ERP-node/frontend/components/admin/UserAuthEditModal.tsx

"use client";

import React, { useState, useEffect } from "react";
import {
  Dialog,
  DialogContent,
  DialogHeader,
  DialogTitle,
  DialogDescription,
  DialogFooter,
} from "@/components/ui/dialog";
import { Button } from "@/components/ui/button";
import { Label } from "@/components/ui/label";
import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "@/components/ui/select";
import { userAPI } from "@/lib/api/user";
import { Shield, ShieldCheck, User, Users, Building2, AlertTriangle } from "lucide-react";

interface UserAuthEditModalProps {
  isOpen: boolean;
  onClose: () => void;
  onSuccess?: () => void;
  user: any | null;
}

/**
 * 사용자 권한 변경 모달
 *
 * 권한 레벨만 변경 가능 (최고 관리자 전용)
 */
export function UserAuthEditModal({ isOpen, onClose, onSuccess, user }: UserAuthEditModalProps) {
  const [selectedUserType, setSelectedUserType] = useState<string>("");
  const [isLoading, setIsLoading] = useState(false);
  const [showConfirmation, setShowConfirmation] = useState(false);

  // 모달 열릴 때 현재 권한 설정
  useEffect(() => {
    if (isOpen && user) {
      setSelectedUserType(user.userType || "USER");
      setShowConfirmation(false);
    }
  }, [isOpen, user]);

  // 권한 정보
  const userTypeOptions = [
    {
      value: "SUPER_ADMIN",
      label: "최고 관리자",
      description: "모든 회사 관리, DDL 실행, 회사 생성/삭제 가능",
      icon: <ShieldCheck className="h-4 w-4" />,
      color: "text-purple-600",
    },
    {
      value: "COMPANY_ADMIN",
      label: "회사 관리자",
      description: "자기 회사 데이터 및 사용자 관리 가능",
      icon: <Building2 className="h-4 w-4" />,
      color: "text-blue-600",
    },
    {
      value: "USER",
      label: "일반 사용자",
      description: "자기 회사 데이터 조회/수정만 가능",
      icon: <User className="h-4 w-4" />,
      color: "text-gray-600",
    },
    {
      value: "GUEST",
      label: "게스트",
      description: "제한된 조회 권한",
      icon: <Users className="h-4 w-4" />,
      color: "text-green-600",
    },
    {
      value: "PARTNER",
      label: "협력업체",
      description: "협력업체 전용 권한",
      icon: <Shield className="h-4 w-4" />,
      color: "text-orange-600",
    },
  ];

  const selectedOption = userTypeOptions.find((opt) => opt.value === selectedUserType);

  // 권한 변경 여부 확인
  const isUserTypeChanged = user && selectedUserType !== user.userType;

  // 권한 변경 처리
  const handleSave = async () => {
    if (!user || !isUserTypeChanged) {
      onClose();
      return;
    }

    // SUPER_ADMIN 변경 시 확인
    if (selectedUserType === "SUPER_ADMIN" && !showConfirmation) {
      setShowConfirmation(true);
      return;
    }

    setIsLoading(true);

    try {
      const response = await userAPI.update({
        userId: user.userId,
        userName: user.userName,
        companyCode: user.companyCode,
        deptCode: user.deptCode,
        userType: selectedUserType,
      });

      if (response.success) {
        onSuccess?.();
      } else {
        alert(response.message || "권한 변경에 실패했습니다.");
      }
    } catch (error) {
      console.error("권한 변경 오류:", error);
      alert("권한 변경 중 오류가 발생했습니다.");
    } finally {
      setIsLoading(false);
    }
  };

  if (!user) return null;

  return (
    <Dialog open={isOpen} onOpenChange={onClose}>
      <DialogContent className="max-w-[95vw] sm:max-w-[500px]">
        <DialogHeader>
          <DialogTitle className="text-base sm:text-lg">사용자 권한 변경</DialogTitle>
        </DialogHeader>

        <div className="space-y-4">
          {/* 사용자 정보 */}
          <div className="bg-muted/50 rounded-lg border p-4">
            <div className="space-y-2">
              <div className="flex justify-between text-sm">
                <span className="text-muted-foreground">사용자 ID</span>
                <span className="font-mono font-medium">{user.userId}</span>
              </div>
              <div className="flex justify-between text-sm">
                <span className="text-muted-foreground">사용자명</span>
                <span className="font-medium">{user.userName}</span>
              </div>
              <div className="flex justify-between text-sm">
                <span className="text-muted-foreground">회사</span>
                <span className="font-medium">{user.companyName || user.companyCode}</span>
              </div>
              <div className="flex justify-between text-sm">
                <span className="text-muted-foreground">현재 권한</span>
                <span className="font-medium">
                  {userTypeOptions.find((opt) => opt.value === user.userType)?.label || user.userType}
                </span>
              </div>
            </div>
          </div>

          {/* 권한 선택 */}
          <div className="space-y-2">
            <Label htmlFor="userType" className="text-sm font-medium">
              새로운 권한 <span className="text-red-500">*</span>
            </Label>
            <Select value={selectedUserType} onValueChange={setSelectedUserType}>
              <SelectTrigger className="h-10">
                <SelectValue placeholder="권한 선택" />
              </SelectTrigger>
              <SelectContent>
                {userTypeOptions.map((option) => (
                  <SelectItem key={option.value} value={option.value}>
                    <div className="flex items-center gap-2">
                      <span className={option.color}>{option.icon}</span>
                      <span>{option.label}</span>
                    </div>
                  </SelectItem>
                ))}
              </SelectContent>
            </Select>
            {selectedOption && <p className="text-muted-foreground text-xs">{selectedOption.description}</p>}
          </div>

          {/* SUPER_ADMIN 경고 */}
          {showConfirmation && selectedUserType === "SUPER_ADMIN" && (
            <div className="rounded-lg border border-orange-300 bg-orange-50 p-4">
              <div className="flex items-start gap-3">
                <AlertTriangle className="mt-0.5 h-5 w-5 flex-shrink-0 text-orange-600" />
                <div className="space-y-2">
                  <p className="text-sm font-semibold text-orange-900">최고 관리자 권한 부여 경고</p>
                  <p className="text-xs text-orange-800">
                    최고 관리자 권한은 모든 회사 데이터에 접근하고, DDL을 실행하며, 회사를 생성/삭제할 수 있는 최상위
                    권한입니다. 신중하게 부여해주세요.
                  </p>
                </div>
              </div>
            </div>
          )}
        </div>

        <DialogFooter className="gap-2 sm:gap-0">
          <Button
            variant="outline"
            onClick={onClose}
            disabled={isLoading}
            className="h-8 flex-1 text-xs sm:h-10 sm:flex-none sm:text-sm"
          >
            취소
          </Button>
          <Button
            onClick={handleSave}
            disabled={isLoading || !isUserTypeChanged}
            className="h-8 flex-1 text-xs sm:h-10 sm:flex-none sm:text-sm"
          >
            {isLoading ? "처리중..." : showConfirmation ? "확인 및 저장" : "저장"}
          </Button>
        </DialogFooter>
      </DialogContent>
    </Dialog>
  );
}