use serde::{Deserialize, Serialize};
use std::path::Path;
use thiserror::Error;

pub use teslatte::auth::{AccessToken, RefreshToken};

#[derive(Serialize, Deserialize, Clone)]
pub struct AuthInfo {
    pub access_token: AccessToken,
    pub refresh_token: Option<RefreshToken>,
}

impl AuthInfo {
    pub fn save(&self, path: &Path) -> Result<Option<String>, ron::Error> {
        let ser = ron::ser::to_string(self)?;
        Ok(std::fs::write(path, ser.clone())
            .map(|_v| None)
            .unwrap_or(Some(ser)))
    }
}

#[derive(Error, Debug)]
pub enum SaveError {
    #[error("stdio error")]
    StdIo(#[from] std::io::Error),
    #[error("ron")]
    RonSpanned(#[from] ron::Error),
}