import { BelongsTo, Column, DataType, ForeignKey, Index, Model, Table } from 'sequelize-typescript';
import { User } from '../../users/models/user.model';

export enum ActivityEntityType {
  USER = 'USER',
  USER_PROFILE = 'USER_PROFILE',
  USER_WEIGHT_HISTORY = 'USER_WEIGHT_HISTORY',
  CHECKIN = 'CHECKIN',
  TRAINING_PLAN = 'TRAINING_PLAN',
  WORKOUT = 'WORKOUT',
  DIET_RECORD = 'DIET_RECORD',

}

export enum ActivityActionType {
  CREATE = 'CREATE',
  UPDATE = 'UPDATE',
  DELETE = 'DELETE',
}

@Table({
  tableName: 't_activity_logs',
  underscored: true,
})
export class ActivityLog extends Model {
  @Column({
    type: DataType.UUID,
    primaryKey: true,
    defaultValue: DataType.UUIDV4,
  })
  declare id: string;

  @ForeignKey(() => User)

  @Column({ type: DataType.STRING, allowNull: false, comment: '用户ID' })
  declare userId: string;

  @BelongsTo(() => User)
  declare user?: User;

  @Column({
    type: DataType.ENUM('USER', 'USER_PROFILE', 'USER_WEIGHT_HISTORY', 'CHECKIN', 'TRAINING_PLAN', 'WORKOUT', 'DIET_RECORD'),
    allowNull: false,
    comment: '实体类型',
  })
  declare entityType: ActivityEntityType;

  @Column({
    type: DataType.ENUM('CREATE', 'UPDATE', 'DELETE'),
    allowNull: false,
    comment: '动作类型',
  })
  declare action: ActivityActionType;

  @Column({ type: DataType.STRING, allowNull: true, comment: '实体ID' })
  declare entityId: string | null;

  @Column({ type: DataType.JSON, allowNull: true, comment: '变更详情或前后快照' })
  declare changes: Record<string, any> | null;

  @Column({ type: DataType.JSON, allowNull: true, comment: '附加信息（来源、设备等）' })
  declare metadata: Record<string, any> | null;

  @Column({ type: DataType.DATE, defaultValue: DataType.NOW, comment: '发生时间' })
  declare createdAt: Date;

  @Column({ type: DataType.DATE, defaultValue: DataType.NOW })
  declare updatedAt: Date;
}