"use client";

import React, { useEffect, useState, useCallback, useMemo } from "react";
import { ComponentRendererProps } from "@/types/component";
import {
  ApprovalStepConfig,
  ExtendedApprovalLine,
  ExtendedApprovalRequest,
  StepGroup,
} from "./types";
import { filterDOMProps } from "@/lib/utils/domPropsFilter";
import {
  getApprovalRequests,
  getApprovalRequest,
} from "@/lib/api/approval";
import {
  Check,
  X,
  Clock,
  SkipForward,
  Loader2,
  FileCheck,
  ChevronDown,
  ChevronUp,
  ArrowRight,
  CheckCircle,
  Users,
  Bell,
} from "lucide-react";
import { Badge } from "@/components/ui/badge";
import { cn } from "@/lib/utils";

export interface ApprovalStepComponentProps extends ComponentRendererProps {}

interface ApprovalStepData {
  request: ExtendedApprovalRequest;
  lines: ExtendedApprovalLine[];
  approvalMode: "sequential" | "parallel";
}

const STATUS_CONFIG = {
  approved: {
    label: "승인",
    icon: Check,
    bgColor: "bg-emerald-100",
    borderColor: "border-emerald-500",
    textColor: "text-emerald-700",
    iconColor: "text-emerald-600",
    dotColor: "bg-emerald-500",
  },
  rejected: {
    label: "반려",
    icon: X,
    bgColor: "bg-rose-100",
    borderColor: "border-rose-500",
    textColor: "text-rose-700",
    iconColor: "text-rose-600",
    dotColor: "bg-rose-500",
  },
  pending: {
    label: "결재 대기",
    icon: Clock,
    bgColor: "bg-amber-50",
    borderColor: "border-amber-400",
    textColor: "text-amber-700",
    iconColor: "text-amber-500",
    dotColor: "bg-amber-400",
  },
  waiting: {
    label: "대기",
    icon: Clock,
    bgColor: "bg-muted",
    borderColor: "border-border",
    textColor: "text-muted-foreground",
    iconColor: "text-muted-foreground",
    dotColor: "bg-muted-foreground/40",
  },
  skipped: {
    label: "건너뜀",
    icon: SkipForward,
    bgColor: "bg-muted/50",
    borderColor: "border-border/50",
    textColor: "text-muted-foreground/70",
    iconColor: "text-muted-foreground/50",
    dotColor: "bg-muted-foreground/30",
  },
} as const;

const REQUEST_STATUS_CONFIG = {
  requested: { label: "요청됨", color: "text-primary", bg: "bg-primary/10" },
  in_progress: { label: "진행 중", color: "text-amber-600", bg: "bg-amber-50" },
  approved: { label: "승인 완료", color: "text-emerald-600", bg: "bg-emerald-50" },
  rejected: { label: "반려", color: "text-rose-600", bg: "bg-rose-50" },
  cancelled: { label: "취소", color: "text-muted-foreground", bg: "bg-muted" },
} as const;

/** step_type에 대응하는 아이콘 */
const STEP_TYPE_ICON = {
  approval: CheckCircle,
  consensus: Users,
  notification: Bell,
} as const;

/**
 * 결재 라인을 step_order 기준으로 그룹핑
 * 합의결재 시 같은 step_order에 여러 line이 존재할 수 있음
 */
function groupLinesByStepOrder(lines: ExtendedApprovalLine[]): StepGroup[] {
  const groupMap = new Map<number, ExtendedApprovalLine[]>();

  for (const line of lines) {
    const order = line.step_order;
    if (!groupMap.has(order)) {
      groupMap.set(order, []);
    }
    groupMap.get(order)!.push(line);
  }

  const groups: StepGroup[] = [];
  const sortedOrders = Array.from(groupMap.keys()).sort((a, b) => a - b);

  for (const order of sortedOrders) {
    const groupLines = groupMap.get(order)!;
    const stepType = groupLines[0]?.step_type || "approval";
    groups.push({
      stepOrder: order,
      lines: groupLines,
      stepType,
    });
  }

  return groups;
}

/** 결재 라인에 표시할 뱃지 목록 반환 */
function getLineBadges(
  line: ExtendedApprovalLine,
  request: ExtendedApprovalRequest,
): Array<{ label: string; className: string }> {
  const badges: Array<{ label: string; className: string }> = [];

  if (line.proxy_for) {
    badges.push({
      label: "대결",
      className: "border-orange-300 text-amber-600",
    });
  }

  if (request.approval_type === "post") {
    badges.push({
      label: "후결",
      className: "border-amber-300 text-amber-600",
    });
  }

  if (request.approval_type === "self") {
    badges.push({
      label: "전결",
      className: "border-primary/40 text-primary",
    });
  }

  return badges;
}

/**
 * 결재 단계 시각화 컴포넌트
 * 결재 요청의 각 단계별 상태를 스테퍼 형태로 표시
 */
export const ApprovalStepComponent: React.FC<ApprovalStepComponentProps> = ({
  component,
  isDesignMode = false,
  isSelected = false,
  onClick,
  onDragStart,
  onDragEnd,
  formData,
  ...props
}) => {
  const componentConfig = (component.componentConfig || {}) as ApprovalStepConfig;
  const {
    targetTable,
    targetRecordIdField,
    displayMode = "horizontal",
    showComment = true,
    showTimestamp = true,
    showDept = true,
    compact = false,
  } = componentConfig;

  const [stepData, setStepData] = useState<ApprovalStepData | null>(null);
  const [loading, setLoading] = useState(false);
  const [expanded, setExpanded] = useState(false);
  const [error, setError] = useState<string | null>(null);

  const targetRecordId = targetRecordIdField && formData
    ? String(formData[targetRecordIdField] || "")
    : "";

  const fetchApprovalData = useCallback(async () => {
    if (isDesignMode || !targetTable || !targetRecordId) return;

    setLoading(true);
    setError(null);

    try {
      const res = await getApprovalRequests({
        target_table: targetTable,
        target_record_id: targetRecordId,
        limit: 1,
      });

      if (res.success && res.data && res.data.length > 0) {
        const latestRequest = res.data[0];
        const detailRes = await getApprovalRequest(latestRequest.request_id);

        if (detailRes.success && detailRes.data) {
          const request = detailRes.data as ExtendedApprovalRequest;
          const lines = (request.lines || []) as ExtendedApprovalLine[];
          const approvalMode =
            (request.target_record_data?.approval_mode as "sequential" | "parallel") || "sequential";

          setStepData({ request, lines, approvalMode });
        }
      } else {
        setStepData(null);
      }
    } catch (err) {
      setError("결재 정보를 불러올 수 없습니다.");
    } finally {
      setLoading(false);
    }
  }, [isDesignMode, targetTable, targetRecordId]);

  useEffect(() => {
    fetchApprovalData();
  }, [fetchApprovalData]);

  // 디자인 모드용 샘플 데이터 (합의/대결/통보 포함)
  useEffect(() => {
    if (isDesignMode) {
      setStepData({
        request: {
          request_id: 0,
          title: "결재 요청 샘플",
          target_table: "sample_table",
          target_record_id: "1",
          status: "in_progress",
          current_step: 2,
          total_steps: 4,
          requester_id: "admin",
          requester_name: "홍길동",
          requester_dept: "개발팀",
          company_code: "SAMPLE",
          created_at: new Date().toISOString(),
          updated_at: new Date().toISOString(),
          approval_type: "escalation",
          urgency: "urgent",
        },
        lines: [
          {
            line_id: 1, request_id: 0, step_order: 1,
            approver_id: "user1", approver_name: "김부장", approver_position: "부장", approver_dept: "경영지원팀",
            status: "approved", comment: "확인했습니다.",
            processed_at: new Date(Date.now() - 86400000).toISOString(),
            company_code: "SAMPLE", created_at: new Date().toISOString(),
            step_type: "approval",
          },
          {
            line_id: 2, request_id: 0, step_order: 2,
            approver_id: "user2", approver_name: "이과장", approver_position: "과장", approver_dept: "기획팀",
            status: "approved",
            processed_at: new Date(Date.now() - 43200000).toISOString(),
            company_code: "SAMPLE", created_at: new Date().toISOString(),
            step_type: "consensus",
          },
          {
            line_id: 3, request_id: 0, step_order: 2,
            approver_id: "user3", approver_name: "최대리", approver_position: "대리", approver_dept: "기획팀",
            status: "pending",
            company_code: "SAMPLE", created_at: new Date().toISOString(),
            step_type: "consensus",
          },
          {
            line_id: 4, request_id: 0, step_order: 3,
            approver_id: "user4", approver_name: "박대리", approver_position: "대리", approver_dept: "개발팀",
            status: "waiting",
            company_code: "SAMPLE", created_at: new Date().toISOString(),
            step_type: "approval",
            proxy_for: "정팀장",
          },
          {
            line_id: 5, request_id: 0, step_order: 4,
            approver_id: "user5", approver_name: "한사원", approver_position: "사원", approver_dept: "총무팀",
            status: "waiting",
            company_code: "SAMPLE", created_at: new Date().toISOString(),
            step_type: "notification",
          },
        ],
        approvalMode: "sequential",
      });
    }
  }, [isDesignMode]);

  const componentStyle: React.CSSProperties = {
    position: "absolute",
    left: `${component.style?.positionX || 0}px`,
    top: `${component.style?.positionY || 0}px`,
    width: `${component.style?.width || 500}px`,
    height: "auto",
    minHeight: `${component.style?.height || 80}px`,
    zIndex: component.style?.positionZ || 1,
    cursor: isDesignMode ? "pointer" : "default",
    border: isSelected ? "2px solid #3b82f6" : "none",
  };

  const handleClick = (e: React.MouseEvent) => {
    if (isDesignMode) {
      e.stopPropagation();
      onClick?.(e);
    }
  };

  const domProps = filterDOMProps(props);

  const formatDate = (dateStr?: string | null) => {
    if (!dateStr) return "";
    const d = new Date(dateStr);
    return `${d.getMonth() + 1}/${d.getDate()} ${String(d.getHours()).padStart(2, "0")}:${String(d.getMinutes()).padStart(2, "0")}`;
  };

  if (!isDesignMode && !targetTable) {
    return (
      <div style={componentStyle} onClick={handleClick} {...domProps}>
        <div className="flex items-center justify-center rounded-md border border-dashed border-border p-4 text-xs text-muted-foreground">
          대상 테이블이 설정되지 않았습니다.
        </div>
      </div>
    );
  }

  if (loading) {
    return (
      <div style={componentStyle} onClick={handleClick} {...domProps}>
        <div className="flex items-center justify-center gap-2 p-3 text-xs text-muted-foreground">
          <Loader2 className="h-3.5 w-3.5 animate-spin" />
          결재 정보 로딩 중...
        </div>
      </div>
    );
  }

  if (error) {
    return (
      <div style={componentStyle} onClick={handleClick} {...domProps}>
        <div className="rounded-md border border-destructive/30 bg-destructive/5 p-3 text-xs text-destructive">
          {error}
        </div>
      </div>
    );
  }

  if (!stepData) {
    if (!isDesignMode && !targetRecordId) {
      return (
        <div style={componentStyle} onClick={handleClick} {...domProps}>
          <div className="flex items-center gap-2 rounded-md border border-dashed border-border p-3 text-xs text-muted-foreground">
            <FileCheck className="h-3.5 w-3.5" />
            레코드를 선택하면 결재 현황이 표시됩니다.
          </div>
        </div>
      );
    }
    return (
      <div style={componentStyle} onClick={handleClick} {...domProps}>
        <div className="flex items-center gap-2 rounded-md border border-dashed border-border p-3 text-xs text-muted-foreground">
          <FileCheck className="h-3.5 w-3.5" />
          결재 요청 내역이 없습니다.
        </div>
      </div>
    );
  }

  const { request, lines, approvalMode } = stepData;
  const reqStatus = REQUEST_STATUS_CONFIG[request.status] || REQUEST_STATUS_CONFIG.requested;
  const urgency = request.urgency;

  return (
    <div style={componentStyle} onClick={handleClick} {...domProps}>
      <div className="rounded-md border border-border bg-card">
        {/* 헤더 - 요약 */}
        <button
          type="button"
          className={cn(
            "flex w-full items-center justify-between px-3 py-2 text-left transition-colors hover:bg-muted/50",
            urgency === "critical" && "bg-destructive/10",
          )}
          onClick={(e) => {
            e.stopPropagation();
            if (!isDesignMode) setExpanded((prev) => !prev);
          }}
        >
          <div className="flex items-center gap-2">
            <FileCheck className="h-4 w-4 text-muted-foreground" />
            <span className="text-xs font-medium">{request.title}</span>
            {urgency === "urgent" && (
              <span className="inline-block h-2 w-2 rounded-full bg-amber-500" />
            )}
            {urgency === "critical" && (
              <span className="inline-block h-2 w-2 rounded-full bg-destructive" />
            )}
            <span className={cn("rounded-full px-2 py-0.5 text-[10px] font-medium", reqStatus.bg, reqStatus.color)}>
              {reqStatus.label}
            </span>
            {/* 결재 유형 뱃지 */}
            {request.approval_type === "post" && (
              <Badge variant="outline" className="h-4 border-amber-300 px-1.5 text-[9px] text-amber-600">
                후결
              </Badge>
            )}
            {request.approval_type === "self" && (
              <Badge variant="outline" className="h-4 border-primary/40 px-1.5 text-[9px] text-primary">
                전결
              </Badge>
            )}
            {approvalMode === "parallel" && (
              <span className="rounded-full bg-primary/10 px-2 py-0.5 text-[10px] font-medium text-primary">
                동시결재
              </span>
            )}
          </div>
          <div className="flex items-center gap-2 text-muted-foreground">
            <span className="text-[10px]">
              {request.current_step}/{request.total_steps}단계
            </span>
            {expanded ? <ChevronUp className="h-3.5 w-3.5" /> : <ChevronDown className="h-3.5 w-3.5" />}
          </div>
        </button>

        {/* 스테퍼 영역 */}
        <div className={cn("border-t border-border", compact ? "px-2 py-1.5" : "px-3 py-2.5")}>
          {displayMode === "horizontal" ? (
            <HorizontalStepper
              lines={lines}
              request={request}
              approvalMode={approvalMode}
              compact={compact}
              showDept={showDept}
            />
          ) : (
            <VerticalStepper
              lines={lines}
              request={request}
              approvalMode={approvalMode}
              compact={compact}
              showDept={showDept}
              showComment={showComment}
              showTimestamp={showTimestamp}
              formatDate={formatDate}
            />
          )}
        </div>

        {/* 확장 영역 - 상세 정보 */}
        {expanded && (
          <div className="border-t border-border px-3 py-2">
            <div className="space-y-2">
              <div className="flex items-center gap-4 text-[11px] text-muted-foreground">
                <span>상신자: {request.requester_name || request.requester_id}</span>
                {request.requester_dept && <span>부서: {request.requester_dept}</span>}
                <span>상신일: {formatDate(request.created_at)}</span>
                {request.approval_type && request.approval_type !== "escalation" && (
                  <span>
                    유형: {request.approval_type === "self" ? "전결" : request.approval_type === "post" ? "후결" : request.approval_type === "consensus" ? "합의" : request.approval_type}
                  </span>
                )}
              </div>
              {displayMode === "horizontal" && lines.length > 0 && (
                <div className="mt-1.5 space-y-1">
                  {lines.map((line) => {
                    const sc = STATUS_CONFIG[line.status] || STATUS_CONFIG.waiting;
                    const lineBadges = getLineBadges(line, request);
                    const StepIcon = STEP_TYPE_ICON[line.step_type || "approval"];
                    return (
                      <div key={line.line_id} className="flex items-start gap-2 text-[11px]">
                        <span className={cn("mt-0.5 inline-block h-2 w-2 shrink-0 rounded-full", sc.dotColor)} />
                        <StepIcon className="mt-0.5 h-3 w-3 shrink-0 text-muted-foreground" />
                        <span className="font-medium">{line.approver_name || line.approver_id}</span>
                        {lineBadges.map((b) => (
                          <Badge key={b.label} variant="outline" className={cn("h-3.5 px-1 text-[8px]", b.className)}>
                            {b.label}
                          </Badge>
                        ))}
                        <span className={cn("font-medium", sc.textColor)}>{sc.label}</span>
                        {line.step_type === "notification" && (
                          <span className="text-muted-foreground">(자동 통보)</span>
                        )}
                        {line.proxy_for && (
                          <span className="text-amber-600">({line.proxy_for} 대결)</span>
                        )}
                        {showTimestamp && line.processed_at && (
                          <span className="text-muted-foreground">{formatDate(line.processed_at)}</span>
                        )}
                        {showComment && line.comment && (
                          <span className="text-muted-foreground">- {line.comment}</span>
                        )}
                      </div>
                    );
                  })}
                </div>
              )}
            </div>
          </div>
        )}
      </div>
    </div>
  );
};

/* ========== 공통 Props ========== */
interface StepperProps {
  lines: ExtendedApprovalLine[];
  request: ExtendedApprovalRequest;
  approvalMode: "sequential" | "parallel";
  compact: boolean;
  showDept: boolean;
  showComment?: boolean;
  showTimestamp?: boolean;
  formatDate?: (d?: string | null) => string;
}

/* ========== 결재자 카드 (가로형/세로형 공용) ========== */
interface ApproverCardProps {
  line: ExtendedApprovalLine;
  request: ExtendedApprovalRequest;
  compact: boolean;
  showDept: boolean;
  variant: "horizontal" | "vertical";
}

const ApproverCard: React.FC<ApproverCardProps> = ({ line, request, compact, showDept, variant }) => {
  const sc = STATUS_CONFIG[line.status] || STATUS_CONFIG.waiting;
  const StatusIcon = sc.icon;
  const lineBadges = getLineBadges(line, request);
  const isNotification = line.step_type === "notification";

  if (variant === "horizontal") {
    return (
      <div className={cn(
        "flex shrink-0 flex-col items-center gap-0.5",
        isNotification && "rounded px-1 py-0.5 bg-muted/50",
      )}>
        <div
          className={cn(
            "flex items-center justify-center rounded-full border-2 transition-all",
            sc.bgColor,
            sc.borderColor,
            compact ? "h-6 w-6" : "h-8 w-8"
          )}
        >
          <StatusIcon className={cn(sc.iconColor, compact ? "h-3 w-3" : "h-4 w-4")} />
        </div>
        <div className="flex items-center gap-0.5">
          <span className={cn("max-w-[60px] truncate text-center font-medium", compact ? "text-[9px]" : "text-[11px]")}>
            {line.approver_name || line.approver_id}
          </span>
          {lineBadges.map((b) => (
            <Badge key={b.label} variant="outline" className={cn("h-3 px-0.5 text-[7px] leading-none", b.className)}>
              {b.label}
            </Badge>
          ))}
        </div>
        {showDept && !compact && (line.approver_position || line.approver_dept) && (
          <span className="max-w-[70px] truncate text-center text-[9px] text-muted-foreground">
            {line.approver_position || line.approver_dept}
          </span>
        )}
        {isNotification && !compact && (
          <span className="text-[8px] text-muted-foreground">(자동 통보)</span>
        )}
      </div>
    );
  }

  return null;
};

/* ========== 가로형 스테퍼 ========== */
const HorizontalStepper: React.FC<StepperProps> = ({ lines, request, approvalMode, compact, showDept }) => {
  const stepGroups = useMemo(() => groupLinesByStepOrder(lines), [lines]);

  if (lines.length === 0) {
    return <div className="py-1 text-center text-[11px] text-muted-foreground">결재선 없음</div>;
  }

  return (
    <div className="flex items-center gap-0 overflow-x-auto">
      {stepGroups.map((group, groupIdx) => {
        const StepTypeIcon = STEP_TYPE_ICON[group.stepType];
        const isLast = groupIdx === stepGroups.length - 1;
        const isConsensus = group.lines.length > 1;

        return (
          <React.Fragment key={group.stepOrder}>
            {isConsensus ? (
              <div className="flex shrink-0 flex-col items-center gap-0.5">
                {/* 합의결재: step_type 아이콘 표시 */}
                {!compact && (
                  <div className="flex items-center gap-0.5 text-[8px] text-muted-foreground">
                    <StepTypeIcon className="h-3 w-3" />
                    <span>합의</span>
                  </div>
                )}
                {/* 같은 step_order의 결재자들을 가로로 나열 */}
                <div className="flex items-start gap-2 rounded-md border border-dashed border-muted-foreground/30 px-1.5 py-1">
                  {group.lines.map((line, lineIdx) => (
                    <React.Fragment key={line.line_id}>
                      <ApproverCard
                        line={line}
                        request={request}
                        compact={compact}
                        showDept={showDept}
                        variant="horizontal"
                      />
                      {lineIdx < group.lines.length - 1 && (
                        <div className="flex items-center self-center text-[9px] text-muted-foreground/50">+</div>
                      )}
                    </React.Fragment>
                  ))}
                </div>
              </div>
            ) : (
              <div className="flex shrink-0 flex-col items-center gap-0.5">
                {/* 단일 결재자: step_type 아이콘 (통보/합의만 표시) */}
                {!compact && group.stepType !== "approval" && (
                  <div className="flex items-center gap-0.5 text-[8px] text-muted-foreground">
                    <StepTypeIcon className="h-3 w-3" />
                    <span>{group.stepType === "notification" ? "통보" : "합의"}</span>
                  </div>
                )}
                <ApproverCard
                  line={group.lines[0]}
                  request={request}
                  compact={compact}
                  showDept={showDept}
                  variant="horizontal"
                />
              </div>
            )}

            {/* 연결선 */}
            {!isLast && (
              <div className="mx-1 flex shrink-0 items-center">
                {approvalMode === "parallel" ? (
                  <div className="flex h-[1px] w-4 items-center border-t border-dashed border-muted-foreground/40" />
                ) : (
                  <ArrowRight className="h-3 w-3 text-muted-foreground/40" />
                )}
              </div>
            )}
          </React.Fragment>
        );
      })}
    </div>
  );
};

/* ========== 세로형 스테퍼 ========== */
const VerticalStepper: React.FC<StepperProps> = ({
  lines,
  request,
  approvalMode,
  compact,
  showDept,
  showComment,
  showTimestamp,
  formatDate,
}) => {
  const stepGroups = useMemo(() => groupLinesByStepOrder(lines), [lines]);

  if (lines.length === 0) {
    return <div className="py-1 text-center text-[11px] text-muted-foreground">결재선 없음</div>;
  }

  return (
    <div className="space-y-0">
      {stepGroups.map((group, groupIdx) => {
        const StepTypeIcon = STEP_TYPE_ICON[group.stepType];
        const isLast = groupIdx === stepGroups.length - 1;
        const isConsensus = group.lines.length > 1;
        const isNotificationGroup = group.stepType === "notification";

        return (
          <div key={group.stepOrder} className="flex gap-3">
            {/* 타임라인 바 */}
            <div className="flex flex-col items-center">
              <div className="flex shrink-0 items-center justify-center">
                <StepTypeIcon className={cn(
                  "text-muted-foreground",
                  compact ? "h-3.5 w-3.5" : "h-4 w-4",
                )} />
              </div>
              {!isLast && (
                <div
                  className={cn(
                    "w-[2px] flex-1",
                    approvalMode === "parallel"
                      ? "border-l border-dashed border-muted-foreground/30"
                      : "bg-muted-foreground/20",
                    compact ? "min-h-[12px]" : "min-h-[20px]"
                  )}
                />
              )}
            </div>

            {/* 결재자 정보 */}
            <div className={cn(
              "flex-1",
              compact ? "pb-1" : "pb-3",
              isNotificationGroup && "rounded bg-muted/50 px-2 py-1",
            )}>
              {isConsensus ? (
                <div>
                  <div className="mb-1 flex items-center gap-1 text-[9px] text-muted-foreground">
                    <Users className="h-3 w-3" />
                    <span>합의결재 ({group.lines.length}명)</span>
                  </div>
                  <div className="flex flex-wrap items-start gap-2">
                    {group.lines.map((line) => {
                      const sc = STATUS_CONFIG[line.status] || STATUS_CONFIG.waiting;
                      const StatusIcon = sc.icon;
                      const lineBadges = getLineBadges(line, request);
                      return (
                        <div key={line.line_id} className="flex items-center gap-1.5 rounded-md border border-border bg-card px-2 py-1">
                          <div className={cn(
                            "flex shrink-0 items-center justify-center rounded-full border",
                            sc.bgColor, sc.borderColor,
                            "h-5 w-5",
                          )}>
                            <StatusIcon className={cn(sc.iconColor, "h-2.5 w-2.5")} />
                          </div>
                          <div>
                            <div className="flex items-center gap-1">
                              <span className={cn("font-medium", compact ? "text-[10px]" : "text-xs")}>
                                {line.approver_name || line.approver_id}
                              </span>
                              {lineBadges.map((b) => (
                                <Badge key={b.label} variant="outline" className={cn("h-3.5 px-1 text-[8px]", b.className)}>
                                  {b.label}
                                </Badge>
                              ))}
                              <span className={cn("text-[9px] font-medium", sc.textColor)}>{sc.label}</span>
                            </div>
                            {showDept && (line.approver_position || line.approver_dept) && (
                              <span className="text-[9px] text-muted-foreground">
                                {[line.approver_position, line.approver_dept].filter(Boolean).join(" / ")}
                              </span>
                            )}
                            {showTimestamp && line.processed_at && formatDate && (
                              <div className="text-[9px] text-muted-foreground">{formatDate(line.processed_at)}</div>
                            )}
                            {showComment && line.comment && (
                              <div className="text-[9px] text-muted-foreground">&quot;{line.comment}&quot;</div>
                            )}
                          </div>
                        </div>
                      );
                    })}
                  </div>
                </div>
              ) : (
                (() => {
                  const line = group.lines[0];
                  const sc = STATUS_CONFIG[line.status] || STATUS_CONFIG.waiting;
                  const StatusIcon = sc.icon;
                  const lineBadges = getLineBadges(line, request);
                  return (
                    <>
                      <div className="flex items-center gap-2">
                        <div className={cn(
                          "flex shrink-0 items-center justify-center rounded-full border-2",
                          sc.bgColor, sc.borderColor,
                          compact ? "h-5 w-5" : "h-6 w-6",
                        )}>
                          <StatusIcon className={cn(sc.iconColor, compact ? "h-2.5 w-2.5" : "h-3 w-3")} />
                        </div>
                        <span className={cn("font-medium", compact ? "text-[10px]" : "text-xs")}>
                          {line.approver_name || line.approver_id}
                        </span>
                        {lineBadges.map((b) => (
                          <Badge key={b.label} variant="outline" className={cn("h-3.5 px-1 text-[8px]", b.className)}>
                            {b.label}
                          </Badge>
                        ))}
                        {showDept && (line.approver_position || line.approver_dept) && (
                          <span className="text-[10px] text-muted-foreground">
                            {[line.approver_position, line.approver_dept].filter(Boolean).join(" / ")}
                          </span>
                        )}
                        <span className={cn("rounded px-1.5 py-0.5 text-[9px] font-medium", sc.bgColor, sc.textColor)}>
                          {sc.label}
                        </span>
                        {isNotificationGroup && (
                          <span className="text-[9px] text-muted-foreground">(자동 통보)</span>
                        )}
                        {line.proxy_for && (
                          <span className="text-[9px] text-amber-600">({line.proxy_for} 대결)</span>
                        )}
                      </div>
                      {showTimestamp && line.processed_at && formatDate && (
                        <div className="mt-0.5 pl-8 text-[10px] text-muted-foreground">
                          {formatDate(line.processed_at)}
                        </div>
                      )}
                      {showComment && line.comment && (
                        <div className="mt-0.5 pl-8 text-[10px] text-muted-foreground">
                          &quot;{line.comment}&quot;
                        </div>
                      )}
                    </>
                  );
                })()
              )}
            </div>
          </div>
        );
      })}
    </div>
  );
};

export const ApprovalStepWrapper: React.FC<ApprovalStepComponentProps> = (props) => {
  return <ApprovalStepComponent {...props} />;
};
