using System;
using Microsoft.EntityFrameworkCore.Migrations;

#nullable disable

namespace SchoolScheduleDataBaseImplement.Migrations
{
    /// <inheritdoc />
    public partial class InitialCreate : Migration
    {
        /// <inheritdoc />
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.CreateTable(
                name: "Grades",
                columns: table => new
                {
                    Id = table.Column<int>(type: "int", nullable: false)
                        .Annotation("SqlServer:Identity", "1, 1"),
                    Year = table.Column<int>(type: "int", nullable: false),
                    Letter = table.Column<string>(type: "nvarchar(1)", nullable: false),
                    TeacherId = table.Column<int>(type: "int", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_Grades", x => x.Id);
                });

            migrationBuilder.CreateTable(
                name: "SchedulePlaces",
                columns: table => new
                {
                    Id = table.Column<int>(type: "int", nullable: false)
                        .Annotation("SqlServer:Identity", "1, 1"),
                    Time = table.Column<TimeOnly>(type: "time", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_SchedulePlaces", x => x.Id);
                });

            migrationBuilder.CreateTable(
                name: "Subjects",
                columns: table => new
                {
                    Id = table.Column<int>(type: "int", nullable: false)
                        .Annotation("SqlServer:Identity", "1, 1"),
                    SubjectName = table.Column<string>(type: "nvarchar(max)", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_Subjects", x => x.Id);
                });

            migrationBuilder.CreateTable(
                name: "Students",
                columns: table => new
                {
                    Id = table.Column<int>(type: "int", nullable: false)
                        .Annotation("SqlServer:Identity", "1, 1"),
                    FullName = table.Column<string>(type: "nvarchar(max)", nullable: false),
                    GradeId = table.Column<int>(type: "int", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_Students", x => x.Id);
                    table.ForeignKey(
                        name: "FK_Students_Grades_GradeId",
                        column: x => x.GradeId,
                        principalTable: "Grades",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Cascade);
                });

            migrationBuilder.CreateTable(
                name: "Teachers",
                columns: table => new
                {
                    Id = table.Column<int>(type: "int", nullable: false)
                        .Annotation("SqlServer:Identity", "1, 1"),
                    FullName = table.Column<string>(type: "nvarchar(max)", nullable: false),
                    TeacherId = table.Column<int>(type: "int", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_Teachers", x => x.Id);
                    table.ForeignKey(
                        name: "FK_Teachers_Grades_TeacherId",
                        column: x => x.TeacherId,
                        principalTable: "Grades",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Cascade);
                });

            migrationBuilder.CreateTable(
                name: "Lessons",
                columns: table => new
                {
                    Id = table.Column<int>(type: "int", nullable: false)
                        .Annotation("SqlServer:Identity", "1, 1"),
                    Date = table.Column<DateOnly>(type: "date", nullable: false),
                    Homework = table.Column<string>(type: "nvarchar(max)", nullable: false),
                    SchedulePlaceId = table.Column<int>(type: "int", nullable: false),
                    TeacherId = table.Column<int>(type: "int", nullable: false),
                    SubjectId = table.Column<int>(type: "int", nullable: false),
                    GradeId = table.Column<int>(type: "int", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_Lessons", x => x.Id);
                    table.ForeignKey(
                        name: "FK_Lessons_Grades_GradeId",
                        column: x => x.GradeId,
                        principalTable: "Grades",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Cascade);
                    table.ForeignKey(
                        name: "FK_Lessons_SchedulePlaces_SchedulePlaceId",
                        column: x => x.SchedulePlaceId,
                        principalTable: "SchedulePlaces",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Cascade);
                    table.ForeignKey(
                        name: "FK_Lessons_Subjects_SubjectId",
                        column: x => x.SubjectId,
                        principalTable: "Subjects",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Cascade);
                    table.ForeignKey(
                        name: "FK_Lessons_Teachers_TeacherId",
                        column: x => x.TeacherId,
                        principalTable: "Teachers",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Restrict);
                });

            migrationBuilder.CreateTable(
                name: "LessonStudents",
                columns: table => new
                {
                    Id = table.Column<int>(type: "int", nullable: false)
                        .Annotation("SqlServer:Identity", "1, 1"),
                    StudentId = table.Column<int>(type: "int", nullable: false),
                    LessonId = table.Column<int>(type: "int", nullable: false),
                    Status = table.Column<int>(type: "int", nullable: false),
                    Mark = table.Column<int>(type: "int", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_LessonStudents", x => x.Id);
                    table.ForeignKey(
                        name: "FK_LessonStudents_Lessons_LessonId",
                        column: x => x.LessonId,
                        principalTable: "Lessons",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Cascade);
                    table.ForeignKey(
                        name: "FK_LessonStudents_Students_StudentId",
                        column: x => x.StudentId,
                        principalTable: "Students",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Restrict);
                });

            migrationBuilder.CreateIndex(
                name: "IX_Lessons_GradeId",
                table: "Lessons",
                column: "GradeId");

            migrationBuilder.CreateIndex(
                name: "IX_Lessons_SchedulePlaceId",
                table: "Lessons",
                column: "SchedulePlaceId");

            migrationBuilder.CreateIndex(
                name: "IX_Lessons_SubjectId",
                table: "Lessons",
                column: "SubjectId");

            migrationBuilder.CreateIndex(
                name: "IX_Lessons_TeacherId",
                table: "Lessons",
                column: "TeacherId");

            migrationBuilder.CreateIndex(
                name: "IX_LessonStudents_LessonId",
                table: "LessonStudents",
                column: "LessonId");

            migrationBuilder.CreateIndex(
                name: "IX_LessonStudents_StudentId",
                table: "LessonStudents",
                column: "StudentId");

            migrationBuilder.CreateIndex(
                name: "IX_Students_GradeId",
                table: "Students",
                column: "GradeId");

            migrationBuilder.CreateIndex(
                name: "IX_Teachers_TeacherId",
                table: "Teachers",
                column: "TeacherId",
                unique: true);
        }

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

            migrationBuilder.DropTable(
                name: "Lessons");

            migrationBuilder.DropTable(
                name: "Students");

            migrationBuilder.DropTable(
                name: "SchedulePlaces");

            migrationBuilder.DropTable(
                name: "Subjects");

            migrationBuilder.DropTable(
                name: "Teachers");

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