/**
 * vessel_analysis_results 직접 조회 API 서비스.
 * 백엔드 /api/analysis/* 엔드포인트 연동.
 */

const API_BASE = import.meta.env.VITE_API_URL ?? '/api';

export interface VesselAnalysis {
  id: number;
  mmsi: string;
  analyzedAt: string;
  vesselType: string | null;
  confidence: number | null;
  fishingPct: number | null;
  season: string | null;
  lat: number | null;
  lon: number | null;
  zoneCode: string | null;
  distToBaselineNm: number | null;
  activityState: string | null;
  isDark: boolean | null;
  gapDurationMin: number | null;
  darkPattern: string | null;
  spoofingScore: number | null;
  speedJumpCount: number | null;
  transshipSuspect: boolean | null;
  transshipPairMmsi: string | null;
  transshipDurationMin: number | null;
  fleetClusterId: number | null;
  fleetRole: string | null;
  fleetIsLeader: boolean | null;
  riskScore: number | null;
  riskLevel: string | null;
  gearCode: string | null;
  gearJudgment: string | null;
  permitStatus: string | null;
  features: Record<string, unknown> | null;
}

export interface AnalysisPageResponse {
  content: VesselAnalysis[];
  totalElements: number;
  totalPages: number;
  number: number;
  size: number;
}

/** 분석 결과 목록 조회 */
export async function getAnalysisVessels(params?: {
  mmsi?: string;
  zoneCode?: string;
  riskLevel?: string;
  isDark?: boolean;
  hours?: number;
  page?: number;
  size?: number;
}): Promise<AnalysisPageResponse> {
  const query = new URLSearchParams();
  if (params?.mmsi) query.set('mmsi', params.mmsi);
  if (params?.zoneCode) query.set('zoneCode', params.zoneCode);
  if (params?.riskLevel) query.set('riskLevel', params.riskLevel);
  if (params?.isDark != null) query.set('isDark', String(params.isDark));
  query.set('hours', String(params?.hours ?? 1));
  query.set('page', String(params?.page ?? 0));
  query.set('size', String(params?.size ?? 50));
  const res = await fetch(`${API_BASE}/analysis/vessels?${query}`, { credentials: 'include' });
  if (!res.ok) throw new Error(`API error: ${res.status}`);
  return res.json();
}

/** 특정 선박 최신 분석 결과 */
export async function getAnalysisLatest(mmsi: string): Promise<VesselAnalysis> {
  const res = await fetch(`${API_BASE}/analysis/vessels/${mmsi}`, { credentials: 'include' });
  if (!res.ok) throw new Error(`API error: ${res.status}`);
  return res.json();
}

/** 특정 선박 분석 이력 */
export async function getAnalysisHistory(mmsi: string, hours = 24): Promise<VesselAnalysis[]> {
  const res = await fetch(`${API_BASE}/analysis/vessels/${mmsi}/history?hours=${hours}`, { credentials: 'include' });
  if (!res.ok) throw new Error(`API error: ${res.status}`);
  return res.json();
}

/** 다크 베셀 목록 */
export async function getDarkVessels(params?: {
  hours?: number;
  page?: number;
  size?: number;
}): Promise<AnalysisPageResponse> {
  const query = new URLSearchParams();
  query.set('hours', String(params?.hours ?? 1));
  query.set('page', String(params?.page ?? 0));
  query.set('size', String(params?.size ?? 50));
  const res = await fetch(`${API_BASE}/analysis/dark?${query}`, { credentials: 'include' });
  if (!res.ok) throw new Error(`API error: ${res.status}`);
  return res.json();
}

/** 환적 의심 목록 */
export async function getTransshipSuspects(params?: {
  hours?: number;
  page?: number;
  size?: number;
}): Promise<AnalysisPageResponse> {
  const query = new URLSearchParams();
  query.set('hours', String(params?.hours ?? 1));
  query.set('page', String(params?.page ?? 0));
  query.set('size', String(params?.size ?? 50));
  const res = await fetch(`${API_BASE}/analysis/transship?${query}`, { credentials: 'include' });
  if (!res.ok) throw new Error(`API error: ${res.status}`);
  return res.json();
}