export type Coordinate = {
  lat: number;
  lon: number;
  elevationM?: number;
};

export type BikepackingProfileId =
  | 'loaded_gravel'
  | 'hardtail_bikepacking'
  | 'road_touring'
  | 'ebikepacking'
  | 'beginner_safe';

export type SleepPreference =
  | 'official_campsites'
  | 'mixed_budget'
  | 'indoor_only'
  | 'wild_where_legal'
  | 'any_safe_option';

export type PoiCategory =
  | 'water'
  | 'food'
  | 'sleep'
  | 'repair'
  | 'bailout'
  | 'charging'
  | 'emergency';

export type Confidence =
  | 'known_good'
  | 'high'
  | 'medium'
  | 'low'
  | 'unknown'
  | 'restricted'
  | 'conflicting';

export type WarningSeverity = 'info' | 'notice' | 'warning' | 'critical';

export type TripRequest = {
  start: Coordinate;
  end: Coordinate;
  viaPoints?: Coordinate[];
  startDate?: string;
  endDate?: string;
  profile: BikepackingProfileId;
  sleepPreference: SleepPreference;
  dailyDistanceKm: { min: number; target: number; max: number };
  dailyAscentM?: { target?: number; max?: number };
  maxLoadedGradePercent?: number;
  preferredUnpavedPercent?: { min?: number; max?: number };
  waterGapMaxKm?: number;
  foodGapMaxKm?: number;
  requireBailoutEveryKm?: number;
};

export type RouteSegment = {
  id: string;
  geometry: Coordinate[];
  distanceM: number;
  ascentM?: number;
  descentM?: number;
  avgGradePercent?: number;
  maxGradePercent?: number;
  surface?: string;
  smoothness?: string;
  highway?: string;
  bicycleAccess?: string;
  legalAccessConfidence: Confidence;
  trafficStress?: number;
  officialCycleRoute?: boolean;
  protectedAreaOverlap?: boolean;
  communityScore?: number;
  sourceConfidence: Confidence;
};

export type RouteWarning = {
  code: string;
  severity: WarningSeverity;
  title: string;
  message: string;
  metersFromStart?: number;
  segmentId?: string;
};

export type RoutePlan = {
  id: string;
  tripId: string;
  geometry: Coordinate[];
  distanceM: number;
  ascentM: number;
  descentM: number;
  segments: RouteSegment[];
  surfaceBreakdown: Record<string, number>;
  suitabilityScore: number;
  warnings: RouteWarning[];
  provider: string;
};

export type Poi = {
  id: string;
  category: PoiCategory;
  name: string;
  location: Coordinate;
  source: string;
  confidence: Confidence;
  distanceFromRouteM?: number;
  metersFromStart?: number;
  detourDistanceM?: number;
  openingHours?: string;
  lastConfirmedAt?: string;
  tags?: Record<string, string>;
};

export type StagePlan = {
  id: string;
  routeId: string;
  dayIndex: number;
  startMeters: number;
  endMeters: number;
  distanceM: number;
  ascentM?: number;
  descentM?: number;
  expectedRideTimeMinutes?: { low: number; high: number };
  sleepCandidates: Poi[];
  waterPois: Poi[];
  foodPois: Poi[];
  repairPois: Poi[];
  bailoutPois: Poi[];
  warnings: RouteWarning[];
  planB?: {
    earlierEndMeters?: number;
    laterEndMeters?: number;
    reason: string;
  };
};

export type OfflinePackManifest = {
  packId: string;
  tripId: string;
  routeId: string;
  createdAt: string;
  bbox: [number, number, number, number];
  routeBufferKm: number;
  includedLayers: string[];
  dataVersions: Record<string, string>;
  files: Array<{ type: string; url?: string; path?: string; bytes?: number }>;
  warnings: RouteWarning[];
};