using Dpz.Core.Entity.Base.MapperConfig;
using Dpz.Core.Public.Entity;
using Dpz.Core.Public.Entity.Seo;
using Mapster;

namespace Dpz.Core.Public.ViewModel;

/// <summary>
/// MVC 页面路由目录项
/// </summary>
public class VmPageRouteDefinition : IHaveCustomMapping
{
    /// <summary>
    /// Id
    /// </summary>
    public string? Id { get; set; }

    /// <summary>
    /// 标准化 Action 路由键
    /// </summary>
    public required string RouteKey { get; set; }

    /// <summary>
    /// Area 名称
    /// </summary>
    public string? Area { get; set; }

    /// <summary>
    /// Controller 名称
    /// </summary>
    public required string Controller { get; set; }

    /// <summary>
    /// Action 名称
    /// </summary>
    public required string Action { get; set; }

    /// <summary>
    /// HTTP 方法汇总
    /// </summary>
    public List<string> HttpMethods { get; set; } = [];

    /// <summary>
    /// 实际注册的 Endpoint 变体
    /// </summary>
    public List<VmPageRouteEndpointDefinition> Endpoints { get; set; } = [];

    /// <summary>
    /// 可配置参数
    /// </summary>
    public List<VmPageRouteParameterDefinition> Parameters { get; set; } = [];

    /// <summary>
    /// 是否仍然存在于最新扫描结果
    /// </summary>
    public bool IsActive { get; set; }

    /// <summary>
    /// 最后扫描时间
    /// </summary>
    public DateTime LastScannedAt { get; set; }

    /// <summary>
    /// Executes CreateMappings.
    /// </summary>
    public static void CreateMappings(TypeAdapterConfig cfg)
    {
        cfg.NewConfig<PageRouteDefinition, VmPageRouteDefinition>()
            .MapWith(source => new VmPageRouteDefinition
            {
                Id = source.Id.ToString(),
                RouteKey = source.RouteKey,
                Area = source.Area,
                Controller = source.Controller,
                Action = source.Action,
                HttpMethods = source.HttpMethods,
                Endpoints = source
                    .Endpoints.Select(x => new VmPageRouteEndpointDefinition
                    {
                        RouteName = x.RouteName,
                        Template = x.Template,
                        HttpMethods = x.HttpMethods,
                        Defaults = x.Defaults,
                        RequiredValues = x.RequiredValues,
                    })
                    .ToList(),
                Parameters = source
                    .Parameters.Select(x => new VmPageRouteParameterDefinition
                    {
                        Name = x.Name,
                        TypeName = x.TypeName,
                        Source = x.Source,
                        IsOptional = x.IsOptional,
                    })
                    .ToList(),
                IsActive = source.IsActive,
                LastScannedAt = source.LastScannedAt,
            });
    }
}

/// <summary>
/// MVC 页面路由参数目录项
/// </summary>
public class VmPageRouteParameterDefinition
{
    /// <summary>
    /// 参数名称
    /// </summary>
    public required string Name { get; set; }

    /// <summary>
    /// 参数类型
    /// </summary>
    public string? TypeName { get; set; }

    /// <summary>
    /// 参数来源
    /// </summary>
    public PageRouteParameterSource Source { get; set; }

    /// <summary>
    /// 是否可选
    /// </summary>
    public bool IsOptional { get; set; }
}

/// <summary>
/// 路由目录保存模型
/// </summary>
public class VmSavePageRouteDefinition
{
    /// <summary>
    /// Area 名称
    /// </summary>
    public string? Area { get; set; }

    /// <summary>
    /// Controller 名称
    /// </summary>
    public required string Controller { get; set; }

    /// <summary>
    /// Action 名称
    /// </summary>
    public required string Action { get; set; }

    /// <summary>
    /// HTTP 方法
    /// </summary>
    public List<string> HttpMethods { get; set; } = [];

    /// <summary>
    /// 实际注册的 Endpoint 变体
    /// </summary>
    public List<VmPageRouteEndpointDefinition> Endpoints { get; set; } = [];

    /// <summary>
    /// 可配置参数
    /// </summary>
    public List<VmPageRouteParameterDefinition> Parameters { get; set; } = [];
}

/// <summary>
/// MVC Action 对应的实际 Endpoint 定义
/// </summary>
public class VmPageRouteEndpointDefinition
{
    /// <summary>
    /// 路由名称
    /// </summary>
    public string? RouteName { get; set; }

    /// <summary>
    /// 路由模板
    /// </summary>
    public required string Template { get; set; }

    /// <summary>
    /// HTTP 方法
    /// </summary>
    public List<string> HttpMethods { get; set; } = [];

    /// <summary>
    /// 路由默认值
    /// </summary>
    public Dictionary<string, string> Defaults { get; set; } = [];

    /// <summary>
    /// 路由必需值
    /// </summary>
    public Dictionary<string, string> RequiredValues { get; set; } = [];
}

/// <summary>
/// 页面路由校验结果
/// </summary>
public sealed record PageRouteValidationResult(bool IsValid, string? ErrorMessage)
{
    /// <summary>
    /// 成功结果
    /// </summary>
    public static PageRouteValidationResult Success { get; } = new(true, null);

    /// <summary>
    /// 失败结果
    /// </summary>
    public static PageRouteValidationResult Fail(string message)
    {
        return new PageRouteValidationResult(false, message);
    }
}