CellularManagement/src/X1.Infrastructure/Configurations/Device/CellularDeviceConfiguration.cs

using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Metadata.Builders;
using CellularManagement.Domain.Entities.Device;

namespace CellularManagement.Infrastructure.Configurations.Device;

public class CellularDeviceConfiguration : IEntityTypeConfiguration<CellularDevice>
{
    public void Configure(EntityTypeBuilder<CellularDevice> builder)
    {
        builder.ToTable("CellularDevices", t => t.HasComment("蜂窝设备表"));
        builder.HasKey(d => d.Id);

        // 配置索引
        builder.HasIndex(d => d.SerialNumber).IsUnique().HasDatabaseName("IX_CellularDevices_SerialNumber");
        builder.HasIndex(d => d.DeviceCode).IsUnique().HasDatabaseName("IX_CellularDevices_DeviceCode");

        // 配置属性
        builder.Property(d => d.Id).HasComment("设备ID");
        builder.Property(d => d.Name).IsRequired().HasMaxLength(100).HasComment("设备名称");
        builder.Property(d => d.SerialNumber).IsRequired().HasMaxLength(50).HasComment("序列号");
        builder.Property(d => d.DeviceCode).IsRequired().HasMaxLength(50).HasComment("设备编码");
        builder.Property(d => d.Description).HasMaxLength(500).HasComment("设备描述");
        builder.Property(d => d.AgentPort).IsRequired().HasComment("Agent端口");
        builder.Property(d => d.IpAddress).IsRequired().HasMaxLength(45).HasComment("IP地址");
        builder.Property(d => d.IsEnabled).IsRequired().HasComment("是否启用");
        builder.Property(d => d.IsRunning).IsRequired().HasComment("设备状态（启动/未启动）");
        builder.Property(d => d.CreatedAt).IsRequired().HasColumnType("timestamp with time zone").HasComment("创建时间");
                builder.Property(d => d.UpdatedAt).IsRequired().HasColumnType("timestamp with time zone").HasComment("更新时间");

        // 配置一对多关系：一个设备可以有多个协议版本
        builder.HasMany(d => d.ProtocolVersions)
            .WithOne()
            .HasForeignKey(pv => pv.SerialNumber)
            .HasPrincipalKey(d => d.SerialNumber)
            .OnDelete(DeleteBehavior.Cascade);
    }
}