use crate::DriverCallback;
use crate::DriverContext;
use crate::{
DriverCategory, DriverError, DriverResult,
types::{Driver, DriverParameter},
};
use serde_json::{Value, json};
use std::collections::HashMap;
use std::process::Command;
use tracing::{debug, info, warn};
#[derive(Debug)]
pub struct BluetoothBleWriteDriver;
#[async_trait::async_trait]
impl Driver for BluetoothBleWriteDriver {
fn name(&self) -> &str {
"bluetooth_ble_write"
}
fn description(&self) -> &str {
"Write a characteristic value to a BLE device"
}
fn usage_hint(&self) -> &str {
"Use this skill to control BLE devices like lights, locks, or sensors. Requires the characteristic UUID."
}
fn parameters(&self) -> Vec<DriverParameter> {
return vec![
DriverParameter {
name: "mac_address".to_string(),
param_type: "string".to_string(),
description: "MAC address of the BLE device".to_string(),
required: true,
default: None,
example: Some(Value::String("AA:BB:CC:DD:EE:FF".to_string())),
enum_values: None,
},
DriverParameter {
name: "characteristic_uuid".to_string(),
param_type: "string".to_string(),
description: "UUID of the characteristic to write".to_string(),
required: true,
default: None,
example: Some(Value::String("00002a19-0000-1000-8000-00805f9b34fb".to_string())),
enum_values: None,
},
DriverParameter {
name: "value".to_string(),
param_type: "string".to_string(),
description: "Value to write (hex format like '0x01' or string)".to_string(),
required: true,
default: None,
example: Some(Value::String("0x01".to_string())),
enum_values: None,
},
];
}
fn example_call(&self) -> DriverResult<Value> {
return Ok(json!({
"action": "bluetooth_ble_write",
"parameters": {
"mac_address": "AA:BB:CC:DD:EE:FF",
"characteristic_uuid": "00002a19-0000-1000-8000-00805f9b34fb",
"value": "0x01"
}
}));
}
fn example_output(&self) -> String {
"Characteristic value written successfully".to_string()
}
fn category(&self) -> DriverCategory {
DriverCategory::Bluetooth
}
async fn execute(
&self,
parameters: &HashMap<String, Value>,
callback: Option<&dyn DriverCallback>,
context: Option<&DriverContext>,
) -> DriverResult<String> {
debug!("Executing bluetooth_ble_write driver");
let mac_address = parameters.get("mac_address").and_then(|v| v.as_str()).ok_or_else(|| {
debug!("Missing 'mac_address' parameter");
DriverError::missing_parameter("mac_address")
})?;
let characteristic_uuid = parameters.get("characteristic_uuid").and_then(|v| v.as_str()).ok_or_else(|| {
debug!("Missing 'characteristic_uuid' parameter");
DriverError::missing_parameter("characteristic_uuid")
})?;
let value = parameters.get("value").and_then(|v| v.as_str()).ok_or_else(|| {
debug!("Missing 'value' parameter");
DriverError::missing_parameter("value")
})?;
debug!("Writing value '{}' to characteristic {} on {}", value, characteristic_uuid, mac_address);
#[cfg(target_os = "linux")]
{
debug!("Executing bluetoothctl set-value {} {} {}", mac_address, characteristic_uuid, value);
let output = crate::common::hidden_cmd("bluetoothctl")
.args(["set-value", mac_address, characteristic_uuid, value])
.output()
.map_err(|e| DriverError::execution(format!("Failed to execute bluetoothctl: {}", e)))?;
if !output.status.success() {
let stderr = String::from_utf8_lossy(&output.stderr);
warn!("bluetoothctl set-value failed: {}", stderr);
return Err(DriverError::execution(format!("Failed to write value: {}", stderr)));
}
}
info!("Characteristic value written successfully");
Ok("Characteristic value written successfully".to_string())
}
}