using Microsoft.EntityFrameworkCore.Migrations;
using System;

#nullable disable

namespace gehGassi.Persistence.Migrations
{
    /// <inheritdoc />
    public partial class FaqExtended : Migration
    {
        /// <inheritdoc />
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.AddColumn<int>(
                name: "Type",
                table: "Faqs",
                type: "int",
                nullable: false,
                defaultValue: 30);

            var viewName = "tv_FaqsWithNames";
            var sql = @"CREATE FUNCTION tv_FaqsWithNames (@language nvarchar(2), @fallback nvarchar(2)) RETURNS TABLE AS RETURN 
                        SELECT dbo.Faqs.*, 
                        Isnull(JSON_VALUE(dbo.Faqs.QuestionLocalized, '$.' + @language), JSON_VALUE(dbo.Faqs.QuestionLocalized, '$.' + @fallback)) AS Question,
                        Isnull(JSON_VALUE(dbo.Faqs.AnswerLocalized, '$.' + @language), JSON_VALUE(dbo.Faqs.AnswerLocalized, '$.' + @fallback)) AS Answer
                        FROM dbo.Faqs";

            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: "Type",
                table: "Faqs");

            var viewName = "tv_FaqsWithNames";
            var sql = @"CREATE FUNCTION tv_FaqsWithNames (@language nvarchar(2), @fallback nvarchar(2)) RETURNS TABLE AS RETURN 
                        SELECT dbo.Faqs.*, 
                        Isnull(JSON_VALUE(dbo.Faqs.QuestionLocalized, '$.' + @language), JSON_VALUE(dbo.Faqs.QuestionLocalized, '$.' + @fallback)) AS Question,
                        Isnull(JSON_VALUE(dbo.Faqs.AnswerLocalized, '$.' + @language), JSON_VALUE(dbo.Faqs.AnswerLocalized, '$.' + @fallback)) AS Answer
                        FROM dbo.Faqs";

            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");
        }
    }
}