package model

import (
	"encoding/json"
	"time"
)

// NotificationPreference represents per-user notification settings.
// Reference: Chatwoot NotificationPreference model + P2B M8 spec
type NotificationPreference struct {
	ID          uint           `gorm:"primaryKey" json:"id"`
	UserID      uint           `gorm:"not null;uniqueIndex:idx_user_account_channel_event" json:"user_id"`
	AccountID   *uint          `gorm:"uniqueIndex:idx_user_account_channel_event" json:"account_id,omitempty"`
	Channel     string         `gorm:"size:100;not null;uniqueIndex:idx_user_account_channel_event" json:"channel"` // email/push/browser
	EventType   string         `gorm:"size:100;not null;uniqueIndex:idx_user_account_channel_event" json:"event_type"` // conversation_created/assigned_conversation_new_message/...
	Enabled     bool           `gorm:"default:true" json:"enabled"`
	Preferences json.RawMessage `gorm:"type:jsonb" json:"preferences"`
	CreatedAt   time.Time      `gorm:"autoCreateTime" json:"created_at"`
	UpdatedAt   time.Time      `gorm:"autoUpdateTime" json:"updated_at"`

	User User `gorm:"foreignKey:UserID" json:"user,omitempty"`
}

func (NotificationPreference) TableName() string { return "notification_preferences" }