import { useStore } from '@nanostores/react';
import * as RadixDialog from '@radix-ui/react-dialog';
import classNames from 'classnames';
import { AnimatePresence, motion, type Variants } from 'framer-motion';
import { useEffect, useMemo, useState } from 'react';
import { TabTile } from '~/components/@settings/core/TabTile';
import DebugTab from '~/components/@settings/tabs/debug/DebugTab';
import { EventLogsTab } from '~/components/@settings/tabs/event-logs/EventLogsTab';
import NotificationsTab from '~/components/@settings/tabs/notifications/NotificationsTab';
import SettingsTab from '~/components/@settings/tabs/settings/SettingsTab';
import TaskManagerTab from '~/components/@settings/tabs/task-manager/TaskManagerTab';
import BackgroundRays from '~/components/ui/BackgroundRays';
import { useDebugStatus } from '~/lib/hooks/useDebugStatus';
import { useNotifications } from '~/lib/hooks/useNotifications';
import { profileStore } from '~/lib/stores/profile';
import { resetTabConfiguration, tabConfigurationStore } from '~/lib/stores/settings';
import { logger } from '~/utils/logger';
import { AvatarDropdown } from './AvatarDropdown';
import { DEFAULT_TAB_CONFIG, TAB_DESCRIPTIONS } from './constants';
import type { Profile, TabType, TabVisibilityConfig } from './types';

interface ControlPanelProps {
  open: boolean;
  onClose: () => void;
}

interface TabWithDevType extends TabVisibilityConfig {
  isExtraDevTab?: boolean;
}

interface ExtendedTabConfig extends TabVisibilityConfig {
  isExtraDevTab?: boolean;
}

interface BaseTabConfig {
  id: TabType;
  visible: boolean;
  window: 'user' | 'developer';
  order: number;
}

export const ControlPanel = ({ open, onClose }: ControlPanelProps) => {
  // State
  const [activeTab, setActiveTab] = useState<TabType | null>(null);
  const [loadingTab, setLoadingTab] = useState<TabType | null>(null);

  // Store values
  const tabConfiguration = useStore(tabConfigurationStore);
  const profile = useStore(profileStore) as Profile;

  // Status hooks
  const { hasUnreadNotifications, unreadNotifications, markAllAsRead } = useNotifications();
  const { hasActiveWarnings, activeIssues, acknowledgeAllIssues } = useDebugStatus();

  // Memoize the base tab configurations to avoid recalculation
  const baseTabConfig = useMemo(() => {
    return new Map(DEFAULT_TAB_CONFIG.map((tab) => [tab.id, tab]));
  }, []);

  // Add visibleTabs logic using useMemo with optimized calculations
  const visibleTabs = useMemo(() => {
    if (!tabConfiguration?.userTabs || !Array.isArray(tabConfiguration.userTabs)) {
      logger.warn('Invalid tab configuration, resetting to defaults');
      resetTabConfiguration();

      return [];
    }

    const seenTabs = new Set<TabType>();
    const devTabs: ExtendedTabConfig[] = [];

    // Process tabs in order of priority: developer, user, default
    const processTab = (tab: BaseTabConfig) => {
      if (!seenTabs.has(tab.id)) {
        seenTabs.add(tab.id);
        devTabs.push({
          id: tab.id,
          visible: true,
          window: 'developer',
          order: tab.order || devTabs.length,
        });
      }
    };

    // Process tabs in priority order
    tabConfiguration.developerTabs?.forEach((tab) => processTab(tab as BaseTabConfig));
    tabConfiguration.userTabs.forEach((tab) => processTab(tab as BaseTabConfig));
    DEFAULT_TAB_CONFIG.forEach((tab) => processTab(tab as BaseTabConfig));

    return devTabs.sort((a, b) => a.order - b.order);
  }, [tabConfiguration, profile?.preferences?.notifications, baseTabConfig]);

  // Optimize animation performance with layout animations
  const gridLayoutVariants = {
    hidden: { opacity: 0 },
    visible: {
      opacity: 1,
      transition: {
        staggerChildren: 0.05,
        delayChildren: 0.1,
      },
    },
  };

  const itemVariants: Variants = {
    hidden: { opacity: 0, scale: 0.8 },
    visible: {
      opacity: 1,
      scale: 1,
      transition: {
        type: 'spring',
        stiffness: 200,
        damping: 20,
        mass: 0.6,
      },
    },
  };

  // Reset to default view when modal opens/closes
  useEffect(() => {
    if (!open) {
      // Reset when closing
      setActiveTab(null);
      setLoadingTab(null);
    } else {
      // When opening, set to null to show the main view
      setActiveTab(null);
    }
  }, [open]);

  // Handle closing
  const handleClose = () => {
    setActiveTab(null);
    setLoadingTab(null);
    onClose();
  };

  // Handlers
  const handleBack = () => {
    setActiveTab(null);
  };

  const getTabComponent = (tabId: TabType) => {
    switch (tabId) {
      case 'settings':
        return <SettingsTab />;
      case 'notifications':
        return <NotificationsTab />;
      case 'debug':
        return <DebugTab />;
      case 'event-logs':
        return <EventLogsTab />;
      case 'task-manager':
        return <TaskManagerTab />;
      default:
        return null;
    }
  };

  const getTabUpdateStatus = (tabId: TabType): boolean => {
    switch (tabId) {
      case 'notifications':
        return hasUnreadNotifications;
      case 'debug':
        return hasActiveWarnings;
      default:
        return false;
    }
  };

  const getStatusMessage = (tabId: TabType): string => {
    switch (tabId) {
      case 'notifications':
        return `${unreadNotifications.length} unread notification${unreadNotifications.length === 1 ? '' : 's'}`;
      case 'debug': {
        const warnings = activeIssues.filter((i) => i.type === 'warning').length;
        const errors = activeIssues.filter((i) => i.type === 'error').length;

        return `${warnings} warning${warnings === 1 ? '' : 's'}, ${errors} error${errors === 1 ? '' : 's'}`;
      }
      default:
        return '';
    }
  };

  const handleTabClick = (tabId: TabType) => {
    setLoadingTab(tabId);
    setActiveTab(tabId);

    // Acknowledge notifications based on tab
    switch (tabId) {
      case 'notifications':
        markAllAsRead();
        break;
      case 'debug':
        acknowledgeAllIssues();
        break;
    }

    // Clear loading state after a delay
    setTimeout(() => setLoadingTab(null), 500);
  };

  return (
    <RadixDialog.Root open={open}>
      <RadixDialog.Portal>
        <div className="fixed inset-0 flex items-center justify-center z-[100]">
          <RadixDialog.Overlay asChild>
            <motion.div
              className="absolute inset-0 bg-black/70 dark:bg-black/80 backdrop-blur-sm"
              initial={{ opacity: 0 }}
              animate={{ opacity: 1 }}
              exit={{ opacity: 0 }}
              transition={{ duration: 0.2 }}
            />
          </RadixDialog.Overlay>

          <RadixDialog.Content
            aria-describedby={undefined}
            onEscapeKeyDown={handleClose}
            onPointerDownOutside={handleClose}
            className="relative z-[101]"
          >
            <motion.div
              className={classNames(
                'w-[1200px] h-[90vh]',
                'bg-[#FAFAFA] dark:bg-[#0A0A0A]',
                'rounded-2xl shadow-2xl',
                'border border-[#E5E5E5] dark:border-[#1A1A1A]',
                'flex flex-col overflow-hidden',
                'relative',
              )}
              initial={{ opacity: 0, scale: 0.95, y: 20 }}
              animate={{ opacity: 1, scale: 1, y: 0 }}
              exit={{ opacity: 0, scale: 0.95, y: 20 }}
              transition={{ duration: 0.2 }}
            >
              <div className="absolute inset-0 overflow-hidden rounded-2xl">
                <BackgroundRays />
              </div>
              <div className="relative z-10 flex flex-col h-full">
                {/* Header */}
                <div className="flex items-center justify-between px-6 py-4 border-b border-gray-200 dark:border-gray-700">
                  <div className="flex items-center space-x-4">
                    {activeTab && (
                      <button
                        onClick={handleBack}
                        className="flex items-center justify-center size-8 rounded-full bg-transparent hover:bg-purple-500/10 dark:hover:bg-purple-500/20 group transition-all duration-200"
                      >
                        <div className="i-ph:arrow-left size-4 text-gray-500 dark:text-gray-400 group-hover:text-purple-500 transition-colors" />
                      </button>
                    )}
                  </div>

                  <div className="flex items-center gap-6">
                    {/* Avatar and Dropdown */}
                    <div className="border-l border-gray-200 dark:border-gray-800 pl-6">
                      <AvatarDropdown onSelectTab={handleTabClick} />
                    </div>

                    {/* Close Button */}
                    <button
                      onClick={handleClose}
                      className="flex items-center justify-center size-8 rounded-full bg-transparent hover:bg-purple-500/10 dark:hover:bg-purple-500/20 group transition-all duration-200"
                    >
                      <div className="i-ph:x size-4 text-gray-500 dark:text-gray-400 group-hover:text-purple-500 transition-colors" />
                    </button>
                  </div>
                </div>

                {/* Content */}
                <div
                  className={classNames(
                    'flex-1',
                    'overflow-y-auto',
                    'hover:overflow-y-auto',
                    'scrollbar scrollbar-w-2',
                    'scrollbar-track-transparent',
                    'scrollbar-thumb-[#E5E5E5] hover:scrollbar-thumb-[#CCCCCC]',
                    'dark:scrollbar-thumb-[#333333] dark:hover:scrollbar-thumb-[#444444]',
                    'will-change-scroll',
                    'touch-auto',
                  )}
                >
                  <motion.div
                    key={activeTab || 'home'}
                    initial={{ opacity: 0 }}
                    animate={{ opacity: 1 }}
                    exit={{ opacity: 0 }}
                    transition={{ duration: 0.2 }}
                    className="p-6"
                  >
                    {activeTab ? (
                      getTabComponent(activeTab)
                    ) : (
                      <motion.div
                        className="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-4 gap-4 relative"
                        variants={gridLayoutVariants}
                        initial="hidden"
                        animate="visible"
                      >
                        <AnimatePresence mode="popLayout">
                          {(visibleTabs as TabWithDevType[]).map((tab: TabWithDevType) => (
                            <motion.div key={tab.id} layout variants={itemVariants} className="aspect-[1.5/1]">
                              <TabTile
                                tab={tab}
                                onClick={() => handleTabClick(tab.id as TabType)}
                                isActive={activeTab === tab.id}
                                hasUpdate={getTabUpdateStatus(tab.id)}
                                statusMessage={getStatusMessage(tab.id)}
                                description={TAB_DESCRIPTIONS[tab.id]}
                                isLoading={loadingTab === tab.id}
                                className="h-full relative"
                              ></TabTile>
                            </motion.div>
                          ))}
                        </AnimatePresence>
                      </motion.div>
                    )}
                  </motion.div>
                </div>
              </div>
            </motion.div>
          </RadixDialog.Content>
        </div>
      </RadixDialog.Portal>
    </RadixDialog.Root>
  );
};