using ECPBLL.Communication.Interfaces;
using ECPSL.Collaboration.Parameters;
using FastEndpoints;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.DTO.Framework.ResponseStandard;
using GB5Shared.FastEndPoint;
using static GB5Shared.GB5Constant.Constant;

namespace ECPSL.Collaboration.Endpoints.CollaborationSpaceDiscussion;

/// <summary>Posts (or edits, when CommentThreadId > 0) a comment on a space's Discussion tab.
/// The caller sets Comment.ObjectId to the CollaborationSpaceId; ObjectTypeId is not trusted
/// from the client and is fixed to OBJECTCOLLABORATIONSPACE here.</summary>
public class SaveCollaborationSpaceDiscussion : BaseEndpoint<SaveCollaborationSpaceDiscussionParameters, ResponseStandardDTO<object>>
{
    private readonly ICommentThreadBLL _bll;

    public SaveCollaborationSpaceDiscussion(ICommentThreadBLL bll) => _bll = bll;

    public override void Configure()
    {
        Post("/CollaborationSpaceDiscussion/SaveCollaborationSpaceDiscussion");
        AllowAnonymous();
    }

    // Mutation endpoint — GetCacheKey returns null (base default) per CLAUDE.md's cache rule.

    protected override async Task<ResponseStandardDTO<object>> ExecuteAsync(
        SaveCollaborationSpaceDiscussionParameters req, LoginDTO login, CancellationToken ct)
    {
        try
        {
            req.Comment.ObjectTypeId = EntityConstant.OBJECTCOLLABORATIONSPACE;
            var result = await _bll.SaveCommentThreadAsync(req.Comment, login, ct);
            return await GB5Shared.ResponseStandard.Response.CreateSuccessResponse(
                result, CacheKeyLevel.NOT_REQUIRED, login);
        }
        catch (Exception ex)
        {
            return await GB5Shared.ResponseStandard.Response.CreateExceptionError<string>(
                ex, CacheKeyLevel.NOT_REQUIRED, login, ex.Message, 500);
        }
    }
}