using System.ComponentModel.DataAnnotations;
using System.Text.Json.Serialization;

namespace MilliSim.Common.Models;

/// <summary>
/// 统一 API 响应模型
/// </summary>
public class ApiResponse<T>
{
    public int Code { get; set; } = 200;
    public string Message { get; set; } = "success";
    public T? Data { get; set; }

    public static ApiResponse<T> Success(T? data = default, string message = "success")
        => new() { Code = 200, Message = message, Data = data };

    public static ApiResponse<T> Fail(string message, int code = 400)
        => new() { Code = code, Message = message, Data = default };
}

public class ApiResponse : ApiResponse<object>
{
    public static ApiResponse Success(string message = "success")
        => new() { Code = 200, Message = message, Data = null };

    public new static ApiResponse Fail(string message, int code = 400)
        => new() { Code = code, Message = message, Data = null };
}

/// <summary>
/// 分页结果
/// </summary>
public class PagedResult<T>
{
    public List<T> Items { get; set; } = new();
    public long Total { get; set; }
    public int PageIndex { get; set; }
    public int PageSize { get; set; }

    public static PagedResult<T> Create(List<T> items, long total, int pageIndex, int pageSize)
        => new() { Items = items, Total = total, PageIndex = pageIndex, PageSize = pageSize };
}

/// <summary>
/// 分页请求
/// </summary>
public class PageRequest
{
    private int _pageIndex = 1;
    private int _pageSize = 12;

    public int PageIndex
    {
        get => _pageIndex;
        set => _pageIndex = value < 1 ? 1 : value;
    }

    public int PageSize
    {
        get => _pageSize;
        set => _pageSize = value is < 1 or > 100 ? 12 : value;
    }

    public string? Keyword { get; set; }
}

/// <summary>
/// 用户角色枚举
/// 注意：不使用 JsonStringEnumConverter，序列化为数字，与前端数字枚举一致
/// </summary>
public enum UserRole
{
    Guest = 0,
    Customer = 1,
    Sales = 2,
    ProductManager = 3,
    Admin = 4
}

/// <summary>
/// 用户状态
/// 注意：不使用 JsonStringEnumConverter，序列化为数字，与前端数字枚举一致
/// </summary>
public enum UserStatus
{
    Disabled = 0,
    Active = 1
}

/// <summary>
/// 项目状态
/// 注意：不使用 JsonStringEnumConverter，序列化为数字，与前端 ProjectStatus 数字枚举一致
/// </summary>
public enum ProjectStatus
{
    Offline = 0,
    Published = 1
}

/// <summary>
/// 授权状态
/// 注意：不使用 JsonStringEnumConverter，序列化为数字，与前端数字枚举一致
/// </summary>
public enum AuthorizationStatus
{
    Cancelled = 0,
    Active = 1,
    Expired = 2
}

/// <summary>
/// 通知类型
/// 注意：不使用 JsonStringEnumConverter，序列化为数字，与前端数字枚举一致
/// </summary>
public enum NotificationType
{
    System = 0,
    Project = 1,
    Account = 2,
    Authorization = 3
}

/// <summary>
/// 资源包类型
/// 注意：不使用 JsonStringEnumConverter，序列化为数字，与前端 PackageType 数字枚举一致
/// </summary>
public enum PackageType
{
    WebGL = 0,
    Android = 1,
    Windows = 2,
    Mac = 3
}

/// <summary>
/// 存储模式
/// 注意：不使用 JsonStringEnumConverter，序列化为数字，与前端数字枚举一致
/// </summary>
public enum StorageMode
{
    Local = 0,
    Cos = 1
}