using FastEndpoints;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.DTO.Framework.ResponseStandard;
using GB5Shared.FastEndPoint;
using SkillManagementBLL.EmployeeSkillProfile;
using static GB5Shared.GB5Constant.Constant;

namespace SkillManagementSL.EndPoints.SkillMatrix
{
    // Returns all saved skill-level rows for one employee × one skill.
    // Used by the Skill Matrix cell-click lightbox to show full level history
    // (Level 1 → Level N) in readonly view, ordered by level number ascending.
    public class GetEmployeeSkillCellDetail : BaseEndpoint<GetEmployeeSkillCellDetail.GetEmployeeSkillCellDetailParameters, ResponseStandardDTO<object>>
    {
        private readonly IEmployeeSkillProfileBLL _bll;

        public GetEmployeeSkillCellDetail(IEmployeeSkillProfileBLL bll)
        {
            _bll = bll;
        }

        public override void Configure()
        {
            Get("/SkillMatrix/GetEmployeeSkillCellDetail");
            AllowAnonymous();
        }
        
        public record GetEmployeeSkillCellDetailParameters(
            [property: FromHeader] string Login,
            [property: QueryParam] int EmployeeId,
            [property: QueryParam] int SkillId
        );

        protected override string? GetCacheKey(GetEmployeeSkillCellDetailParameters req, LoginDTO login)
            => $"Skill:CellDetail:{login.ClientId}:{req.EmployeeId}:{req.SkillId}";

        protected override async Task<ResponseStandardDTO<object>> ExecuteAsync(
            GetEmployeeSkillCellDetailParameters req, LoginDTO login, CancellationToken ct)
        {
            try
            {
                var result = await _bll.GetCellDetail(req.EmployeeId, req.SkillId, login, ct);
                return await GB5Shared.ResponseStandard.Response.CreateSuccessResponse(result, CacheKeyLevel.CLIENT_LEVEL, login);
            }
            catch (Exception ex)
            {
                return await GB5Shared.ResponseStandard.Response.CreateExceptionError<string>(ex, CacheKeyLevel.CLIENT_LEVEL, login, ex.Message, 500);
            }
        }
    }
}