// API 응답 타입
interface ApiResponse<T> {
    success: boolean;
    message: string;
    data: T;
}

// Risk 지표 타입
export interface RiskIndicatorResponse {
    indicatorId: number;
    fieldKey: string;
    fieldName: string;
    description: string;
    conditionRed: string;
    conditionAmber: string;
    conditionGreen: string;
    dataType: string;
}

export interface RiskCategoryResponse {
    categoryCode: string;
    categoryName: string;
    indicators: RiskIndicatorResponse[];
}

// Compliance 지표 타입
export interface ComplianceIndicatorResponse {
    indicatorId: number;
    fieldKey: string;
    fieldName: string;
    description: string;
    conditionRed: string;
    conditionAmber: string;
    conditionGreen: string;
    dataType: string;
}

export interface ComplianceCategoryResponse {
    categoryCode: string;
    categoryName: string;
    indicatorType: string;
    indicators: ComplianceIndicatorResponse[];
}

// 방법론 변경 이력 타입
export interface MethodologyHistoryResponse {
    historyId: number;
    changeDate: string;
    changeTypeCode: string;
    changeType: string;
    description: string;
}

// 값 변경 이력 타입
export interface ChangeHistoryResponse {
    rowIndex: number;
    searchKey: string;
    lastModifiedDate: string;
    changedColumnName: string;
    beforeValue: string;
    afterValue: string;
    fieldName: string;
    narrative: string;
    prevNarrative: string;
    sortOrder: number;
}

// 선박 기본 정보
export interface ShipInfoResponse {
    imoNo: string;
    shipName: string;
    shipStatus: string;
    nationalityCode: string;
    nationalityIsoCode: string | null;
    nationality: string;
    shipType: string;
    dwt: string;
    gt: string;
    buildYear: string;
    mmsiNo: string;
    callSign: string;
    shipTypeGroup: string;
}

// 회사 기본 정보
export interface CompanyInfoResponse {
    companyCode: string;
    fullName: string;
    abbreviation: string;
    status: string;
    parentCompanyCode: string | null;
    parentCompanyName: string | null;
    registrationCountry: string;
    registrationCountryCode: string;
    registrationCountryIsoCode: string | null;
    controlCountry: string | null;
    controlCountryCode: string | null;
    controlCountryIsoCode: string | null;
    foundedDate: string | null;
    email: string | null;
    phone: string | null;
    website: string | null;
}

// 지표 현재 상태
export interface IndicatorStatusResponse {
    columnName: string;
    fieldName: string;
    categoryCode: string;
    category: string;
    value: string | null;
    narrative: string | null;
    sortOrder: number;
}

const BASE = '/snp-global/api/screening-guide';

async function fetchJson<T>(url: string): Promise<T> {
    const res = await fetch(url);
    if (!res.ok) throw new Error(`API Error: ${res.status}`);
    return res.json();
}

export const screeningGuideApi = {
    getRiskIndicators: (lang = 'KO') =>
        fetchJson<ApiResponse<RiskCategoryResponse[]>>(`${BASE}/risk-indicators?lang=${lang}`),
    getComplianceIndicators: (lang = 'KO', type = 'SHIP') =>
        fetchJson<ApiResponse<ComplianceCategoryResponse[]>>(`${BASE}/compliance-indicators?lang=${lang}&type=${type}`),
    getMethodologyHistory: (lang = 'KO') =>
        fetchJson<ApiResponse<MethodologyHistoryResponse[]>>(`${BASE}/methodology-history?lang=${lang}`),
    getMethodologyBanner: (lang = 'KO') =>
        fetchJson<ApiResponse<MethodologyHistoryResponse>>(`${BASE}/methodology-banner?lang=${lang}`),
    getShipRiskHistory: (imoNo: string, lang = 'KO') =>
        fetchJson<ApiResponse<ChangeHistoryResponse[]>>(`${BASE}/history/ship-risk?imoNo=${imoNo}&lang=${lang}`),
    getShipComplianceHistory: (imoNo: string, lang = 'KO') =>
        fetchJson<ApiResponse<ChangeHistoryResponse[]>>(`${BASE}/history/ship-compliance?imoNo=${imoNo}&lang=${lang}`),
    getCompanyComplianceHistory: (companyCode: string, lang = 'KO') =>
        fetchJson<ApiResponse<ChangeHistoryResponse[]>>(`${BASE}/history/company-compliance?companyCode=${companyCode}&lang=${lang}`),
    getShipInfo: (imoNo: string) =>
        fetchJson<ApiResponse<ShipInfoResponse>>(`${BASE}/ship-info?imoNo=${imoNo}`),
    getShipRiskStatus: (imoNo: string, lang = 'KO') =>
        fetchJson<ApiResponse<IndicatorStatusResponse[]>>(`${BASE}/ship-risk-status?imoNo=${imoNo}&lang=${lang}`),
    getShipComplianceStatus: (imoNo: string, lang = 'KO') =>
        fetchJson<ApiResponse<IndicatorStatusResponse[]>>(`${BASE}/ship-compliance-status?imoNo=${imoNo}&lang=${lang}`),
    getCompanyInfo: (companyCode: string) =>
        fetchJson<ApiResponse<CompanyInfoResponse>>(`${BASE}/company-info?companyCode=${companyCode}`),
    getCompanyComplianceStatus: (companyCode: string, lang = 'KO') =>
        fetchJson<ApiResponse<IndicatorStatusResponse[]>>(`${BASE}/company-compliance-status?companyCode=${companyCode}&lang=${lang}`),
};