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

echo "========================================="
echo "  Spectra - Inky Impression Installer"
echo "========================================="

# --- Inky library (Raspberry Pi only) ---
if [[ -f /proc/device-tree/model ]] && grep -qi "raspberry pi" /proc/device-tree/model 2>/dev/null; then
    echo ""
    echo "[1/5] Installing Inky library..."
    if python3 -c "import inky" 2>/dev/null; then
        echo "  Inky library already installed, skipping."
    else
        echo "  Cloning from Pimoroni..."
        cd /tmp
        git clone --depth=1 https://github.com/pimoroni/inky.git
        cd inky
        ./install.sh
        cd /
        rm -rf /tmp/inky
    fi
else
    echo ""
    echo "[1/5] No Raspberry Pi detected — skipping Inky library install."
    echo "  Use --simulate to test without a display."
fi

# --- Python dependencies ---
echo ""
echo "[2/5] Installing Python dependencies..."
python3 -m pip install --upgrade pip
python3 -m pip install -r requirements.txt

# --- Package ---
echo ""
echo "[3/5] Installing spectra package..."
python3 -m pip install -e .

# --- Display service ---
echo ""
echo "[4/5] Setting up display service..."
sudo mkdir -p /etc/spectra
if [[ ! -f /etc/spectra/config.yaml ]]; then
    sudo cp config.yaml /etc/spectra/config.yaml
    echo "  Default config copied to /etc/spectra/config.yaml"
fi

sudo cp systemd/spectra.service /etc/systemd/system/
sudo systemctl daemon-reload
sudo systemctl enable spectra.service
echo "  Display service enabled"

# --- Web service ---
echo ""
echo "[5/5] Setting up web interface service..."
sudo cp systemd/spectra-web.service /etc/systemd/system/
sudo systemctl daemon-reload
sudo systemctl enable spectra-web.service
echo "  Web interface service enabled"

echo ""
echo "========================================="
echo "  Installation complete!"
echo ""
echo "  To configure:"
echo "    sudo nano /etc/spectra/config.yaml"
echo "    (add your Unsplash API access key)"
echo ""
echo "  Display service:"
echo "    sudo systemctl start spectra"
echo ""
echo "  Web interface:"
echo "    sudo systemctl start spectra-web"
echo "    http://<raspberry-pi-ip>:5000"
echo ""
echo "  To test without hardware:"
echo "    spectra --simulate --once"
echo "========================================="