import {
  Entity,
  PrimaryGeneratedColumn,
  Column,
  CreateDateColumn,
  UpdateDateColumn,
  ManyToOne,
  JoinColumn,
} from 'typeorm';
import { Referral } from './referral.entity';

export enum RewardType {
  FREE_MONTH = 'free_month',
  DISCOUNT = 'discount',
}

export enum RewardStatus {
  AVAILABLE = 'available',
  USED = 'used',
  EXPIRED = 'expired',
}

@Entity({ schema: 'subscriptions', name: 'referral_rewards' })
export class ReferralReward {
  @PrimaryGeneratedColumn('uuid')
  id: string;

  @Column({ name: 'tenant_id' })
  tenantId: string;

  @Column({ name: 'referral_id' })
  referralId: string;

  @Column({
    type: 'varchar',
    length: 20,
    default: RewardType.FREE_MONTH,
  })
  type: RewardType;

  @Column({ name: 'months_earned', default: 0 })
  monthsEarned: number;

  @Column({ name: 'months_used', default: 0 })
  monthsUsed: number;

  @Column({ name: 'discount_percent', default: 0 })
  discountPercent: number;

  @Column({ name: 'expires_at', type: 'timestamptz', nullable: true })
  expiresAt: Date;

  @Column({
    type: 'varchar',
    length: 20,
    default: RewardStatus.AVAILABLE,
  })
  status: RewardStatus;

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

  @UpdateDateColumn({ name: 'updated_at' })
  updatedAt: Date;

  // Relations
  @ManyToOne(() => Referral)
  @JoinColumn({ name: 'referral_id' })
  referral: Referral;
}