use crate::{
DriverCallback, DriverCategory, DriverContext,
types::{Driver, DriverParameter},
};
use anyhow::Result;
use serde_json::{Value, json};
use std::collections::HashMap;
use std::env;
#[derive(Debug)]
pub struct OsSetEnvDriver;
#[async_trait::async_trait]
impl Driver for OsSetEnvDriver {
fn name(&self) -> &str {
"os_set_env"
}
fn description(&self) -> &str {
"Set an environment variable (temporary, current process only)"
}
fn usage_hint(&self) -> &str {
"Use this skill to set a temporary environment variable for the current session"
}
fn parameters(&self) -> Vec<DriverParameter> {
vec![
DriverParameter {
name: "name".to_string(),
param_type: "string".to_string(),
description: "Environment variable name".to_string(),
required: true,
default: None,
example: Some(Value::String("MY_VAR".to_string())),
enum_values: None,
},
DriverParameter {
name: "value".to_string(),
param_type: "string".to_string(),
description: "Value to set".to_string(),
required: true,
default: None,
example: Some(Value::String("my_value".to_string())),
enum_values: None,
},
]
}
fn example_call(&self) -> Value {
json!({
"action": "os_set_env",
"parameters": {
"name": "MY_VAR",
"value": "my_value"
}
})
}
fn example_output(&self) -> String {
"Environment variable MY_VAR set to my_value".to_string()
}
fn category(&self) -> DriverCategory {
DriverCategory::OperatingSystemBasis
}
async fn execute(
&self,
parameters: &HashMap<String, Value>,
_callback: Option<&dyn DriverCallback>,
_context: Option<&DriverContext>,
) -> Result<String> {
let name = parameters
.get("name")
.and_then(|v| v.as_str())
.ok_or_else(|| anyhow::anyhow!("Missing 'name' parameter"))?;
let value = parameters
.get("value")
.and_then(|v| v.as_str())
.ok_or_else(|| anyhow::anyhow!("Missing 'value' parameter"))?;
unsafe {
env::set_var(name, value);
}
Ok(format!("Environment variable {} set to {}", name, value))
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_os_set_env_metadata() {
let driver = OsSetEnvDriver;
assert_eq!(driver.name(), "os_set_env");
assert_eq!(driver.category(), DriverCategory::OperatingSystemBasis);
}
}