package model

import (
	"time"
)

// ConversationLabel represents a label/tag applied to a conversation.
// Reference: Chatwoot tag join model + P2B M3 spec
// This is the join table between Conversation and Tag, replacing the
// old comma-separated Labels string field on Conversation.
type ConversationLabel struct {
	ID             uint      `gorm:"primaryKey;autoIncrement" json:"id"`
	ConversationID uint      `gorm:"not null;uniqueIndex:idx_conv_label_tag;index" json:"conversation_id"`
	TagID          uint      `gorm:"not null;uniqueIndex:idx_conv_label_tag;index" json:"tag_id"`
	AccountID      uint      `gorm:"not null;index" json:"account_id"`
	CreatedAt      time.Time `gorm:"autoCreateTime" json:"created_at"`

	Conversation Conversation `gorm:"foreignKey:ConversationID" json:"conversation,omitempty"`
	Tag          Tag          `gorm:"foreignKey:TagID" json:"tag,omitempty"`
	Account      Account      `gorm:"foreignKey:AccountID" json:"account,omitempty"`
}

func (ConversationLabel) TableName() string { return "conversation_labels" }