"use client";

/**
 * INSERT 액션 노드
 */

import { memo } from "react";
import { Handle, Position, NodeProps } from "reactflow";
import { Plus } from "lucide-react";
import type { InsertActionNodeData } from "@/types/node-editor";

export const InsertActionNode = memo(({ data, selected }: NodeProps<InsertActionNodeData>) => {
  return (
    <div
      className={`min-w-[250px] rounded-lg border-2 bg-white shadow-md transition-all ${
        selected ? "border-green-500 shadow-lg" : "border-gray-200"
      }`}
    >
      {/* 입력 핸들 */}
      <Handle type="target" position={Position.Left} className="!h-3 !w-3 !border-2 !border-green-500 !bg-white" />

      {/* 헤더 */}
      <div className="flex items-center gap-2 rounded-t-lg bg-green-500 px-3 py-2 text-white">
        <Plus className="h-4 w-4" />
        <div className="flex-1">
          <div className="text-sm font-semibold">INSERT</div>
          <div className="text-xs opacity-80">{data.displayName || data.targetTable}</div>
        </div>
      </div>

      {/* 본문 */}
      <div className="p-3">
        <div className="mb-2 text-xs font-medium text-gray-500">
          타겟: {data.displayName || data.targetTable}
          {data.targetTable && data.displayName && data.displayName !== data.targetTable && (
            <span className="ml-1 font-mono text-gray-400">({data.targetTable})</span>
          )}
        </div>

        {/* 필드 매핑 */}
        {data.fieldMappings && data.fieldMappings.length > 0 && (
          <div className="space-y-1">
            <div className="text-xs font-medium text-gray-700">삽입 필드:</div>
            <div className="max-h-[120px] space-y-1 overflow-y-auto">
              {data.fieldMappings.slice(0, 4).map((mapping, idx) => (
                <div key={idx} className="rounded bg-gray-50 px-2 py-1 text-xs">
                  <span className="text-gray-600">
                    {mapping.sourceFieldLabel || mapping.sourceField || mapping.staticValue || "?"}
                  </span>
                  <span className="mx-1 text-gray-400">→</span>
                  <span className="font-mono text-gray-700">{mapping.targetFieldLabel || mapping.targetField}</span>
                </div>
              ))}
              {data.fieldMappings.length > 4 && (
                <div className="text-xs text-gray-400">... 외 {data.fieldMappings.length - 4}개</div>
              )}
            </div>
          </div>
        )}

        {/* 옵션 */}
        {data.options && (
          <div className="mt-2 flex flex-wrap gap-1">
            {data.options.ignoreDuplicates && (
              <span className="rounded bg-green-100 px-1.5 py-0.5 text-xs text-green-700">중복 무시</span>
            )}
            {data.options.batchSize && (
              <span className="rounded bg-blue-100 px-1.5 py-0.5 text-xs text-blue-700">
                배치 {data.options.batchSize}건
              </span>
            )}
          </div>
        )}
      </div>

      {/* 출력 핸들 */}
      <Handle type="source" position={Position.Right} className="!h-3 !w-3 !border-2 !border-green-500 !bg-white" />
    </div>
  );
});

InsertActionNode.displayName = "InsertActionNode";
