// 일반계약 관련 타입 정의

// 1. 계약구분
export const GENERAL_CONTRACT_CATEGORIES = [
  'unit_price', // 단가계약
  'general', // 일반계약
  'sale' // 매각계약
] as const;

export type GeneralContractCategory = typeof GENERAL_CONTRACT_CATEGORIES[number];

// 2. 계약종류
export const GENERAL_CONTRACT_TYPES = [
  'UP',   // 자재단가계약
  'LE',   // 임대차계약
  'IL',   // 개별운송계약
  'AL',   // 연간운송계약
  'OS',   // 외주용역계약
  'OW',   // 도급계약
  'IS',   // 검사계약
  'LO',   // LOI (의향서)
  'FA',   // FA (Frame Agreement)
  'SC',   // 납품합의계약 (Supply Contract)
  'OF',   // 클레임상계계약 (Offset Agreement)
  'AW',   // 사전작업합의 (Advanced Work)
  'AD',   // 사전납품합의 (Advanced Delivery)
  'AM',   // 설계계약
  'SC_SELL' // 폐기물매각계약 (Scrap) - 납품합의계약과 코드 중복으로 별도 명명
] as const;

export type GeneralContractType = typeof GENERAL_CONTRACT_TYPES[number];

// 3. 계약상태
export const GENERAL_CONTRACT_STATUSES = [
  'Draft', // 임시 저장
  'Request to Review', // 조건검토요청
  'Confirm to Review', // 조건검토완료
  'Contract Accept Request', // 계약승인요청
  'Complete the Contract', // 계약체결(승인)
  'Reject to Accept Contract', // 계약승인거절
  'Contract Delete', // 계약폐기
  'PCR Request', // PCR요청
  'VO Request', // VO 요청
  'PCR Accept', // PCR승인
  'PCR Reject' // PCR거절
] as const;

export type GeneralContractStatus = typeof GENERAL_CONTRACT_STATUSES[number];

// 4. 체결방식
export const GENERAL_EXECUTION_METHODS = [
  '전자계약', 
  '오프라인계약'
] as const;

export type GeneralExecutionMethod = typeof GENERAL_EXECUTION_METHODS[number];

// 6. 계약확정범위
export const GENERAL_CONTRACT_SCOPES = [
  '단가', 
  '금액', 
  '물량', 
  '기타'
] as const;

export type GeneralContractScope = typeof GENERAL_CONTRACT_SCOPES[number];

// 7. 납기종류
export const GENERAL_DELIVERY_TYPES = [
  '단일납기', 
  '분할납기', 
  '구간납기'
] as const;

export type GeneralDeliveryType = typeof GENERAL_DELIVERY_TYPES[number];

// 8. 연동제 적용 여부
export const GENERAL_LINKAGE_TYPES = [
  'Y', 
  'N'
] as const;

export type GeneralLinkageType = typeof GENERAL_LINKAGE_TYPES[number];

// 9. 하도급법 점검결과
export const GENERAL_COMPLIANCE_RESULTS = [
  '준수', 
  '위반', 
  '위반의심'
] as const;

export type GeneralComplianceResult = typeof GENERAL_COMPLIANCE_RESULTS[number];

// 타입 가드 함수들
export const isGeneralContractCategory = (value: string): value is GeneralContractCategory => {
  return GENERAL_CONTRACT_CATEGORIES.includes(value as GeneralContractCategory);
};

export const isGeneralContractType = (value: string): value is GeneralContractType => {
  return GENERAL_CONTRACT_TYPES.includes(value as GeneralContractType);
};

export const isGeneralContractStatus = (value: string): value is GeneralContractStatus => {
  return GENERAL_CONTRACT_STATUSES.includes(value as GeneralContractStatus);
};

export const isGeneralExecutionMethod = (value: string): value is GeneralExecutionMethod => {
  return GENERAL_EXECUTION_METHODS.includes(value as GeneralExecutionMethod);
};

export const isGeneralContractScope = (value: string): value is GeneralContractScope => {
  return GENERAL_CONTRACT_SCOPES.includes(value as GeneralContractScope);
};

export const isGeneralDeliveryType = (value: string): value is GeneralDeliveryType => {
  return GENERAL_DELIVERY_TYPES.includes(value as GeneralDeliveryType);
};

export const isGeneralLinkageType = (value: string): value is GeneralLinkageType => {
  return GENERAL_LINKAGE_TYPES.includes(value as GeneralLinkageType);
};

export const isGeneralComplianceResult = (value: string): value is GeneralComplianceResult => {
  return GENERAL_COMPLIANCE_RESULTS.includes(value as GeneralComplianceResult);
};