cli_util 0.2.35

//! # Some shell command
//!
//! Output redirection
//!
//!     cat > example.txt
//!
//! Output redirection with append file
//!
//!     ls -l >> listing.txt


use cli_util::cd;
use cli_util::find;
use cli_util::grep;
use cli_util::ls;


use cli_util::working_directory;
use std::fs::File;
use std::io::{stdout, Write};
use users::{get_current_uid, get_user_by_uid};

use console::Style;
use dialoguer::{theme::ColorfulTheme, BasicHistory, Input};

use std::fs::OpenOptions;
pub fn main() -> Result<(), Box<dyn std::error::Error>> {
    let user = get_user_by_uid(get_current_uid()).ok_or("User not found")?;
    let username: &str = user.name().to_str().ok_or("Username not found")?;
    let mut history = BasicHistory::new().max_entries(8).no_duplicates(true);
    let mut redirection: String;
    let theme = ColorfulTheme {
        prompt_suffix: Style::new().bold().apply_to(">".to_string()),
        success_suffix: Style::new().apply_to(">".to_string()),
        ..ColorfulTheme::default()
    };
    loop {
        let cmd_entry = Input::<String>::with_theme(&theme)
            .with_prompt(format!("{} {}", username, working_directory()?))
            .history_with(&mut history)
            .interact_text();
        let mut cmd_str = cmd_entry?;
        let mut handle: Box<dyn Write> = if let Some(i) = cmd_str.find(">>") {
            redirection = cmd_str[i + 2..].to_string();
            cmd_str = cmd_str[..i].to_string();
            let file = OpenOptions::new()
                .append(true) // Dosyanın sonuna ekleme modunda açma
                .create(true) // Dosya yoksa oluştur
                .open(redirection)?;
            Box::new(file)
        } else if let Some(i) = cmd_str.find('>') {
            redirection = cmd_str[i + 1..].to_string();
            cmd_str = cmd_str[..i].to_string();
            Box::new(File::create(redirection)?)
        } else {
            Box::new(stdout().lock())
        };
        let (cmd, arg) = cmd_str
            .split_once(' ')
            .unwrap_or_else(|| (cmd_str.trim(), ""));

        match cmd {
            "echo" => println!("{arg}"), // girişi tekrarlar
            "cd" => cd::cd(arg)?,
            "cat" => cli_util::cat(arg, &mut handle)?, // dosyaları birleştirir
            "ls" => ls::ls(arg, &mut handle)?, // dizinleri listeler
            "find" => find::find(arg, &mut handle)?, // dosyaları veya dizinleri bulur
            "grep" => grep::grep(arg, &mut handle)?, //dosyalardaki metinle eşleşir
            "" => continue,
            _ => {
                println!("Command {cmd} not found");
                continue;
            }
        }
        handle.flush()?;
    }
}