using System;
using Microsoft.EntityFrameworkCore.Migrations;

#nullable disable

namespace gehGassi.Persistence.Migrations
{
    /// <inheritdoc />
    public partial class tv_DogWalkersEx : Migration
    {
        /// <inheritdoc />
        protected override void Up(MigrationBuilder migrationBuilder)
        {
	        var viewName = "tv_DogWalkers";
	        var sql = @"CREATE FUNCTION tv_DogWalkers (@blockingAppUserId nvarchar(128)) RETURNS TABLE AS RETURN 
                        SELECT DW.*
                        FROM vw_DogWalkers AS DW
                        LEFT OUTER JOIN AppUserBlocks AUB ON AUB.BlockedAppUserId = DW.Id AND AUB.BlockingAppUserId = @blockingAppUserId
                        WHERE ISNULL(AUB.Id, 0) = 0";

	        migrationBuilder.Sql($"IF(exists (SELECT 1  FROM sys.objects WHERE Name = '{viewName}')) BEGIN DROP FUNCTION [dbo].[{viewName}] END {Environment.NewLine} GO");
	        migrationBuilder.Sql($"{sql} {Environment.NewLine} GO");
		}

        /// <inheritdoc />
        protected override void Down(MigrationBuilder migrationBuilder)
        {
	        var viewName = "tv_DogWalkers";
	        var sql = @"CREATE FUNCTION tv_DogWalkers (@blockingAppUserId nvarchar(128)) RETURNS TABLE AS RETURN 
                        SELECT DW.*
                        FROM vw_DogWalkers AS DW
                        LEFT OUTER JOIN AppUserBlocks AUB ON AUB.BlockedAppUserId = DW.Id AND AUB.BlockingAppUserId = @blockingAppUserId
                        WHERE ISNULL(AUB.Id, 0) = 0";

	        migrationBuilder.Sql($"IF(exists (SELECT 1  FROM sys.objects WHERE Name = '{viewName}')) BEGIN DROP FUNCTION [dbo].[{viewName}] END {Environment.NewLine} GO");
	        migrationBuilder.Sql($"{sql} {Environment.NewLine} GO");
		}
    }
}