#!/usr/bin/env python3
"""Erzeugt 'HMS MediaEngine.app' im Projektordner (macOS App-Bundle).

Aufruf: python3 make_mac_app.py
Danach: 'HMS MediaEngine.app' per Doppelklick im Finder starten.
Der Launcher prueft unsichtbar: fehlt GStreamer, oeffnet sich der
grafische Installer; ist alles da, startet die Engine im Hintergrund
und der Browser oeffnet sich.
"""

from __future__ import annotations

from pathlib import Path

ROOT = Path(__file__).resolve().parent
APP = ROOT / "HMS MediaEngine.app"

INFO_PLIST = """<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
  <key>CFBundleName</key><string>HMS MediaEngine</string>
  <key>CFBundleDisplayName</key><string>HMS MediaEngine</string>
  <key>CFBundleIdentifier</key><string>de.hms.mediaengine</string>
  <key>CFBundleVersion</key><string>0.1.0</string>
  <key>CFBundleShortVersionString</key><string>0.1.0</string>
  <key>CFBundlePackageType</key><string>APPL</string>
  <key>CFBundleExecutable</key><string>HMS-Launcher</string>
  <key>LSMinimumSystemVersion</key><string>11.0</string>
  <key>NSHighResolutionCapable</key><true/>
  <key>CFBundleInfoDictionaryVersion</key><string>6.0</string>
</dict>
</plist>
"""

LAUNCHER = r'''#!/bin/bash
# HMS MediaEngine App-Start (vom Finder, ohne sichtbares Terminal)
DIR="$(cd "$(dirname "$0")/../../.." && pwd)"
PY=""
for p in /opt/homebrew/bin/python3 /usr/local/bin/python3 python3; do
  if command -v "$p" >/dev/null 2>&1; then PY="$p"; break; fi
done
if [ -z "$PY" ]; then
  osascript -e 'display alert "Python nicht gefunden" message "Bitte HMS-Mac-Install.command im Projektordner einmal ausfuehren - es installiert alles Grafische." as critical' >/dev/null 2>&1
  exit 1
fi
cd "$DIR"
if "$PY" -c "import gi; gi.require_version('Gst','1.0')" >/dev/null 2>&1; then
  nohup "$PY" "$DIR/run.py" >>/tmp/hms-mediaengine.log 2>&1 &
  PORT=8080
  for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 \
           21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40; do
    curl -s -o /dev/null "http://localhost:$PORT/api/health" && break
    sleep 0.5
  done
  open "http://localhost:$PORT"
  exit 0
else
  nohup "$PY" "$DIR/installer_gui.py" >/tmp/hms-installer.log 2>&1 &
  exit 0
fi
'''


def build() -> None:
    macos = APP / "Contents" / "MacOS"
    macos.mkdir(parents=True, exist_ok=True)
    (APP / "Contents" / "Info.plist").write_text(INFO_PLIST, "utf-8")
    launcher = macos / "HMS-Launcher"
    launcher.write_text(LAUNCHER, "utf-8")
    launcher.chmod(0o755)
    print(f"App erstellt: {APP}")
    print("Doppelklick im Finder: 'HMS MediaEngine.app'")


if __name__ == "__main__":
    build()