using System;
using Microsoft.EntityFrameworkCore.Migrations;
using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;

namespace SimpleModelsAndRelations.Migrations
{
    public partial class InitialCreateDb : Migration
    {
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.CreateTable(
                name: "Products",
                columns: table => new
                {
                    Id = table.Column<int>(nullable: false)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    Name = table.Column<string>(nullable: true),
                    Price = table.Column<float>(nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_Products", x => x.Id);
                });

            migrationBuilder.CreateTable(
                name: "Users",
                columns: table => new
                {
                    Id = table.Column<int>(nullable: false)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    Name = table.Column<string>(nullable: true)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_Users", x => x.Id);
                });

            migrationBuilder.CreateTable(
                name: "Orders",
                columns: table => new
                {
                    Id = table.Column<int>(nullable: false)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    Date = table.Column<DateTime>(nullable: false),
                    UserId = table.Column<int>(nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_Orders", x => x.Id);
                    table.ForeignKey(
                        name: "FK_Orders_Users_UserId",
                        column: x => x.UserId,
                        principalTable: "Users",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Cascade);
                });

            migrationBuilder.CreateTable(
                name: "Order_Products",
                columns: table => new
                {
                    ProductId = table.Column<int>(nullable: false),
                    OrderId = table.Column<int>(nullable: false),
                    Quantity = table.Column<int>(nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_Order_Products", x => new { x.ProductId, x.OrderId });
                    table.ForeignKey(
                        name: "FK_Order_Products_Orders_OrderId",
                        column: x => x.OrderId,
                        principalTable: "Orders",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Cascade);
                    table.ForeignKey(
                        name: "FK_Order_Products_Products_ProductId",
                        column: x => x.ProductId,
                        principalTable: "Products",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Cascade);
                });

            migrationBuilder.CreateIndex(
                name: "IX_Order_Products_OrderId",
                table: "Order_Products",
                column: "OrderId");

            migrationBuilder.CreateIndex(
                name: "IX_Orders_UserId",
                table: "Orders",
                column: "UserId");
        }

        protected override void Down(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.DropTable(
                name: "Order_Products");

            migrationBuilder.DropTable(
                name: "Orders");

            migrationBuilder.DropTable(
                name: "Products");

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