using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using CellularManagement.Domain.Entities.Common;

namespace CellularManagement.Domain.Entities.Device;

/// <summary>
/// 蜂窝设备实体
/// </summary>
public class CellularDevice : AuditableEntity
{
    private CellularDevice() { }

    /// <summary>
    /// 设备名称
    /// </summary>
    [Required]
    [MaxLength(100)]
    public string Name { get; private set; } = null!;

    /// <summary>
    /// 设备序列号
    /// </summary>
    [Required]
    [MaxLength(50)]
    public string SerialNumber { get; private set; } = null!;

    /// <summary>
    /// 设备描述
    /// </summary>
    [MaxLength(500)]
    public string Description { get; private set; }

    /// <summary>
    /// 协议版本集合
    /// </summary>
    public virtual ICollection<ProtocolVersion> ProtocolVersions { get; private set; } = new List<ProtocolVersion>();



    /// <summary>
    /// Agent端口
    /// </summary>
    [Required]
    public int AgentPort { get; private set; }

    /// <summary>
    /// IP地址
    /// </summary>
    [Required]
    [MaxLength(45)]
    public string IpAddress { get; private set; } = null!;

    /// <summary>
    /// 是否启用
    /// </summary>
    public bool IsEnabled { get; private set; } = true;

    /// <summary>
    /// 设备状态（启动/未启动）
    /// </summary>
    public bool IsRunning { get; private set; } = false;

    /// <summary>
    /// 创建设备
    /// </summary>
    public static CellularDevice Create(
        string name,
        string serialNumber,
        string description,
        int agentPort,
        string ipAddress,
        string createdBy,
        bool isEnabled = true,
        bool isRunning = false)
    {
        var device = new CellularDevice
        {
            Id = Guid.NewGuid().ToString(),
            Name = name,
            SerialNumber = serialNumber,
            Description = description,
            AgentPort = agentPort,
            IpAddress = ipAddress,
            IsEnabled = isEnabled,
            IsRunning = isRunning,
            CreatedAt = DateTime.UtcNow,
            UpdatedAt = DateTime.UtcNow,
            CreatedBy = createdBy,
            UpdatedBy = createdBy
        };

        return device;
    }

    /// <summary>
    /// 更新设备
    /// </summary>
    public void Update(
        string name,
        string serialNumber,
        string description,
        int agentPort,
        string ipAddress,
        string updatedBy,
        bool isEnabled = true,
        bool isRunning = false)
    {
        Name = name;
        SerialNumber = serialNumber;
        Description = description;
        AgentPort = agentPort;
        IpAddress = ipAddress;
        IsEnabled = isEnabled;
        IsRunning = isRunning;
        UpdatedAt = DateTime.UtcNow;
        UpdatedBy = updatedBy;
    }

    /// <summary>
    /// 启用设备
    /// </summary>
    public void Enable()
    {
        IsEnabled = true;
        UpdatedAt = DateTime.UtcNow;
    }

    /// <summary>
    /// 禁用设备
    /// </summary>
    public void Disable()
    {
        IsEnabled = false;
        UpdatedAt = DateTime.UtcNow;
    }

    /// <summary>
    /// 启动设备
    /// </summary>
    public void Start()
    {
        IsRunning = true;
        UpdatedAt = DateTime.UtcNow;
    }

    /// <summary>
    /// 停止设备
    /// </summary>
    public void Stop()
    {
        IsRunning = false;
        UpdatedAt = DateTime.UtcNow;
    }
}