package channel

import (
	"time"

	"gorm.io/gorm"
)

// ChannelBase contains common fields shared across all channel types.
// This mirrors Chatwoot's "channelable" concern pattern where each channel
// type (web_widget, facebook, twitter, etc.) embeds a base and adds its
// own specific fields.
type ChannelBase struct {
	ID           uint           `gorm:"primaryKey;autoIncrement" json:"id"`
	AccountID    uint           `gorm:"index;not null" json:"account_id"`
	InboxID      uint           `gorm:"index;not null" json:"inbox_id"`
	ChannelType  string         `gorm:"size:50;index;not null" json:"channel_type"`
	CreatedAt    time.Time      `gorm:"autoCreateTime" json:"created_at"`
	UpdatedAt    time.Time      `gorm:"autoUpdateTime" json:"updated_at"`
	DeletedAt    gorm.DeletedAt `gorm:"index" json:"deleted_at,omitempty"`
}

func (ChannelBase) TableName() string { return "channels" }

// Channelable is the interface that all channel type models must implement.
// Each channel (WebWidget, FacebookPage, TwitterProfile, etc.) embeds
// ChannelBase and implements this interface to return its specific type.
type Channelable interface {
	GetChannelBase() ChannelBase
	GetChannelType() string
	TableName() string
}