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

#nullable disable

namespace GermanApp.Infrastructure.Data.Migrations
{
    /// <inheritdoc />
    public partial class AddQuizQuestionTables : Migration
    {
        /// <inheritdoc />
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.CreateTable(
                name: "QuizQuestions",
                columns: table => new
                {
                    Id = table.Column<int>(type: "integer", nullable: false)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    LessonId = table.Column<int>(type: "integer", nullable: false),
                    QuestionText = table.Column<string>(type: "character varying(2000)", maxLength: 2000, nullable: false),
                    Type = table.Column<int>(type: "integer", nullable: false),
                    CorrectAnswer = table.Column<string>(type: "character varying(1000)", maxLength: 1000, nullable: true),
                    Difficulty = table.Column<int>(type: "integer", nullable: false, defaultValue: 3),
                    Order = table.Column<int>(type: "integer", nullable: false, defaultValue: 1),
                    IsActive = table.Column<bool>(type: "boolean", nullable: false, defaultValue: true),
                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_QuizQuestions", x => x.Id);
                    table.ForeignKey(
                        name: "FK_QuizQuestions_Lessons_LessonId",
                        column: x => x.LessonId,
                        principalTable: "Lessons",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Cascade);
                });

            migrationBuilder.CreateTable(
                name: "QuizOptions",
                columns: table => new
                {
                    Id = table.Column<int>(type: "integer", nullable: false)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    QuizQuestionId = table.Column<int>(type: "integer", nullable: false),
                    Text = table.Column<string>(type: "character varying(1000)", maxLength: 1000, nullable: false),
                    IsCorrect = table.Column<bool>(type: "boolean", nullable: false, defaultValue: false),
                    Order = table.Column<int>(type: "integer", nullable: false, defaultValue: 1)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_QuizOptions", x => x.Id);
                    table.ForeignKey(
                        name: "FK_QuizOptions_QuizQuestions_QuizQuestionId",
                        column: x => x.QuizQuestionId,
                        principalTable: "QuizQuestions",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Cascade);
                });

            migrationBuilder.CreateIndex(
                name: "IX_QuizOptions_QuizQuestionId_Order",
                table: "QuizOptions",
                columns: new[] { "QuizQuestionId", "Order" },
                unique: true);

            migrationBuilder.CreateIndex(
                name: "IX_QuizQuestions_LessonId_Order",
                table: "QuizQuestions",
                columns: new[] { "LessonId", "Order" },
                unique: true);
        }

        /// <inheritdoc />
        protected override void Down(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.DropTable(
                name: "QuizOptions");

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