package entity

import (
    "time"
    "github.com/google/uuid"
)

type CableConnection struct {
    ID               uuid.UUID    `json:"id" gorm:"type:uuid;primaryKey"`
    FromDeviceID     uuid.UUID    `json:"from_device_id" gorm:"type:uuid;not null"`
    ToDeviceID       uuid.UUID    `json:"to_device_id" gorm:"type:uuid;not null"`
    CableLength      float64      `json:"cable_length" gorm:"type:decimal(10,3);not null"`
    CableType        *string    `json:"cable_type" gorm:"type:varchar(100);not null"`
    BranchingType    *string      `json:"branching_type,omitempty" gorm:"type:varchar(50)"`
    InstallationDate *time.Time   `json:"installation_date,omitempty"`
    Status           DeviceStatus `json:"status" gorm:"default:'active'"`
    
    CreatedAt        time.Time    `json:"created_at"`
    UpdatedAt        time.Time    `json:"updated_at"`

    FromDevice       *Device      `json:"from_device,omitempty" gorm:"foreignKey:FromDeviceID;references:ID"`
    ToDevice         *Device      `json:"to_device,omitempty" gorm:"foreignKey:ToDeviceID;references:ID"`
}

func (CableConnection) TableName() string {
    return "cable_connections"
}