use anyhow::Result;
use serde_json::Value;
use std::collections::HashMap;
use super::common;
use crate::executors::types::Skill;
#[derive(Debug)]
pub struct PowerSkill;
#[async_trait::async_trait]
impl Skill for PowerSkill {
fn name(&self) -> &str {
"math_power"
}
fn description(&self) -> &str {
"Calculate power or root. Parameters: base (required), exponent (required) for power, or use sqrt for square root"
}
async fn execute(&self, parameters: &HashMap<String, Value>) -> Result<String> {
if let Some(value) = parameters.get("sqrt").and_then(|v| v.as_str()) {
let num = common::validate_number(value)?;
if num < 0.0 {
anyhow::bail!("Cannot calculate square root of negative number: {}", num);
}
let result = num.sqrt();
return Ok(format!("√{} = {}", num, result));
}
if let Some(value) = parameters.get("cbrt").and_then(|v| v.as_str()) {
let num = common::validate_number(value)?;
let result = num.cbrt();
return Ok(format!("∛{} = {}", num, result));
}
let base = parameters
.get("base")
.and_then(|v| v.as_str())
.ok_or_else(|| anyhow::anyhow!("Missing 'base' parameter"))?;
let exponent = parameters
.get("exponent")
.and_then(|v| v.as_str())
.ok_or_else(|| anyhow::anyhow!("Missing 'exponent' parameter"))?;
let base_num = common::validate_number(base)?;
let exp_num = common::validate_number(exponent)?;
let result = base_num.powf(exp_num);
let precision = parameters
.get("precision")
.and_then(|v| v.as_u64())
.unwrap_or(2);
Ok(format!(
"{} ^ {} = {}",
base_num,
exp_num,
common::format_number(result, precision as usize)
))
}
fn validate(&self, parameters: &HashMap<String, Value>) -> Result<()> {
let has_power = parameters.contains_key("base") && parameters.contains_key("exponent");
let has_sqrt = parameters.contains_key("sqrt");
let has_cbrt = parameters.contains_key("cbrt");
if !has_power && !has_sqrt && !has_cbrt {
anyhow::bail!("Missing parameters: provide (base + exponent) or (sqrt) or (cbrt)");
}
Ok(())
}
}