using System;
using Microsoft.EntityFrameworkCore.Migrations;
using MySql.EntityFrameworkCore.Metadata;

#nullable disable

namespace FileShare_EFCore.Migrations.MySQL
{
    /// <inheritdoc />
    public partial class AddThumbnailMap : Migration
    {
        /// <inheritdoc />
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.DropColumn(
                name: "thumbnail-path",
                table: "managed-file-record");

            migrationBuilder.AddColumn<int>(
                name: "thumbnail-id",
                table: "managed-file-record",
                type: "int",
                nullable: true);

            migrationBuilder.CreateTable(
                name: "managed-thumbnail-map",
                columns: table => new
                {
                    id = table.Column<int>(type: "int", nullable: false)
                        .Annotation("MySQL:ValueGenerationStrategy", MySQLValueGenerationStrategy.IdentityColumn),
                    libraryrootid = table.Column<int>(name: "library-root-id", type: "int", nullable: false),
                    relativepath = table.Column<string>(name: "relative-path", type: "varchar(1024)", maxLength: 1024, nullable: false),
                    contenttype = table.Column<string>(name: "content-type", type: "varchar(100)", maxLength: 100, nullable: false),
                    createdat = table.Column<DateTime>(name: "created-at", type: "datetime(6)", nullable: false),
                    updatedat = table.Column<DateTime>(name: "updated-at", type: "datetime(6)", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("pk-managed-thumbnail-map", x => x.id);
                    table.ForeignKey(
                        name: "FK_managed-thumbnail-map_managed-library-root_library-root-id",
                        column: x => x.libraryrootid,
                        principalTable: "managed-library-root",
                        principalColumn: "id",
                        onDelete: ReferentialAction.Cascade);
                },
                comment: "文件缩略图映射记录")
                .Annotation("MySQL:Charset", "utf8mb4");

            migrationBuilder.CreateIndex(
                name: "idx-managed-file-record-thumbnail-id",
                table: "managed-file-record",
                column: "thumbnail-id");

            migrationBuilder.CreateIndex(
                name: "idx-managed-thumbnail-map-relative-path",
                table: "managed-thumbnail-map",
                column: "relative-path",
                unique: true);

            migrationBuilder.CreateIndex(
                name: "idx-managed-thumbnail-map-root-id",
                table: "managed-thumbnail-map",
                column: "library-root-id");

            migrationBuilder.AddForeignKey(
                name: "FK_managed-file-record_managed-thumbnail-map_thumbnail-id",
                table: "managed-file-record",
                column: "thumbnail-id",
                principalTable: "managed-thumbnail-map",
                principalColumn: "id",
                onDelete: ReferentialAction.SetNull);
        }

        /// <inheritdoc />
        protected override void Down(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.DropForeignKey(
                name: "FK_managed-file-record_managed-thumbnail-map_thumbnail-id",
                table: "managed-file-record");

            migrationBuilder.DropTable(
                name: "managed-thumbnail-map");

            migrationBuilder.DropIndex(
                name: "idx-managed-file-record-thumbnail-id",
                table: "managed-file-record");

            migrationBuilder.DropColumn(
                name: "thumbnail-id",
                table: "managed-file-record");

            migrationBuilder.AddColumn<string>(
                name: "thumbnail-path",
                table: "managed-file-record",
                type: "varchar(512)",
                maxLength: 512,
                nullable: true);
        }
    }
}