#!/usr/bin/env bash

#url="file:///home/ariutta/Dropbox (Gladstone)/Documents/alle-pvjs/packages/node_modules/@wikipathways/pvjs/test/expected/chunked.svg"

#test_dir="/home/ariutta/Dropbox (Gladstone)/Documents/alle-pvjs/packages/node_modules/@wikipathways/pvjs/test"
test_dir="$1"
if [ -z "$test_dir" ]; then
  echo "No test_dir specified." 1>&2
  exit 1
fi

open_image() {
  url="$1"
  if [ -z "$url" ]; then
    echo "No url specified." 1>&2
    exit 1
  fi
  if which xdg-open > /dev/null 2>&1; then
    xdg-open "$url"
  elif which open > /dev/null 2>&1; then
    open "$url"
  else
    echo "Warning: Not sure how to open browser." 1>&2
    exit 1
  fi
}

for expected_f in "$test_dir/expected/"*.svg; do
  filename="$(basename "$expected_f")"
  actual_f="$test_dir/actual/$filename"

  # if not identical, open both
  if ! cmp --silent "$expected_f" "$actual_f"; then
    echo "expected: $expected_f"
    open_image "file://$expected_f"

    sleep 0.5

    echo "actual: $actual_f"
    open_image "file://$actual_f"
    echo ""
    read -rp "Hit Enter to view next"
  else
    echo "OK: $filename"
  fi
done