using Application.Abstractions.Data;
using Application.Abstractions.Hub;
using Application.Abstractions.Messaging;
using SharedKernel;
using SharedKernel.Results;
using Microsoft.EntityFrameworkCore;

namespace Application.Features.Api.Crew.UpdateMember;

internal sealed class Handler(
    IAppDbContext db,
    ICrewHubBroadcaster crewBroadcaster
) : ICommandHandler<Command, Result>
{
    public async Task<Result> Handle(Command request, CancellationToken ct)
    {
        var member = await db.CrewMember
            .FirstOrDefaultAsync(m => m.ID == request.CrewMemberID, ct);

        if (member is null)
        {
            return Result.Failure(Error.NotFound("Crew.MemberNotFound", "크루원을 찾을 수 없습니다."));
        }

        member.Update(request.Nickname, request.Role, request.SortOrder, request.IsActive);
        await db.SaveChangesAsync(ct);

        // 운영자 그룹에 변경 broadcast
        await crewBroadcaster.BroadcastMemberChangeAsync(
            crewID: member.CrewID,
            kind: "updated",
            data: new
            {
                crewMemberID = member.ID,
                memberID = member.MemberID
            },
            ct: ct
        );

        return Result.Success();
    }
}