package domain

import (
	"context"
	"time"
)

type UserRole string

const (
	UserRoleAdmin          UserRole = "admin"
	UserRoleUser           UserRole = "user"
	UserRoleContentManager UserRole = "content_manager"
	UserRoleViewer         UserRole = "viewer"
)

type User struct {
	ID          string     `gorm:"primaryKey;type:text"`
	Email       string     `gorm:"uniqueIndex;not null;type:text"`
	Name        string     `gorm:"type:text"` // Primary name (Russian)
	Password    string     `gorm:"not null;type:text"`
	Role        UserRole   `gorm:"type:varchar(50);default:'user'"`
	Permissions string     `gorm:"type:jsonb;default:'[]'"` // JSON array of permissions
	LastLoginAt *time.Time `gorm:"index"`
	IsActive    bool       `gorm:"default:true;index"`
	CreatedAt   time.Time  `gorm:"autoCreateTime"`
	UpdatedAt   time.Time  `gorm:"autoUpdateTime"`
}

// TableName specifies the table name for GORM
func (User) TableName() string {
	return "users"
}

type UserListFilters struct {
	Role     *UserRole
	IsActive *bool
	Search   string // Search in email and name
}

type PaginationParams struct {
	Limit  int
	Offset int
}

type PaginatedResult[T any] struct {
	Items []T
	Total int64
}

type UserRepository interface {
	GetByEmail(ctx context.Context, email string) (*User, error)
	GetByID(ctx context.Context, id string) (*User, error)
	Create(ctx context.Context, user *User) error
	Update(ctx context.Context, user *User) error // From BaseRepository
	Delete(ctx context.Context, id string) error  // From BaseRepository
	List(ctx context.Context, filters UserListFilters, pagination PaginationParams) (*PaginatedResult[User], error)
	UpdateRole(ctx context.Context, userID string, role UserRole) error
	UpdatePermissions(ctx context.Context, userID string, permissions []string) error
	Deactivate(ctx context.Context, userID string) error
	Activate(ctx context.Context, userID string) error
	UpdateLastLogin(ctx context.Context, userID string) error
}