using System;
using Microsoft.EntityFrameworkCore.Migrations;

#nullable disable

namespace Jiaowu.Api.Infrastructure.Persistence.Migrations.MySql
{
    /// <inheritdoc />
    public partial class CourseSelection : Migration
    {
        /// <inheritdoc />
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.CreateTable(
                name: "CourseSelectionRounds",
                columns: table => new
                {
                    Id = table.Column<Guid>(type: "char(36)", nullable: false),
                    AcademicTermId = table.Column<Guid>(type: "char(36)", nullable: false),
                    Name = table.Column<string>(type: "varchar(120)", maxLength: 120, nullable: false),
                    StartsAt = table.Column<DateTime>(type: "datetime(6)", nullable: false),
                    EndsAt = table.Column<DateTime>(type: "datetime(6)", nullable: false),
                    WithdrawalEndsAt = table.Column<DateTime>(type: "datetime(6)", nullable: false),
                    MaxCredits = table.Column<decimal>(type: "decimal(6,1)", precision: 6, scale: 1, nullable: false),
                    Status = table.Column<int>(type: "int", nullable: false),
                    Notes = table.Column<string>(type: "varchar(500)", maxLength: 500, nullable: true),
                    CreatedAt = table.Column<DateTime>(type: "datetime(6)", nullable: false),
                    UpdatedAt = table.Column<DateTime>(type: "datetime(6)", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_CourseSelectionRounds", x => x.Id);
                    table.ForeignKey(
                        name: "FK_CourseSelectionRounds_AcademicTerms_AcademicTermId",
                        column: x => x.AcademicTermId,
                        principalTable: "AcademicTerms",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Restrict);
                })
                .Annotation("MySQL:Charset", "utf8mb4");

            migrationBuilder.CreateTable(
                name: "CourseSelectionOfferings",
                columns: table => new
                {
                    Id = table.Column<Guid>(type: "char(36)", nullable: false),
                    CourseSelectionRoundId = table.Column<Guid>(type: "char(36)", nullable: false),
                    TeachingTaskId = table.Column<Guid>(type: "char(36)", nullable: false),
                    Capacity = table.Column<int>(type: "int", nullable: false),
                    IsOpenToAll = table.Column<bool>(type: "tinyint(1)", nullable: false),
                    Notes = table.Column<string>(type: "varchar(500)", maxLength: 500, nullable: true),
                    CreatedAt = table.Column<DateTime>(type: "datetime(6)", nullable: false),
                    UpdatedAt = table.Column<DateTime>(type: "datetime(6)", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_CourseSelectionOfferings", x => x.Id);
                    table.ForeignKey(
                        name: "FK_CourseSelectionOfferings_CourseSelectionRounds_CourseSelecti~",
                        column: x => x.CourseSelectionRoundId,
                        principalTable: "CourseSelectionRounds",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Cascade);
                    table.ForeignKey(
                        name: "FK_CourseSelectionOfferings_TeachingTasks_TeachingTaskId",
                        column: x => x.TeachingTaskId,
                        principalTable: "TeachingTasks",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Restrict);
                })
                .Annotation("MySQL:Charset", "utf8mb4");

            migrationBuilder.CreateTable(
                name: "CourseEnrollments",
                columns: table => new
                {
                    Id = table.Column<Guid>(type: "char(36)", nullable: false),
                    CourseSelectionOfferingId = table.Column<Guid>(type: "char(36)", nullable: false),
                    StudentId = table.Column<Guid>(type: "char(36)", nullable: false),
                    Status = table.Column<int>(type: "int", nullable: false),
                    EnrolledAt = table.Column<DateTime>(type: "datetime(6)", nullable: false),
                    WithdrawnAt = table.Column<DateTime>(type: "datetime(6)", nullable: true),
                    CreatedAt = table.Column<DateTime>(type: "datetime(6)", nullable: false),
                    UpdatedAt = table.Column<DateTime>(type: "datetime(6)", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_CourseEnrollments", x => x.Id);
                    table.ForeignKey(
                        name: "FK_CourseEnrollments_CourseSelectionOfferings_CourseSelectionOf~",
                        column: x => x.CourseSelectionOfferingId,
                        principalTable: "CourseSelectionOfferings",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Cascade);
                    table.ForeignKey(
                        name: "FK_CourseEnrollments_Students_StudentId",
                        column: x => x.StudentId,
                        principalTable: "Students",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Restrict);
                })
                .Annotation("MySQL:Charset", "utf8mb4");

            migrationBuilder.CreateIndex(
                name: "IX_CourseEnrollments_CourseSelectionOfferingId_StudentId",
                table: "CourseEnrollments",
                columns: new[] { "CourseSelectionOfferingId", "StudentId" },
                unique: true);

            migrationBuilder.CreateIndex(
                name: "IX_CourseEnrollments_StudentId_Status",
                table: "CourseEnrollments",
                columns: new[] { "StudentId", "Status" });

            migrationBuilder.CreateIndex(
                name: "IX_CourseSelectionOfferings_CourseSelectionRoundId_TeachingTask~",
                table: "CourseSelectionOfferings",
                columns: new[] { "CourseSelectionRoundId", "TeachingTaskId" },
                unique: true);

            migrationBuilder.CreateIndex(
                name: "IX_CourseSelectionOfferings_TeachingTaskId",
                table: "CourseSelectionOfferings",
                column: "TeachingTaskId");

            migrationBuilder.CreateIndex(
                name: "IX_CourseSelectionRounds_AcademicTermId_Status",
                table: "CourseSelectionRounds",
                columns: new[] { "AcademicTermId", "Status" });
        }

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

            migrationBuilder.DropTable(
                name: "CourseSelectionOfferings");

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