#!/bin/bash

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

function checkout() {
  repo=$1; url=$2;
  if [ ! -d "$repo" ]; then
    git clone "https://github.com/$url" "$repo"
  fi

  pushd "$repo"
  git fetch && git reset --hard HEAD
  popd
}

# Define list of arguments expected in the input
optstring="s"

while getopts ${optstring} arg; do
  case ${arg} in
    s)
      SKIP_DOWNLOAD='true'
      echo "Skip download"
      ;;
    ?)
      echo "Invalid option: -${OPTARG}."
      ;;
  esac
done

echo "Finding libs"
libs_to_parse=$(grep -Po '"name":.*?[^\\]",' ./script/search.json | perl -pe 's/"name": "//; s/^"//; s/",$//')
libs_not_to_parse=$(grep -Po '".+"' ./script/error-packages.json | perl -pe 's/^"//; s/"$//')

for lib in $libs_to_parse; do
    if [[ $libs_not_to_parse != *$lib* && $SKIP_DOWNLOAD != 'true' ]]; then
      echo $lib
      checkout "examples-full/$lib" "$lib"
    fi
done

echo "Finding applications"
applications_to_parse=$(grep -Po '".+"' ./script/applications.json | perl -pe 's/^"//; s/"$//')

if [[ $SKIP_DOWNLOAD != 'true' ]]; then
  for project in $applications_to_parse; do
        echo $project
        checkout "examples-full/$project" "$project"
  done
fi


start=`date +%s.%N`
tree_sitter_report=$(npx tree-sitter parse examples-full/**/*.elm --quiet --stat)
end=`date +%s.%N`

ret_code=$?

echo -e "-----------------------------------------------------------------\n$tree_sitter_report \n -----------------------------------------------------------------\n"

runtime=$( echo "$end - $start" | bc -l )

printf "Took: %s\n" $runtime

exit $ret_code