using System;
using Microsoft.EntityFrameworkCore.Migrations;

#nullable disable

namespace Jiaowu.Api.Infrastructure.Persistence.Migrations.MySql
{
    /// <inheritdoc />
    public partial class TeacherCourseApplications : Migration
    {
        /// <inheritdoc />
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.AddColumn<string>(
                name: "GenerationBatchCode",
                table: "TeachingTasks",
                type: "varchar(40)",
                maxLength: 40,
                nullable: true);

            migrationBuilder.CreateTable(
                name: "TeacherCourseApplications",
                columns: table => new
                {
                    Id = table.Column<Guid>(type: "char(36)", nullable: false),
                    AcademicTermId = table.Column<Guid>(type: "char(36)", nullable: false),
                    TeacherId = table.Column<Guid>(type: "char(36)", nullable: false),
                    CourseId = table.Column<Guid>(type: "char(36)", nullable: false),
                    Status = table.Column<int>(type: "int", nullable: false),
                    Statement = table.Column<string>(type: "varchar(500)", maxLength: 500, nullable: true),
                    ReviewComment = table.Column<string>(type: "varchar(500)", maxLength: 500, nullable: true),
                    SubmittedAt = table.Column<DateTime>(type: "datetime(6)", nullable: false),
                    ReviewedAt = table.Column<DateTime>(type: "datetime(6)", nullable: true),
                    ReviewedByUserId = table.Column<Guid>(type: "char(36)", 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_TeacherCourseApplications", x => x.Id);
                    table.ForeignKey(
                        name: "FK_TeacherCourseApplications_AcademicTerms_AcademicTermId",
                        column: x => x.AcademicTermId,
                        principalTable: "AcademicTerms",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Restrict);
                    table.ForeignKey(
                        name: "FK_TeacherCourseApplications_AspNetUsers_ReviewedByUserId",
                        column: x => x.ReviewedByUserId,
                        principalTable: "AspNetUsers",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.SetNull);
                    table.ForeignKey(
                        name: "FK_TeacherCourseApplications_Courses_CourseId",
                        column: x => x.CourseId,
                        principalTable: "Courses",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Restrict);
                    table.ForeignKey(
                        name: "FK_TeacherCourseApplications_Teachers_TeacherId",
                        column: x => x.TeacherId,
                        principalTable: "Teachers",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Cascade);
                })
                .Annotation("MySQL:Charset", "utf8mb4");

            migrationBuilder.CreateIndex(
                name: "IX_TeacherCourseApplications_AcademicTermId_TeacherId_CourseId",
                table: "TeacherCourseApplications",
                columns: new[] { "AcademicTermId", "TeacherId", "CourseId" },
                unique: true);

            migrationBuilder.CreateIndex(
                name: "IX_TeacherCourseApplications_CourseId",
                table: "TeacherCourseApplications",
                column: "CourseId");

            migrationBuilder.CreateIndex(
                name: "IX_TeacherCourseApplications_ReviewedByUserId",
                table: "TeacherCourseApplications",
                column: "ReviewedByUserId");

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

            migrationBuilder.CreateIndex(
                name: "IX_TeacherCourseApplications_TeacherId",
                table: "TeacherCourseApplications",
                column: "TeacherId");
        }

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

            migrationBuilder.DropColumn(
                name: "GenerationBatchCode",
                table: "TeachingTasks");
        }
    }
}
