtonRef}
      isGenerationReferenceMenuOpen={isReferenceMenuOpen}
      setIsGenerationReferenceMenuOpen={setIsReferenceMenuOpen}
      setIsPickingGenerationReferenceFromCanvas={
        setIsPickingQuickEditReferenceFromCanvas
      }
      onRequestUpload={onRequestUpload ?? (() => {})}
      onPickReferenceFromCanvas={() =>
        setIsPickingQuickEditReferenceFromCanvas?.(true)
      }
      onToggleReferenceMenu={() => setIsReferenceMenuOpen?.((open) => !open)}
      onRememberImageModel={onRememberImageModel}
      hasPendingImageReferenceUploads={hasPendingImageReferenceUploads}
      onSubmit={onSubmit}
      dialogLabel="快速编辑图片"
      includeDimensions={true}
      includeModel={true}
      includeReferences={false}
      promptLabel="快速编辑提示词"
      promptPlaceholder="你希望素材如何修改？"
      optionLabelPrefix="快速编辑"
      dimensionRatioAriaLabelPrefix="比例"
      dimensionSizeAriaLabelPrefix="尺寸"
      referenceUploadTarget="quick-edit-reference"
      referenceButtonLabel="添加快速编辑参考图"
      referenceButtonAriaLabel="添加快速编辑参考图"
      referenceMenuLabel="快速编辑参考图来源"
      referenceSlotTone="quick-edit"
      referenceSlotDisabled={!canAddReferences}
      showReferenceAddButton={false}
      referenceLabelFormatter={(_, index) => `图${index + 1}`}
      referenceAriaLabelFormatter={(_, index) => `图${index + 1}`}
      referenceRemoveLabelFormatter={(_, index) => `删除图${index + 1}`}
      panelClassName="image-canvas-editor__quick-edit-panel image-canvas-editor__generation-composer image-canvas-editor__generation-composer--image image-canvas-editor__generation-composer--quick-edit"
      footerClassName="image-canvas-editor__generation-composer-footer image-canvas-editor__quick-edit-footer"
      promptClassName="image-canvas-editor__generation-prompt image-canvas-editor__quick-edit-prompt"
      referenceSlotClassName="image-canvas-editor__quick-edit-reference"
      submitButtonClassName="image-canvas-editor__generation-submit image-canvas-editor__quick-edit-submit"
      submitLabel="修改"
      submitAriaLabel="修改"
      submittingStatusLabel="修改中"
      renderEditorPortal={renderEditorPortal}
      buildPortalMenuStyle={buildPortalMenuStyle}
    />
  );
}