import { BaseEntity } from './base.entity';
import { Conversation } from './conversation.entity';
import { User } from './user.entity';
import { Column, Entity, Index, ManyToOne, OneToMany } from 'typeorm';
import { MessageReaction } from './message-reaction.entity';

@Entity('messages')
@Index(['conversation', 'createdAt'])
export class Message extends BaseEntity {
  @ManyToOne(() => Conversation, (conversation) => conversation.messages, {
    onDelete: 'CASCADE',
  })
  conversation: Conversation;

  @ManyToOne(() => User, { onDelete: 'CASCADE' })
  sender: User;

  @Column({ type: 'text' })
  content: string;

  @Column({ default: false })
  isPinned: boolean;

  @Column({ type: 'datetime', nullable: true })
  pinnedAt: Date | null;

  @ManyToOne(() => User, { nullable: true, onDelete: 'SET NULL' })
  pinnedBy: User | null;

  @OneToMany(() => MessageReaction, (reaction) => reaction.message)
  reactions: MessageReaction[];
}