#!/usr/bin/env bash
# Packages an exported Linux build with its icon, app menu entry and install script.
#
# Usage: linux/package.sh <exported binary> <version> <output dir>
# Creates <output dir>/MusicPlayer_<version>_linux.tar.gz. Godot is taken from $GODOT,
# or `godot` on PATH, to render the icon.

set -euo pipefail

if [[ $# -ne 3 ]]; then
    echo "Usage: $0 <exported binary> <version> <output dir>" >&2
    exit 1
fi
binary="$(cd "$(dirname "$1")" && pwd)/$(basename "$1")"
version="$2"
out_dir="$(mkdir -p "$3" && cd "$3" && pwd)"
linux_dir="$(cd "$(dirname "$0")" && pwd)"
project_dir="$(dirname "$linux_dir")"
godot_bin="${GODOT:-godot}"

staging="$(mktemp -d)"
trap 'rm -rf "$staging"' EXIT
package_dir="$staging/MusicPlayer"
mkdir -p "$package_dir"

install -m755 "$binary" "$package_dir/MusicPlayer.x86_64"
install -m755 "$linux_dir/install.sh" "$package_dir/install.sh"
install -m644 "$linux_dir/music-player-randomizer.desktop" "$package_dir/"
# Run outside the project so Godot only renders the icon
(cd "$staging" && "$godot_bin" --headless -s "$linux_dir/render_icon.gd" -- \
    "$project_dir/icon.svg" "$package_dir/music-player-randomizer.png" 256)

archive="$out_dir/MusicPlayer_${version}_linux.tar.gz"
tar -czf "$archive" -C "$staging" MusicPlayer
echo "Created $archive"