/**
 * Value Objects - immutable, compared by value, not identity
 */

export interface GeoLocation {
  readonly lat: number;
  readonly lng: number;
  readonly accuracy?: number; // meters
}

export interface BoundingBox {
  readonly x: number;
  readonly y: number;
  readonly width: number;
  readonly height: number;
}

export interface Confidence {
  readonly value: number; // 0.0 to 1.0
}

export interface Hash {
  readonly algorithm: 'sha256';
  readonly value: string;
}

export interface StorageUri {
  readonly protocol: 's3' | 'r2' | 'file';
  readonly bucket?: string;
  readonly path: string;
}

export interface Version {
  readonly major: number;
  readonly minor: number;
  readonly patch: number;
}

export interface TimeRange {
  readonly start: Date;
  readonly end: Date;
}

export interface DeviceInfo {
  readonly model: string;
  readonly os: string;
  readonly appVersion: string;
}

export interface ExifData {
  readonly device?: string;
  readonly iso?: number;
  readonly exposure?: string;
  readonly focalLength?: string;
  readonly timestamp?: Date;
}

export interface AssetMetadata {
  readonly exif: ExifData;
  readonly gps: GeoLocation;
  readonly device: DeviceInfo;
}

export interface BusinessImpact {
  readonly risk: string;
  readonly cost: string;
  readonly time: string;
  readonly opportunity: string;
}

export interface EvidenceContext {
  readonly historicalData?: boolean;
  readonly weatherData?: boolean;
  readonly trafficData?: boolean;
  readonly gisData?: boolean;
}

export interface QualityIssue {
  readonly type: 'blur' | 'duplicate' | 'bad_gps' | 'low_resolution' | 'missing_metadata' | 'wrong_timestamp' | 'occlusion';
  readonly severity: Severity;
  readonly description: string;
}

export interface ValidationResult {
  readonly valid: boolean;
  readonly issues: QualityIssue[];
}

export type Severity = 'low' | 'medium' | 'high' | 'critical';
export type PriorityValue = 'low' | 'medium' | 'high' | 'urgent';

export const Severity = {
  LOW: 'low' as Severity,
  MEDIUM: 'medium' as Severity,
  HIGH: 'high' as Severity,
  CRITICAL: 'critical' as Severity
};

export const Priority = {
  LOW: 'low' as PriorityValue,
  MEDIUM: 'medium' as PriorityValue,
  HIGH: 'high' as PriorityValue,
  URGENT: 'urgent' as PriorityValue
};