using System;
using Microsoft.EntityFrameworkCore.Migrations;

#nullable disable

namespace gehGassi.Persistence.Migrations
{
    public partial class WalkStartedAndCompletedDateAdded : Migration
    {
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.AddColumn<DateTimeOffset>(
                name: "Completed",
                table: "Walks",
                type: "datetimeoffset",
                nullable: true);

            migrationBuilder.AddColumn<DateTimeOffset>(
                name: "Started",
                table: "Walks",
                type: "datetimeoffset",
                nullable: true);

            var viewName = "tv_WalksWithNames";
            var sql = @"CREATE FUNCTION tv_WalksWithNames() RETURNS TABLE AS RETURN 
                            SELECT W.*,
                            CONCAT(DW.FirstName, ' ' , DW.LastName) AS DogWalkerName, DW.Photo AS DogWalkerPhoto,
                            CONCAT(DO.FirstName, ' ' , DO.LastName) AS DogOwnerName, DO.Photo AS DogOwnerPhoto
                            FROM Walks W
                            LEFT JOIN AppUsers DW ON W.DogWalkerId = DW.Id
                            LEFT JOIN AppUsers DO ON W.DogOwnerId = DO.Id";

            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");
        }

        protected override void Down(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.DropColumn(
                name: "Completed",
                table: "Walks");

            migrationBuilder.DropColumn(
                name: "Started",
                table: "Walks");

            var viewName = "tv_WalksWithNames";
            var sql = @"CREATE FUNCTION tv_WalksWithNames() RETURNS TABLE AS RETURN 
                            SELECT W.*,
                            CONCAT(DW.FirstName, ' ' , DW.LastName) AS DogWalkerName, DW.Photo AS DogWalkerPhoto,
                            CONCAT(DO.FirstName, ' ' , DO.LastName) AS DogOwnerName, DO.Photo AS DogOwnerPhoto
                            FROM Walks W
                            LEFT JOIN AppUsers DW ON W.DogWalkerId = DW.Id
                            LEFT JOIN AppUsers DO ON W.DogOwnerId = DO.Id";

            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");
        }
    }
}