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

#nullable disable

namespace TakeoutSaaS.Infrastructure.Migrations
{
    /// <inheritdoc />
    public partial class AddProductLabels : Migration
    {
        /// <inheritdoc />
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.CreateTable(
                name: "product_label_products",
                columns: table => new
                {
                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    StoreId = table.Column<long>(type: "bigint", nullable: false, comment: "所属门店。"),
                    LabelId = table.Column<long>(type: "bigint", nullable: false, comment: "标签 ID。"),
                    ProductId = table.Column<long>(type: "bigint", nullable: false, comment: "商品 ID。"),
                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_product_label_products", x => x.Id);
                },
                comment: "标签与商品关联关系。");

            migrationBuilder.CreateTable(
                name: "product_labels",
                columns: table => new
                {
                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    StoreId = table.Column<long>(type: "bigint", nullable: false, comment: "所属门店。"),
                    Name = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "标签名称。"),
                    Color = table.Column<string>(type: "character varying(32)", maxLength: 32, nullable: false, comment: "标签颜色（HEX）。"),
                    SortOrder = table.Column<int>(type: "integer", nullable: false, comment: "排序值。"),
                    IsEnabled = table.Column<bool>(type: "boolean", nullable: false, comment: "是否启用。"),
                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_product_labels", x => x.Id);
                },
                comment: "商品标签模板（门店维度）。");

            migrationBuilder.CreateIndex(
                name: "IX_product_label_products_TenantId_StoreId_LabelId_ProductId",
                table: "product_label_products",
                columns: new[] { "TenantId", "StoreId", "LabelId", "ProductId" },
                unique: true);

            migrationBuilder.CreateIndex(
                name: "IX_product_label_products_TenantId_StoreId_ProductId",
                table: "product_label_products",
                columns: new[] { "TenantId", "StoreId", "ProductId" });

            migrationBuilder.CreateIndex(
                name: "IX_product_labels_TenantId_StoreId_IsEnabled_SortOrder",
                table: "product_labels",
                columns: new[] { "TenantId", "StoreId", "IsEnabled", "SortOrder" });

            migrationBuilder.CreateIndex(
                name: "IX_product_labels_TenantId_StoreId_Name",
                table: "product_labels",
                columns: new[] { "TenantId", "StoreId", "Name" },
                unique: true);
        }

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

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