using FastEndpoints;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.DTO.Framework.ResponseStandard;
using GB5Shared.FastEndPoint;
using TCMSBLL.Interfaces;
using static GB5Shared.GB5Constant.Constant;

namespace TCMSSL.EndPoints.TestEnv;

/// <summary>
/// GET /TCMS/TestEnv/GetTestDbConnection?serverConfigId={int}
/// Returns decrypted connection details for a TEST instance (DBINSTANCETYPE=1).
/// Used by Cypress test suites to establish a direct DB connection for data assertions.
/// Returns a validation error — not 404 — when the configId is not a TEST instance,
/// to avoid leaking whether the config exists at all.
/// </summary>
public class GetTestDbConnection : BaseEndpoint<GetTestDbConnection.Params, ResponseStandardDTO<object>>
{
    private readonly ITCMSTestEnvBLL _Bll;
    public GetTestDbConnection(ITCMSTestEnvBLL bll) => _Bll = bll;

    public override void Configure()
    {
        Get("/TCMS/TestEnv/GetTestDbConnection");
        AllowAnonymous();
    }

    public record Params(
        [property: FromHeader] string Login,
        [property: QueryParam] int    ServerConfigId
    );

    // Never cache — contains decrypted credentials
    protected override string? GetCacheKey(Params req, LoginDTO loginDTO) => null;

    protected override async Task<ResponseStandardDTO<object>> ExecuteAsync(
        Params req, LoginDTO loginDTO, CancellationToken ct)
    {
        var result = await _Bll.GetTestDbConnectionAsync(req.ServerConfigId, loginDTO, ct);

        if (result is null)
            return await GB5Shared.ResponseStandard.Response.CreateSuccessResponse(
                "ServerConfigId is not a registered TEST instance.",
                CacheKeyLevel.NOT_REQUIRED, loginDTO);

        return await GB5Shared.ResponseStandard.Response.CreateSuccessResponse(
            result, CacheKeyLevel.NOT_REQUIRED, loginDTO);
    }
}