/**
 * Shared type definitions for Routes and Adventures
 */

// ============================================================================
// GeoJSON Types
// ============================================================================

export interface GeoJSONPoint {
    type: 'Point';
    coordinates: [number, number]; // [longitude, latitude]
}

export interface GeoJSONLineString {
    type: 'LineString';
    coordinates: Array<[number, number]>; // Array of [longitude, latitude]
}

export interface GeoJSONPolygon {
    type: 'Polygon';
    coordinates: Array<Array<[number, number]>>;
}

export type GeoJSONGeometry = GeoJSONPoint | GeoJSONLineString | GeoJSONPolygon;

export interface GeoJSONFeature<G extends GeoJSONGeometry = GeoJSONGeometry, P = any> {
    type: 'Feature';
    geometry: G;
    properties: P;
}

export interface GeoJSONFeatureCollection<G extends GeoJSONGeometry = GeoJSONGeometry, P = any> {
    type: 'FeatureCollection';
    features: Array<GeoJSONFeature<G, P>>;
}

// ============================================================================
// Track Types (Public Ski Tracks)
// ============================================================================

export interface TrackProperties {
    id: number;
    name: string;
    description?: string;
    difficulty?: string; // e.g., 'beginner', 'intermediate', 'advanced', 'expert'
    type?: string; // e.g., 'downhill', 'nordic', 'skitour'
    'piste:difficulty'?: string; // From OpenSkiData
    'piste:type'?: string; // From OpenSkiData
    [key: string]: any; // Allow additional properties from GeoJSON
}

export interface Track {
    id: number;
    external_id?: string;
    name: string;
    description?: string;
    geojson: GeoJSONGeometry; // The path geometry
    properties: Record<string, any>; // Additional properties from GeoJSON
    difficulty?: string;
    difficulty_convention?: string;
    type?: string;
    uses?: string[];
    ref?: string;
    oneway?: string;
    gladed?: string;
    patrolled?: string;
    lit?: string;
    grooming?: string;
    status?: string;
    websites?: string[];
    wikidata_id?: string;
    elevation_profile?: any;
    created_at?: Date;
}

export type TrackFeature = GeoJSONFeature<GeoJSONLineString, TrackProperties>;
export type TrackFeatureCollection = GeoJSONFeatureCollection<GeoJSONLineString, TrackProperties>;

// ============================================================================
// Adventure Types (User-Saved Activities)
// ============================================================================

export interface AdventureProperties {
    id: number;
    name: string;
    description?: string;
    user_id?: string;
    recorded_at?: Date;
    duration?: number; // Duration in seconds
    distance?: number; // Distance in meters
    [key: string]: any; // Allow additional properties
}

export interface Adventure {
    id: number;
    user_id?: string;
    name: string;
    description?: string;
    path: GeoJSONGeometry; // The recorded path
    properties: Record<string, any>; // Additional properties
    recorded_at?: Date;
    created_at?: Date;
}

export type AdventureFeature = GeoJSONFeature<GeoJSONLineString, AdventureProperties>;
export type AdventureFeatureCollection = GeoJSONFeatureCollection<GeoJSONLineString, AdventureProperties>;

// ============================================================================
// Activity Types (UI taxonomy)
// ============================================================================

export interface Activity {
    id: string; // stable identifier used by routes.uses
    label: string;
    sort_order?: number;
    is_visible?: boolean;
}

// ============================================================================
// API Response Types
// ============================================================================

export interface PaginationInfo {
    total: number;
    page: number;
    limit: number;
    pages: number;
}

export interface PaginatedResponse<T> {
    type: 'FeatureCollection';
    features: T[];
    pagination: PaginationInfo;
}