use std::fs;

use tasks::error::TaskError;
use tasks::store::Store;
use tasks::task::Status;

use crate::common::{temp_path, three_tasks};

mod common;

#[test]
fn completing_task_that_are_done_is_not_an_error() -> Result<(), TaskError> {
    let mut m = three_tasks();

    m.complete(1)?;

    let t = m.find(1).unwrap();
    assert_eq!(t.status, Status::Done);

    Ok(())
}

#[test]
fn reload_saved_working() -> Result<(), TaskError> {
    let mut m = three_tasks();
    let p = temp_path();
    m.remove_completed();
    m.save(&p)?;

    let m2 = Store::load(&p)?;
    assert_eq!(m2, m);
    Ok(())
}

#[test]
fn smaller_store_smaller_saved_files() -> Result<(), TaskError> {
    let mut m = three_tasks();
    let p = temp_path();
    m.save(&p)?;

    m.remove_completed();
    m.save(&p)?;

    let s = fs::read_to_string(p)?;
    assert_eq!(s.lines().count(), 2);
    Ok(())
}