use argon2::PasswordVerifier;
use axum::{
    extract::State,
    http::StatusCode,
    response::{IntoResponse, Response},
};
use axum_login::{secrecy::SecretVec, AuthUser, SqliteStore};
use sqlx::SqlitePool;
use uuid::Uuid;

use crate::{templates::LoginGet, User};

pub type AuthContext = axum_login::extractors::AuthContext<Uuid, User, SqliteStore<User>>;

impl AuthUser<Uuid> for User {
    fn get_id(&self) -> Uuid {
        self.id
    }

    fn get_password_hash(&self) -> SecretVec<u8> {
        SecretVec::new(self.pwhash.as_bytes().to_vec())
    }
}

//-************************************************************************
// Login error and success types
//-************************************************************************

#[Error]
pub struct LoginError(#[from] LoginErrorKind);

#[Error]
#[non_exhaustive]
pub enum LoginErrorKind {
    BadPassword,
    Unknown,
}

impl IntoResponse for LoginError {
    fn into_response(self) -> Response {
        match self.0 {
            LoginErrorKind::Unknown => (
                StatusCode::INTERNAL_SERVER_ERROR,
                "An unknown error occurred; you cursed, brah?",
            )
                .into_response(),
            _ => (StatusCode::BAD_REQUEST, format!("{self}")).into_response(),
        }
    }
}

//-************************************************************************
// Login handlers
//-************************************************************************

/// Handle login queries
#[axum::debug_handler]
pub async fn post_login(
    mut auth: AuthContext,
    State(pool): State<SqlitePool>,
) -> Result<(), LoginError> {
    Err(LoginErrorKind::Unknown.into())
}

pub async fn get_login() -> impl IntoResponse {
    LoginGet::default()
}