import { useMemo, useState } from 'react';

import type { Character, CustomWorldProfile } from '../../types';
import {
  CustomWorldEntityCatalog,
  type ResultTab,
} from '../CustomWorldEntityCatalog';
import RpgCreationEntityEditorModal from '../rpg-creation-editor/RpgCreationEntityEditorModal';
import RpgCreationAssetDebugPanel, {
  shouldEnableRpgCreationAssetDebugPanel,
} from './RpgCreationAssetDebugPanel';
import RpgCreationResultActionBar from './RpgCreationResultActionBar';
import RpgCreationResultHeader from './RpgCreationResultHeader';
import { useRpgCreationResultActions } from './useRpgCreationResultActions';
import type { EntityGenerationKind } from './useRpgCreationResultActions';

export interface RpgCreationResultViewProps {
  profile: CustomWorldProfile;
  previewCharacters: Character[];
  isGenerating: boolean;
  progress: number;
  progressLabel: string;
  error: string | null;
  onBack: () => void;
  onEditSetting?: () => void;
  onRegenerate?: () => void;
  onContinueExpand?: () => void;
  onEnterWorld?: () => void;
  onDeleteEntities?: (kind: 'story' | 'landmark', ids: string[]) => Promise<void> | void;
  onGenerateEntity?:
    | ((kind: EntityGenerationKind) => Promise<{ profile?: CustomWorldProfile | null } | void> | { profile?: CustomWorldProfile | null } | void)
    | undefined;
  onGenerateRoleAssets?: (roleId: string) => Promise<void> | void;
  onGenerateSceneAssets?: (sceneId: string, sceneKind: 'camp' | 'landmark') => Promise<void> | void;
  onProfileChange: (profile: CustomWorldProfile) => void;
  readOnly?: boolean;
  backLabel?: string;
  editActionLabel?: string;
  regenerateActionLabel?: string;
  enterWorldActionLabel?: string;
  autoSaveState?: 'idle' | 'saving' | 'saved' | 'error';
  compactAgentResultMode?: boolean;
  publishReady?: boolean;
  publishBlockers?: string[];
  qualityFindings?: Array<{
    id: string;
    severity: 'info' | 'warning' | 'blocker';
    code: string;
    targetId?: string | null;
    message: string;
  }>;
  previewSourceLabel?: string | null;
}

export function RpgCreationResultView({
  profile,
  previewCharacters,
  isGenerating,
  progress,
  progressLabel,
  error,
  onBack,
  onEditSetting,
  onRegenerate: triggerRegenerate,
  onContinueExpand,
  onDeleteEntities,
  onEnterWorld,
  onGenerateEntity,
  onGenerateRoleAssets,
  onGenerateSceneAssets,
  onProfileChange,
  readOnly = false,
  backLabel = '返回',
  editActionLabel = '修改设定',
  regenerateActionLabel = '重新生成',
  enterWorldActionLabel = '进入世界',
  autoSaveState = 'idle',
  compactAgentResultMode = false,
  publishReady = true,
  publishBlockers = [],
  qualityFindings = [],
}: RpgCreationResultViewProps) {
  const [activeTab, setActiveTab] = useState<ResultTab>('world');
  const assetDebugEnabled = useMemo(
    () => shouldEnableRpgCreationAssetDebugPanel(),
    [],
  );
  const {
    closeEditorTarget,
    createLabel,
    createTarget,
    editorTarget,
    handleDeleteLandmarks,
    handleDeleteStoryNpcs,
    handleGenerateEntity,
    handleRegenerate,
    localGenerationError,
    pendingGeneratedEntity,
    recentGeneratedIds,
    setEditorTarget,
  } = useRpgCreationResultActions({
    activeTab,
    agentEntityGenerator: onGenerateEntity
      ? async (kind) => {
          return onGenerateEntity(kind);
        }
      : undefined,
    isGenerating,
    onProfileChange,
    profile,
    readOnly,
    triggerRegenerate,
  });

  const deleteStoryNpcs = onDeleteEntities
    ? (ids: string[]) => {
        void onDeleteEntities('story', ids);
      }
    : handleDeleteStoryNpcs;
  const deleteLandmarks = onDeleteEntities
    ? (ids: string[]) => {
        void onDeleteEntities('landmark', ids);
      }
    : handleDeleteLandmarks;

  return (
    <div className="platform-remap-surface flex h-full min-h-0 flex-col">
      <RpgCreationResultHeader
        autoSaveState={autoSaveState}
        backLabel={backLabel}
        isGenerating={isGenerating}
        onBack={onBack}
      />

      <div className="min-h-0 flex-1 overflow-hidden">
        <CustomWorldEntityCatalog
          profile={profile}
          previewCharacters={previewCharacters}
          activeTab={activeTab}
          onActiveTabChange={setActiveTab}
          onEditTarget={setEditorTarget}
          onProfileChange={onProfileChange}
          onDeleteStoryNpcs={deleteStoryNpcs}
          onDeleteLandmarks={deleteLandmarks}
          onGenerateRoleAssets={onGenerateRoleAssets ? (roleId) => { void onGenerateRoleAssets(roleId); } : undefined}
          onGenerateSceneAssets={onGenerateSceneAssets ? (sceneId, sceneKind) => { void onGenerateSceneAssets(sceneId, sceneKind); } : undefined}
          createActionLabel={
            readOnly || (compactAgentResultMode && !onGenerateEntity)
              ? undefined
              : createLabel
          }
          onCreateAction={
            readOnly || (compactAgentResultMode && !onGenerateEntity) || !createTarget
              ? undefined
              : () => {
                  if (activeTab === 'playable') {
                    void handleGenerateEntity('playable');
                    return;
                  }
                  if (activeTab === 'story') {
                    void handleGenerateEntity('story');
                    return;
                  }
                  if (activeTab === 'landmarks') {
                    void handleGenerateEntity('landmark');
                    return;
                  }
                  setEditorTarget(createTarget);
                }
          }
          createActionDisabled={Boolean(
            isGenerating || pendingGeneratedEntity,
          )}
          pendingGeneratedEntity={pendingGeneratedEntity}
          recentGeneratedIds={recentGeneratedIds}
          readOnly={readOnly}
        />
      </div>

      {isGenerating && (
        <div className="platform-banner platform-banner--info mt-3 rounded-2xl px-4 py-4">
          <div className="flex items-center justify-between gap-3">
            <div className="text-sm font-semibold text-[var(--platform-text-strong)]">
              {progressLabel}
            </div>
            <div className="text-xs text-[var(--platform-text-base)]">
              {Math.round(progress)}%
            </div>
          </div>
          <div className="platform-progress-track mt-3 h-3 overflow-hidden rounded-full">
            <div
              className="h-full bg-[linear-gradient(90deg,#ff4f8b_0%,#ff8a73_48%,#ffd2a6_100%)] transition-[width] duration-300"
              style={{ width: `${Math.max(0, Math.min(100, progress))}%` }}
            />
          </div>
        </div>
      )}

      {error ? (
        <div className="platform-banner platform-banner--danger mt-3 rounded-2xl text-sm leading-6">
          {error}
        </div>
      ) : null}
      {!error &&
      compactAgentResultMode &&
      publishBlockers.length <= 0 &&
      qualityFindings.some((entry) => entry.severity === 'warning') ? (
        <div className="platform-banner platform-banner--info mt-3 rounded-2xl text-sm leading-6">
          发布后仍有 {qualityFindings.filter((entry) => entry.severity === 'warning').length} 条 warning 可继续优化。
        </div>
      ) : null}
      {!error && localGenerationError ? (
        <div className="platform-banner platform-banner--danger mt-3 rounded-2xl text-sm leading-6">
          {localGenerationError}
        </div>
      ) : null}
      {assetDebugEnabled ? <RpgCreationAssetDebugPanel profile={profile} /> : null}

      <RpgCreationResultActionBar
        editActionLabel={editActionLabel}
        enterWorldActionLabel={enterWorldActionLabel}
        isGenerating={isGenerating}
        onContinueExpand={onContinueExpand}
        onEditSetting={onEditSetting}
        onEnterWorld={onEnterWorld}
        onRegenerate={triggerRegenerate ? handleRegenerate : undefined}
        profile={profile}
        regenerateActionLabel={regenerateActionLabel}
        publishReady={publishReady}
        publishBlockers={publishBlockers}
      />

      <RpgCreationEntityEditorModal
        profile={profile}
        target={editorTarget}
        onClose={closeEditorTarget}
        onProfileChange={onProfileChange}
      />
    </div>
  );
}