package com.smartoffice.common;

import java.time.Instant;

public class ApiResponse<T> {
    private int code;
    private String message;
    private T data;
    private Instant timestamp;

    public ApiResponse() {
    }

    public ApiResponse(int code, String message, T data) {
        this.code = code;
        this.message = message;
        this.data = data;
        this.timestamp = Instant.now();
    }

    public static <T> ApiResponse<T> ok(T data) {
        return new ApiResponse<>(200, "OK", data);
    }

    public static <T> ApiResponse<T> created(T data) {
        return new ApiResponse<>(201, "Created", data);
    }

    public static ApiResponse<Void> error(int code, String message) {
        return new ApiResponse<>(code, message, null);
    }

    public int getCode() {
        return code;
    }

    public String getMessage() {
        return message;
    }

    public T getData() {
        return data;
    }

    public Instant getTimestamp() {
        return timestamp;
    }
}