#!/usr/bin/env bash

set -eu

cd "$(dirname "$0")/.."

function clone_repo {
  owner=$1
  name=$2
  sha=$3

  path=examples/$name
  if [ ! -d "$path" ]; then
    echo "Cloning $owner/$name"
    git clone "https://github.com/$owner/$name" "$path"
  fi

  pushd "$path" >/dev/null
  actual_sha=$(git rev-parse HEAD)
  if [ "$actual_sha" != "$sha" ]; then
    echo "Updating $owner/$name to $sha"
    git fetch
    git reset --hard "$sha"
  fi
  popd >/dev/null
}

clone_repo elkowar eww 6a64a286291456984011c4fb160def106ee55dff

known_failures="$(cat script/known_failures.txt)"

# shellcheck disable=2046
tree-sitter parse -q \
  "examples/**/*.yuck" \
  $(for failure in $known_failures; do echo "!${failure}"; done)

example_count=$(find examples -name "*.yuck" | wc -l)
failure_count=$(wc -w <<<"$known_failures")
success_count=$((example_count - failure_count))
success_percent=$(bc -l <<<"100*${success_count}/${example_count}")

printf \
  "Successfully parsed %d of %d example files (%.1f%%)\n" \
  "$success_count" "$example_count" "$success_percent"
