#!/usr/bin/env bash
set -e

if [ "$EUID" -ne 0 ]; then
    echo "Please run as root"
    exit 1
fi

SERVICE="/etc/systemd/system/rtsp_multi_view.service"
TARGET="/usr/local/bin/rtsp_multi_view"
CONFIG_DIR="/etc/rtsp_multi_view"

echo "Building..."
make -C "$(dirname "$0")/build" -j$(nproc)

echo "Installing binary..."
cp "$(dirname "$0")/build/rtsp_multi_view" "$TARGET"
chmod +x "$TARGET"

echo "Installing auto_reboot.sh..."
cp "$(dirname "$0")/auto_reboot.sh" /usr/local/bin/auto_reboot.sh
chmod +x /usr/local/bin/auto_reboot.sh

echo "Creating config directory..."
mkdir -p "$CONFIG_DIR"
if [ ! -f "$CONFIG_DIR/channels.conf" ]; then
    cp "$(dirname "$0")/channels.conf" "$CONFIG_DIR/channels.conf" 2>/dev/null || true
    echo "Created default config at $CONFIG_DIR/channels.conf"
fi

echo "Creating systemd service..."
cat > "$SERVICE" << 'UNIT'
[Unit]
Description=RTSP Multi-View Display
After=network.target

[Service]
Type=simple
ExecStart=/usr/local/bin/rtsp_multi_view -c /etc/rtsp_multi_view/channels.conf
Restart=always
RestartSec=3
Nice=-10

[Install]
WantedBy=multi-user.target
UNIT

echo "Creating auto-reboot service..."
cat > /etc/systemd/system/auto-reboot.service << 'UNIT'
[Unit]
Description=Scheduled Auto Reboot
After=network.target

[Service]
Type=simple
ExecStart=/usr/local/bin/auto_reboot.sh -c /etc/rtsp_multi_view/channels.conf
Restart=always
RestartSec=5

[Install]
WantedBy=multi-user.target
UNIT

systemctl daemon-reload
systemctl enable rtsp_multi_view auto-reboot
systemctl restart rtsp_multi_view
systemctl restart auto-reboot

echo "Installed and started rtsp_multi_view + auto-reboot services."
echo "Status: systemctl status rtsp_multi_view"
echo "Reboot: systemctl status auto-reboot"
echo "Logs:   journalctl -u rtsp_multi_view -f"