using System;
using Microsoft.EntityFrameworkCore.Migrations;

#nullable disable

namespace gehGassi.Persistence.Migrations
{
    /// <inheritdoc />
    public partial class AppVersionAdded : Migration
    {
        /// <inheritdoc />
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.CreateTable(
                name: "AppVersions",
                columns: table => new
                {
                    Id = table.Column<int>(type: "int", nullable: false)
                        .Annotation("SqlServer:Identity", "1, 1"),
                    Platform = table.Column<int>(type: "int", nullable: false),
                    Major = table.Column<int>(type: "int", nullable: false),
                    Minor = table.Column<int>(type: "int", nullable: false),
                    Build = table.Column<int>(type: "int", nullable: true),
                    Revision = table.Column<int>(type: "int", nullable: true),
                    Version = table.Column<string>(type: "nvarchar(100)", maxLength: 100, nullable: false),
                    IsCurrent = table.Column<bool>(type: "bit", nullable: false),
                    IsMandatory = table.Column<bool>(type: "bit", nullable: false),
                    ReleaseTitleLocalized = table.Column<string>(type: "nvarchar(max)", nullable: true),
                    ReleaseNotesLocalized = table.Column<string>(type: "nvarchar(max)", nullable: true),
                    ReleaseDate = table.Column<DateTimeOffset>(type: "datetimeoffset", nullable: false),
                    LastUpdate = table.Column<DateTimeOffset>(type: "datetimeoffset", nullable: false),
                    Created = table.Column<DateTimeOffset>(type: "datetimeoffset", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_AppVersions", x => x.Id);
                });

            var viewName = "tv_AppVersionsWithNames";
            var sql = @"CREATE FUNCTION tv_AppVersionsWithNames (@language nvarchar(2), @fallback nvarchar(2)) RETURNS TABLE AS RETURN 
                            SELECT dbo.AppVersions.*, 
                            Isnull(JSON_VALUE(dbo.AppVersions.ReleaseTitleLocalized, '$.' + @language), JSON_VALUE(dbo.AppVersions.ReleaseTitleLocalized, '$.' + @fallback)) AS ReleaseTitle,
                            Isnull(JSON_VALUE(dbo.AppVersions.ReleaseNotesLocalized, '$.' + @language), JSON_VALUE(dbo.AppVersions.ReleaseNotesLocalized, '$.' + @fallback)) AS ReleaseNotes
                            FROM dbo.AppVersions";

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

            migrationBuilder.DropTable(
                name: "AppVersions");
        }
    }
}