using F9WebAiTest.Application.Dtos.SYS.Registries;
using F9WebAiTest.Application.Interfaces.Repositories.SYS.Registries;
using MediatR;

namespace F9WebAiTest.Application.CQRS.SYS.Registries.Queries;

/// <summary>全部注册表配置（含未启用）</summary>
public record GetRegistryAllQuery() : IRequest<List<RegistryReadDto_View>>;

public class GetRegistryAllQueryHandler(IRegistryReadRepository readRepository)
    : IRequestHandler<GetRegistryAllQuery, List<RegistryReadDto_View>>
{
    public async Task<List<RegistryReadDto_View>> Handle(GetRegistryAllQuery query, CancellationToken ct)
        => await readRepository.GetAllAsync();
}

/// <summary>按 Id 查询（编辑回显）</summary>
public record GetRegistryByIdForEditQuery(long Id) : IRequest<RegistryReadDto_Edit>;

public class GetRegistryByIdForEditQueryHandler(IRegistryReadRepository readRepository)
    : IRequestHandler<GetRegistryByIdForEditQuery, RegistryReadDto_Edit>
{
    public async Task<RegistryReadDto_Edit> Handle(GetRegistryByIdForEditQuery query, CancellationToken ct)
        => await readRepository.GetByIdForEditAsync(query.Id);
}

/// <summary>按命名空间 + 键名查询（业务模块取值入口）</summary>
public record GetByCategoryAndKeyQuery(string Category, string KeyName) : IRequest<RegistryReadDto_Edit>;

public class GetByCategoryAndKeyQueryHandler(IRegistryReadRepository readRepository)
    : IRequestHandler<GetByCategoryAndKeyQuery, RegistryReadDto_Edit>
{
    public async Task<RegistryReadDto_Edit> Handle(GetByCategoryAndKeyQuery query, CancellationToken ct)
        => await readRepository.GetByCategoryAndKeyAsync(query.Category, query.KeyName);
}