package models

import (
	"time"

	"github.com/google/uuid"
	"gorm.io/gorm"
)

// User représente un utilisateur dans le système
// MIGRATION UUID: User.ID est maintenant un UUID pour cohérence Go↔Rust et alignment ORIGIN
type User struct {
	ID                uuid.UUID      `gorm:"type:uuid;primary_key" json:"id" db:"id"`
	Username          string         `gorm:"not null;size:30" json:"username" db:"username"`
	Slug              string         `gorm:"size:255" json:"slug" db:"slug"`
	Email             string         `gorm:"not null;size:255" json:"email" db:"email"`
	PasswordHash      string         `gorm:"size:255" json:"-" db:"password_hash"`
	Password          string         `gorm:"-" json:"password,omitempty"` // Virtual field for input
	TokenVersion      int            `gorm:"default:0;not null" json:"token_version" db:"token_version"`
	FirstName         string         `gorm:"size:100" json:"first_name" db:"first_name"`
	LastName          string         `gorm:"size:100" json:"last_name" db:"last_name"`
	Avatar            string         `gorm:"type:text" json:"avatar" db:"avatar"`
	BannerURL         string         `gorm:"type:text" json:"banner_url" db:"banner_url"`
	Bio               string         `gorm:"type:text" json:"bio" db:"bio"`
	Location          string         `gorm:"size:100" json:"location" db:"location"`
	Birthdate         *time.Time     `json:"birthdate" db:"birthdate"`
	Gender            string         `gorm:"size:20" json:"gender" db:"gender"`
	UsernameChangedAt *time.Time     `json:"username_changed_at" db:"username_changed_at"`
	Role              string         `gorm:"type:user_role;not null;default:'user'" json:"role" db:"role"`
	IsActive          bool           `gorm:"default:true" json:"is_active" db:"is_active"`
	IsVerified        bool           `gorm:"default:false" json:"is_verified" db:"is_verified"`
	IsBanned          bool           `gorm:"default:false;not null" json:"is_banned" db:"is_banned"`
	IsAdmin           bool           `gorm:"default:false" json:"is_admin" db:"is_admin"`
	IsPublic          bool           `gorm:"default:true" json:"is_public" db:"is_public"`
	LastLoginAt       *time.Time     `json:"last_login_at" db:"last_login_at"`
	LoginCount        int            `gorm:"default:0;not null" json:"login_count" db:"login_count"`
	PasswordChangedAt *time.Time     `json:"password_changed_at,omitempty" db:"password_changed_at"` // F016: Password expiration tracking
	CreatedAt         time.Time      `gorm:"autoCreateTime" json:"created_at" db:"created_at"`
	UpdatedAt         time.Time      `gorm:"autoUpdateTime" json:"updated_at" db:"updated_at"`
	DeletedAt         gorm.DeletedAt `gorm:"index" json:"-"`
	SocialLinks       string         `gorm:"type:jsonb;default:'{}'" json:"social_links" db:"social_links"`

	// Relations
	Roles      []Role      `gorm:"many2many:user_roles;" json:"-"`
	TrackLikes []TrackLike `gorm:"foreignKey:UserID;constraint:OnDelete:CASCADE" json:"-"`
}

// BeforeCreate hook GORM pour générer UUID si non défini
func (u *User) BeforeCreate(tx *gorm.DB) error {
	if u.ID == uuid.Nil {
		u.ID = uuid.New()
	}
	return nil
}

// TableName définit le nom de la table pour GORM
func (User) TableName() string {
	return "users"
}

// SellableContent représente du contenu vendable
// MIGRATION UUID: UserID migré vers UUID
type SellableContent struct {
	ID          uuid.UUID `json:"id" gorm:"type:uuid;primaryKey"`
	UserID      uuid.UUID `gorm:"type:uuid;not null" json:"user_id" db:"user_id"`
	Title       string    `json:"title" db:"title"`
	Description string    `json:"description" db:"description"`
	Price       float64   `json:"price" db:"price"`
	IsActive    bool      `json:"is_active" db:"is_active"`
	CreatedAt   time.Time `json:"created_at" db:"created_at"`
	UpdatedAt   time.Time `json:"updated_at" db:"updated_at"`
}

// BeforeCreate hook GORM pour générer UUID si non défini
func (m *SellableContent) BeforeCreate(tx *gorm.DB) error {
	if m.ID == uuid.Nil {
		m.ID = uuid.New()
	}
	return nil
}