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

ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
PYTHON_BIN="$ROOT_DIR/.venv/bin/python"
LAUNCHER="$ROOT_DIR/backend_embedded_launcher.py"
APP_NAME="ManeshTraderBackend"
BUILD_ROOT="$ROOT_DIR/dist-backend-build"
DIST_PATH="$BUILD_ROOT/dist"
WORK_PATH="$BUILD_ROOT/build"
SPEC_PATH="$BUILD_ROOT/spec"
TARGET_DIR="$ROOT_DIR/ManeshTraderMac/ManeshTraderMac/EmbeddedBackend"

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

if [[ ! -f "$LAUNCHER" ]]; then
  echo "Missing launcher file: $LAUNCHER" >&2
  exit 1
fi

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

"$PYTHON_BIN" -m pip install -q pyinstaller

"$PYTHON_BIN" -m PyInstaller \
  --noconfirm \
  --clean \
  --onefile \
  --name "$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 \
  --collect-all kaleido \
  "$LAUNCHER"

cp "$DIST_PATH/$APP_NAME" "$TARGET_DIR/$APP_NAME"
chmod +x "$TARGET_DIR/$APP_NAME"

echo "Embedded backend updated: $TARGET_DIR/$APP_NAME"