"use client";

import React from "react";
import { ComponentData, WebType } from "@/types/screen";
import { Input } from "@/components/ui/input";
import { Label } from "@/components/ui/label";
import { Textarea } from "@/components/ui/textarea";
// import { Checkbox } from "@/components/ui/checkbox";
// import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "@/components/ui/select";
import {
  Database,
  Type,
  Hash,
  List,
  AlignLeft,
  CheckSquare,
  Radio,
  Calendar,
  Code,
  Building,
  File,
  Group,
  ChevronDown,
  ChevronRight,
} from "lucide-react";

interface RealtimePreviewProps {
  component: ComponentData;
  isSelected?: boolean;
  onClick?: () => void;
  onDragStart?: (e: React.DragEvent) => void;
  onDragEnd?: () => void;
  onGroupToggle?: (groupId: string) => void; // 그룹 접기/펼치기
  children?: React.ReactNode; // 그룹 내 자식 컴포넌트들
}

// 웹 타입에 따른 위젯 렌더링
const renderWidget = (component: ComponentData) => {
  const { widgetType, label, placeholder, required, readonly, columnName } = component;

  // 디버깅: 실제 widgetType 값 확인
  console.log("RealtimePreview - widgetType:", widgetType, "columnName:", columnName);

  const commonProps = {
    placeholder: placeholder || `입력하세요...`,
    disabled: readonly,
    required: required,
    className: "w-full h-full",
  };

  switch (widgetType) {
    case "text":
    case "email":
    case "tel":
      return <Input type={widgetType === "email" ? "email" : widgetType === "tel" ? "tel" : "text"} {...commonProps} />;

    case "number":
    case "decimal":
      return <Input type="number" step={widgetType === "decimal" ? "0.01" : "1"} {...commonProps} />;

    case "date":
    case "datetime":
      return <Input type={widgetType === "datetime" ? "datetime-local" : "date"} {...commonProps} />;

    case "select":
    case "dropdown":
      return (
        <select
          disabled={readonly}
          required={required}
          className="w-full rounded-md border border-gray-300 px-3 py-2 text-sm focus:border-blue-500 focus:ring-2 focus:ring-blue-500 focus:outline-none disabled:cursor-not-allowed disabled:bg-gray-100"
        >
          <option value="">{placeholder || "선택하세요..."}</option>
          <option value="option1">옵션 1</option>
          <option value="option2">옵션 2</option>
          <option value="option3">옵션 3</option>
        </select>
      );

    case "textarea":
    case "text_area":
      return <Textarea {...commonProps} rows={3} />;

    case "boolean":
    case "checkbox":
      return (
        <div className="flex items-center space-x-2">
          <input
            type="checkbox"
            id={`checkbox-${component.id}`}
            disabled={readonly}
            required={required}
            className="h-4 w-4"
          />
          <Label htmlFor={`checkbox-${component.id}`} className="text-sm">
            {label || columnName}
          </Label>
        </div>
      );

    case "radio":
      return (
        <div className="space-y-2">
          <div className="flex items-center space-x-2">
            <input
              type="radio"
              id={`radio1-${component.id}`}
              name={`radio-${component.id}`}
              disabled={readonly}
              className="h-4 w-4"
            />
            <Label htmlFor={`radio1-${component.id}`} className="text-sm">
              옵션 1
            </Label>
          </div>
          <div className="flex items-center space-x-2">
            <input
              type="radio"
              id={`radio2-${component.id}`}
              name={`radio-${component.id}`}
              disabled={readonly}
              className="h-4 w-4"
            />
            <Label htmlFor={`radio2-${component.id}`} className="text-sm">
              옵션 2
            </Label>
          </div>
        </div>
      );

    case "code":
      return (
        <Textarea {...commonProps} rows={4} className="w-full font-mono text-sm" placeholder="코드를 입력하세요..." />
      );

    case "entity":
      return (
        <select
          disabled={readonly}
          required={required}
          className="w-full rounded-md border border-gray-300 px-3 py-2 text-sm focus:border-blue-500 focus:ring-2 focus:ring-blue-500 focus:outline-none disabled:cursor-not-allowed disabled:bg-gray-100"
        >
          <option value="">엔티티를 선택하세요...</option>
          <option value="user">사용자</option>
          <option value="product">제품</option>
          <option value="order">주문</option>
        </select>
      );

    case "file":
      return (
        <input
          type="file"
          disabled={readonly}
          required={required}
          className="w-full rounded-md border border-gray-300 px-3 py-2 text-sm focus:border-blue-500 focus:ring-2 focus:ring-blue-500 focus:outline-none disabled:cursor-not-allowed disabled:bg-gray-100"
        />
      );

    default:
      return <Input type="text" {...commonProps} />;
  }
};

// 위젯 타입 아이콘
const getWidgetIcon = (widgetType: WebType | undefined) => {
  switch (widgetType) {
    case "text":
    case "email":
    case "tel":
      return <Type className="h-4 w-4 text-blue-600" />;
    case "number":
    case "decimal":
      return <Hash className="h-4 w-4 text-green-600" />;
    case "date":
    case "datetime":
      return <Calendar className="h-4 w-4 text-purple-600" />;
    case "select":
    case "dropdown":
      return <List className="h-4 w-4 text-orange-600" />;
    case "textarea":
    case "text_area":
      return <AlignLeft className="h-4 w-4 text-indigo-600" />;
    case "boolean":
    case "checkbox":
      return <CheckSquare className="h-4 w-4 text-blue-600" />;
    case "radio":
      return <Radio className="h-4 w-4 text-blue-600" />;
    case "code":
      return <Code className="h-4 w-4 text-gray-600" />;
    case "entity":
      return <Building className="h-4 w-4 text-cyan-600" />;
    case "file":
      return <File className="h-4 w-4 text-yellow-600" />;
    default:
      return <Type className="h-4 w-4 text-gray-500" />;
  }
};

export const RealtimePreview: React.FC<RealtimePreviewProps> = ({
  component,
  isSelected = false,
  onClick,
  onDragStart,
  onDragEnd,
  children,
  onGroupToggle,
}) => {
  const { type, label, tableName, columnName, widgetType, size, style } = component;

  return (
    <div
      className={`absolute cursor-move transition-all ${
        isSelected ? "ring-opacity-50 ring-2 ring-blue-500" : "hover:ring-opacity-50 hover:ring-1 hover:ring-gray-300"
      }`}
      style={{
        left: `${component.position.x}px`,
        top: `${component.position.y}px`,
        width: `${size.width * 80}px`,
        height: `${size.height}px`,
        ...style,
      }}
      onClick={onClick}
      draggable
      onDragStart={onDragStart}
      onDragEnd={onDragEnd}
      onMouseDown={(e) => {
        // 드래그 시작을 위한 마우스 다운 이벤트
        e.stopPropagation();
      }}
    >
      {type === "container" && (
        <div className="pointer-events-none flex h-full flex-col items-center justify-center p-2">
          <div className="flex flex-col items-center space-y-1">
            <Database className="h-6 w-6 text-blue-600" />
            <div className="text-center">
              <div className="text-xs font-medium">{label}</div>
              <div className="text-xs text-gray-500">{tableName}</div>
            </div>
          </div>
        </div>
      )}

      {type === "group" && (
        <div className="flex h-full flex-col rounded-lg border border-gray-200 bg-gray-50">
          {/* 그룹 헤더 */}
          <div
            className="pointer-events-auto flex cursor-pointer items-center justify-between rounded-t-lg border-b bg-white px-2 py-1"
            onClick={(e) => {
              e.stopPropagation();
              onGroupToggle?.(component.id);
            }}
          >
            <div className="flex items-center space-x-1">
              <Group className="h-3 w-3 text-blue-600" />
              <span className="text-xs font-medium">{label || "그룹"}</span>
              <span className="text-xs text-gray-500">({children ? children.length : 0}개)</span>
            </div>
            {component.collapsible &&
              (component.collapsed ? (
                <ChevronRight className="h-3 w-3 text-gray-500" />
              ) : (
                <ChevronDown className="h-3 w-3 text-gray-500" />
              ))}
          </div>

          {/* 그룹 내용 */}
          {!component.collapsed && (
            <div className="pointer-events-none flex-1 space-y-1 overflow-auto p-1">
              {children ? children : <div className="py-2 text-center text-xs text-gray-400">그룹이 비어있습니다</div>}
            </div>
          )}
        </div>
      )}

      {type === "widget" && (
        <div className="flex h-full flex-col">
          {/* 위젯 본체 - 실제 웹 위젯처럼 보이도록 */}
          <div className="pointer-events-none flex-1">{renderWidget(component)}</div>
        </div>
      )}
    </div>
  );
};

export default RealtimePreview;