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

#nullable disable

namespace Avalonia_EFCore.Migrations.SQLite
{
    /// <summary>
    /// 初始数据库基线。后续软件版本只追加新的 Migration，不修改已发布 Migration。
    /// </summary>
    public partial class InitialCreate : Migration
    {
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.CreateTable(
                name: "user",
                columns: table => new
                {
                    Id = table.Column<int>(name: "id", nullable: false, comment: "用户主键")
                        .Annotation("SqlServer:Identity", "1, 1")
                        .Annotation("Sqlite:Autoincrement", true)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    Name = table.Column<string>(name: "name", maxLength: 100, nullable: true, comment: "用户名称"),
                    Email = table.Column<string>(name: "email", maxLength: 200, nullable: true, comment: "用户邮箱"),
                    CreatedAt = table.Column<DateTime>(name: "created-at", nullable: false, comment: "创建时间"),
                    UpdatedAt = table.Column<DateTime>(name: "updated-at", nullable: false, comment: "更新时间")
                },
                constraints: table =>
                {
                    table.PrimaryKey("pk-user", x => x.Id);
                },
                comment: "用户实体，演示数据库 CRUD 操作");

            migrationBuilder.CreateTable(
                name: "weather-forecast",
                columns: table => new
                {
                    Id = table.Column<int>(name: "id", nullable: false, comment: "天气预报主键")
                        .Annotation("SqlServer:Identity", "1, 1")
                        .Annotation("Sqlite:Autoincrement", true)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    Date = table.Column<DateOnly>(name: "date", nullable: false, comment: "预报日期"),
                    TemperatureC = table.Column<int>(name: "temperature-c", nullable: false, comment: "摄氏温度"),
                    Summary = table.Column<string>(name: "summary", maxLength: 200, nullable: true, comment: "天气摘要"),
                    CreatedAt = table.Column<DateTime>(name: "created-at", nullable: false, comment: "创建时间"),
                    UpdatedAt = table.Column<DateTime>(name: "updated-at", nullable: false, comment: "更新时间")
                },
                constraints: table =>
                {
                    table.PrimaryKey("pk-weather-forecast", x => x.Id);
                },
                comment: "天气预报数据实体");
        }

        protected override void Down(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.DropTable(name: "weather-forecast");
            migrationBuilder.DropTable(name: "user");
        }
    }
}