use crate::config::{Act, Match, Replacements};
use anyhow::Result;
use copypasta::{ClipboardContext, ClipboardProvider};
use std::time::Duration;
use tracing::{debug, error};

pub fn monitor(config: Replacements) -> Result<()> {
  loop {
    let mut clipboard =
      ClipboardContext::new().expect("Failed to get clipboard");
    if let Ok(contents) = clipboard.get_contents() {
      if let Some(subst) = config
        .substitutors
        .iter()
        .find(|subst| subst.matcher.check_match(&contents))
      {
        if !subst.name.is_empty() {
          debug!(?subst.name, ?contents);
        }
        let result = subst.action.apply_action(&contents);
        if let Err(e) = clipboard.set_contents(result) {
          error!("{}", e);
        }
      };
    }
    std::thread::sleep(Duration::from_millis(1_000));
  }
}