// 품목기준관리 API 타입 정의
// API 응답 기준 snake_case 사용

// ============================================
// 공통 타입
// ============================================

/**
 * 표준 API 응답 래퍼
 */
export interface ApiResponse<T> {
  success: boolean;
  message: string;
  data: T;
}

/**
 * 페이지네이션 메타데이터
 */
export interface PaginationMeta {
  current_page: number;
  per_page: number;
  total: number;
  last_page: number;
}

// ============================================
// 초기화 API
// ============================================

/**
 * 초기화 API 응답 - 화면 진입 시 전체 데이터 로드
 * GET /v1/item-master/init
 */
export interface InitResponse {
  pages: ItemPageResponse[];
  sectionTemplates: SectionTemplateResponse[];
  masterFields: MasterFieldResponse[];
  customTabs: CustomTabResponse[];
  tabColumns: Record<number, TabColumnResponse[]>; // tab_id를 key로 사용
  unitOptions: UnitOptionResponse[];
}

// ============================================
// 페이지 관리
// ============================================

/**
 * 페이지 생성/수정 요청
 * POST /v1/item-master/pages
 * PUT /v1/item-master/pages/{id}
 */
export interface ItemPageRequest {
  page_name: string;
  item_type: 'FG' | 'PT' | 'SM' | 'RM' | 'CS';
  absolute_path?: string;
  is_active?: boolean;
}

/**
 * 페이지 응답
 */
export interface ItemPageResponse {
  id: number;
  tenant_id: number;
  page_name: string;
  item_type: string;
  absolute_path: string | null;
  is_active: boolean;
  created_by: number | null;
  updated_by: number | null;
  created_at: string;
  updated_at: string;
  sections?: ItemSectionResponse[]; // Nested 조회 시 포함
}

/**
 * 페이지 순서 변경 요청
 * PUT /v1/item-master/pages/reorder (향후 구현 가능성)
 */
export interface PageReorderRequest {
  page_orders: Array<{
    id: number;
    order_no: number;
  }>;
}

// ============================================
// 섹션 관리
// ============================================

/**
 * 섹션 생성/수정 요청
 * POST /v1/item-master/pages/{pageId}/sections
 * PUT /v1/item-master/sections/{id}
 */
export interface ItemSectionRequest {
  title: string;
  type: 'fields' | 'bom';
}

/**
 * 섹션 응답
 */
export interface ItemSectionResponse {
  id: number;
  tenant_id: number;
  page_id: number;
  title: string;
  type: 'fields' | 'bom';
  order_no: number;
  created_by: number | null;
  updated_by: number | null;
  created_at: string;
  updated_at: string;
  fields?: ItemFieldResponse[]; // Nested 조회 시 포함
  bomItems?: BomItemResponse[]; // Nested 조회 시 포함
}

/**
 * 섹션 순서 변경 요청
 * PUT /v1/item-master/pages/{pageId}/sections/reorder
 */
export interface SectionReorderRequest {
  section_orders: Array<{
    id: number;
    order_no: number;
  }>;
}

// ============================================
// 필드 관리
// ============================================

/**
 * 필드 생성/수정 요청
 * POST /v1/item-master/sections/{sectionId}/fields
 * PUT /v1/item-master/fields/{id}
 */
export interface ItemFieldRequest {
  field_name: string;
  field_type: 'textbox' | 'number' | 'dropdown' | 'checkbox' | 'date' | 'textarea';
  is_required?: boolean;
  placeholder?: string;
  default_value?: string;
  display_condition?: Record<string, any>; // {"field_id": "1", "operator": "equals", "value": "true"}
  validation_rules?: Record<string, any>; // {"min": 0, "max": 100, "pattern": "regex"}
  options?: Array<{ label: string; value: string }>; // dropdown 옵션
  properties?: Record<string, any>; // {"unit": "mm", "precision": 2, "format": "YYYY-MM-DD"}
}

/**
 * 필드 응답
 */
export interface ItemFieldResponse {
  id: number;
  tenant_id: number;
  section_id: number;
  master_field_id?: number | null; // 마스터 항목 ID (마스터에서 가져온 경우)
  field_name: string;
  field_type: 'textbox' | 'number' | 'dropdown' | 'checkbox' | 'date' | 'textarea';
  order_no: number;
  is_required: boolean;
  placeholder: string | null;
  default_value: string | null;
  display_condition: Record<string, any> | null;
  validation_rules: Record<string, any> | null;
  options: Array<{ label: string; value: string }> | null;
  properties: Record<string, any> | null;
  created_by: number | null;
  updated_by: number | null;
  created_at: string;
  updated_at: string;
}

/**
 * 필드 순서 변경 요청
 * PUT /v1/item-master/sections/{sectionId}/fields/reorder
 */
export interface FieldReorderRequest {
  field_orders: Array<{
    id: number;
    order_no: number;
  }>;
}

// ============================================
// BOM 관리
// ============================================

/**
 * BOM 항목 생성/수정 요청
 * POST /v1/item-master/sections/{sectionId}/bom-items
 * PUT /v1/item-master/bom-items/{id}
 */
export interface BomItemRequest {
  item_code?: string;
  item_name: string;
  quantity: number;
  unit?: string;
  unit_price?: number;
  total_price?: number;
  spec?: string;
  note?: string;
}

/**
 * BOM 항목 응답
 */
export interface BomItemResponse {
  id: number;
  tenant_id: number;
  section_id: number;
  item_code: string | null;
  item_name: string;
  quantity: number;
  unit: string | null;
  unit_price: number | null;
  total_price: number | null;
  spec: string | null;
  note: string | null;
  created_by: number | null;
  updated_by: number | null;
  created_at: string;
  updated_at: string;
}

// ============================================
// 섹션 템플릿
// ============================================

/**
 * 섹션 템플릿 생성/수정 요청
 * POST /v1/item-master/section-templates
 * PUT /v1/item-master/section-templates/{id}
 */
export interface SectionTemplateRequest {
  title: string;
  type: 'fields' | 'bom';
  description?: string;
  is_default?: boolean;
}

/**
 * 섹션 템플릿 응답
 */
export interface SectionTemplateResponse {
  id: number;
  tenant_id: number;
  title: string;
  type: 'fields' | 'bom';
  description: string | null;
  is_default: boolean;
  created_by: number | null;
  updated_by: number | null;
  created_at: string;
  updated_at: string;
}

// ============================================
// 마스터 필드
// ============================================

/**
 * 마스터 필드 생성/수정 요청
 * POST /v1/item-master/master-fields
 * PUT /v1/item-master/master-fields/{id}
 */
export interface MasterFieldRequest {
  field_name: string;
  field_type: 'textbox' | 'number' | 'dropdown' | 'checkbox' | 'date' | 'textarea';
  category?: string;
  description?: string;
  is_common?: boolean;
  default_value?: string;
  options?: Array<{ label: string; value: string }>;
  validation_rules?: Record<string, any>;
  properties?: Record<string, any>;
}

/**
 * 마스터 필드 응답
 */
export interface MasterFieldResponse {
  id: number;
  tenant_id: number;
  field_name: string;
  field_type: 'textbox' | 'number' | 'dropdown' | 'checkbox' | 'date' | 'textarea';
  category: string | null;
  description: string | null;
  is_common: boolean;
  default_value: string | null;
  options: Array<{ label: string; value: string }> | null;
  validation_rules: Record<string, any> | null;
  properties: Record<string, any> | null;
  created_by: number | null;
  updated_by: number | null;
  created_at: string;
  updated_at: string;
}

// ============================================
// 커스텀 탭
// ============================================

/**
 * 커스텀 탭 생성/수정 요청
 * POST /v1/item-master/custom-tabs
 * PUT /v1/item-master/custom-tabs/{id}
 */
export interface CustomTabRequest {
  label: string;
  icon?: string;
  is_default?: boolean;
}

/**
 * 커스텀 탭 응답
 */
export interface CustomTabResponse {
  id: number;
  tenant_id: number;
  label: string;
  icon: string | null;
  is_default: boolean;
  order_no: number;
  created_by: number | null;
  updated_by: number | null;
  created_at: string;
  updated_at: string;
}

/**
 * 탭 순서 변경 요청
 * PUT /v1/item-master/custom-tabs/reorder
 */
export interface TabReorderRequest {
  tab_orders: Array<{
    id: number;
    order_no: number;
  }>;
}

/**
 * 탭 컬럼 설정 업데이트 요청
 * PUT /v1/item-master/custom-tabs/{id}/columns
 */
export interface TabColumnUpdateRequest {
  columns: Array<{
    key: string;
    label: string;
    visible: boolean;
    order: number;
  }>;
}

/**
 * 탭 컬럼 응답
 */
export interface TabColumnResponse {
  key: string;
  label: string;
  visible: boolean;
  order: number;
}

// ============================================
// 단위 옵션
// ============================================

/**
 * 단위 옵션 생성 요청
 * POST /v1/item-master/units
 */
export interface UnitOptionRequest {
  label: string;
  value: string;
}

/**
 * 단위 옵션 응답
 */
export interface UnitOptionResponse {
  id: number;
  tenant_id: number;
  label: string;
  value: string;
  created_by: number | null;
  created_at: string;
  updated_at: string;
}

// ============================================
// 에러 타입
// ============================================

/**
 * API 에러 응답
 */
export interface ApiErrorResponse {
  success: false;
  message: string;
  errors?: Record<string, string[]>; // Validation 에러
}

/**
 * API 에러 클래스용 타입
 */
export interface ApiErrorData {
  status: number;
  message: string;
  errors?: Record<string, string[]>;
}