use regex::Regex;
use std::{process::Command, process::Output, str};

pub fn get_title_clean() -> String {
    let title = get_window_info().title;
    let re = Regex::new(r"-?\d+([:.]\d+)+%?").unwrap();
    re.replace_all(&title, "").to_string()
}

pub fn minimize_other(class: &str) {
    let window_info = get_window_info();
    if &window_info.class != class {
        run(&format!("xdotool windowminimize {}", window_info.wid));
    }
}

struct WindowInfo {
    title: String,
    class: String,
    wid: String,
}

fn run(cmd: &str) -> Option<String> {
    let output = Command::new("sh").arg("-c").arg(cmd).output();

    let Ok(Output {
        status,
        stdout,
        stderr: _,
    }) = output
    else {
        return None;
    };

    if status.code() != Some(0) {
        return None;
    }

    let Ok(output_str) = str::from_utf8(&stdout) else {
        return None;
    };

    Some(output_str.trim().to_string())
}

fn get_window_info() -> WindowInfo {
    let none = WindowInfo {
        title: "none".to_string(),
        class: "none".to_string(),
        wid: "".to_string(),
    };

    let Some(wid) = run("xdotool getactivewindow") else {
        return none;
    };

    let Some(class) = run(&format!("xdotool getwindowclassname {wid}")) else {
        return none;
    };

    let Some(title) = run(&format!("xdotool getwindowname {wid}")) else {
        return none;
    };

    WindowInfo { title, class, wid }
}