using DigitalData.Core.Abstraction.Application.Repository;
using DigitalData.Core.Exceptions;
using MediatR;
using Microsoft.Data.SqlClient;
using ReC.Application.Common.Exceptions;
using ReC.Application.EndpointAuth.Commands;
using ReC.Application.EndpointParams.Commands;
using ReC.Application.Endpoints.Commands;
using ReC.Application.Results.Commands;
using ReC.Application.Profile.Commands;
using ReC.Application.Common.Options;

namespace ReC.Application.Common.Procedures.InsertProcedure;

public record InsertObjectProcedure : IRequest<long>
{
    /// <summary>
    /// Target entity: ACTION, ENDPOINT, ENDPOINT_AUTH, ENDPOINT_PARAMS, PROFILE, RESULT
    /// </summary>
    public string Entity { get; set; } = null!;

    internal string? AddedWho { get; private set; }

    public InsertObjectProcedure AddedBy(string? addedWho = null)
    {
        AddedWho = addedWho ?? "ReC.API";
        return this;
    }

    public InsertActionProcedure Action { get; set; } = new();
    public InsertEndpointProcedure Endpoint { get; set; } = new();
    public InsertEndpointAuthProcedure EndpointAuth { get; set; } = new();
    public InsertProfileProcedure Profile { get; set; } = new();
    public InsertResultProcedure Result { get; set; } = new();
    public InsertEndpointParamsProcedure EndpointParams { get; set; } = new();
}

public static class InsertObjectProcedureExtensions
{
    public static Task<long> ExecuteInsertProcedure(this ISender sender, IInsertProcedure procedure, string? addedWho = null, CancellationToken cancel = default)
    {
        return sender.Send(procedure.ToObjectProcedure(addedWho ?? "Rec.API"), cancel);
    }
}

public class InsertObjectProcedureHandler(IRepository repo, SqlExceptionOptions sqlExceptionOptions) : IRequestHandler<InsertObjectProcedure, long>
{
    public async Task<long> Handle(InsertObjectProcedure request, CancellationToken cancel)
    {
        var parameters = new[]
        {
            new SqlParameter("@pENTITY", request.Entity ?? (object)DBNull.Value),

            new SqlParameter("@pADDED_WHO", (object?)request.AddedWho ?? DBNull.Value),
            new SqlParameter("@pADDED_WHEN", (object?)DateTime.UtcNow ?? DBNull.Value),

            new SqlParameter("@pACTION_PROFILE_ID", (object?)request.Action.ProfileId ?? DBNull.Value),
            new SqlParameter("@pACTION_ACTIVE", (object?)request.Action.Active ?? DBNull.Value),
            new SqlParameter("@pACTION_SEQUENCE", (object?)request.Action.Sequence ?? DBNull.Value),
            new SqlParameter("@pACTION_ENDPOINT_ID", (object?)request.Action.EndpointId ?? DBNull.Value),
            new SqlParameter("@pACTION_ENDPOINT_AUTH_ID", (object?)request.Action.EndpointAuthId ?? DBNull.Value),
            new SqlParameter("@pACTION_ENDPOINT_PARAMS_ID", (object?)request.Action.EndpointParamsId ?? DBNull.Value),
            new SqlParameter("@pACTION_SQL_CONNECTION_ID", (object?)request.Action.SqlConnectionId ?? DBNull.Value),
            new SqlParameter("@pACTION_TYPE_ID", (object?)request.Action.TypeId ?? DBNull.Value),
            new SqlParameter("@pACTION_PRE_SQL", (object?)request.Action.PreSql ?? DBNull.Value),
            new SqlParameter("@pACTION_HEADER_SQL", (object?)request.Action.HeaderSql ?? DBNull.Value),
            new SqlParameter("@pACTION_BODY_SQL", (object?)request.Action.BodySql ?? DBNull.Value),
            new SqlParameter("@pACTION_POST_SQL", (object?)request.Action.PostSql ?? DBNull.Value),
            new SqlParameter("@pACTION_ERROR_ACTION_ID", (object?)request.Action.ErrorActionId ?? DBNull.Value),

            new SqlParameter("@pENDPOINT_ACTIVE", (object?)request.Endpoint.Active ?? DBNull.Value),
            new SqlParameter("@pENDPOINT_DESCRIPTION", (object?)request.Endpoint.Description ?? DBNull.Value),
            new SqlParameter("@pENDPOINT_URI", (object?)request.Endpoint.Uri ?? DBNull.Value),

            new SqlParameter("@pENDPOINT_AUTH_ACTIVE", (object?)request.EndpointAuth.Active ?? DBNull.Value),
            new SqlParameter("@pENDPOINT_AUTH_DESCRIPTION", (object?)request.EndpointAuth.Description ?? DBNull.Value),
            new SqlParameter("@pENDPOINT_AUTH_TYPE_ID", (object?)request.EndpointAuth.TypeId ?? DBNull.Value),
            new SqlParameter("@pENDPOINT_AUTH_API_KEY", (object?)request.EndpointAuth.ApiKey ?? DBNull.Value),
            new SqlParameter("@pENDPOINT_AUTH_API_VALUE", (object?)request.EndpointAuth.ApiValue ?? DBNull.Value),
            new SqlParameter("@pENDPOINT_AUTH_API_KEY_ADD_TO_ID", (object?)request.EndpointAuth.ApiKeyAddToId ?? DBNull.Value),
            new SqlParameter("@pENDPOINT_AUTH_TOKEN", (object?)request.EndpointAuth.Token ?? DBNull.Value),
            new SqlParameter("@pENDPOINT_AUTH_USERNAME", (object?)request.EndpointAuth.Username ?? DBNull.Value),
            new SqlParameter("@pENDPOINT_AUTH_PASSWORD", (object?)request.EndpointAuth.Password ?? DBNull.Value),
            new SqlParameter("@pENDPOINT_AUTH_DOMAIN", (object?)request.EndpointAuth.Domain ?? DBNull.Value),
            new SqlParameter("@pENDPOINT_AUTH_WORKSTATION", (object?)request.EndpointAuth.Workstation ?? DBNull.Value),

            new SqlParameter("@pPROFILE_ACTIVE", (object?)request.Profile.Active ?? DBNull.Value),
            new SqlParameter("@pPROFILE_TYPE_ID", (object?)request.Profile.TypeId ?? DBNull.Value),
            new SqlParameter("@pPROFILE_MANDANTOR", (object?)request.Profile.Mandantor ?? DBNull.Value),
            new SqlParameter("@pPROFILE_NAME", (object?)request.Profile.Name ?? DBNull.Value),
            new SqlParameter("@pPROFILE_DESCRIPTION", (object?)request.Profile.Description ?? DBNull.Value),
            new SqlParameter("@pPROFILE_LOG_LEVEL_ID", (object?)request.Profile.LogLevelId ?? DBNull.Value),
            new SqlParameter("@pPROFILE_LANGUAGE_ID", (object?)request.Profile.LanguageId ?? DBNull.Value),

            new SqlParameter("@pRESULT_ACTION_ID", (object?)request.Result.ActionId ?? DBNull.Value),
            new SqlParameter("@pRESULT_STATUS_ID", (object?)request.Result.StatusId ?? DBNull.Value),
            new SqlParameter("@pRESULT_HEADER", (object?)request.Result.Header ?? DBNull.Value),
            new SqlParameter("@pRESULT_BODY", (object?)request.Result.Body ?? DBNull.Value),

            new SqlParameter("@pENDPOINT_PARAMS_ACTIVE", (object?)request.EndpointParams.Active ?? DBNull.Value),
            new SqlParameter("@pENDPOINT_PARAMS_DESCRIPTION", (object?)request.EndpointParams.Description ?? DBNull.Value),
            new SqlParameter("@pENDPOINT_PARAMS_GROUP_ID", (object?)request.EndpointParams.GroupId ?? DBNull.Value),
            new SqlParameter("@pENDPOINT_PARAMS_SEQUENCE", (object?)request.EndpointParams.Sequence ?? DBNull.Value),
            new SqlParameter("@pENDPOINT_PARAMS_KEY", (object?)request.EndpointParams.Key ?? DBNull.Value),
            new SqlParameter("@pENDPOINT_PARAMS_VALUE", (object?)request.EndpointParams.Value ?? DBNull.Value),

            new SqlParameter
            {
                ParameterName = "@oGUID",
                SqlDbType = System.Data.SqlDbType.BigInt,
                Direction = System.Data.ParameterDirection.Output
            }
        };

        try
        {
            await repo.ExecuteQueryRawAsync(
                "EXEC [dbo].[PRREC_INSERT_OBJECT] " +
                "@pENTITY, @pADDED_WHO, @pADDED_WHEN, " +
                "@pACTION_PROFILE_ID, @pACTION_ACTIVE, @pACTION_SEQUENCE, @pACTION_ENDPOINT_ID, @pACTION_ENDPOINT_AUTH_ID, @pACTION_ENDPOINT_PARAMS_ID, @pACTION_SQL_CONNECTION_ID, @pACTION_TYPE_ID, @pACTION_PRE_SQL, @pACTION_HEADER_SQL, @pACTION_BODY_SQL, @pACTION_POST_SQL, @pACTION_ERROR_ACTION_ID, " +
                "@pENDPOINT_ACTIVE, @pENDPOINT_DESCRIPTION, @pENDPOINT_URI, " +
                "@pENDPOINT_AUTH_ACTIVE, @pENDPOINT_AUTH_DESCRIPTION, @pENDPOINT_AUTH_TYPE_ID, @pENDPOINT_AUTH_API_KEY, @pENDPOINT_AUTH_API_VALUE, @pENDPOINT_AUTH_API_KEY_ADD_TO_ID, @pENDPOINT_AUTH_TOKEN, @pENDPOINT_AUTH_USERNAME, @pENDPOINT_AUTH_PASSWORD, @pENDPOINT_AUTH_DOMAIN, @pENDPOINT_AUTH_WORKSTATION, " +
                "@pPROFILE_ACTIVE, @pPROFILE_TYPE_ID, @pPROFILE_MANDANTOR, @pPROFILE_NAME, @pPROFILE_DESCRIPTION, @pPROFILE_LOG_LEVEL_ID, @pPROFILE_LANGUAGE_ID, " +
                "@pRESULT_ACTION_ID, @pRESULT_STATUS_ID, @pRESULT_HEADER, @pRESULT_BODY, " +
                "@pENDPOINT_PARAMS_ACTIVE, @pENDPOINT_PARAMS_DESCRIPTION, @pENDPOINT_PARAMS_GROUP_ID, @pENDPOINT_PARAMS_SEQUENCE, @pENDPOINT_PARAMS_KEY, @pENDPOINT_PARAMS_VALUE, " +
                "@oGUID OUTPUT",
                parameters,
                cancel);
        }
        catch (SqlException ex)
        {
            if (sqlExceptionOptions.SqlExceptionNumber.Contains(ex.Number))
                throw new BadRequestException(
                    $"Insert '{request.Entity}' failed because one or more referenced entities do not exist. " +
                    "Please verify the supplied identifiers and try again.\n" +
                    ex.Message, ex);
            else
                throw;
        }

        var guidParam = parameters.Last();

        if (guidParam.Value != DBNull.Value)
            if (guidParam.Value is long longValue)
                return longValue;
            else if (long.TryParse(guidParam.Value.ToString(), out var guid))
                return guid;

        throw new InsertObjectFailedException(request, "InsertObject stored procedure did not return a valid identifier.");
    }
}