using DigitalData.Core.Abstraction.Application.Repository;
using DigitalData.Core.Exceptions;
using MediatR;
using Microsoft.Data.SqlClient;
using Microsoft.Extensions.Options;
using ReC.Application.Common.Exceptions;
using ReC.Application.Common.Options;
using ReC.Application.Common.Procedures.UpdateProcedure.Dto;
using System.Text;

namespace ReC.Application.Common.Procedures.UpdateProcedure;

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

    /// <summary>
    /// Target GUID to update (required)
    /// </summary>
    public long Id { get; set; }

    //TODO: update to set in authentication middleware or similar, and remove from procedure properties
    internal string? ChangedWho { get; private set; } = "ReC.API";

    public UpdateActionDto Action { get; set; } = new();
    public UpdateEndpointDto Endpoint { get; set; } = new();
    public UpdateEndpointAuthDto EndpointAuth { get; set; } = new();
    public UpdateProfileDto Profile { get; set; } = new();
    public UpdateResultDto Result { get; set; } = new();
    public UpdateEndpointParamsDto EndpointParams { get; set; } = new();
}

public class UpdateObjectProcedureHandler(IRepository repo, IOptionsMonitor<SqlExceptionOptions> sqlExOpt) : IRequestHandler<UpdateObjectProcedure, int>
{
    public async Task<int> Handle(UpdateObjectProcedure request, CancellationToken cancel)
    {
        var parameters = new[]
        {
            new SqlParameter("@pENTITY", request.Entity ?? (object)DBNull.Value),
            new SqlParameter("@pGUID", (object?)request.Id ?? DBNull.Value),

            new SqlParameter("@pCHANGED_WHO", (object?)request.ChangedWho ?? DBNull.Value),
            new SqlParameter("@pCHANGED_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", System.Data.SqlDbType.TinyInt) { Value = (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", System.Data.SqlDbType.SmallInt) { Value = (object?)request.Action.EndpointParamsId ?? DBNull.Value },
            new SqlParameter("@pACTION_SQL_CONNECTION_ID", System.Data.SqlDbType.SmallInt) { Value = (object?)request.Action.SqlConnectionId ?? DBNull.Value },
            new SqlParameter("@pACTION_TYPE_ID", System.Data.SqlDbType.TinyInt) { Value = (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", System.Data.SqlDbType.TinyInt) { Value = (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", System.Data.SqlDbType.TinyInt) { Value = (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("@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", System.Data.SqlDbType.SmallInt) { Value = (object?)request.EndpointParams.GroupId ?? DBNull.Value },
            new SqlParameter("@pENDPOINT_PARAMS_SEQUENCE", System.Data.SqlDbType.TinyInt) { Value = (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("@pPROFILE_ACTIVE", (object?)request.Profile.Active ?? DBNull.Value),
            new SqlParameter("@pPROFILE_TYPE_ID", System.Data.SqlDbType.TinyInt) { Value = (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", System.Data.SqlDbType.TinyInt) { Value = (object?)request.Profile.LogLevelId ?? DBNull.Value },
            new SqlParameter("@pPROFILE_LANGUAGE_ID", System.Data.SqlDbType.SmallInt) { Value = (object?)request.Profile.LanguageId ?? DBNull.Value },
            new SqlParameter("@pPROFILE_FIRST_RUN", (object?)request.Profile.FirstRun ?? DBNull.Value),
            new SqlParameter("@pPROFILE_LAST_RUN", (object?)request.Profile.LastRun ?? DBNull.Value),
            new SqlParameter("@pPROFILE_LAST_RESULT", (object?)request.Profile.LastResult ?? DBNull.Value),

            new SqlParameter("@pRESULT_ACTION_ID", (object?)request.Result.ActionId ?? DBNull.Value),
            new SqlParameter("@pRESULT_STATUS_ID", System.Data.SqlDbType.SmallInt) { Value = (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)
        };

        try
        {
            var sql = new StringBuilder()
                .AppendLine("DECLARE @RC SMALLINT = 0;")
                .AppendLine("EXEC @RC = [dbo].[PRREC_UPDATE_OBJECT]")
                .AppendLine("    @pENTITY = @pENTITY,")
                .AppendLine("    @pGUID = @pGUID,")
                .AppendLine("    @pCHANGED_WHO = @pCHANGED_WHO,")
                .AppendLine("    @pCHANGED_WHEN = @pCHANGED_WHEN,")
                .AppendLine("    @pACTION_PROFILE_ID = @pACTION_PROFILE_ID,")
                .AppendLine("    @pACTION_ACTIVE = @pACTION_ACTIVE,")
                .AppendLine("    @pACTION_SEQUENCE = @pACTION_SEQUENCE,")
                .AppendLine("    @pACTION_ENDPOINT_ID = @pACTION_ENDPOINT_ID,")
                .AppendLine("    @pACTION_ENDPOINT_AUTH_ID = @pACTION_ENDPOINT_AUTH_ID,")
                .AppendLine("    @pACTION_ENDPOINT_PARAMS_ID = @pACTION_ENDPOINT_PARAMS_ID,")
                .AppendLine("    @pACTION_SQL_CONNECTION_ID = @pACTION_SQL_CONNECTION_ID,")
                .AppendLine("    @pACTION_TYPE_ID = @pACTION_TYPE_ID,")
                .AppendLine("    @pACTION_PRE_SQL = @pACTION_PRE_SQL,")
                .AppendLine("    @pACTION_HEADER_SQL = @pACTION_HEADER_SQL,")
                .AppendLine("    @pACTION_BODY_SQL = @pACTION_BODY_SQL,")
                .AppendLine("    @pACTION_POST_SQL = @pACTION_POST_SQL,")
                .AppendLine("    @pACTION_ERROR_ACTION_ID = @pACTION_ERROR_ACTION_ID,")
                .AppendLine("    @pENDPOINT_ACTIVE = @pENDPOINT_ACTIVE,")
                .AppendLine("    @pENDPOINT_DESCRIPTION = @pENDPOINT_DESCRIPTION,")
                .AppendLine("    @pENDPOINT_URI = @pENDPOINT_URI,")
                .AppendLine("    @pENDPOINT_AUTH_ACTIVE = @pENDPOINT_AUTH_ACTIVE,")
                .AppendLine("    @pENDPOINT_AUTH_DESCRIPTION = @pENDPOINT_AUTH_DESCRIPTION,")
                .AppendLine("    @pENDPOINT_AUTH_TYPE_ID = @pENDPOINT_AUTH_TYPE_ID,")
                .AppendLine("    @pENDPOINT_AUTH_API_KEY = @pENDPOINT_AUTH_API_KEY,")
                .AppendLine("    @pENDPOINT_AUTH_API_VALUE = @pENDPOINT_AUTH_API_VALUE,")
                .AppendLine("    @pENDPOINT_AUTH_API_KEY_ADD_TO_ID = @pENDPOINT_AUTH_API_KEY_ADD_TO_ID,")
                .AppendLine("    @pENDPOINT_AUTH_TOKEN = @pENDPOINT_AUTH_TOKEN,")
                .AppendLine("    @pENDPOINT_AUTH_USERNAME = @pENDPOINT_AUTH_USERNAME,")
                .AppendLine("    @pENDPOINT_AUTH_PASSWORD = @pENDPOINT_AUTH_PASSWORD,")
                .AppendLine("    @pENDPOINT_AUTH_DOMAIN = @pENDPOINT_AUTH_DOMAIN,")
                .AppendLine("    @pENDPOINT_AUTH_WORKSTATION = @pENDPOINT_AUTH_WORKSTATION,")
                .AppendLine("    @pENDPOINT_PARAMS_ACTIVE = @pENDPOINT_PARAMS_ACTIVE,")
                .AppendLine("    @pENDPOINT_PARAMS_DESCRIPTION = @pENDPOINT_PARAMS_DESCRIPTION,")
                .AppendLine("    @pENDPOINT_PARAMS_GROUP_ID = @pENDPOINT_PARAMS_GROUP_ID,")
                .AppendLine("    @pENDPOINT_PARAMS_SEQUENCE = @pENDPOINT_PARAMS_SEQUENCE,")
                .AppendLine("    @pENDPOINT_PARAMS_KEY = @pENDPOINT_PARAMS_KEY,")
                .AppendLine("    @pENDPOINT_PARAMS_VALUE = @pENDPOINT_PARAMS_VALUE,")
                .AppendLine("    @pPROFILE_ACTIVE = @pPROFILE_ACTIVE,")
                .AppendLine("    @pPROFILE_TYPE_ID = @pPROFILE_TYPE_ID,")
                .AppendLine("    @pPROFILE_MANDANTOR = @pPROFILE_MANDANTOR,")
                .AppendLine("    @pPROFILE_NAME = @pPROFILE_NAME,")
                .AppendLine("    @pPROFILE_DESCRIPTION = @pPROFILE_DESCRIPTION,")
                .AppendLine("    @pPROFILE_LOG_LEVEL_ID = @pPROFILE_LOG_LEVEL_ID,")
                .AppendLine("    @pPROFILE_LANGUAGE_ID = @pPROFILE_LANGUAGE_ID,")
                .AppendLine("    @pPROFILE_FIRST_RUN = @pPROFILE_FIRST_RUN,")
                .AppendLine("    @pPROFILE_LAST_RUN = @pPROFILE_LAST_RUN,")
                .AppendLine("    @pPROFILE_LAST_RESULT = @pPROFILE_LAST_RESULT,")
                .AppendLine("    @pRESULT_ACTION_ID = @pRESULT_ACTION_ID,")
                .AppendLine("    @pRESULT_STATUS_ID = @pRESULT_STATUS_ID,")
                .AppendLine("    @pRESULT_HEADER = @pRESULT_HEADER,")
                .AppendLine("    @pRESULT_BODY = @pRESULT_BODY;")
                .AppendLine("SELECT @RC;")
                .ToString();

            var result = await repo.ExecuteQueryRawAsync(sql, parameters, cancel);

            // The stored procedure returns 0 on success, error codes > 0 on failure
            if (result > 0)
            {
                throw new UpdateObjectFailedException(request, $"UpdateObject stored procedure failed with error code: {result}");
            }

            return result;
        }
        catch (SqlException ex)
        {
            if (sqlExOpt.CurrentValue.BadRequestSqlExceptionNumbers.Contains(ex.Number))
                throw new BadRequestException(ex.Message, ex);
            else
                throw;
        }
    }
}