"use client";

/**
 * DELETE 액션 노드
 */

import { memo } from "react";
import { Handle, Position, NodeProps } from "reactflow";
import { Trash2, AlertTriangle } from "lucide-react";
import type { DeleteActionNodeData } from "@/types/node-editor";

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

      {/* 헤더 */}
      <div className="flex items-center gap-2 rounded-t-lg bg-destructive px-3 py-2 text-white">
        <Trash2 className="h-4 w-4" />
        <div className="flex-1">
          <div className="text-sm font-semibold">DELETE</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-muted-foreground">타겟: {data.targetTable}</div>

        {/* WHERE 조건 */}
        {data.whereConditions && data.whereConditions.length > 0 ? (
          <div className="space-y-1">
            <div className="text-xs font-medium text-foreground">WHERE 조건:</div>
            <div className="max-h-[120px] space-y-1 overflow-y-auto">
              {data.whereConditions.map((condition, idx) => (
                <div key={idx} className="rounded bg-destructive/10 px-2 py-1 text-xs">
                  <span className="font-mono text-foreground">{condition.field}</span>
                  <span className="mx-1 text-destructive">{condition.operator}</span>
                  <span className="text-muted-foreground">{condition.sourceField || condition.staticValue || "?"}</span>
                </div>
              ))}
            </div>
          </div>
        ) : (
          <div className="rounded bg-amber-50 p-2 text-xs text-yellow-700">⚠️ 조건 없음 - 모든 데이터 삭제 주의!</div>
        )}

        {/* 경고 메시지 */}
        <div className="mt-3 flex items-start gap-2 rounded border border-destructive/20 bg-destructive/10 p-2">
          <AlertTriangle className="h-3 w-3 flex-shrink-0 text-destructive" />
          <div className="text-xs text-destructive">
            <div className="font-medium">주의</div>
            <div className="mt-0.5">삭제된 데이터는 복구할 수 없습니다</div>
          </div>
        </div>

        {/* 옵션 */}
        {data.options?.requireConfirmation && (
          <div className="mt-2">
            <span className="rounded bg-destructive/10 px-1.5 py-0.5 text-xs text-destructive">실행 전 확인 필요</span>
          </div>
        )}
      </div>

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

DeleteActionNode.displayName = "DeleteActionNode";
