#!/bin/bash

set -e

[ ! -d "${SNAP_COMMON}/fontconfig" ] && mkdir -p "${SNAP_COMMON}/fontconfig"

function append_dir() {
  local -n var="$1"
  local dir="$2"
  # We can't check if the dir exists when the dir contains variables
  if [[ "$dir" == *"\$"*  || -d "$dir" ]]; then
    export "${!var}=${var:+$var:}${dir}"
  fi
}

if [ "$SNAP_ARCH" = "amd64" ]; then
  ARCH="x86_64-linux-gnu"
elif [ "$SNAP_ARCH" = "armhf" ]; then
  ARCH="arm-linux-gnueabihf"
elif [ "$SNAP_ARCH" = "arm64" ]; then
  ARCH="aarch64-linux-gnu"
elif [ "$SNAP_ARCH" = "ppc64el" ]; then
  ARCH="powerpc64le-linux-gnu"
else
  ARCH="$SNAP_ARCH-linux-gnu"
fi

append_dir LD_LIBRARY_PATH "$SNAP_DESKTOP_RUNTIME/lib/$ARCH"
append_dir LD_LIBRARY_PATH "$SNAP_DESKTOP_RUNTIME/usr/lib/$ARCH"
append_dir LD_LIBRARY_PATH "$SNAP_DESKTOP_RUNTIME/usr/lib"
append_dir LD_LIBRARY_PATH "$SNAP_DESKTOP_RUNTIME/lib"
append_dir PATH "$SNAP_DESKTOP_RUNTIME/usr/bin"

cat > "${SNAP_COMMON}/fontconfig/fonts.conf" <<EOF
<fontconfig>
  <cachedir>${SNAP_COMMON}/fontconfig</cachedir>
  <include ignore_missing="yes">/etc/fonts/fonts.conf</include>
</fontconfig>
EOF

export FONTCONFIG_FILE="${SNAP_COMMON}/fontconfig/fonts.conf"

"${SNAP_DESKTOP_RUNTIME}/usr/bin/fc-cache" --force --system-only --verbose || echo "configure hook: font generation failed"

exec "$@"