#!/usr/bin/env bash
set -e

usage() {
    cat <<'EOF'
Usage:
  optimize-svg --check
  optimize-svg --help

Options:
  --check
      This will check for unoptimized SVG files rather than automatically optimizing them.
      This allows us to run the script in CI.

EOF
}

# Shell option parsing.  Over time, we'll want to move some of the
# environment variables below into this self-documenting system.
args="$(getopt -o '' --long help,check -n "$0" -- "$@")"
eval "set -- $args"
while true; do
    case "$1" in
        --help)
            usage
            exit 0
            ;;
        --check)
            CHECK_UNOPTIMIZED=1
            shift
            ;;
        --)
            shift
            break
            ;;
    esac
done

if [ "$#" -gt 0 ]; then
    usage >&2
    exit 1
fi

ZULIP_PATH="$(readlink -f "$(dirname "$0")"/../..)"
YARN="/srv/zulip-yarn/bin/yarn"

if [ -n "$CHECK_UNOPTIMIZED" ]; then
    if [ "$(node_modules/.bin/svgo -f static/images/integrations/logos | grep -o '\.[0-9]% = ' | wc -l)" -ge 1 ]; then
        echo "ERROR: svgo detected unoptimized SVG files in the \`static/images/integrations/logos\` folder." 1>&2
        echo "Please run tools/setup/optimize-svg and commit the file changes to optimize them."
        exit 1
    else
        echo "SUCCESS: SVG files in static/images/integrations/logos are all optimized!"
    fi
else
    $YARN run svgo -q -f static/images/integrations/logos
    "$ZULIP_PATH"/tools/setup/generate_integration_bots_avatars.py
fi