using Microsoft.EntityFrameworkCore.Migrations;
using System;

#nullable disable

namespace gehGassi.Persistence.Migrations
{
    public partial class vw_RatingsWithNamesAdded : Migration
    {
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            var viewName = "vw_RatingsWithNames";
            var sql = @"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
                        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";

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

        protected override void Down(MigrationBuilder migrationBuilder)
        {
            var viewName = "vw_RatingsWithNames";
            migrationBuilder.Sql($"IF(exists (SELECT 1  FROM sys.views WHERE Name = '{viewName}')) BEGIN DROP VIEW [dbo].[{viewName}] END {Environment.NewLine} GO");
        }
    }
}