//! WiFi WPS connect skill - connect using WPS button

use anyhow::Result;
use serde_json::{Value, json};
use std::collections::HashMap;
use std::process::Command;

use crate::{
    DriverCallback, DriverCategory, DriverContext,
    types::{Driver, DriverParameter},
};

#[derive(Debug)]
pub struct WifiWpsConnectDriver;

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

    fn description(&self) -> &str {
        "Connect to a WiFi network using WPS (WiFi Protected Setup) button method"
    }

    fn usage_hint(&self) -> &str {
        "Use this skill to connect to a router using WPS. Press the WPS button on your router within 2 minutes of calling this skill."
    }

    fn parameters(&self) -> Vec<DriverParameter> {
        vec![DriverParameter {
            name: "timeout_secs".to_string(),
            param_type: "integer".to_string(),
            description: "Timeout in seconds to wait for WPS connection (default: 120)".to_string(),
            required: false,
            default: Some(Value::Number(120.into())),
            example: Some(Value::Number(60.into())),
            enum_values: None,
        }]
    }

    fn example_call(&self) -> Value {
        json!({
            "action": "wifi_wps_connect",
            "parameters": {
                "timeout_secs": 120
            }
        })
    }

    fn example_output(&self) -> String {
        "WPS connection initiated. Please press the WPS button on your router. Connected successfully!".to_string()
    }

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

    async fn execute(
        &self,
        parameters: &HashMap<String, Value>,
        callback: Option<&dyn DriverCallback>,
        context: Option<&DriverContext>,
    ) -> Result<String> {
        let timeout = parameters
            .get("timeout_secs")
            .and_then(|v| v.as_u64())
            .unwrap_or(120);

        #[cfg(target_os = "windows")]
        {
            Command::new("netsh")
                .args(["wlan", "wps", "start", "pin"])
                .output()?;
        }

        #[cfg(target_os = "linux")]
        {
            let output = Command::new("wpa_cli").args(["wps_pbc"]).output();

            if output.is_err() {
                anyhow::bail!("WPS not supported. Ensure wpa_supplicant is running.");
            }
        }

        #[cfg(target_os = "macos")]
        {
            anyhow::bail!("WPS is not supported on macOS");
        }

        Ok(format!(
            "WPS connection initiated. Please press the WPS button on your router within {} seconds.",
            timeout
        ))
    }
}
