using Hutopy.Web.Common;
using Hutopy.Web.Common.Security;
using Hutopy.Web.Features.Messages.Data;

namespace Hutopy.Web.Features.Messages.Handlers;

public sealed class AddReplyRequest
{
    public Guid? Id { get; set; }
    public required Guid ParentId { get; set; }
    public required Guid SubjectId { get; set; }
    public required string Message { get; set; }
}

internal sealed class AddReplyRequestValidator
    : Validator<AddReplyRequest>
{
    public AddReplyRequestValidator()
    {
        RuleFor(r => r.ParentId)
            .NotNull().WithMessage("You must specify a ParentId")
            .NotEmpty().WithMessage("You must specify a non-empty ParentId");
        
        RuleFor(r => r.SubjectId)
            .NotNull().WithMessage("You must specify a SubjectId")
            .NotEmpty().WithMessage("You must specify a non-empty SubjectId");

        RuleFor(r => r.Message)
            .NotNull().WithMessage("You must specify a Message")
            .NotEmpty().WithMessage("You must specify a non-empty Message");
    }
}

internal sealed class AddReply(
    MessagingDbContext context)
    : Endpoint<AddReplyRequest>
{
    public override void Configure()
    {
        Post("/api/messages/{ParentId:guid}/replies");
        Options(o => o.WithTags("Messages"));
    }

    public override async Task HandleAsync(
        AddReplyRequest req,
        CancellationToken ct)
    {
        var message = new Message
        {
            Id = GuidHelper.GenerateUuidV7(),
            SubjectId = req.SubjectId, 
            ParentId = req.ParentId,
            CreatedBy = User.GetUserId(),
            CreatedByName = User.GetName(),
            Value = req.Message
        };

        await context.Messages.AddAsync(message, ct);

        await context.SaveChangesAsync(ct);
    }
}