using Microsoft.EntityFrameworkCore.Migrations;
using System;

#nullable disable

namespace gehGassi.Persistence.Migrations
{
    /// <inheritdoc />
    public partial class tv_RatingsWithNamesEx : Migration
    {
        /// <inheritdoc />
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            var viewName = "tv_RatingsWithNamesEx";
            var sql = @"CREATE FUNCTION tv_RatingsWithNamesEx(@blockingAppUserId nvarchar(128)) RETURNS TABLE AS RETURN 
                            SELECT R.*, 
                            CONCAT(A.FirstName, ' ', A.LastName) AS FromName, A.Photo AS FromPhoto,
                            TargetName = 
                            CASE
	                            WHEN R.TargetType = 0 THEN CONCAT(T.FirstName, ' ', T.LastName) 
	                            WHEN R.TargetType = 1 THEN CONCAT(T.FirstName, ' ', T.LastName) 
	                            WHEN R.TargetType = 2 THEN D.Name 
	                            ELSE ''
                            END,
                            TargetPhoto = 
                            CASE
	                            WHEN R.TargetType = 0 THEN T.Photo 
	                            WHEN R.TargetType = 1 THEN T.Photo
	                            WHEN R.TargetType = 2 THEN D.Photo 
	                            ELSE ''
                            END,
                            A.Locked AS FromLocked, 
                            CAST((SELECT CASE WHEN AUB.Id IS NOT NULL THEN 1 ELSE 0 END) AS BIT)  AS FromBlocked
                            FROM Ratings R
                            LEFT JOIN AppUsers A ON R.FromId = A.Id
                            LEFT JOIN AppUsers T ON R.TargetId = T.Id
                            LEFT JOIN Dogs D ON R.TargetId = D.Id
                            LEFT OUTER JOIN AppUserBlocks AUB ON AUB.BlockedAppUserId = A.Id AND AUB.BlockingAppUserId = @blockingAppUserId";

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