// Core type definitions for the Beach Litter Mapping Platform

export type LitterType = 'plastic' | 'metal' | 'glass' | 'organic' | 'hazardous' | 'other';

export type QuantityLevel = 'minimal' | 'moderate' | 'significant' | 'severe';

export type LocationSource = 'exif' | 'gps' | 'manual';

export type VerificationStatus = 'pending' | 'verified' | 'disputed';

export type EventStatus = 'upcoming' | 'completed' | 'cancelled';

export interface Coordinates {
  latitude: number;
  longitude: number;
}

export interface User {
  id: string;
  clerkId: string;
  email: string;
  username: string;
  firstName?: string;
  lastName?: string;
  avatarUrl?: string;
  impactScore: number;
  createdAt: Date;
  updatedAt: Date;
}

export interface Report {
  id: string;
  userId: string;
  latitude: number;
  longitude: number;
  locationSource: LocationSource;
  photoUrls: string[];
  photoTimestamp?: Date;
  litterType: LitterType;
  quantity: QuantityLevel;
  description?: string;
  createdAt: Date;
  updatedAt: Date;
  submittedAt: Date;
  verificationStatus: VerificationStatus;
}

export interface CleanupEvent {
  id: string;
  organizerId: string;
  title: string;
  description: string;
  latitude: number;
  longitude: number;
  locationName: string;
  scheduledDate: Date;
  duration: number; // in minutes
  status: EventStatus;
  participantCount: number;
  litterCollected?: number; // in kilograms
  photos?: string[];
  createdAt: Date;
  updatedAt: Date;
}

export interface EnvironmentalConcern {
  id: string;
  reportId: string;
  concernType: string;
  severity: 'low' | 'medium' | 'high' | 'critical';
  description: string;
  createdAt: Date;
}

export interface Hotspot {
  id: string;
  latitude: number;
  longitude: number;
  radius: number; // in meters
  reportCount: number;
  severityScore: number;
  lastReportDate: Date;
  calculatedAt: Date;
}

// DTOs (Data Transfer Objects)
export interface CreateReportDTO {
  photos: File[];
  latitude?: number;
  longitude?: number;
  locationSource: LocationSource;
  litterType: LitterType;
  quantity: QuantityLevel;
  description?: string;
  environmentalConcerns?: {
    type: string;
    severity: 'low' | 'medium' | 'high' | 'critical';
    description: string;
  }[];
}

export interface ReportResponseDTO extends Report {
  user: {
    id: string;
    username: string;
    avatarUrl?: string;
  };
  verificationCount: number;
  disputeCount: number;
  environmentalConcerns: EnvironmentalConcern[];
}

export interface FilterState {
  dateRange?: {
    start: Date;
    end: Date;
  };
  litterTypes?: LitterType[];
  quantities?: QuantityLevel[];
  verificationStatus?: VerificationStatus[];
}