#!/bin/bash
# Installation script for dreader-hal hardware drivers
#
# This script installs all the external driver dependencies needed
# for running DReader on e-ink hardware.

set -e  # Exit on error

echo "================================"
echo "DReader Hardware Driver Installer"
echo "================================"
echo ""

# Check if we're in a virtual environment
if [ -z "$VIRTUAL_ENV" ]; then
    echo "⚠️  Warning: No virtual environment detected!"
    echo "It's recommended to activate your virtual environment first:"
    echo "  source venv/bin/activate"
    echo ""
    read -p "Continue anyway? (y/N) " -n 1 -r
    echo
    if [[ ! $REPLY =~ ^[Yy]$ ]]; then
        exit 1
    fi
fi

# Initialize submodules if not already done
echo "Step 1: Initializing git submodules..."
git submodule update --init --recursive
echo "✓ Submodules initialized"
echo ""

# Install dreader-hal main package
echo "Step 2: Installing dreader-hal..."
pip install -e external/dreader-hal
echo "✓ dreader-hal installed"
echo ""

# Install external drivers
echo "Step 3: Installing external driver libraries..."

echo "  - Installing IT8951 (E-ink display driver)..."
pip install -e external/dreader-hal/external/IT8951

echo "  - Installing PyBMA400 (Accelerometer)..."
pip install -e external/dreader-hal/external/PyBMA400

echo "  - Installing PyFTtxx6 (Touch panel)..."
pip install -e external/dreader-hal/external/PyFTtxx6/pyft5xx6

echo "  - Installing PyPCF8523 (RTC)..."
pip install -e external/dreader-hal/external/PyPCF8523

echo "  - Installing pi_ina219 (Power monitor)..."
pip install -e external/dreader-hal/external/pi_ina219

echo "✓ All drivers installed"
echo ""

# Summary
echo "================================"
echo "Installation Complete!"
echo "================================"
echo ""
echo "Installed packages:"
echo "  ✓ dreader-hal (main HAL library)"
echo "  ✓ IT8951 (e-ink display)"
echo "  ✓ PyBMA400 (accelerometer)"
echo "  ✓ PyFTtxx6 (touch panel)"
echo "  ✓ PyPCF8523 (RTC)"
echo "  ✓ pi_ina219 (power monitor)"
echo ""
echo "Next steps:"
echo "  1. Wire up your hardware according to HARDWARE_SETUP.md"
echo "  2. Check your display's VCOM voltage (on label)"
echo "  3. Run: python examples/run_on_hardware.py /path/to/books --vcom YOUR_VCOM"
echo ""
echo "Example:"
echo "  python examples/run_on_hardware.py ~/Books --vcom -2.06"
echo ""