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use super::errors::*;
use super::{Command, History, Settings};
use log::error;

impl History {
    pub fn new(limit: usize, pattern: &str) -> Self {
        History {
            commands: get_commands(limit, pattern).unwrap(),
        }
    }

    pub fn show(&self) {
        self.commands.iter().for_each(|command| command.show())
    }
}

fn get_commands(limit: usize, _pattern: &str) -> Result<Vec<Command>> {
    let settings = Settings::default();
    let command_paths = settings.command_log_paths(limit, "*")?;

    let mut commands = Vec::new();
    for path in command_paths {
        match Command::load(&path) {
            Ok(c) => commands.push(c),
            Err(e) => {
                error!(target: "reef","error loading {:?}\n{}", &path, e);
            }
        }
    }

    Ok(commands)
}