import { Column, DataType, Index, Model, PrimaryKey, Table } from 'sequelize-typescript';

export type PlanMode = 'daysOfWeek' | 'sessionsPerWeek';
export type PlanGoal = 'postpartum_recovery' | 'fat_loss' | 'posture_correction' | 'core_strength' | 'flexibility' | 'rehab' | 'stress_relief' | '';

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


  @Column({ type: DataType.BOOLEAN, defaultValue: false, comment: '是否激活' })
  declare isActive: boolean;

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

  // 计划名称
  @Column({ type: DataType.STRING, allowNull: true })
  declare name: string;

  @Column({ type: DataType.DATE, allowNull: false })
  declare createdAt: Date;

  @Column({ type: DataType.DATE, allowNull: false })
  declare startDate: Date;

  @Column({ type: DataType.ENUM('daysOfWeek', 'sessionsPerWeek'), allowNull: false })
  declare mode: PlanMode;

  @Column({ type: DataType.JSON, allowNull: false, comment: '0-6' })
  declare daysOfWeek: number[];

  @Column({ type: DataType.INTEGER, allowNull: false })
  declare sessionsPerWeek: number;

  @Column({
    type: DataType.ENUM('postpartum_recovery', 'fat_loss', 'posture_correction', 'core_strength', 'flexibility', 'rehab', 'stress_relief', ''),
    allowNull: false,
  })
  declare goal: PlanGoal;

  @Column({ type: DataType.FLOAT, allowNull: true })
  declare startWeightKg: number | null;

  @Column({ type: DataType.ENUM('morning', 'noon', 'evening', ''), allowNull: false, defaultValue: '' })
  declare preferredTimeOfDay: 'morning' | 'noon' | 'evening' | '';

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

  @Column({ type: DataType.BOOLEAN, defaultValue: false })
  declare deleted: boolean;
}