#!/bin/bash
# Arch R — Bluetooth Auto-Pairing Agent
# Accepts pairing requests and configures connected devices as input devices.
# Runs as a systemd service alongside bluetoothd.

log() { logger -t archr-bt-agent "$1"; }

# Wait for bluetoothd to be ready
for i in $(seq 1 30); do
    bluetoothctl show &>/dev/null && break
    sleep 1
done

log "Bluetooth agent starting..."

# Power on and make discoverable
bluetoothctl power on 2>/dev/null
bluetoothctl discoverable on 2>/dev/null
bluetoothctl pairable on 2>/dev/null

# Set default agent
bluetoothctl agent NoInputNoOutput 2>/dev/null
bluetoothctl default-agent 2>/dev/null

log "Bluetooth agent ready (NoInputNoOutput mode)"

# Monitor connections and auto-trust paired devices
while true; do
    # Get list of paired devices
    PAIRED=$(bluetoothctl paired-devices 2>/dev/null | awk '{print $2}')

    for dev in $PAIRED; do
        # Auto-trust paired devices
        TRUSTED=$(bluetoothctl info "$dev" 2>/dev/null | grep "Trusted: yes")
        if [ -z "$TRUSTED" ]; then
            bluetoothctl trust "$dev" 2>/dev/null
            log "Auto-trusted: $dev"
        fi
    done

    sleep 10
done