using Microsoft.EntityFrameworkCore.Migrations;
using System;

#nullable disable

namespace gehGassi.Persistence.Migrations
{
    /// <inheritdoc />
    public partial class WalkVoucherAdded : Migration
    {
        /// <inheritdoc />
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.AddColumn<decimal>(
                name: "VoucherAmmount",
                table: "Walks",
                type: "decimal(18,2)",
                nullable: false,
                defaultValue: 0m);

            migrationBuilder.AddColumn<string>(
                name: "VoucherId",
                table: "Walks",
                type: "nvarchar(max)",
                nullable: true);

            migrationBuilder.Sql("UPDATE Walks SET VoucherAmmount = 0");

            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,
                            IsNull(DW.Locked,0) AS DogWalkerLocked, CAST((SELECT CASE WHEN AUBDW.Id IS NOT NULL THEN 1 ELSE 0 END) AS BIT)  AS DogWalkerBlocked,
                            CONCAT(DO.FirstName, ' ' , DO.LastName) AS DogOwnerName, DO.Photo AS DogOwnerPhoto,
                            IsNull(DO.Locked,0) AS DogOwnerLocked, CAST((SELECT CASE WHEN AUBDO.Id IS NOT NULL THEN 1 ELSE 0 END) AS BIT)  AS DogOwnerBlocked
                            FROM Walks W
                            LEFT JOIN AppUsers DW ON W.DogWalkerId = DW.Id
                            LEFT JOIN AppUsers DO ON W.DogOwnerId = DO.Id
                            LEFT OUTER JOIN AppUserBlocks AUBDW ON AUBDW.BlockedAppUserId = DW.Id AND AUBDW.BlockingAppUserId = DO.Id
                            LEFT OUTER JOIN AppUserBlocks AUBDO ON AUBDO.BlockedAppUserId = DO.Id AND AUBDO.BlockingAppUserId = DW.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");
        }

        /// <inheritdoc />
        protected override void Down(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.DropColumn(
                name: "VoucherAmmount",
                table: "Walks");

            migrationBuilder.DropColumn(
                name: "VoucherId",
                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,
                            IsNull(DW.Locked,0) AS DogWalkerLocked, CAST((SELECT CASE WHEN AUBDW.Id IS NOT NULL THEN 1 ELSE 0 END) AS BIT)  AS DogWalkerBlocked,
                            CONCAT(DO.FirstName, ' ' , DO.LastName) AS DogOwnerName, DO.Photo AS DogOwnerPhoto,
                            IsNull(DO.Locked,0) AS DogOwnerLocked, CAST((SELECT CASE WHEN AUBDO.Id IS NOT NULL THEN 1 ELSE 0 END) AS BIT)  AS DogOwnerBlocked
                            FROM Walks W
                            LEFT JOIN AppUsers DW ON W.DogWalkerId = DW.Id
                            LEFT JOIN AppUsers DO ON W.DogOwnerId = DO.Id
                            LEFT OUTER JOIN AppUserBlocks AUBDW ON AUBDW.BlockedAppUserId = DW.Id AND AUBDW.BlockingAppUserId = DO.Id
                            LEFT OUTER JOIN AppUserBlocks AUBDO ON AUBDO.BlockedAppUserId = DO.Id AND AUBDO.BlockingAppUserId = DW.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");
        }
    }
}