using EntitlementBLL.Auth;
using EntitlementBLL.Interfaces;
using EntitlementSL.Common;
using FastEndpoints;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.DTO.Framework.ResponseStandard;
using GB5Shared.FastEndPoint;
using ErrorResponse = GB5Shared.Resource.Response.ErrorResponse;
using static GB5Shared.GB5Constant.Constant;

namespace EntitlementSL.Endpoints.ChangeRequest;

// Any authenticated client caller (admin or user) can see their own client's request history/status
// — scoped to the caller's OWN ClientId from verified JWT claims, never from a query parameter.
public class GetMyRequests : BaseEndpoint<GetMyRequests.Params, ResponseStandardDTO<object>>
{
    private const string ClientJwtSchemeName = "ClientJwtBearer";

    private readonly IChangeRequestBLL _ChangeRequestBLL;

    public GetMyRequests(IChangeRequestBLL changeRequestBLL) => _ChangeRequestBLL = changeRequestBLL;

    public override void Configure()
    {
        Get("/lic/ChangeRequest.svc/GetMyRequests");
        AuthSchemes(ClientJwtSchemeName);
        Roles(ClientRoleCodes.ClientAdmin, ClientRoleCodes.ClientUser);
    }

    public record Params(
        [property: FromHeader] string Login,
        [property: QueryParam] int    RequestStatus = -1,
        [property: QueryParam] int    Page = 1,
        [property: QueryParam] int    PageSize = 20
    );

    protected override string? GetCacheKey(Params req, LoginDTO loginDTO) => null;

    protected override async Task<ResponseStandardDTO<object>> ExecuteAsync(Params req, LoginDTO loginDTO, CancellationToken ct)
    {
        var caller = ClientCallerContext.FromClaims(HttpContext.User.Claims);
        if (caller.ClientId <= 0)
            return await GB5Shared.ResponseStandard.Response.CreateErrorResponse<object>(
                ErrorResponse.AccessDeniedMessage, CacheKeyLevel.NOT_REQUIRED, loginDTO, statusCode: 403);

        var result = await _ChangeRequestBLL.GetChangeRequestListAsync(caller.ClientId, req.RequestStatus, req.Page, req.PageSize, ct);
        return await GB5Shared.ResponseStandard.Response.CreateSuccessResponse(result, CacheKeyLevel.NOT_REQUIRED, loginDTO);
    }
}