#!/bin/bash
# ShineDiag Pi 3B Setup — einmalig als root ausführen
set -e

echo "=== ShineDiag Installation ==="

# Pakete
apt-get update -q
apt-get install -y python3-pip hostapd dnsmasq

# Python-Abhängigkeiten
pip3 install flask pymodbus --break-system-packages

# Netzwerk: eth0 statische IP
cat setup/dhcpcd.conf >> /etc/dhcpcd.conf

# DHCP-Server für eth0
cp setup/dnsmasq.conf /etc/dnsmasq.conf
systemctl enable dnsmasq

# WiFi-Hotspot
cp setup/hostapd.conf /etc/hostapd/hostapd.conf
echo 'DAEMON_CONF="/etc/hostapd/hostapd.conf"' >> /etc/default/hostapd
systemctl unmask hostapd
systemctl enable hostapd

# Wlan0 IP
cat >> /etc/dhcpcd.conf << 'EOF'

interface wlan0
static ip_address=10.0.1.1/24
nohook wpa_supplicant
EOF

# DHCP auch für wlan0 (MacBook-Verbindung)
cat >> /etc/dnsmasq.conf << 'EOF'

interface=wlan0
dhcp-range=10.0.1.100,10.0.1.200,1h
EOF

# systemd-Service für ShineDiag
INSTALL_DIR="$(pwd)"
cat > /etc/systemd/system/shinediag.service << EOF
[Unit]
Description=ShineDiag Diagnose-Tool
After=network.target

[Service]
ExecStart=/usr/bin/python3 ${INSTALL_DIR}/diagnose.py
WorkingDirectory=${INSTALL_DIR}
Environment=PORT=80
Environment=SHINELANX_IP=10.0.0.100
Restart=always
User=root

[Install]
WantedBy=multi-user.target
EOF

systemctl daemon-reload
systemctl enable shinediag

echo ""
echo "=== Fertig! Bitte neu starten: sudo reboot ==="
echo ""
echo "Nach dem Neustart:"
echo "  WiFi: 'ShineDiag' | Passwort: shinelanx"
echo "  Browser: http://10.0.1.1"