#!/usr/bin/env bash
# Compila jlauncher a un binario standalone con Nuitka y empaqueta un tar.gz de release.
# Requisitos del sistema: python3-dev, gcc, patchelf (ver README).
set -euo pipefail

HERE="$(cd "$(dirname "$0")" && pwd)"
cd "$HERE"

VERSION="$(sed -n 's/^__version__[[:space:]]*=[[:space:]]*"\([^"]*\)".*/\1/p' jlauncher/__init__.py | head -n1)"
if [ -z "$VERSION" ]; then
  echo "[build] no se pudo leer __version__ de jlauncher/__init__.py" >&2
  exit 1
fi
ARCH="$(uname -m)"
OS="$(uname -s | tr '[:upper:]' '[:lower:]')"
RELEASE_NAME="jlauncher-v${VERSION}-${OS}-${ARCH}"

if [ ! -d .venv ]; then
  echo "[build] creando venv…"
  python3 -m venv .venv
  .venv/bin/pip install --quiet --upgrade pip
fi

echo "[build] sincronizando dependencias…"
.venv/bin/pip install --quiet -r requirements.txt

if ! .venv/bin/python -c "import nuitka" 2>/dev/null; then
  echo "[build] instalando nuitka en el venv…"
  .venv/bin/pip install --quiet "nuitka[onefile]"
fi

# zstandard habilita la compresión del onefile (binario mucho más pequeño).
if ! .venv/bin/python -c "import zstandard" 2>/dev/null; then
  echo "[build] instalando zstandard (compresión onefile)…"
  .venv/bin/pip install --quiet zstandard
fi

echo "[build] versión: v${VERSION}"
echo "[build] limpiando artefactos previos…"
rm -rf dist build app.build app.dist app.onefile-build

echo "[build] compilando (PySide6 onefile; puede tardar varios minutos)…"
.venv/bin/python -m nuitka \
  --onefile \
  --assume-yes-for-downloads \
  --enable-plugin=pyside6 \
  --include-package=jlauncher \
  --output-dir=dist \
  --output-filename=jlauncher \
  --remove-output \
  --lto=yes \
  app.py

echo "[build] copiando games.toml junto al binario…"
cp games.toml dist/games.toml

echo "[build] empaquetando release ${RELEASE_NAME}.tar.gz…"
tar -czf "dist/${RELEASE_NAME}.tar.gz" -C dist jlauncher games.toml

echo "[build] hecho:"
ls -lh "dist/jlauncher" "dist/games.toml" "dist/${RELEASE_NAME}.tar.gz"
echo "[build] el binario crea jlauncher_data/ y settings.json junto a sí mismo."
echo "[build] distribuir: descomprimir el tar.gz (jlauncher + games.toml juntos)."