use std::fd::{File, OpenOptions};
use std::io::{BufReader, BufWriter, Read, Write};
use xdg::BaseDirectories;

pub struct History(File);

impl History {
    pub fn open(serie: spond_api::SeriesId) -> std::io::Result<Self> {
        let xdg_dirs = BaseDirectories::with_prefix(env!("CARGO_PKG_NAME"));
        let path = xdg_dirs.place_state_file(format!("{}.bin", serie))?;

        let file = OpenOptions::new()
            .create(true)
            .append(true)
            .read(true)
            .open(&path)?;

        Ok(Self(file))
    }

    pub fn append<I>(&mut self, selected: usize, ids: I) -> io::Result<()>
    where
        I: IntoIterator,
        I::Item: Into<u128>,
        I::IntoIter: ExactSizeIterator,
}