#!/bin/bash

# Turn Raspberry Pi into Wi-Fi Hotspot for Jellyfin

set -e

echo "=== Installing dependencies ==="
sudo apt update
sudo apt install -y hostapd dnsmasq

echo "=== Stopping services to configure ==="
sudo systemctl stop hostapd
sudo systemctl stop dnsmasq

echo "=== Configuring static IP for wlan0 ==="
sudo bash -c 'cat >> /etc/dhcpcd.conf <<EOF

interface wlan0
    static ip_address=192.168.4.1/24
    nohook wpa_supplicant
EOF'

sudo service dhcpcd restart

echo "=== Configuring dnsmasq ==="
sudo mv /etc/dnsmasq.conf /etc/dnsmasq.conf.orig 2>/dev/null || true

sudo bash -c 'cat > /etc/dnsmasq.conf <<EOF
interface=wlan0
dhcp-range=192.168.4.2,192.168.4.20,255.255.255.0,24h
EOF'

echo "=== Configuring hostapd ==="
sudo bash -c 'cat > /etc/hostapd/hostapd.conf <<EOF
interface=wlan0
driver=nl80211
ssid=RaspberryPiMedia
hw_mode=g
channel=7
wmm_enabled=0
macaddr_acl=0
auth_algs=1
ignore_broadcast_ssid=0
wpa=2
wpa_passphrase=raspberrymedia
wpa_key_mgmt=WPA-PSK
rsn_pairwise=CCMP
EOF'

sudo sed -i 's|#DAEMON_CONF=.*|DAEMON_CONF="/etc/hostapd/hostapd.conf"|' /etc/default/hostapd

echo "=== Enabling services ==="
sudo systemctl unmask hostapd
sudo systemctl enable hostapd
sudo systemctl enable dnsmasq

echo "=== Starting services ==="
sudo systemctl start hostapd
sudo systemctl start dnsmasq

echo "=== Done ==="
echo "Connect to the Wi-Fi network: RaspberryPiMedia"
echo "Use password: raspberrymedia"
echo "Access Jellyfin at: http://192.168.4.1:8096"