package models

import (
	"time"

	"github.com/google/uuid"
)

// #[derive(Debug, Clone, sqlx::FromRow, Serialize, Deserialize)]
// pub struct Channel {
//     pub id: Uuid,
//     #[sqlx(default)]
//     pub server_id: Option<Uuid>,        // Option = nullable
//     #[sqlx(default)]
//     pub category_id: Option<Uuid>,      // Option = nullable
//     #[sqlx(default)]
//     pub position: i32,
//     #[sqlx(rename = "type")]
//     pub channel_type: ChannelType,
//     pub name: Option<String>,           // Option = nullable
//     pub created_at: DateTime<Utc>,
//     pub updated_at: DateTime<Utc>,
// }

type ChannelType string

const (
	ChannelTypeText  ChannelType = "text"
	ChannelTypeVoice ChannelType = "voice"
	ChannelTypeDM    ChannelType = "dm"
	// Ajoutez vos autres types ici
)

type Channel struct {
	ID         uuid.UUID   `gorm:"primaryKey" json:"id"`
	ServerID   *uuid.UUID  `gorm:"index;constraint:OnDelete:CASCADE;" json:"server_id,omitempty"`    // Pointeur = nullable
	CategoryID *uuid.UUID  `gorm:"index;constraint:OnDelete:SET NULL;" json:"category_id,omitempty"` // Pointeur = nullable
	Position   int32       `gorm:"default:0" json:"position"`
	Type       ChannelType `gorm:"not null;column:type" json:"type"`
	Name       *string     `gorm:"" json:"name,omitempty"` // Pointeur = nullable
	CreatedAt  time.Time   `gorm:"autoCreateTime" json:"created_at"`
	UpdatedAt  time.Time   `gorm:"autoUpdateTime" json:"updated_at"`

	Users     []*User       `gorm:"many2many:channel_users" json:"users,omitempty"`   // accès direct aux users
	UserLinks []ChannelUser `gorm:"foreignKey:ChannelID" json:"user_links,omitempty"` // accès aux lignes de jointure/métadonnées

	// Relations (optionnelles)
	Server   *Server   `gorm:"foreignKey:ServerID" json:"server,omitempty"`
	Category *Category `gorm:"foreignKey:CategoryID" json:"category,omitempty"`
}