using System;
using Microsoft.EntityFrameworkCore.Migrations;

#nullable disable

namespace gehGassi.Persistence.Migrations
{
    /// <inheritdoc />
    public partial class CustomerDateOnlyChanges : Migration
    {
        /// <inheritdoc />
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.AlterColumn<DateTimeOffset>(
                name: "MangopayContactBirthdate",
                table: "Customers",
                type: "datetimeoffset",
                nullable: true,
                oldClrType: typeof(DateOnly),
                oldType: "date",
                oldNullable: true);

            var viewName = "tv_CustomersWithNames";
            var sql = @"CREATE FUNCTION tv_CustomersWithNames (@language nvarchar(2), @fallback nvarchar(2)) RETURNS TABLE AS RETURN 
                        SELECT dbo.Customers.*, dbo.CustomerTypes.Name AS TypeName, BN.Name AS BranchName
                        FROM dbo.Customers
	                    LEFT JOIN dbo.CustomerTypes ON dbo.Customers.TypeId = dbo.CustomerTypes.Id
                        LEFT JOIN dbo.tv_BranchesWithNames(@language, @fallback) BN ON dbo.Customers.BranchId = BN.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.AlterColumn<DateOnly>(
                name: "MangopayContactBirthdate",
                table: "Customers",
                type: "date",
                nullable: true,
                oldClrType: typeof(DateTimeOffset),
                oldType: "datetimeoffset",
                oldNullable: true);

            var viewName = "tv_CustomersWithNames";
            var sql = @"CREATE FUNCTION tv_CustomersWithNames (@language nvarchar(2), @fallback nvarchar(2)) RETURNS TABLE AS RETURN 
                        SELECT dbo.Customers.*, dbo.CustomerTypes.Name AS TypeName, BN.Name AS BranchName
                        FROM dbo.Customers
	                    LEFT JOIN dbo.CustomerTypes ON dbo.Customers.TypeId = dbo.CustomerTypes.Id
                        LEFT JOIN dbo.tv_BranchesWithNames(@language, @fallback) BN ON dbo.Customers.BranchId = BN.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");
        }
    }
}