import {
  Entity,
  PrimaryGeneratedColumn,
  Column,
  ManyToOne,
  JoinColumn,
  CreateDateColumn,
  DeleteDateColumn,
  Index,
} from 'typeorm';
import { WeatherStation } from './weather-station.entity';

@Entity('weather_observations')
export class WeatherObservation {
  // Changed from serial to UUID in migration 1766300000006-1766300000008
  @PrimaryGeneratedColumn('uuid')
  id: string;

  // Changed from number to UUID in migration 1766300000007-1766300000008
  @Column({ name: 'weather_station_id', type: 'uuid' })
  @Index('idx_weather_observations_station_id')
  weatherStationId: string;

  @ManyToOne(() => WeatherStation, (station) => station.observations, { onDelete: 'CASCADE' })
  @JoinColumn({ name: 'weather_station_id' })
  weatherStation: WeatherStation;

  @Column({ name: 'observation_time', type: 'timestamptz' })
  @Index('idx_weather_observations_time')
  observationTime: Date;

  @Column({ type: 'decimal', precision: 5, scale: 2 })
  temperature: number;

  @Column({ type: 'decimal', precision: 5, scale: 2 })
  humidity: number;

  @Column({ name: 'cloud_cover', type: 'decimal', precision: 5, scale: 2 })
  cloudCover: number;

  @Column({ type: 'decimal', precision: 6, scale: 2 })
  visibility: number;

  @Column({ name: 'wind_speed', type: 'decimal', precision: 5, scale: 2 })
  windSpeed: number;

  @Column({ name: 'wind_direction', type: 'int' })
  windDirection: number;

  @Column()
  condition: string;

  @Column({ name: 'observation_quality' })
  observationQuality: 'excellent' | 'moderate' | 'poor';

  @Column({ type: 'decimal', precision: 7, scale: 2 })
  pressure: number;

  @Column({ type: 'decimal', precision: 5, scale: 2 })
  precipitation: number;

  @CreateDateColumn({ name: 'created_at', type: 'timestamptz' })
  createdAt: Date;

  // Soft delete support (added in migration 1766300000005)
  @DeleteDateColumn({ name: 'deleted_at', type: 'timestamptz', nullable: true })
  @Index('idx_weather_observations_deleted_at', { where: 'deleted_at IS NULL' })
  deletedAt?: Date;
}