#!/bin/bash

# HomeKit Bridge Startup Script
# This script sets up the virtual environment, installs dependencies, and starts the bridge

set -e  # Exit on error

# Determine script directory (apps/homekit)
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

# Navigate to workspace root (two levels up from apps/homekit)
WORKSPACE_ROOT="$(cd "$SCRIPT_DIR/../.." && pwd)"
cd "$WORKSPACE_ROOT"

echo "🏠 HomeKit Bridge Startup"
echo "========================="
echo "   Working dir: $WORKSPACE_ROOT"
echo ""

# Virtual environment path
VENV_DIR="$SCRIPT_DIR/venv"

# Check if virtual environment exists
if [ ! -d "$VENV_DIR" ]; then
    echo "📦 Virtual environment not found. Creating..."
    # Try to use Python 3.12 or 3.13 (3.14 has compatibility issues with HAP-Python)
    if command -v python3.13 &> /dev/null; then
        PYTHON_CMD=python3.13
    elif command -v python3.12 &> /dev/null; then
        PYTHON_CMD=python3.12
    elif command -v python3.11 &> /dev/null; then
        PYTHON_CMD=python3.11
    else
        PYTHON_CMD=python3
        echo "⚠️  Warning: Using default python3. HAP-Python may not work with Python 3.14+"
    fi
    echo "   Using: $PYTHON_CMD"
    $PYTHON_CMD -m venv "$VENV_DIR"
    echo "✅ Virtual environment created at $VENV_DIR"
fi

# Activate virtual environment
echo "🔧 Activating virtual environment..."
source "$VENV_DIR/bin/activate"

# Install/update dependencies
echo "📥 Installing dependencies from requirements.txt..."
pip install --upgrade pip -q
pip install -r "$SCRIPT_DIR/requirements.txt" -q
echo "✅ Dependencies installed"

# Set environment variables (with defaults)
export HOMEKIT_NAME="${HOMEKIT_NAME:-Home Automation Bridge}"
export HOMEKIT_PIN="${HOMEKIT_PIN:-031-45-154}"
export HOMEKIT_PORT="${HOMEKIT_PORT:-51826}"
export API_BASE="${API_BASE:-http://172.19.1.11:8001}"
export HOMEKIT_API_TOKEN="${HOMEKIT_API_TOKEN:-}"
export HOMEKIT_PERSIST_FILE="${HOMEKIT_PERSIST_FILE:-$SCRIPT_DIR/homekit.state}"

# Display configuration
echo ""
echo "⚙️  Configuration:"
echo "   Bridge Name:    $HOMEKIT_NAME"
echo "   Bridge PIN:     $HOMEKIT_PIN"
echo "   Bridge Port:    $HOMEKIT_PORT"
echo "   API Base URL:   $API_BASE"
echo "   Persist File:   $HOMEKIT_PERSIST_FILE"
echo ""

# Start the bridge
echo "🚀 Starting HomeKit Bridge..."
echo "   (Press Ctrl+C to stop)"
echo ""

# Run the bridge from workspace root with correct module path
python -m apps.homekit.main