#!/usr/bin/env bash
# Compila jlauncher con Nuitka y empaqueta un release.
#   - Linux: binario onefile + tar.gz.
#   - macOS: jlauncher.app (con icono) dentro de un .dmg arrastrable a /Applications.
# Requisitos del sistema (no los instala el script): ver README (compilador C, git…).
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:]')"

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

# ---------------------------------------------------------------------------
# Construye assets/icon.icns desde assets/icon.png (regenerable con make_icon.py).
# ---------------------------------------------------------------------------
build_icns() {
  local png="assets/icon.png"
  local icns="assets/icon.icns"
  if [ ! -f "$png" ]; then
    echo "[build] generando icono provisional (assets/icon.png)…"
    QT_QPA_PLATFORM=offscreen .venv/bin/python assets/make_icon.py
  fi
  echo "[build] construyendo ${icns}…"
  local iconset="assets/icon.iconset"
  rm -rf "$iconset"; mkdir -p "$iconset"
  local s
  for s in 16 32 128 256 512; do
    sips -z "$s" "$s"           "$png" --out "$iconset/icon_${s}x${s}.png"     >/dev/null
    sips -z $((s*2)) $((s*2))   "$png" --out "$iconset/icon_${s}x${s}@2x.png"  >/dev/null
  done
  iconutil -c icns "$iconset" -o "$icns"
  rm -rf "$iconset"
}

if [ "$OS" = "darwin" ]; then
  # -------------------------------------------------------------------------
  # macOS: app bundle + DMG
  # -------------------------------------------------------------------------
  build_icns

  echo "[build] compilando jlauncher.app (PySide6; puede tardar varios minutos)…"
  .venv/bin/python -m nuitka \
    --standalone \
    --macos-create-app-bundle \
    --macos-app-icon=assets/icon.icns \
    --macos-app-name=jlauncher \
    --macos-app-version="$VERSION" \
    --macos-signed-app-name=com.jailgames.jlauncher \
    --company-name=jailgames \
    --product-name=jlauncher \
    --product-version="$VERSION" \
    --assume-yes-for-downloads \
    --enable-plugin=pyside6 \
    --include-package=jlauncher \
    --output-dir=dist \
    --output-filename=jlauncher \
    --remove-output \
    app.py

  # Según la versión, Nuitka nombra el bundle a partir del script de entrada
  # (app.py -> app.app). Lo normalizamos a jlauncher.app.
  APP="dist/jlauncher.app"
  if [ ! -d "$APP" ]; then
    PRODUCED="$(find dist -maxdepth 1 -name '*.app' | head -n1)"
    if [ -z "$PRODUCED" ]; then
      echo "[build] Nuitka no produjo ningún .app en dist/" >&2
      exit 1
    fi
    rm -rf "$APP"
    mv "$PRODUCED" "$APP"
  fi

  echo "[build] sembrando games.toml y icon.png en Contents/Resources…"
  cp games.toml "$APP/Contents/Resources/games.toml"
  cp assets/icon.png "$APP/Contents/Resources/icon.png"  # usado por el diálogo «Quant a»

  # Bundle ad-hoc (sin Developer ID): quitamos quarantine para abrir sin fricción local.
  xattr -dr com.apple.quarantine "$APP" 2>/dev/null || true

  DMG="dist/jlauncher-v${VERSION}-macos-${ARCH}.dmg"
  echo "[build] empaquetando ${DMG}…"
  STAGE="$(mktemp -d)"
  cp -R "$APP" "$STAGE/"
  ln -s /Applications "$STAGE/Applications"
  rm -f "$DMG"
  hdiutil create -volname "jlauncher" -srcfolder "$STAGE" \
    -ov -format UDZO "$DMG" >/dev/null
  rm -rf "$STAGE"

  echo "[build] hecho:"
  du -sh "$APP" | sed 's/^/[build] /'
  ls -lh "$DMG"
  echo "[build] la app guarda datos en ~/Library/Application Support/jailgames/jlauncher/."
  echo "[build] distribuir: el .dmg (arrastrar jlauncher.app a Aplicaciones)."
  echo "[build] sin firma Developer ID: primera apertura con clic derecho → Abrir."
else
  # -------------------------------------------------------------------------
  # Linux (y resto): binario onefile + tar.gz
  # -------------------------------------------------------------------------
  RELEASE_NAME="jlauncher-v${VERSION}-${OS}-${ARCH}"
  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)."
fi