import { useEffect } from 'react';
import { useTranslation } from 'react-i18next';
import VersionUpgradeModal from './modals/VersionUpgradeModal';
import { useDeviceSettings } from '../hooks/useDeviceSettings';
import { useVersionCheck } from '../hooks/useVersionCheck';
import { useUiPreferences } from '../hooks/useUiPreferences';
import { useSidebarController } from '../hooks/useSidebarController';
import { useTaskMaster } from '../contexts/TaskMasterContext';
import { useTasksSettings } from '../contexts/TasksSettingsContext';
import SidebarCollapsed from './sidebar/SidebarCollapsed';
import SidebarContent from './sidebar/SidebarContent';
import SidebarModals from './sidebar/SidebarModals';
import type { Project } from '../types/app';
import type { SidebarProjectListProps } from './sidebar/SidebarProjectList';
import type { MCPServerStatus, SidebarProps } from './sidebar/types';

type TaskMasterSidebarContext = {
  setCurrentProject: (project: Project) => void;
  mcpServerStatus: MCPServerStatus;
};

function Sidebar({
  projects,
  selectedProject,
  selectedSession,
  onProjectSelect,
  onSessionSelect,
  onNewSession,
  onSessionDelete,
  onProjectDelete,
  isLoading,
  loadingProgress,
  onRefresh,
  onShowSettings,
  isMobile,
}: SidebarProps) {
  const { t } = useTranslation(['sidebar', 'common']);
  const { isPWA } = useDeviceSettings({ trackMobile: false });
  const { updateAvailable, latestVersion, currentVersion, releaseInfo } = useVersionCheck(
    'siteboon',
    'claudecodeui',
  );
  const { preferences, setPreference } = useUiPreferences();
  const { sidebarVisible } = preferences;
  const { setCurrentProject, mcpServerStatus } = useTaskMaster() as TaskMasterSidebarContext;
  const { tasksEnabled } = useTasksSettings();

  const {
    isSidebarCollapsed,
    expandedProjects,
    editingProject,
    showNewProject,
    editingName,
    loadingSessions,
    initialSessionsLoaded,
    currentTime,
    isRefreshing,
    editingSession,
    editingSessionName,
    searchFilter,
    deletingProjects,
    deleteConfirmation,
    sessionDeleteConfirmation,
    showVersionModal,
    filteredProjects,
    handleTouchClick,
    toggleProject,
    handleSessionClick,
    toggleStarProject,
    isProjectStarred,
    getProjectSessions,
    startEditing,
    cancelEditing,
    saveProjectName,
    showDeleteSessionConfirmation,
    confirmDeleteSession,
    requestProjectDelete,
    confirmDeleteProject,
    loadMoreSessions,
    handleProjectSelect,
    refreshProjects,
    updateSessionSummary,
    collapseSidebar: handleCollapseSidebar,
    expandSidebar: handleExpandSidebar,
    setShowNewProject,
    setEditingName,
    setEditingSession,
    setEditingSessionName,
    setSearchFilter,
    setDeleteConfirmation,
    setSessionDeleteConfirmation,
    setShowVersionModal,
  } = useSidebarController({
    projects,
    selectedProject,
    selectedSession,
    isLoading,
    isMobile,
    t,
    onRefresh,
    onProjectSelect,
    onSessionSelect,
    onSessionDelete,
    onProjectDelete,
    setCurrentProject,
    setSidebarVisible: (visible) => setPreference('sidebarVisible', visible),
    sidebarVisible,
  });

  useEffect(() => {
    if (typeof document === 'undefined') {
      return;
    }

    document.documentElement.classList.toggle('pwa-mode', isPWA);
    document.body.classList.toggle('pwa-mode', isPWA);
  }, [isPWA]);

  const handleProjectCreated = () => {
    if (window.refreshProjects) {
      void window.refreshProjects();
      return;
    }

    window.location.reload();
  };

  const projectListProps: SidebarProjectListProps = {
    projects,
    filteredProjects,
    selectedProject,
    selectedSession,
    isLoading,
    loadingProgress,
    expandedProjects,
    editingProject,
    editingName,
    loadingSessions,
    initialSessionsLoaded,
    currentTime,
    editingSession,
    editingSessionName,
    deletingProjects,
    tasksEnabled,
    mcpServerStatus,
    getProjectSessions,
    isProjectStarred,
    onEditingNameChange: setEditingName,
    onToggleProject: toggleProject,
    onProjectSelect: handleProjectSelect,
    onToggleStarProject: toggleStarProject,
    onStartEditingProject: startEditing,
    onCancelEditingProject: cancelEditing,
    onSaveProjectName: (projectName) => {
      void saveProjectName(projectName);
    },
    onDeleteProject: requestProjectDelete,
    onSessionSelect: handleSessionClick,
    onDeleteSession: showDeleteSessionConfirmation,
    onLoadMoreSessions: (project) => {
      void loadMoreSessions(project);
    },
    onNewSession,
    onEditingSessionNameChange: setEditingSessionName,
    onStartEditingSession: (sessionId, initialName) => {
      setEditingSession(sessionId);
      setEditingSessionName(initialName);
    },
    onCancelEditingSession: () => {
      setEditingSession(null);
      setEditingSessionName('');
    },
    onSaveEditingSession: (projectName, sessionId, summary) => {
      void updateSessionSummary(projectName, sessionId, summary);
    },
    touchHandlerFactory: handleTouchClick,
    t,
  };

  return (
    <>
      {isSidebarCollapsed ? (
        <SidebarCollapsed
          onExpand={handleExpandSidebar}
          onShowSettings={onShowSettings}
          updateAvailable={updateAvailable}
          onShowVersionModal={() => setShowVersionModal(true)}
          t={t}
        />
      ) : (
        <>
          <SidebarModals
            showNewProject={showNewProject}
            onCloseNewProject={() => setShowNewProject(false)}
            onProjectCreated={handleProjectCreated}
            deleteConfirmation={deleteConfirmation}
            onCancelDeleteProject={() => setDeleteConfirmation(null)}
            onConfirmDeleteProject={confirmDeleteProject}
            sessionDeleteConfirmation={sessionDeleteConfirmation}
            onCancelDeleteSession={() => setSessionDeleteConfirmation(null)}
            onConfirmDeleteSession={confirmDeleteSession}
            t={t}
          />

          <SidebarContent
            isPWA={isPWA}
            isMobile={isMobile}
            isLoading={isLoading}
            projects={projects}
            searchFilter={searchFilter}
            onSearchFilterChange={setSearchFilter}
            onClearSearchFilter={() => setSearchFilter('')}
            onRefresh={() => {
              void refreshProjects();
            }}
            isRefreshing={isRefreshing}
            onCreateProject={() => setShowNewProject(true)}
            onCollapseSidebar={handleCollapseSidebar}
            updateAvailable={updateAvailable}
            releaseInfo={releaseInfo}
            latestVersion={latestVersion}
            onShowVersionModal={() => setShowVersionModal(true)}
            onShowSettings={onShowSettings}
            projectListProps={projectListProps}
            t={t}
          />
        </>
      )}

      <VersionUpgradeModal
        isOpen={showVersionModal}
        onClose={() => setShowVersionModal(false)}
        releaseInfo={releaseInfo}
        currentVersion={currentVersion}
        latestVersion={latestVersion}
      />
    </>
  );
}

export default Sidebar;