#!/bin/bash
set -eu

readonly INKSCAPE_PATH=/Applications/Inkscape.app/Contents/Resources/bin/inkscape

if [ $# -lt 1 ]; then
  >&2 echo "usage: $0 <svg-file-path>"
  exit 1
fi

PNG_PATH=${1%.*}
echo "export to $PNG_PATH"

if [ ! -f "$INKSCAPE_PATH" ]; then
  >&2 echo "inkscape not found: $INKSCAPE_PATH"
  exit 1
fi

if [ ! -f "$1" ]; then
  >&2 echo "file not found: $1"
  exit 1
fi

mkdir -p "$PNG_PATH"
$INKSCAPE_PATH --file="$1" --export-png="$PNG_PATH/icon-20.png" --export-width=20 --export-height=20
$INKSCAPE_PATH --file="$1" --export-png="$PNG_PATH/icon-20@2x.png" --export-width=40 --export-height=40
$INKSCAPE_PATH --file="$1" --export-png="$PNG_PATH/icon-20@3x.png" --export-width=80 --export-height=80
$INKSCAPE_PATH --file="$1" --export-png="$PNG_PATH/icon-29.png" --export-width=29 --export-height=29
$INKSCAPE_PATH --file="$1" --export-png="$PNG_PATH/icon-29@2x.png" --export-width=58 --export-height=58
$INKSCAPE_PATH --file="$1" --export-png="$PNG_PATH/icon-29@3x.png" --export-width=87 --export-height=87
$INKSCAPE_PATH --file="$1" --export-png="$PNG_PATH/icon-40.png" --export-width=40 --export-height=40
$INKSCAPE_PATH --file="$1" --export-png="$PNG_PATH/icon-40@2x.png" --export-width=80 --export-height=80
$INKSCAPE_PATH --file="$1" --export-png="$PNG_PATH/icon-40@3x.png" --export-width=120 --export-height=120
$INKSCAPE_PATH --file="$1" --export-png="$PNG_PATH/icon-60@2x.png" --export-width=120 --export-height=120
$INKSCAPE_PATH --file="$1" --export-png="$PNG_PATH/icon-60@3x.png" --export-width=180 --export-height=180
$INKSCAPE_PATH --file="$1" --export-png="$PNG_PATH/icon-76.png" --export-width=76 --export-height=76
$INKSCAPE_PATH --file="$1" --export-png="$PNG_PATH/icon-76@2x.png" --export-width=152 --export-height=152
$INKSCAPE_PATH --file="$1" --export-png="$PNG_PATH/icon-83.5@2x.png" --export-width=167 --export-height=167
$INKSCAPE_PATH --file="$1" --export-png="$PNG_PATH/icon-1024.5@2x.png" --export-width=1024 --export-height=1024

echo done