/**
 * 最近记忆模型
 * 原始 Dart: RecentMemory (lib/data/models/user/recent_memory.dart)
 */
import { z } from "zod";

export const RecentMemorySchema = z.object({
  type: z.string(),
  content: z.string(),
  importance: z.number(),
  createdAt: z.string().default(""),
});

export type RecentMemoryInput = z.input<typeof RecentMemorySchema>;
export type RecentMemoryData = z.output<typeof RecentMemorySchema>;

export class RecentMemory {
  declare readonly type: string;
  declare readonly content: string;
  declare readonly importance: number;
  declare readonly createdAt: string;

  private constructor(data: RecentMemoryData) {
    Object.assign(this, data);
    Object.freeze(this);
  }

  static from(input: RecentMemoryInput): RecentMemory {
    return new RecentMemory(RecentMemorySchema.parse(input));
  }

  static fromJson(json: unknown): RecentMemory {
    return RecentMemory.from(json as RecentMemoryInput);
  }

  toJson(): RecentMemoryData {
    return RecentMemorySchema.parse(this);
  }
}