#!/bin/bash
#
# Build script for Path Juggler
# Creates a standalone macOS .app bundle using Nuitka
# Uses PySide6 (Qt) for GUI - fully bundleable, no system dependencies
#

set -e

SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
APP_NAME="Path Juggler"
BUNDLE_ID="com.pathjuggler.app"
VENV_DIR="$SCRIPT_DIR/.build_venv"
DIST_DIR="$SCRIPT_DIR/dist"

echo "=== Path Juggler - Build Script ==="
echo "Using Nuitka + PySide6 for a fully self-contained build"
echo ""

# Check for uv
if ! command -v uv &> /dev/null; then
    echo "Error: uv is required but not found"
    echo ""
    echo "Install uv with:"
    echo "  curl -LsSf https://astral.sh/uv/install.sh | sh"
    echo "  or: brew install uv"
    exit 1
fi

echo "Using uv version: $(uv --version)"
echo ""

# Create virtual environment with Python 3.11 (good compatibility)
echo "=== Creating virtual environment ==="
if [ -d "$VENV_DIR" ]; then
    echo "Removing existing build environment..."
    rm -rf "$VENV_DIR"
fi

uv venv "$VENV_DIR" --python 3.11
source "$VENV_DIR/bin/activate"

PYTHON_VERSION=$(python -c 'import sys; print(f"{sys.version_info.major}.{sys.version_info.minor}")')
echo "Python version: $PYTHON_VERSION"

# Install build dependencies
echo ""
echo "=== Installing build dependencies ==="
uv pip install --quiet PySide6 watchdog nuitka ordered-set zstandard

echo "Installed packages:"
uv pip list | grep -iE "(pyside6|watchdog|nuitka)" || true

# Build with Nuitka
echo ""
echo "=== Building application with Nuitka ==="

# Clean previous build
rm -rf "$DIST_DIR/$APP_NAME.app" 2>/dev/null || true
rm -rf "$DIST_DIR"/*.build 2>/dev/null || true
rm -rf "$DIST_DIR"/*.dist 2>/dev/null || true

python -m nuitka \
    --standalone \
    --macos-create-app-bundle \
    --macos-app-name="$APP_NAME" \
    --product-name="$APP_NAME" \
    --product-version="1.0.0" \
    --company-name="PathJuggler" \
    --file-description="File organization utility" \
    --enable-plugin=pyside6 \
    --include-module=watchdog.observers \
    --include-module=watchdog.observers.fsevents \
    --include-module=watchdog.events \
    --output-dir="$DIST_DIR" \
    --remove-output \
    --assume-yes-for-downloads \
    path_juggler_gui.py

# Find the generated app
APP_PATH="$DIST_DIR/path_juggler_gui.app"
FINAL_APP_PATH="$DIST_DIR/$APP_NAME.app"

if [ -d "$APP_PATH" ]; then
    # Rename to proper name
    rm -rf "$FINAL_APP_PATH" 2>/dev/null || true
    mv "$APP_PATH" "$FINAL_APP_PATH"
    
    # Update Info.plist with proper bundle ID
    PLIST="$FINAL_APP_PATH/Contents/Info.plist"
    if [ -f "$PLIST" ]; then
        /usr/libexec/PlistBuddy -c "Set :CFBundleIdentifier $BUNDLE_ID" "$PLIST" 2>/dev/null || true
        /usr/libexec/PlistBuddy -c "Set :CFBundleName $APP_NAME" "$PLIST" 2>/dev/null || true
        /usr/libexec/PlistBuddy -c "Set :CFBundleDisplayName $APP_NAME" "$PLIST" 2>/dev/null || true
    fi
    
    # Sign the app
    echo ""
    echo "=== Signing application (ad-hoc) ==="
    codesign --remove-signature "$FINAL_APP_PATH" 2>/dev/null || true
    codesign --force --deep --sign - "$FINAL_APP_PATH"
    
    echo "Signature applied"
    codesign -dv "$FINAL_APP_PATH" 2>&1 | head -5
else
    echo "Error: App bundle not found"
    echo "Looking for: $APP_PATH"
    ls -la "$DIST_DIR/"
    exit 1
fi

# Clean up
echo ""
echo "=== Cleaning up ==="
rm -rf "$DIST_DIR"/*.build 2>/dev/null || true
rm -rf "$DIST_DIR"/*.dist 2>/dev/null || true
rm -rf "$DIST_DIR"/*.onefile-build 2>/dev/null || true
deactivate
rm -rf "$VENV_DIR"

echo ""
echo "=== Build complete ==="
echo ""
echo "Application created at:"
echo "  $FINAL_APP_PATH"
echo ""
echo "To install, drag the app to your Applications folder:"
echo "  open \"$DIST_DIR\""
echo ""
echo "Note: On first launch, you may need to right-click and select 'Open'"
echo "to bypass Gatekeeper since this is a self-signed app."