use super::scal_match::scalv_match;
use super::shared::AnyMatcher;
use super::vec_match::vec_match;
use crate::rule::matcher::RuleExpr;
use crate::rule::state::State;

pub fn any_match<'a>(
  matcher: &AnyMatcher,
  seq: &'a [RuleExpr],
) -> Option<State<'a>> {
  match matcher {
    AnyMatcher::Scalar(scalv) => scalv_match(scalv, seq),
    AnyMatcher::Vec { left, mid, right } => {
      if seq.len() < left.len() + right.len() {
        return None;
      };
      let left_split = left.len();
      let right_split = seq.len() - right.len();
      let mut state = scalv_match(left, &seq[..left_split])?;
      state.extend(scalv_match(right, &seq[right_split..])?);
      state.extend(vec_match(mid, &seq[left_split..right_split])?);
      Some(state)
    },
  }
}