/**
 * 채번 규칙 관리 API 클라이언트
 */

import { apiClient } from "./client";
import { NumberingRuleConfig } from "@/types/numbering-rule";

export interface ApiResponse<T> {
  success: boolean;
  data?: T;
  error?: string;
  message?: string;
}

export async function getNumberingRules(): Promise<ApiResponse<NumberingRuleConfig[]>> {
  try {
    const response = await apiClient.get("/numbering-rules");
    return response.data;
  } catch (error: any) {
    return { success: false, error: error.message || "규칙 목록 조회 실패" };
  }
}

/**
 * 메뉴별 사용 가능한 채번 규칙 조회
 * @param menuObjid 현재 메뉴의 objid (선택)
 * @returns 사용 가능한 채번 규칙 목록
 */
export async function getAvailableNumberingRules(
  menuObjid?: number
): Promise<ApiResponse<NumberingRuleConfig[]>> {
  try {
    const url = menuObjid
      ? `/numbering-rules/available/${menuObjid}`
      : "/numbering-rules/available";
    const response = await apiClient.get(url);
    return response.data;
  } catch (error: any) {
    return { success: false, error: error.message || "사용 가능한 규칙 조회 실패" };
  }
}

export async function getNumberingRuleById(ruleId: string): Promise<ApiResponse<NumberingRuleConfig>> {
  try {
    const response = await apiClient.get(`/numbering-rules/${ruleId}`);
    return response.data;
  } catch (error: any) {
    return { success: false, error: error.message || "규칙 조회 실패" };
  }
}

export async function createNumberingRule(
  config: NumberingRuleConfig
): Promise<ApiResponse<NumberingRuleConfig>> {
  try {
    const response = await apiClient.post("/numbering-rules", config);
    return response.data;
  } catch (error: any) {
    return { success: false, error: error.message || "규칙 생성 실패" };
  }
}

export async function updateNumberingRule(
  ruleId: string,
  config: Partial<NumberingRuleConfig>
): Promise<ApiResponse<NumberingRuleConfig>> {
  try {
    const response = await apiClient.put(`/numbering-rules/${ruleId}`, config);
    return response.data;
  } catch (error: any) {
    return { success: false, error: error.message || "규칙 수정 실패" };
  }
}

export async function deleteNumberingRule(ruleId: string): Promise<ApiResponse<void>> {
  try {
    const response = await apiClient.delete(`/numbering-rules/${ruleId}`);
    return response.data;
  } catch (error: any) {
    return { success: false, error: error.message || "규칙 삭제 실패" };
  }
}

/**
 * 코드 미리보기 (순번 증가 없음)
 * 화면 표시용으로 사용
 */
export async function previewNumberingCode(
  ruleId: string
): Promise<ApiResponse<{ generatedCode: string }>> {
  try {
    const response = await apiClient.post(`/numbering-rules/${ruleId}/preview`);
    return response.data;
  } catch (error: any) {
    return { success: false, error: error.message || "코드 미리보기 실패" };
  }
}

/**
 * 코드 할당 (저장 시점에 실제 순번 증가)
 * 실제 저장할 때만 호출
 */
export async function allocateNumberingCode(
  ruleId: string
): Promise<ApiResponse<{ generatedCode: string }>> {
  try {
    const response = await apiClient.post(`/numbering-rules/${ruleId}/allocate`);
    return response.data;
  } catch (error: any) {
    return { success: false, error: error.message || "코드 할당 실패" };
  }
}

/**
 * @deprecated 기존 generateNumberingCode는 previewNumberingCode를 사용하세요
 */
export async function generateNumberingCode(
  ruleId: string
): Promise<ApiResponse<{ generatedCode: string }>> {
  console.warn("generateNumberingCode는 deprecated. previewNumberingCode 사용 권장");
  return previewNumberingCode(ruleId);
}

// 하위 호환성을 위한 별칭
export const generateCode = generateNumberingCode;

export async function resetSequence(ruleId: string): Promise<ApiResponse<void>> {
  try {
    const response = await apiClient.post(`/numbering-rules/${ruleId}/reset`);
    return response.data;
  } catch (error: any) {
    return { success: false, error: error.message || "시퀀스 초기화 실패" };
  }
}