import { Entity, Column, PrimaryColumn, Index, CreateDateColumn } from 'typeorm';

@Entity('road_speed_profiles')
@Index(['segmentId', 'hourOfDay', 'dayOfWeek'], { unique: true })
export class RoadSpeedProfile {
  @PrimaryColumn()
  segmentId: string;

  @PrimaryColumn()
  hourOfDay: number; // 0-23

  @PrimaryColumn()
  dayOfWeek: number; // 0-6 (0 = Sunday)

  @Column('float', { default: 0 })
  averageSpeed: number;

  @Column('int', { default: 0 })
  sampleCount: number;

  @CreateDateColumn()
  lastUpdated: Date;
}