/**
 * 작업지시 관리 서버 액션
 *
 * API Endpoints:
 * - GET /api/v1/work-orders - 목록 조회
 * - GET /api/v1/work-orders/stats - 통계 조회
 * - GET /api/v1/work-orders/{id} - 상세 조회
 * - POST /api/v1/work-orders - 등록
 * - PUT /api/v1/work-orders/{id} - 수정
 * - DELETE /api/v1/work-orders/{id} - 삭제
 * - PATCH /api/v1/work-orders/{id}/status - 상태 변경
 * - PATCH /api/v1/work-orders/{id}/assign - 담당자 배정
 * - PATCH /api/v1/work-orders/{id}/bending/toggle - 벤딩 필드 토글
 * - POST /api/v1/work-orders/{id}/issues - 이슈 등록
 * - PATCH /api/v1/work-orders/{id}/issues/{issueId}/resolve - 이슈 해결
 * - PATCH /api/v1/work-orders/{id}/items/{itemId}/status - 품목 상태 변경
 */

'use server';


import { isNextRedirectError } from '@/lib/utils/redirect-error';
import { serverFetch } from '@/lib/api/fetch-wrapper';
import { buildApiUrl } from '@/lib/api/query-params';
import type {
  WorkOrder,
  WorkOrderStats,
  WorkOrderStatus,
  WorkOrderApiPaginatedResponse,
  WorkOrderStatsApi,
} from './types';
import {
  transformApiToFrontend,
  transformFrontendToApi,
  transformStatsApiToFrontend,
} from './types';

// ===== 페이지네이션 타입 =====
interface PaginationMeta {
  currentPage: number;
  lastPage: number;
  perPage: number;
  total: number;
}

// ===== 작업지시 목록 조회 =====
export async function getWorkOrders(params?: {
  page?: number;
  perPage?: number;
  status?: WorkOrderStatus | 'all';
  processId?: number | 'all' | 'none';  // 공정 ID (FK → processes.id), 'none' = 미지정
  processType?: 'screen' | 'slat' | 'bending'; // 공정 타입 필터
  priority?: string;  // 우선순위 필터 (urgent/priority/normal)
  search?: string;
  startDate?: string;
  endDate?: string;
}): Promise<{
  success: boolean;
  data: WorkOrder[];
  pagination: PaginationMeta;
  error?: string;
}> {
  const emptyResponse = {
    success: false,
    data: [] as WorkOrder[],
    pagination: { currentPage: 1, lastPage: 1, perPage: 20, total: 0 },
  };

  try {
    const url = buildApiUrl('/api/v1/work-orders', {
      page: params?.page,
      per_page: params?.perPage,
      status: params?.status && params.status !== 'all' ? params.status : undefined,
      // 'none': 공정 미지정 필터 (process_id IS NULL), 'all': 제외
      process_id: params?.processId && params.processId !== 'all' ? String(params.processId) : undefined,
      process_type: params?.processType,
      priority: params?.priority && params.priority !== 'all' ? params.priority : undefined,
      search: params?.search,
      start_date: params?.startDate,
      end_date: params?.endDate,
    });

    const { response, error } = await serverFetch(url, { method: 'GET' });

    if (error || !response) {
      return { ...emptyResponse, error: error?.message || 'API 요청 실패' };
    }

    if (!response.ok) {
      console.warn('[WorkOrderActions] GET work-orders error:', response.status);
      return { ...emptyResponse, error: `API 오류: ${response.status}` };
    }

    const result = await response.json();

    if (!result.success) {
      return {
        ...emptyResponse,
        error: result.message || '작업지시 목록 조회에 실패했습니다.',
      };
    }

    const paginatedData: WorkOrderApiPaginatedResponse = result.data || {
      data: [],
      current_page: 1,
      last_page: 1,
      per_page: 20,
      total: 0,
    };

    const workOrders = (paginatedData.data || []).map(transformApiToFrontend);

    return {
      success: true,
      data: workOrders,
      pagination: {
        currentPage: paginatedData.current_page,
        lastPage: paginatedData.last_page,
        perPage: paginatedData.per_page,
        total: paginatedData.total,
      },
    };
  } catch (error) {
    if (isNextRedirectError(error)) throw error;
    console.error('[WorkOrderActions] getWorkOrders error:', error);
    return { ...emptyResponse, error: '서버 오류가 발생했습니다.' };
  }
}

// ===== 작업지시 통계 조회 =====
export async function getWorkOrderStats(): Promise<{
  success: boolean;
  data?: WorkOrderStats;
  error?: string;
}> {
  try {
    const url = buildApiUrl('/api/v1/work-orders/stats');


    const { response, error } = await serverFetch(url, { method: 'GET' });

    if (error || !response) {
      return { success: false, error: error?.message || 'API 요청 실패' };
    }

    if (!response.ok) {
      console.warn('[WorkOrderActions] GET stats error:', response.status);
      return { success: false, error: `API 오류: ${response.status}` };
    }

    const result = await response.json();

    if (!result.success) {
      return {
        success: false,
        error: result.message || '통계 조회에 실패했습니다.',
      };
    }

    const statsApi: WorkOrderStatsApi = result.data;

    return {
      success: true,
      data: transformStatsApiToFrontend(statsApi),
    };
  } catch (error) {
    if (isNextRedirectError(error)) throw error;
    console.error('[WorkOrderActions] getWorkOrderStats error:', error);
    return { success: false, error: '서버 오류가 발생했습니다.' };
  }
}

// ===== 작업지시 상세 조회 =====
export async function getWorkOrderById(id: string): Promise<{
  success: boolean;
  data?: WorkOrder;
  error?: string;
}> {
  try {
    const url = buildApiUrl(`/api/v1/work-orders/${id}`);


    const { response, error } = await serverFetch(url, { method: 'GET' });

    if (error || !response) {
      return { success: false, error: error?.message || 'API 요청 실패' };
    }

    if (!response.ok) {
      console.error('[WorkOrderActions] GET work-order error:', response.status);
      return { success: false, error: `API 오류: ${response.status}` };
    }

    const result = await response.json();

    if (!result.success || !result.data) {
      return {
        success: false,
        error: result.message || '작업지시 조회에 실패했습니다.',
      };
    }

    return {
      success: true,
      data: transformApiToFrontend(result.data),
    };
  } catch (error) {
    if (isNextRedirectError(error)) throw error;
    console.error('[WorkOrderActions] getWorkOrderById error:', error);
    return { success: false, error: '서버 오류가 발생했습니다.' };
  }
}

// ===== 작업지시 등록 =====
export async function createWorkOrder(
  data: Partial<WorkOrder> & {
    salesOrderId?: number;
    assigneeId?: number;      // 단일 담당자 (하위 호환)
    assigneeIds?: number[];   // 다중 담당자
    teamId?: number;
    items?: Array<{           // 수동 등록 시 품목 목록
      item_id?: number;
      item_name: string;
      specification?: string;
      quantity?: number;
      unit?: string;
    }>;
  }
): Promise<{ success: boolean; data?: WorkOrder; error?: string }> {
  try {
    // 다중 담당자 우선, 없으면 단일 담당자 배열로 변환
    const assigneeIds = data.assigneeIds && data.assigneeIds.length > 0
      ? data.assigneeIds
      : data.assigneeId
        ? [data.assigneeId]
        : undefined;

    const apiData = {
      ...transformFrontendToApi(data),
      sales_order_id: data.salesOrderId,
      assignee_ids: assigneeIds,  // 배열로 전송
      team_id: data.teamId,
      ...(data.items && data.items.length > 0 ? { items: data.items } : {}),
    };


    const { response, error } = await serverFetch(
      buildApiUrl('/api/v1/work-orders'),
      {
        method: 'POST',
        body: JSON.stringify(apiData),
      }
    );

    if (error || !response) {
      return { success: false, error: error?.message || 'API 요청 실패' };
    }

    const result = await response.json();

    if (!response.ok || !result.success) {
      return {
        success: false,
        error: result.message || '작업지시 등록에 실패했습니다.',
      };
    }

    return {
      success: true,
      data: transformApiToFrontend(result.data),
    };
  } catch (error) {
    if (isNextRedirectError(error)) throw error;
    console.error('[WorkOrderActions] createWorkOrder error:', error);
    return { success: false, error: '서버 오류가 발생했습니다.' };
  }
}

// ===== 품목 검색 (수동 등록용) =====
export interface ManualItemOption {
  id: number;
  code: string;
  name: string;
  specification: string;
  unit: string;
  itemCategory: string;
}

export async function searchItemsForWorkOrder(
  query?: string,
  itemCategory?: string
): Promise<{ success: boolean; data: ManualItemOption[] }> {
  try {
    const { response, error } = await serverFetch(
      buildApiUrl('/api/v1/items', {
        search: query,
        item_category: itemCategory,
        per_page: 50,
      }),
      { method: 'GET' }
    );

    if (error || !response) {
      return { success: false, data: [] };
    }

    const result = await response.json();
    if (!response.ok || !result.success) {
      return { success: false, data: [] };
    }

    const items: ManualItemOption[] = (result.data?.data || []).map((item: Record<string, unknown>) => ({
      id: item.id as number,
      code: (item.item_code || item.code) as string,
      name: (item.item_name || item.name) as string,
      specification: (item.specification || '') as string,
      unit: (item.unit || 'EA') as string,
      itemCategory: (item.item_category || '') as string,
    }));

    return { success: true, data: items };
  } catch (error) {
    if (isNextRedirectError(error)) throw error;
    console.error('[WorkOrderActions] searchItemsForWorkOrder error:', error);
    return { success: false, data: [] };
  }
}

// ===== 작업지시 수정 =====
export async function updateWorkOrder(
  id: string,
  data: Partial<WorkOrder> & { assigneeIds?: number[] }
): Promise<{ success: boolean; data?: WorkOrder; error?: string }> {
  try {
    const apiData = transformFrontendToApi(data);


    const { response, error } = await serverFetch(
      buildApiUrl(`/api/v1/work-orders/${id}`),
      {
        method: 'PUT',
        body: JSON.stringify(apiData),
      }
    );

    if (error || !response) {
      return { success: false, error: error?.message || 'API 요청 실패' };
    }

    const result = await response.json();

    if (!response.ok || !result.success) {
      return {
        success: false,
        error: result.message || '작업지시 수정에 실패했습니다.',
      };
    }

    return {
      success: true,
      data: transformApiToFrontend(result.data),
    };
  } catch (error) {
    if (isNextRedirectError(error)) throw error;
    console.error('[WorkOrderActions] updateWorkOrder error:', error);
    return { success: false, error: '서버 오류가 발생했습니다.' };
  }
}

// ===== 작업지시 삭제 =====
export async function deleteWorkOrder(id: string): Promise<{ success: boolean; error?: string }> {
  try {
    const { response, error } = await serverFetch(
      buildApiUrl(`/api/v1/work-orders/${id}`),
      { method: 'DELETE' }
    );

    if (error || !response) {
      return { success: false, error: error?.message || 'API 요청 실패' };
    }

    const result = await response.json();

    if (!response.ok || !result.success) {
      return {
        success: false,
        error: result.message || '작업지시 삭제에 실패했습니다.',
      };
    }

    return { success: true };
  } catch (error) {
    if (isNextRedirectError(error)) throw error;
    console.error('[WorkOrderActions] deleteWorkOrder error:', error);
    return { success: false, error: '서버 오류가 발생했습니다.' };
  }
}

// ===== 작업지시 상태 변경 =====
export async function updateWorkOrderStatus(
  id: string,
  status: WorkOrderStatus
): Promise<{ success: boolean; data?: WorkOrder; error?: string }> {
  try {

    const { response, error } = await serverFetch(
      buildApiUrl(`/api/v1/work-orders/${id}/status`),
      {
        method: 'PATCH',
        body: JSON.stringify({ status }),
      }
    );

    if (error || !response) {
      return { success: false, error: error?.message || 'API 요청 실패' };
    }

    const result = await response.json();

    if (!response.ok || !result.success) {
      return {
        success: false,
        error: result.message || '상태 변경에 실패했습니다.',
      };
    }

    return {
      success: true,
      data: transformApiToFrontend(result.data),
    };
  } catch (error) {
    if (isNextRedirectError(error)) throw error;
    console.error('[WorkOrderActions] updateWorkOrderStatus error:', error);
    return { success: false, error: '서버 오류가 발생했습니다.' };
  }
}

// ===== 담당자 배정 =====
export async function assignWorkOrder(
  id: string,
  assigneeIds: number | number[],  // 단일 또는 다중 담당자
  teamId?: number
): Promise<{ success: boolean; data?: WorkOrder; error?: string }> {
  try {
    // 배열로 통일
    const ids = Array.isArray(assigneeIds) ? assigneeIds : [assigneeIds];
    const body: { assignee_ids: number[]; team_id?: number } = { assignee_ids: ids };
    if (teamId) body.team_id = teamId;


    const { response, error } = await serverFetch(
      buildApiUrl(`/api/v1/work-orders/${id}/assign`),
      {
        method: 'PATCH',
        body: JSON.stringify(body),
      }
    );

    if (error || !response) {
      return { success: false, error: error?.message || 'API 요청 실패' };
    }

    const result = await response.json();

    if (!response.ok || !result.success) {
      return {
        success: false,
        error: result.message || '담당자 배정에 실패했습니다.',
      };
    }

    return {
      success: true,
      data: transformApiToFrontend(result.data),
    };
  } catch (error) {
    if (isNextRedirectError(error)) throw error;
    console.error('[WorkOrderActions] assignWorkOrder error:', error);
    return { success: false, error: '서버 오류가 발생했습니다.' };
  }
}

// ===== 벤딩 필드 토글 =====
export async function toggleBendingField(
  id: string,
  field: string
): Promise<{ success: boolean; data?: WorkOrder; error?: string }> {
  try {

    const { response, error } = await serverFetch(
      buildApiUrl(`/api/v1/work-orders/${id}/bending/toggle`),
      {
        method: 'PATCH',
        body: JSON.stringify({ field }),
      }
    );

    if (error || !response) {
      return { success: false, error: error?.message || 'API 요청 실패' };
    }

    const result = await response.json();

    if (!response.ok || !result.success) {
      return {
        success: false,
        error: result.message || '벤딩 필드 토글에 실패했습니다.',
      };
    }

    return {
      success: true,
      data: transformApiToFrontend(result.data),
    };
  } catch (error) {
    if (isNextRedirectError(error)) throw error;
    console.error('[WorkOrderActions] toggleBendingField error:', error);
    return { success: false, error: '서버 오류가 발생했습니다.' };
  }
}

// ===== 이슈 등록 =====
export async function addWorkOrderIssue(
  id: string,
  data: {
    title: string;
    description?: string;
    priority?: 'low' | 'medium' | 'high';
  }
): Promise<{ success: boolean; data?: WorkOrder; error?: string }> {
  try {

    const { response, error } = await serverFetch(
      buildApiUrl(`/api/v1/work-orders/${id}/issues`),
      {
        method: 'POST',
        body: JSON.stringify(data),
      }
    );

    if (error || !response) {
      return { success: false, error: error?.message || 'API 요청 실패' };
    }

    const result = await response.json();

    if (!response.ok || !result.success) {
      return {
        success: false,
        error: result.message || '이슈 등록에 실패했습니다.',
      };
    }

    return {
      success: true,
      data: transformApiToFrontend(result.data),
    };
  } catch (error) {
    if (isNextRedirectError(error)) throw error;
    console.error('[WorkOrderActions] addWorkOrderIssue error:', error);
    return { success: false, error: '서버 오류가 발생했습니다.' };
  }
}

// ===== 이슈 해결 =====
export async function resolveWorkOrderIssue(
  workOrderId: string,
  issueId: string
): Promise<{ success: boolean; data?: WorkOrder; error?: string }> {
  try {

    const { response, error } = await serverFetch(
      buildApiUrl(`/api/v1/work-orders/${workOrderId}/issues/${issueId}/resolve`),
      { method: 'PATCH' }
    );

    if (error || !response) {
      return { success: false, error: error?.message || 'API 요청 실패' };
    }

    const result = await response.json();

    if (!response.ok || !result.success) {
      return {
        success: false,
        error: result.message || '이슈 해결 처리에 실패했습니다.',
      };
    }

    return {
      success: true,
      data: transformApiToFrontend(result.data),
    };
  } catch (error) {
    if (isNextRedirectError(error)) throw error;
    console.error('[WorkOrderActions] resolveWorkOrderIssue error:', error);
    return { success: false, error: '서버 오류가 발생했습니다.' };
  }
}

// ===== 품목 상태 변경 =====
export type WorkOrderItemStatus = 'waiting' | 'in_progress' | 'completed';

export async function updateWorkOrderItemStatus(
  workOrderId: string,
  itemId: number,
  status: WorkOrderItemStatus
): Promise<{
  success: boolean;
  itemId: number;
  status: WorkOrderItemStatus;
  workOrderStatus?: string;
  workOrderStatusChanged?: boolean;
  error?: string;
}> {
  try {

    const { response, error } = await serverFetch(
      buildApiUrl(`/api/v1/work-orders/${workOrderId}/items/${itemId}/status`),
      {
        method: 'PATCH',
        body: JSON.stringify({ status }),
      }
    );

    if (error || !response) {
      return { success: false, itemId, status, error: error?.message || 'API 요청 실패' };
    }

    const result = await response.json();

    if (!response.ok || !result.success) {
      return {
        success: false,
        itemId,
        status,
        error: result.message || '품목 상태 변경에 실패했습니다.',
      };
    }

    return {
      success: true,
      itemId,
      status: result.data?.item?.status || status,
      workOrderStatus: result.data?.work_order_status,
      workOrderStatusChanged: result.data?.work_order_status_changed || false,
    };
  } catch (error) {
    if (isNextRedirectError(error)) throw error;
    console.error('[WorkOrderActions] updateWorkOrderItemStatus error:', error);
    return { success: false, itemId, status, error: '서버 오류가 발생했습니다.' };
  }
}

// ===== 중간검사 성적서 데이터 조회 =====
export interface InspectionReportItem {
  id: number;
  item_name: string;
  specification: string;
  quantity: number;
  sort_order: number;
  status: string;
  options: Record<string, unknown> | null;
  inspection_data: Record<string, unknown> | null;
}

export interface InspectionReportNodeGroup {
  node_id: number | null;
  node_name: string;
  floor: string;
  code: string;
  width: number;
  height: number;
  total_quantity: number;
  options: Record<string, unknown>;
  items: InspectionReportItem[];
}

export interface InspectionReportData {
  work_order: {
    id: number;
    order_no: string;
    status: string;
    planned_date: string | null;
    due_date: string | null;
  };
  order: {
    id: number;
    order_no: string;
    client_name: string | null;
    site_name: string | null;
    order_date: string | null;
  } | null;
  node_groups?: InspectionReportNodeGroup[];
  items: InspectionReportItem[];
  summary: {
    total_items: number;
    inspected_items: number;
    passed_items: number;
    failed_items: number;
  };
}

export async function getInspectionReport(
  workOrderId: string
): Promise<{ success: boolean; data?: InspectionReportData; error?: string }> {
  try {
    const { response, error } = await serverFetch(
      buildApiUrl(`/api/v1/work-orders/${workOrderId}/inspection-report`),
      { method: 'GET' }
    );

    if (error || !response) {
      return { success: false, error: error?.message || 'API 요청 실패' };
    }

    const result = await response.json();

    if (!response.ok || !result.success) {
      return {
        success: false,
        error: result.message || '검사 성적서 데이터를 불러올 수 없습니다.',
      };
    }

    return { success: true, data: result.data };
  } catch (error) {
    if (isNextRedirectError(error)) throw error;
    console.error('[WorkOrderActions] getInspectionReport error:', error);
    return { success: false, error: '서버 오류가 발생했습니다.' };
  }
}

// ===== 중간검사 데이터 저장 (deprecated: WorkerScreen/actions.ts의 saveItemInspection 사용) =====
/** @deprecated WorkerScreen/actions.ts의 saveItemInspection을 사용하세요 */
export async function saveInspectionData(
  workOrderId: string,
  processType: string,
  data: unknown
): Promise<{ success: boolean; error?: string }> {
  try {

    const { response, error } = await serverFetch(
      buildApiUrl(`/api/v1/work-orders/${workOrderId}/inspection`),
      {
        method: 'POST',
        body: JSON.stringify({
          process_type: processType,
          inspection_data: data,
        }),
      }
    );

    if (error || !response) {
      return { success: false, error: error?.message || 'API 요청 실패' };
    }

    const result = await response.json();

    if (!response.ok || !result.success) {
      return {
        success: false,
        error: result.message || '검사 데이터 저장에 실패했습니다.',
      };
    }

    return { success: true };
  } catch (error) {
    if (isNextRedirectError(error)) throw error;
    console.error('[WorkOrderActions] saveInspectionData error:', error);
    return { success: false, error: '서버 오류가 발생했습니다.' };
  }
}

// ===== 검사 문서 템플릿 조회 (document_template 기반) =====
import type { InspectionTemplateData } from '@/components/production/WorkerScreen/types';

export async function getInspectionTemplate(
  workOrderId: string
): Promise<{ success: boolean; data?: InspectionTemplateData; error?: string }> {
  try {
    const { response, error } = await serverFetch(
      buildApiUrl(`/api/v1/work-orders/${workOrderId}/inspection-template`),
      { method: 'GET' }
    );

    if (error || !response) {
      return { success: false, error: error?.message || 'API 요청 실패' };
    }

    const result = await response.json();
    if (!response.ok || !result.success) {
      return { success: false, error: result.message || '검사 템플릿을 불러올 수 없습니다.' };
    }

    return { success: true, data: result.data };
  } catch (error) {
    if (isNextRedirectError(error)) throw error;
    console.error('[WorkOrderActions] getInspectionTemplate error:', error);
    return { success: false, error: '서버 오류가 발생했습니다.' };
  }
}

// ===== 검사 문서 저장 (Document + DocumentData) =====
export async function saveInspectionDocument(
  workOrderId: string,
  data: {
    step_id?: number;
    title?: string;
    data: Record<string, unknown>[];
    approvers?: { role_name: string; user_id?: number }[];
  }
): Promise<{
  success: boolean;
  data?: { document_id: number; document_no: string; status: string };
  error?: string;
}> {
  try {
    const { response, error } = await serverFetch(
      buildApiUrl(`/api/v1/work-orders/${workOrderId}/inspection-document`),
      {
        method: 'POST',
        body: JSON.stringify(data),
      }
    );

    if (error || !response) {
      return { success: false, error: error?.message || 'API 요청 실패' };
    }

    const result = await response.json();
    if (!response.ok || !result.success) {
      return { success: false, error: result.message || '검사 문서 저장에 실패했습니다.' };
    }

    return { success: true, data: result.data };
  } catch (error) {
    if (isNextRedirectError(error)) throw error;
    console.error('[WorkOrderActions] saveInspectionDocument error:', error);
    return { success: false, error: '서버 오류가 발생했습니다.' };
  }
}

// ===== 검사 문서 resolve (기존 문서/템플릿 조회) =====
export async function resolveInspectionDocument(
  workOrderId: string,
  params?: { step_id?: number }
): Promise<{
  success: boolean;
  data?: { mode: 'existing' | 'new'; document?: Record<string, unknown>; template?: Record<string, unknown> };
  error?: string;
}> {
  try {
    const { response, error } = await serverFetch(
      buildApiUrl(`/api/v1/work-orders/${workOrderId}/inspection-resolve`, { step_id: params?.step_id }),
      { method: 'GET' }
    );

    if (error || !response) {
      return { success: false, error: error?.message || 'API 요청 실패' };
    }

    const result = await response.json();
    if (!response.ok || !result.success) {
      return { success: false, error: result.message || '검사 문서 조회에 실패했습니다.' };
    }

    return { success: true, data: result.data };
  } catch (error) {
    if (isNextRedirectError(error)) throw error;
    console.error('[WorkOrderActions] resolveInspectionDocument error:', error);
    return { success: false, error: '서버 오류가 발생했습니다.' };
  }
}

// ===== 수주 목록 조회 (작업지시 생성용) =====
export interface SalesOrderForWorkOrder {
  id: number;
  orderNo: string;
  client: string;
  projectName: string;
  dueDate: string;
  status: string;
  itemCount: number;
  splitCount: number;
}

export async function getSalesOrdersForWorkOrder(params?: {
  q?: string;
  status?: string;
}): Promise<{
  success: boolean;
  data: SalesOrderForWorkOrder[];
  error?: string;
}> {
  try {
    // 작업지시 생성 가능한 상태만 조회 (예: 회계확인 완료)
    const url = buildApiUrl('/api/v1/orders', {
      for_work_order: '1',
      q: params?.q,
      status: params?.status,
    });

    const { response, error } = await serverFetch(url, { method: 'GET' });

    if (error || !response) {
      return { success: false, data: [], error: error?.message || 'API 요청 실패' };
    }

    if (!response.ok) {
      console.warn('[WorkOrderActions] GET orders error:', response.status);
      return { success: false, data: [], error: `API 오류: ${response.status}` };
    }

    const result = await response.json();

    if (!result.success) {
      return {
        success: false,
        data: [],
        error: result.message || '수주 목록 조회에 실패했습니다.',
      };
    }

    // API 응답 변환
    const salesOrders: SalesOrderForWorkOrder[] = (result.data?.data || result.data || []).map(
      (item: {
        id: number;
        order_no: string;
        client?: { name: string };
        project_name?: string;
        due_date?: string;
        status: string;
        items_count?: number;
        split_count?: number;
      }) => ({
        id: item.id,
        orderNo: item.order_no,
        client: item.client?.name || '-',
        projectName: item.project_name || '-',
        dueDate: item.due_date || '-',
        status: item.status,
        itemCount: item.items_count || 0,
        splitCount: item.split_count || 0,
      })
    );

    return {
      success: true,
      data: salesOrders,
    };
  } catch (error) {
    if (isNextRedirectError(error)) throw error;
    console.error('[WorkOrderActions] getSalesOrdersForWorkOrder error:', error);
    return { success: false, data: [], error: '서버 오류가 발생했습니다.' };
  }
}

// ===== 부서 + 사용자 조회 (담당자 선택용) =====
export interface DepartmentUser {
  id: number;
  name: string;
  email: string;
}

export interface DepartmentWithUsers {
  id: number;
  name: string;
  code: string | null;
  users: DepartmentUser[];
  children: DepartmentWithUsers[];
}

export async function getDepartmentsWithUsers(): Promise<{
  success: boolean;
  data: DepartmentWithUsers[];
  error?: string;
}> {
  try {
    const url = buildApiUrl('/api/v1/departments/tree', { with_users: 1 });


    const { response, error } = await serverFetch(url, { method: 'GET' });

    if (error || !response) {
      return { success: false, data: [], error: error?.message || 'API 요청 실패' };
    }

    if (!response.ok) {
      console.warn('[WorkOrderActions] GET departments error:', response.status);
      return { success: false, data: [], error: `API 오류: ${response.status}` };
    }

    const result = await response.json();

    if (!result.success) {
      return {
        success: false,
        data: [],
        error: result.message || '부서 목록 조회에 실패했습니다.',
      };
    }

    // API 응답을 프론트엔드 형식으로 변환
    const transformDepartment = (dept: {
      id: number;
      name: string;
      code: string | null;
      users?: { id: number; name: string; email: string }[];
      children?: unknown[];
    }): DepartmentWithUsers => ({
      id: dept.id,
      name: dept.name,
      code: dept.code,
      users: (dept.users || []).map((u) => ({
        id: u.id,
        name: u.name,
        email: u.email,
      })),
      children: (dept.children || []).map((child) =>
        transformDepartment(child as typeof dept)
      ),
    });

    const departments = (result.data || []).map(transformDepartment);

    return {
      success: true,
      data: departments,
    };
  } catch (error) {
    if (isNextRedirectError(error)) throw error;
    console.error('[WorkOrderActions] getDepartmentsWithUsers error:', error);
    return { success: false, data: [], error: '서버 오류가 발생했습니다.' };
  }
}

// ===== 공정 목록 조회 (작업지시 생성용) =====
export interface ProcessOption {
  id: number;
  processCode: string;
  processName: string;
}

export async function getProcessOptions(): Promise<{
  success: boolean;
  data: ProcessOption[];
  error?: string;
}> {
  try {
    const url = buildApiUrl('/api/v1/processes/options');


    const { response, error } = await serverFetch(url, { method: 'GET' });

    if (error || !response) {
      return { success: false, data: [], error: error?.message || 'API 요청 실패' };
    }

    if (!response.ok) {
      console.warn('[WorkOrderActions] GET process options error:', response.status);
      return { success: false, data: [], error: `API 오류: ${response.status}` };
    }

    const result = await response.json();

    if (!result.success) {
      return {
        success: false,
        data: [],
        error: result.message || '공정 목록 조회에 실패했습니다.',
      };
    }

    // API 응답 변환
    const processes: ProcessOption[] = (result.data || []).map(
      (item: {
        id: number;
        process_code: string;
        process_name: string;
      }) => ({
        id: item.id,
        processCode: item.process_code,
        processName: item.process_name,
      })
    );

    return {
      success: true,
      data: processes,
    };
  } catch (error) {
    if (isNextRedirectError(error)) throw error;
    console.error('[WorkOrderActions] getProcessOptions error:', error);
    return { success: false, data: [], error: '서버 오류가 발생했습니다.' };
  }
}

// ===== 자재 투입 LOT 번호 조회 =====
export interface MaterialInputLot {
  lot_no: string;
  item_code: string;
  item_name: string;
  total_qty: number;
  input_count: number;
  first_input_at: string;
}

export async function getMaterialInputLots(workOrderId: string): Promise<{
  success: boolean;
  data: MaterialInputLot[];
  error?: string;
}> {
  try {
    const { response, error } = await serverFetch(
      buildApiUrl(`/api/v1/work-orders/${workOrderId}/material-input-lots`),
      { method: 'GET' }
    );

    if (error || !response) {
      return { success: false, data: [], error: error?.message || 'API 요청 실패' };
    }

    const result = await response.json();

    if (!response.ok || !result.success) {
      return { success: false, data: [], error: result.message || '투입 LOT 조회에 실패했습니다.' };
    }

    return { success: true, data: result.data || [] };
  } catch (error) {
    if (isNextRedirectError(error)) throw error;
    console.error('[WorkOrderActions] getMaterialInputLots error:', error);
    return { success: false, data: [], error: '서버 오류가 발생했습니다.' };
  }
}