#!/usr/bin/env bash
set -euo pipefail

ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
PYTHON_BIN="$ROOT_DIR/.venv/bin/python"
APP_NAME="ManeshTrader"

if [[ ! -x "$PYTHON_BIN" ]]; then
  echo "Missing virtual environment. Run ./run.sh --setup-only first." >&2
  exit 1
fi

"$PYTHON_BIN" -m pip install -q pyinstaller

TS="$(date +%Y%m%d-%H%M%S)"
OUT_ROOT="$ROOT_DIR/dist-standalone/$TS"
DIST_PATH="$OUT_ROOT/dist"
WORK_PATH="$OUT_ROOT/build"
SPEC_PATH="$OUT_ROOT/spec"

mkdir -p "$DIST_PATH" "$WORK_PATH" "$SPEC_PATH"

"$PYTHON_BIN" -m PyInstaller \
  --noconfirm \
  --windowed \
  --name "$APP_NAME" \
  --distpath "$DIST_PATH" \
  --workpath "$WORK_PATH" \
  --specpath "$SPEC_PATH" \
  --add-data "$ROOT_DIR/app.py:." \
  --add-data "$ROOT_DIR/manesh_trader:manesh_trader" \
  --add-data "$ROOT_DIR/ONBOARDING.md:." \
  --collect-all streamlit \
  --collect-all streamlit_autorefresh \
  --hidden-import yfinance \
  --hidden-import pandas \
  --collect-all plotly \
  "$ROOT_DIR/desktop_launcher.py"

APP_BUNDLE="$DIST_PATH/${APP_NAME}.app"
if [[ ! -d "$APP_BUNDLE" ]]; then
  echo "Build failed: ${APP_BUNDLE} not found" >&2
  exit 1
fi

echo "Standalone app created: $APP_BUNDLE"
echo "To build DMG from this app:"
echo "APP_BUNDLE_PATH=\"$APP_BUNDLE\" ./scripts/create_installer_dmg.sh"