import {
  Text,
  Shapes,
  Eye,
  EyeSlash,
  Copy,
  Trash,
  Gallery,
  Link2,
  VideoSquare,
  Music,
  DocumentText,
  ArrowLeft,
  Minus,
  Grid8,
  Layer,
  MouseSquare,
  Sticker,
} from 'iconsax-react'
import { useState } from 'react'
import { useEditorStore } from '../store/editorStore'
import { clx } from '@/helpers/utils'

const LayersList = () => {
  const {
    objects,
    selectedObjectId,
    setSelectedObjectId,
    deleteObject,
    duplicateObject,
    toggleObjectVisibility,
    reorderObjects,
  } = useEditorStore()
  const [draggedObjectId, setDraggedObjectId] = useState<string | null>(null)
  const [dragOverObjectId, setDragOverObjectId] = useState<string | null>(null)
  const orderedLayers = [...objects].reverse()

  const getLayerIcon = (type: string) => {
    switch (type) {
      case 'text':
        return <Text size={20} color="black" />
      case 'rectangle':
        return <Shapes size={20} color="black" />
      case 'image':
        return <Gallery size={20} color="black" />
      case 'link':
        return <Link2 size={20} color="black" />
      case 'video':
        return <VideoSquare size={20} color="black" />
      case 'audio':
        return <Music size={20} color="black" />
      case 'document':
        return <DocumentText size={20} color="black" />
      case 'arrow':
        return <ArrowLeft size={20} color="black" />
      case 'line':
        return <Minus size={20} color="black" />
      case 'grid':
        return <Grid8 size={20} color="black" />
      case 'group':
        return <Layer size={20} color="black" />
      case 'select':
        return <MouseSquare size={20} color="black" />
      case 'sticker':
        return <Sticker size={20} color="black" />
      default:
        return <Shapes size={20} color="black" />
    }
  }

  const getLayerLabel = (obj: typeof objects[0]) => {
    if (obj.isMask) {
      return 'ماسک'
    }
    
    switch (obj.type) {
      case 'text':
        return 'متن'
      case 'rectangle': {
        // نام واقعی شکل بر اساس shapeType
        switch (obj.shapeType) {
          case 'circle':
            return 'دایره'
          case 'triangle':
            return 'مثلث'
          case 'abstract':
            return 'انتزاعی'
          case 'square':
          default:
            return 'مربع'
        }
      }
      case 'image':
        return 'تصویر'
      case 'link':
        return 'لینک'
      case 'video':
        return 'ویدیو'
      case 'audio':
        return obj.audioName || 'صدا'
      case 'document':
        return 'سند'
      case 'arrow':
        return 'پیکان'
      case 'line':
        return 'خط'
      case 'grid':
        return 'گرید'
      case 'group':
        return 'گروه'
      case 'select':
        return 'انتخاب'
      case 'sticker':
        return 'استیکر'
      default:
        return 'لایه'
    }
  }

  return (
    <div className="flex-1 overflow-y-auto p-4">
      <div className="flex flex-col gap-2">
        {objects.length === 0 ? (
          <div className="text-sm text-gray-500 text-center py-8">
            لایه‌ای وجود ندارد
          </div>
        ) : (
          orderedLayers.map((obj) => {
            const isSelected = selectedObjectId === obj.id
            return (
              <div
                key={obj.id}
                onClick={() => setSelectedObjectId(obj.id)}
                draggable
                onDragStart={() => {
                  setDraggedObjectId(obj.id)
                }}
                onDragOver={(e) => {
                  e.preventDefault()
                  if (dragOverObjectId !== obj.id) {
                    setDragOverObjectId(obj.id)
                  }
                }}
                onDrop={(e) => {
                  e.preventDefault()
                  if (draggedObjectId && draggedObjectId !== obj.id) {
                    reorderObjects(draggedObjectId, obj.id)
                  }
                  setDraggedObjectId(null)
                  setDragOverObjectId(null)
                }}
                onDragEnd={() => {
                  setDraggedObjectId(null)
                  setDragOverObjectId(null)
                }}
                className={clx(
                  'flex items-center gap-3 p-3 rounded-lg cursor-pointer transition-colors',
                  dragOverObjectId === obj.id &&
                    draggedObjectId !== obj.id &&
                    'ring-2 ring-blue-300',
                  isSelected
                    ? 'bg-blue-50 border border-blue-200'
                    : 'bg-gray-50 hover:bg-gray-100'
                )}
              >
                <div className="shrink-0">{getLayerIcon(obj.type)}</div>
                <div className="flex-1 text-xs">{getLayerLabel(obj)}</div>
                <div className="flex items-center gap-1.5">
                  <button
                    onClick={(e) => {
                      e.stopPropagation()
                      toggleObjectVisibility(obj.id)
                    }}
                    className="w-6 h-6 flex items-center justify-center rounded-full hover:bg-gray-200 transition-colors"
                  >
                    {(obj.visible ?? true) ? (
                      <Eye size={16} color="black" />
                    ) : (
                      <EyeSlash size={16} color="black" />
                    )}
                  </button>
                  <button
                    onClick={(e) => {
                      e.stopPropagation()
                      duplicateObject(obj.id)
                    }}
                    className="w-6 h-6 flex items-center justify-center rounded-full hover:bg-gray-200 transition-colors"
                  >
                    <Copy size={16} color="black" />
                  </button>
                  <button
                    onClick={(e) => {
                      e.stopPropagation()
                      deleteObject(obj.id)
                    }}
                    className="w-6 h-6 flex items-center justify-center rounded-full hover:bg-red-100 transition-colors"
                  >
                    <Trash size={16} color="#FF3B30" />
                  </button>
                </div>
              </div>
            )
          })
        )}
      </div>
    </div>
  )
}

export default LayersList