/**
 * Content Calendar Page
 * Shows scheduled content for publishing to external site
 * Allows reordering, pausing, and viewing calendar with drag-drop support
 * Site selector in app header (inherited from layout)
 * 
 * Content Statuses:
 * - status: 'draft' | 'review' | 'approved' | 'published' (content workflow status)
 * - site_status: 'not_published' | 'scheduled' | 'publishing' | 'published' | 'failed' (publishing status)
 */
import React, { useState, useEffect, useCallback, useMemo } from 'react';
import { useNavigate } from 'react-router-dom';
import PageMeta from '../../components/common/PageMeta';
import PageHeader from '../../components/common/PageHeader';
import ComponentCard from '../../components/common/ComponentCard';
import { Card } from '../../components/ui/card';
import Button from '../../components/ui/button/Button';
import IconButton from '../../components/ui/button/IconButton';
import { ButtonGroup, ButtonGroupItem } from '../../components/ui/button-group/ButtonGroup';
import { useToast } from '../../components/ui/toast/ToastContainer';
import { CalendarItemTooltip } from '../../components/ui/tooltip';
import { useSiteStore } from '../../store/siteStore';
import { fetchContent, Content, fetchAPI } from '../../services/api';
import {
  ClockIcon,
  CheckCircleIcon,
  ArrowRightIcon,
  CalendarIcon,
  ListIcon,
  TrashBinIcon,
  EyeIcon,
  PencilIcon,
  FileTextIcon,
} from '../../icons';

type ViewMode = 'list' | 'calendar';

// API function to schedule content
async function scheduleContent(contentId: number, scheduledDate: string): Promise<Content> {
  return fetchAPI(`/v1/writer/content/${contentId}/schedule/`, {
    method: 'POST',
    body: JSON.stringify({ scheduled_publish_at: scheduledDate }),
  });
}

// API function to unschedule content  
async function unscheduleContent(contentId: number): Promise<Content> {
  return fetchAPI(`/v1/writer/content/${contentId}/unschedule/`, {
    method: 'POST',
  });
}

export default function ContentCalendar() {
  const navigate = useNavigate();
  const toast = useToast();
  const { activeSite } = useSiteStore();
  
  const [loading, setLoading] = useState(true);
  const [allContent, setAllContent] = useState<Content[]>([]);
  const [viewMode, setViewMode] = useState<ViewMode>('calendar'); // Default to calendar view
  const [draggedItem, setDraggedItem] = useState<Content | null>(null);

  // Derived state: Queue items (scheduled or publishing - future dates only for queue)
  const queueItems = useMemo(() => {
    return allContent
      .filter((c: Content) => c.site_status === 'scheduled' || c.site_status === 'publishing')
      .sort((a: Content, b: Content) => {
        const dateA = a.scheduled_publish_at ? new Date(a.scheduled_publish_at).getTime() : 0;
        const dateB = b.scheduled_publish_at ? new Date(b.scheduled_publish_at).getTime() : 0;
        return dateA - dateB;
      });
  }, [allContent]);

  // Derived state: Published items (site_status = 'published')
  const publishedItems = useMemo(() => {
    return allContent.filter((c: Content) => c.site_status === 'published');
  }, [allContent]);

  // Derived state: Approved items for sidebar (approved but not scheduled/publishing/published)
  const approvedItems = useMemo(() => {
    return allContent.filter(
      (c: Content) => 
        c.status === 'approved' && 
        c.site_status !== 'scheduled' && 
        c.site_status !== 'publishing' &&
        c.site_status !== 'published'
    );
  }, [allContent]);

  // Calculate stats from allContent
  const stats = useMemo(() => {
    const now = new Date();
    const thirtyDaysAgo = new Date(now.getTime() - 30 * 24 * 60 * 60 * 1000);
    const thirtyDaysFromNow = new Date(now.getTime() + 30 * 24 * 60 * 60 * 1000);
    
    // Published in last 30 days
    const publishedLast30Days = allContent.filter((c: Content) => {
      if (c.site_status !== 'published') return false;
      const publishDate = c.site_status_updated_at ? new Date(c.site_status_updated_at) : null;
      return publishDate && publishDate >= thirtyDaysAgo;
    }).length;
    
    // Scheduled in next 30 days
    const scheduledNext30Days = allContent.filter((c: Content) => {
      if (c.site_status !== 'scheduled') return false;
      const schedDate = c.scheduled_publish_at ? new Date(c.scheduled_publish_at) : null;
      return schedDate && schedDate >= now && schedDate <= thirtyDaysFromNow;
    }).length;
    
    return {
      scheduled: allContent.filter((c: Content) => c.site_status === 'scheduled').length,
      publishing: allContent.filter((c: Content) => c.site_status === 'publishing').length,
      published: allContent.filter((c: Content) => c.site_status === 'published').length,
      review: allContent.filter((c: Content) => c.status === 'review').length,
      approved: allContent.filter((c: Content) => c.status === 'approved' && c.site_status !== 'published').length,
      publishedLast30Days,
      scheduledNext30Days,
    };
  }, [allContent]);

  const loadQueue = useCallback(async () => {
    if (!activeSite?.id) return;
    
    try {
      setLoading(true);
      
      // Fetch all content for this site
      const response = await fetchContent({
        site_id: activeSite.id,
        page_size: 200,
      });
      
      setAllContent(response.results || []);
    } catch (error: any) {
      toast.error(`Failed to load content: ${error.message}`);
    } finally {
      setLoading(false);
    }
  }, [activeSite?.id, toast]);

  useEffect(() => {
    if (activeSite?.id) {
      loadQueue();
    }
  }, [activeSite?.id, loadQueue]);

  // Drag and drop handlers for list view
  const handleDragStart = (e: React.DragEvent, item: Content, source: 'queue' | 'approved') => {
    setDraggedItem(item);
    e.dataTransfer.effectAllowed = 'move';
    e.dataTransfer.setData('source', source);
  };

  const handleDragOver = (e: React.DragEvent) => {
    e.preventDefault();
    e.dataTransfer.dropEffect = 'move';
  };

  const handleDropOnList = async (e: React.DragEvent, targetItem: Content) => {
    e.preventDefault();
    if (!draggedItem || draggedItem.id === targetItem.id) return;

    // If from approved, schedule it
    const fromApproved = approvedItems.some(i => i.id === draggedItem.id);
    
    if (fromApproved) {
      try {
        // Schedule for tomorrow by default when dropping on list
        const tomorrow = new Date();
        tomorrow.setDate(tomorrow.getDate() + 1);
        tomorrow.setHours(9, 0, 0, 0);
        
        await scheduleContent(draggedItem.id, tomorrow.toISOString());
        toast.success(`Scheduled for ${tomorrow.toLocaleDateString()}`);
        loadQueue(); // Reload to get updated data
      } catch (error: any) {
        toast.error(`Failed to schedule: ${error.message}`);
      }
    }
    
    setDraggedItem(null);
  };

  // Calendar drag and drop
  const handleDropOnCalendarDate = async (e: React.DragEvent, date: Date) => {
    e.preventDefault();
    if (!draggedItem) return;

    // Set the scheduled time to 9 AM on the target date
    const newDate = new Date(date);
    newDate.setHours(9, 0, 0, 0);

    try {
      await scheduleContent(draggedItem.id, newDate.toISOString());
      toast.success(`Scheduled for ${newDate.toLocaleDateString()}`);
      loadQueue(); // Reload to get updated data from server
    } catch (error: any) {
      toast.error(`Failed to schedule: ${error.message}`);
    }

    setDraggedItem(null);
  };

  const handleDragEnd = () => {
    setDraggedItem(null);
  };

  const handleRemoveFromQueue = async (item: Content) => {
    try {
      await unscheduleContent(item.id);
      toast.success('Removed from queue');
      loadQueue(); // Reload to get updated data
    } catch (error: any) {
      toast.error(`Failed to remove: ${error.message}`);
    }
  };

  const handleViewContent = (item: Content) => {
    navigate(`/writer/content/${item.id}`);
  };

  const formatScheduledTime = (dateStr: string | null | undefined) => {
    if (!dateStr) return 'Not scheduled';
    const date = new Date(dateStr);
    return date.toLocaleString('en-US', {
      weekday: 'short',
      month: 'short',
      day: 'numeric',
      hour: 'numeric',
      minute: '2-digit',
      hour12: true,
    });
  };

  const getStatusBadge = (item: Content) => {
    if (item.site_status === 'publishing') {
      return (
        <span className="inline-flex items-center gap-1 px-2 py-1 rounded-full text-xs font-medium bg-brand-100 text-brand-700 dark:bg-brand-900 dark:text-brand-300">
          <ArrowRightIcon className="w-3 h-3 animate-pulse" />
          Publishing...
        </span>
      );
    }
    return (
      <span className="inline-flex items-center gap-1 px-2 py-1 rounded-full text-xs font-medium bg-warning-100 text-warning-700 dark:bg-warning-900 dark:text-warning-300">
        <ClockIcon className="w-3 h-3" />
        Scheduled
      </span>
    );
  };

  // Calendar view helpers
  const getCalendarDays = () => {
    const today = new Date();
    const days = [];
    // Start from beginning of current week
    const startOfWeek = new Date(today);
    startOfWeek.setDate(today.getDate() - today.getDay());
    
    // Show 4 weeks
    for (let i = 0; i < 28; i++) {
      const date = new Date(startOfWeek);
      date.setDate(startOfWeek.getDate() + i);
      days.push(date);
    }
    return days;
  };

  // Get scheduled items for a specific date
  const getScheduledItemsForDate = (date: Date) => {
    return queueItems.filter(item => {
      if (!item.scheduled_publish_at) return false;
      const itemDate = new Date(item.scheduled_publish_at);
      return (
        itemDate.getDate() === date.getDate() &&
        itemDate.getMonth() === date.getMonth() &&
        itemDate.getFullYear() === date.getFullYear()
      );
    });
  };

  // Get published items for a specific date
  const getPublishedItemsForDate = (date: Date) => {
    return publishedItems.filter(item => {
      // Use site_status_updated_at as publish date
      const publishDate = item.site_status_updated_at || item.updated_at;
      if (!publishDate) return false;
      const itemDate = new Date(publishDate);
      return (
        itemDate.getDate() === date.getDate() &&
        itemDate.getMonth() === date.getMonth() &&
        itemDate.getFullYear() === date.getFullYear()
      );
    });
  };

  if (!activeSite) {
    return (
      <div className="p-6">
        <PageMeta title="Content Calendar" description="View and manage scheduled content" />
        <div className="flex flex-col items-center justify-center h-64 gap-4">
          <CalendarIcon className="w-12 h-12 text-gray-400" />
          <p className="text-gray-600 dark:text-gray-400">Please select a site from the header to view the content calendar</p>
        </div>
      </div>
    );
  }

  if (loading) {
    return (
      <div className="p-6">
        <PageMeta title="Content Calendar" description="View and manage scheduled content" />
        <div className="flex items-center justify-center h-64">
          <div className="text-gray-500">Loading calendar...</div>
        </div>
      </div>
    );
  }

  return (
    <div className="p-6">
      <PageMeta title="Content Calendar" description="View and manage scheduled content" />
      
      {/* Header - Site selector is in app header */}
      <div className="flex flex-col sm:flex-row sm:items-center sm:justify-between gap-4 mb-6">
        <PageHeader 
          title="Content Calendar"
          badge={{ icon: <CalendarIcon />, color: 'amber' }}
          hideSiteSector
        />
      </div>

      {/* Stats Overview - New layout with count on right, bigger labels, descriptions */}
      <div className="grid grid-cols-2 md:grid-cols-4 gap-4 mb-6">
        {/* Review */}
        <Card 
          className="p-4 cursor-pointer hover:border-purple-500 transition-colors group"
          onClick={() => navigate('/writer/review')}
        >
          <div className="flex items-start justify-between">
            <div className="flex-1">
              <div className="flex items-center gap-2 mb-1">
                <div className="size-8 rounded-lg bg-purple-100 dark:bg-purple-900/30 flex items-center justify-center">
                  <PencilIcon className="w-4 h-4 text-purple-600" />
                </div>
                <h3 className="text-base font-semibold text-gray-900 dark:text-white">Review</h3>
              </div>
              <p className="text-xs text-gray-500 dark:text-gray-400 mt-1">Content awaiting review before approval</p>
            </div>
            <p className="text-3xl font-bold text-purple-600 dark:text-purple-400">{stats.review}</p>
          </div>
        </Card>

        {/* Approved */}
        <Card 
          className="p-4 cursor-pointer hover:border-success-500 transition-colors group"
          onClick={() => navigate('/writer/approved')}
        >
          <div className="flex items-start justify-between">
            <div className="flex-1">
              <div className="flex items-center gap-2 mb-1">
                <div className="size-8 rounded-lg bg-success-100 dark:bg-success-900/30 flex items-center justify-center">
                  <CheckCircleIcon className="w-4 h-4 text-success-600" />
                </div>
                <h3 className="text-base font-semibold text-gray-900 dark:text-white">Approved</h3>
              </div>
              <p className="text-xs text-gray-500 dark:text-gray-400 mt-1">Ready to be scheduled for publishing</p>
            </div>
            <p className="text-3xl font-bold text-success-600 dark:text-success-400">{stats.approved}</p>
          </div>
        </Card>

        {/* Published */}
        <Card className="p-4">
          <div className="flex items-start justify-between">
            <div className="flex-1">
              <div className="flex items-center gap-2 mb-1">
                <div className="size-8 rounded-lg bg-brand-100 dark:bg-brand-900/30 flex items-center justify-center">
                  <ArrowRightIcon className="w-4 h-4 text-brand-600" />
                </div>
                <h3 className="text-base font-semibold text-gray-900 dark:text-white">Published</h3>
              </div>
              <p className="text-xs text-gray-500 dark:text-gray-400 mt-1">Successfully published to your site</p>
            </div>
            <p className="text-3xl font-bold text-brand-600 dark:text-brand-400">{stats.published}</p>
          </div>
        </Card>

        {/* Scheduled */}
        <Card className="p-4">
          <div className="flex items-start justify-between">
            <div className="flex-1">
              <div className="flex items-center gap-2 mb-1">
                <div className="size-8 rounded-lg bg-warning-100 dark:bg-warning-900/30 flex items-center justify-center">
                  <ClockIcon className="w-4 h-4 text-warning-600" />
                </div>
                <h3 className="text-base font-semibold text-gray-900 dark:text-white">Scheduled</h3>
              </div>
              <p className="text-xs text-gray-500 dark:text-gray-400 mt-1">Queued for automatic publishing</p>
            </div>
            <p className="text-3xl font-bold text-warning-600 dark:text-warning-400">{stats.scheduled}</p>
          </div>
        </Card>
      </div>

      {/* 30-day summary */}
      <div className="flex items-center justify-between mb-4 px-1">
        <div className="flex items-center gap-6 text-sm">
          <span className="text-gray-600 dark:text-gray-400">
            <span className="font-semibold text-brand-600">{stats.publishedLast30Days}</span> published in last 30 days
          </span>
          <span className="text-gray-600 dark:text-gray-400">
            <span className="font-semibold text-warning-600">{stats.scheduledNext30Days}</span> scheduled for next 30 days
          </span>
        </div>
        <ButtonGroup>
          <ButtonGroupItem
            isActive={viewMode === 'calendar'}
            onClick={() => setViewMode('calendar')}
            startIcon={<CalendarIcon className="w-4 h-4" />}
          >
            Calendar
          </ButtonGroupItem>
          <ButtonGroupItem
            isActive={viewMode === 'list'}
            onClick={() => setViewMode('list')}
            startIcon={<ListIcon className="w-4 h-4" />}
          >
            List
          </ButtonGroupItem>
        </ButtonGroup>
      </div>

      {/* Main Content Area with Sidebar */}
      <div className="flex gap-6">
        {/* Main Calendar/List View */}
        <div className="flex-1">
          {queueItems.length === 0 && approvedItems.length === 0 ? (
            <Card className="p-12 text-center">
              <CalendarIcon className="w-12 h-12 mx-auto text-gray-400 mb-4" />
              <h3 className="text-lg font-medium text-gray-900 dark:text-white mb-2">
                No content to schedule
              </h3>
              <p className="text-gray-600 dark:text-gray-400 mb-4">
                Approve content from the review queue to schedule for publishing.
              </p>
              <Button variant="outline" onClick={() => navigate('/writer/review')}>
                Go to Review Queue
              </Button>
            </Card>
          ) : viewMode === 'list' ? (
            /* List View */
            <ComponentCard title="Publishing Queue" desc="Drag items to reorder or drag from sidebar to add.">
              <div 
                className="space-y-2 min-h-[200px]"
                onDragOver={handleDragOver}
                onDrop={(e) => {
                  e.preventDefault();
                  if (!draggedItem) return;
                  // If dropping on empty area, schedule for tomorrow
                  const fromApproved = approvedItems.some(i => i.id === draggedItem.id);
                  if (fromApproved) {
                    const tomorrow = new Date();
                    tomorrow.setDate(tomorrow.getDate() + 1);
                    tomorrow.setHours(9, 0, 0, 0);
                    scheduleContent(draggedItem.id, tomorrow.toISOString())
                      .then(() => {
                        toast.success(`Scheduled for ${tomorrow.toLocaleDateString()}`);
                        loadQueue();
                      })
                      .catch((err) => toast.error(`Failed to schedule: ${err.message}`));
                  }
                  setDraggedItem(null);
                }}
              >
                {queueItems.length === 0 ? (
                  <div className="flex items-center justify-center h-48 border-2 border-dashed border-gray-300 dark:border-gray-600 rounded-lg">
                    <p className="text-gray-500 dark:text-gray-400">Drop approved content here to schedule</p>
                  </div>
                ) : (
                  queueItems.map((item, index) => (
                    <div
                      key={item.id}
                      draggable
                      onDragStart={(e) => handleDragStart(e, item, 'queue')}
                      onDragOver={handleDragOver}
                      onDrop={(e) => handleDropOnList(e, item)}
                      onDragEnd={handleDragEnd}
                      className={`
                        flex items-center gap-4 p-4 bg-white dark:bg-gray-800 rounded-lg border-2 
                        ${draggedItem?.id === item.id ? 'border-brand-500 opacity-50' : 'border-gray-200 dark:border-gray-700'}
                        hover:border-brand-300 dark:hover:border-brand-700 transition-all cursor-move
                      `}
                    >
                      <div className="flex-shrink-0 w-8 h-8 rounded-full bg-gray-100 dark:bg-gray-700 flex items-center justify-center text-sm font-medium text-gray-600 dark:text-gray-400">
                        {index + 1}
                      </div>
                      <div className="flex-1 min-w-0">
                        <h4 className="font-medium text-gray-900 dark:text-white truncate">
                          {item.title}
                        </h4>
                        <div className="flex items-center gap-3 mt-1 text-sm text-gray-500 dark:text-gray-400">
                          <span className="flex items-center gap-1">
                            <ClockIcon className="w-3.5 h-3.5" />
                            {formatScheduledTime(item.scheduled_publish_at)}
                          </span>
                        </div>
                      </div>
                      {getStatusBadge(item)}
                      <div className="flex items-center gap-1">
                        <IconButton
                          icon={<EyeIcon className="w-4 h-4" />}
                          variant="ghost"
                          tone="neutral"
                          size="sm"
                          onClick={() => handleViewContent(item)}
                          title="View content"
                        />
                        <IconButton
                          icon={<TrashBinIcon className="w-4 h-4" />}
                          variant="ghost"
                          tone="danger"
                          size="sm"
                          onClick={() => handleRemoveFromQueue(item)}
                          title="Remove from queue"
                        />
                      </div>
                    </div>
                  ))
                )}
              </div>
            </ComponentCard>
          ) : (
            /* Calendar View with drag-drop */
            <ComponentCard title="Calendar View" desc="Drag content from sidebar to schedule. Published items shown with glass effect.">
              <div className="grid grid-cols-7 gap-2">
                {/* Day headers */}
                {['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'].map(day => (
                  <div key={day} className="text-center text-sm font-medium text-gray-500 dark:text-gray-400 py-2">
                    {day}
                  </div>
                ))}
                
                {/* Calendar days */}
                {getCalendarDays().map((date, index) => {
                  const scheduledItems = getScheduledItemsForDate(date);
                  const publishedOnDate = getPublishedItemsForDate(date);
                  const isToday = date.toDateString() === new Date().toDateString();
                  const isPast = date < new Date(new Date().setHours(0, 0, 0, 0));
                  
                  return (
                    <div
                      key={index}
                      onDragOver={!isPast ? handleDragOver : undefined}
                      onDrop={!isPast ? (e) => handleDropOnCalendarDate(e, date) : undefined}
                      className={`
                        min-h-[100px] p-2 rounded-lg border transition-colors
                        ${isToday 
                          ? 'border-brand-500 bg-brand-50 dark:bg-brand-900/20' 
                          : isPast
                            ? 'border-gray-100 dark:border-gray-800 bg-gray-50/50 dark:bg-gray-900/30'
                            : 'border-gray-200 dark:border-gray-700 bg-white dark:bg-gray-800'
                        }
                        ${!isPast && draggedItem ? 'border-dashed border-brand-300 dark:border-brand-600' : ''}
                      `}
                    >
                      <div className={`text-sm font-medium mb-1 ${isToday ? 'text-brand-600' : isPast ? 'text-gray-400 dark:text-gray-500' : 'text-gray-600 dark:text-gray-400'}`}>
                        {date.getDate()}
                        {date.getDate() === 1 && (
                          <span className="ml-1 text-xs">
                            {date.toLocaleString('default', { month: 'short' })}
                          </span>
                        )}
                      </div>
                      <div className="space-y-1">
                        {/* Published items with glass effect */}
                        {publishedOnDate.slice(0, 2).map(item => (
                          <CalendarItemTooltip
                            key={item.id}
                            title={item.title}
                            status="published"
                            contentType={item.content_type || 'Article'}
                            date={item.site_status_updated_at}
                            dateLabel="Published"
                            placement="top"
                          >
                            <div
                              onClick={() => handleViewContent(item)}
                              className="text-xs p-1.5 bg-success-100/60 dark:bg-success-900/20 text-success-700 dark:text-success-300 rounded truncate cursor-pointer backdrop-blur-sm border border-success-200/50 dark:border-success-800/50"
                            >
                              ✓ {item.title}
                            </div>
                          </CalendarItemTooltip>
                        ))}
                        {/* Scheduled items */}
                        {scheduledItems.slice(0, 3 - publishedOnDate.length).map(item => (
                          <CalendarItemTooltip
                            key={item.id}
                            title={item.title}
                            status="scheduled"
                            contentType={item.content_type || 'Article'}
                            date={item.scheduled_publish_at}
                            dateLabel="Scheduled"
                            placement="top"
                          >
                            <div
                              draggable={!isPast}
                              onDragStart={!isPast ? (e) => handleDragStart(e, item, 'queue') : undefined}
                              onDragEnd={handleDragEnd}
                              onClick={() => handleViewContent(item)}
                              className={`text-xs p-1.5 rounded truncate transition-colors ${
                                isPast 
                                  ? 'bg-gray-100/60 dark:bg-gray-800/40 text-gray-500 dark:text-gray-400 backdrop-blur-sm cursor-default'
                                  : 'bg-warning-100 dark:bg-warning-900/30 text-warning-800 dark:text-warning-200 cursor-move hover:bg-warning-200 dark:hover:bg-warning-900/50'
                              }`}
                            >
                              {item.title}
                            </div>
                          </CalendarItemTooltip>
                        ))}
                        {(scheduledItems.length + publishedOnDate.length) > 3 && (
                          <div className="text-xs text-gray-500 dark:text-gray-400">
                            +{(scheduledItems.length + publishedOnDate.length) - 3} more
                          </div>
                        )}
                      </div>
                    </div>
                  );
                })}
              </div>
            </ComponentCard>
          )}
        </div>

        {/* Approved Content Sidebar - reduced width by 15% (80 -> 68) */}
        <div className="w-68 flex-shrink-0">
          <ComponentCard title="Approved Content" desc="Drag to publishing queue to schedule">
            <div className="space-y-2 max-h-[600px] overflow-y-auto">
              {approvedItems.length === 0 ? (
                <div className="text-center py-8 text-gray-500 dark:text-gray-400">
                  <FileTextIcon className="w-8 h-8 mx-auto mb-2 opacity-50" />
                  <p className="text-sm">No approved content</p>
                  <Button 
                    variant="ghost" 
                    size="sm" 
                    className="mt-2"
                    onClick={() => navigate('/writer/approved')}
                  >
                    View All Approved
                  </Button>
                </div>
              ) : (
                approvedItems.map(item => (
                  <div
                    key={item.id}
                    draggable
                    onDragStart={(e) => handleDragStart(e, item, 'approved')}
                    onDragEnd={handleDragEnd}
                    className={`
                      p-3 bg-white dark:bg-gray-800 rounded-lg border border-gray-200 dark:border-gray-700
                      ${draggedItem?.id === item.id ? 'opacity-50 border-brand-500' : ''}
                      hover:border-success-300 dark:hover:border-success-700 transition-colors cursor-move
                    `}
                  >
                    <h4 className="font-medium text-gray-900 dark:text-white text-sm truncate">
                      {item.title}
                    </h4>
                    <div className="flex items-center gap-2 mt-1">
                      <span className="text-xs text-success-600 dark:text-success-400 flex items-center gap-1">
                        <CheckCircleIcon className="w-3 h-3" />
                        Approved
                      </span>
                    </div>
                  </div>
                ))
              )}
            </div>
          </ComponentCard>
        </div>
      </div>
    </div>
  );
}