use async_trait::async_trait;
use crate::common::errors::DomainError;
use crate::common::value_objects::{Email, PasswordHash, SystemId};
use super::entities::{Group, Role, User};

// --- UserRepository ---

#[async_trait]
pub trait UserRepository: Send + Sync {
    async fn find_by_id(&self, id: &SystemId) -> Result<Option<User>, DomainError>;
    async fn find_by_email(&self, email: &Email) -> Result<Option<User>, DomainError>;
    async fn find_by_username(&self, username: &str) -> Result<Option<User>, DomainError>;
    async fn save(&self, user: &User) -> Result<(), DomainError>;
    async fn delete(&self, id: &SystemId) -> Result<(), DomainError>;
}

// --- RoleRepository ---

#[async_trait]
pub trait RoleRepository: Send + Sync {
    async fn find_by_id(&self, id: &SystemId) -> Result<Option<Role>, DomainError>;
    async fn find_by_name(&self, name: &str) -> Result<Option<Role>, DomainError>;
    async fn find_defaults(&self) -> Result<Vec<Role>, DomainError>;
    async fn save(&self, role: &Role) -> Result<(), DomainError>;
    async fn delete(&self, id: &SystemId) -> Result<(), DomainError>;
}

// --- GroupRepository ---

#[async_trait]
pub trait GroupRepository: Send + Sync {
    async fn find_by_id(&self, id: &SystemId) -> Result<Option<Group>, DomainError>;
    async fn find_by_user(&self, user_id: &SystemId) -> Result<Vec<Group>, DomainError>;
    async fn save(&self, group: &Group) -> Result<(), DomainError>;
    async fn delete(&self, id: &SystemId) -> Result<(), DomainError>;
}

// --- Auth ---

#[async_trait]
pub trait PasswordHasher: Send + Sync {
    async fn hash(&self, password: &str) -> Result<PasswordHash, DomainError>;
    async fn verify(&self, password: &str, hash: &PasswordHash) -> Result<bool, DomainError>;
}

#[async_trait]
pub trait TokenIssuer: Send + Sync {
    async fn issue(&self, user_id: &SystemId, role: &str) -> Result<String, DomainError>;
    async fn verify(&self, token: &str) -> Result<(SystemId, String), DomainError>;
}