import { Column, Model, Table, DataType, HasMany } from 'sequelize-typescript';
import { MedicationFormEnum } from '../enums/medication-form.enum';
import { RepeatPatternEnum } from '../enums/repeat-pattern.enum';
import { MedicationRecord } from './medication-record.model';

/**
 * 药物信息模型
 */
@Table({
  tableName: 't_medications',
  underscored: true,
  paranoid: false, // 使用软删除字段 deleted 而不是 deletedAt
})
export class Medication extends Model {
  @Column({
    type: DataType.STRING(50),
    primaryKey: true,
    comment: '药物唯一标识',
  })
  declare id: string;

  @Column({
    type: DataType.STRING(50),
    allowNull: false,
    comment: '用户ID',
  })
  declare userId: string;

  @Column({
    type: DataType.STRING(100),
    allowNull: false,
    comment: '药物名称',
  })
  declare name: string;

  @Column({
    type: DataType.STRING(255),
    allowNull: true,
    comment: '药物正面照片URL',
  })
  declare photoUrl: string;

  @Column({
    type: DataType.STRING(255),
    allowNull: true,
    comment: '药物侧面照片URL',
  })
  declare sideImageUrl: string;

  @Column({
    type: DataType.STRING(255),
    allowNull: true,
    comment: '药物辅助照片URL（可选的第三张图片）',
  })
  declare auxiliaryImageUrl: string;

  @Column({
    type: DataType.STRING(20),
    allowNull: false,
    comment: '药物剂型',
  })
  declare form: MedicationFormEnum;

  @Column({
    type: DataType.DECIMAL(10, 2),
    allowNull: false,
    comment: '剂量数值',
  })
  declare dosageValue: number;

  @Column({
    type: DataType.STRING(20),
    allowNull: false,
    comment: '剂量单位',
  })
  declare dosageUnit: string;

  @Column({
    type: DataType.INTEGER,
    allowNull: false,
    comment: '每日服用次数',
  })
  declare timesPerDay: number;

  @Column({
    type: DataType.JSON,
    allowNull: false,
    comment: '服药时间列表，格式：["08:00", "20:00"]',
  })
  declare medicationTimes: string[];

  @Column({
    type: DataType.STRING(20),
    allowNull: false,
    defaultValue: RepeatPatternEnum.DAILY,
    comment: '重复模式',
  })
  declare repeatPattern: RepeatPatternEnum;

  @Column({
    type: DataType.DATE,
    allowNull: false,
    comment: '开始日期（UTC时间）',
  })
  declare startDate: Date;

  @Column({
    type: DataType.DATE,
    allowNull: true,
    comment: '结束日期（UTC时间）',
  })
  declare endDate: Date | null;

  @Column({
    type: DataType.DATE,
    allowNull: true,
    comment: '药品有效期（UTC时间）',
  })
  declare expiryDate: Date | null;

  @Column({
    type: DataType.TEXT,
    allowNull: true,
    comment: '备注信息',
  })
  declare note: string;

  @Column({
    type: DataType.TEXT,
    allowNull: true,
    comment: 'AI分析结果',
  })
  declare aiAnalysis: string;

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

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

  @Column({
    type: DataType.DATE,
    defaultValue: DataType.NOW,
    comment: '更新时间',
  })
  declare updatedAt: Date;

  @Column({
    type: DataType.BOOLEAN,
    allowNull: false,
    defaultValue: false,
    comment: '软删除标记',
  })
  declare deleted: boolean;

  // 关联关系
  @HasMany(() => MedicationRecord, 'medicationId')
  declare records: MedicationRecord[];
}