//! Bluetooth LE advertise start skill - start BLE advertising

use crate::DriverCallback;
use crate::DriverContext;
use crate::{
    DriverCategory,
    types::{Driver, DriverParameter},
};
use anyhow::Result;
use serde_json::{Value, json};
use std::collections::HashMap;
use std::process::Command;

#[derive(Debug)]
pub struct BluetoothLeAdvertiseStartDriver;

#[async_trait::async_trait]
impl Driver for BluetoothLeAdvertiseStartDriver {
    fn name(&self) -> &str {
        "bluetooth_le_advertise_start"
    }

    fn description(&self) -> &str {
        "Start BLE advertising to make the device discoverable to BLE scanners"
    }

    fn usage_hint(&self) -> &str {
        "Use this skill to broadcast your device's presence to BLE devices. Useful for IoT and sensor applications."
    }

    fn parameters(&self) -> Vec<DriverParameter> {
        vec![
            DriverParameter {
                name: "service_uuid".to_string(),
                param_type: "string".to_string(),
                description: "UUID of the service to advertise (optional)".to_string(),
                required: false,
                default: None,
                example: Some(Value::String(
                    "0000180f-0000-1000-8000-00805f9b34fb".to_string(),
                )),
                enum_values: None,
            },
            DriverParameter {
                name: "manufacturer_data".to_string(),
                param_type: "string".to_string(),
                description: "Manufacturer specific data (hex format)".to_string(),
                required: false,
                default: None,
                example: Some(Value::String("0x01020304".to_string())),
                enum_values: None,
            },
        ]
    }

    fn example_call(&self) -> Value {
        json!({
            "action": "bluetooth_le_advertise_start",
            "parameters": {
                "service_uuid": "0000180f-0000-1000-8000-00805f9b34fb"
            }
        })
    }

    fn example_output(&self) -> String {
        "BLE advertising started".to_string()
    }

    fn category(&self) -> DriverCategory {
        DriverCategory::Bluetooth
    }

    async fn execute(
        &self,
        parameters: &HashMap<String, Value>,
        callback: Option<&dyn DriverCallback>,
        context: Option<&DriverContext>,
    ) -> Result<String> {
        let service_uuid = parameters.get("service_uuid").and_then(|v| v.as_str());

        #[cfg(target_os = "linux")]
        {
            Command::new("bluetoothctl")
                .args(["advertise", "on"])
                .output()?;

            if let Some(uuid) = service_uuid {
                Command::new("bluetoothctl")
                    .args(["advertise", "service", uuid])
                    .output()?;
            }
        }

        Ok("BLE advertising started".to_string())
    }
}
