use crate::{
DriverCallback, DriverCategory, DriverContext, file_exists,
types::{Driver, DriverParameter},
};
use anyhow::Result;
use serde_json::{Value, json};
use std::collections::HashMap;
#[derive(Debug)]
pub struct ImageRotateDriver;
#[async_trait::async_trait]
impl Driver for ImageRotateDriver {
fn name(&self) -> &str {
"image_rotate"
}
fn description(&self) -> &str {
"Rotate an image by 90, 180, or 270 degrees"
}
fn usage_hint(&self) -> &str {
"Use this skill to rotate images that are oriented incorrectly."
}
fn parameters(&self) -> Vec<DriverParameter> {
vec![
DriverParameter {
name: "source".to_string(),
param_type: "string".to_string(),
description: "Source image file path".to_string(),
required: true,
default: None,
example: Some(Value::String("/path/to/input.jpg".to_string())),
enum_values: None,
},
DriverParameter {
name: "destination".to_string(),
param_type: "string".to_string(),
description: "Destination file path for rotated image".to_string(),
required: true,
default: None,
example: Some(Value::String("/path/to/output.jpg".to_string())),
enum_values: None,
},
DriverParameter {
name: "angle".to_string(),
param_type: "integer".to_string(),
description: "Rotation angle in degrees: 90, 180, 270".to_string(),
required: false,
default: Some(Value::Number(90.into())),
example: Some(Value::Number(180.into())),
enum_values: None,
},
]
}
fn example_call(&self) -> Value {
json!({
"action": "image_rotate",
"parameters": {
"source": "/photos/portrait.jpg",
"destination": "/photos/rotated.jpg",
"angle": 90
}
})
}
fn example_output(&self) -> String {
"Successfully rotated image by 90 degrees".to_string()
}
fn category(&self) -> DriverCategory {
DriverCategory::Media
}
async fn execute(
&self,
parameters: &HashMap<String, Value>,
callback: Option<&dyn DriverCallback>,
context: Option<&DriverContext>,
) -> Result<String> {
let task_id = context.as_ref().and_then(|c| c.task_id()).map(String::from);
let driver_index = context.as_ref().and_then(|c| c.driver_index());
let step_name = context
.as_ref()
.and_then(|c| c.driver_name())
.map(String::from);
let cb = callback;
if let Some(cb) = cb {
cb.on_start(task_id.clone(), driver_index, step_name);
cb.on_log(
task_id.clone(),
driver_index,
Some("Starting image rotation".to_string()),
);
cb.on_progress(task_id.clone(), driver_index, Some(10), None);
}
let source = parameters
.get("source")
.and_then(|v| v.as_str())
.ok_or_else(|| anyhow::anyhow!("Missing 'source' parameter"))?;
let destination = parameters
.get("destination")
.and_then(|v| v.as_str())
.ok_or_else(|| anyhow::anyhow!("Missing 'destination' parameter"))?;
let angle = parameters
.get("angle")
.and_then(|v| v.as_u64())
.unwrap_or(90) as u32;
if let Some(cb) = cb {
cb.on_log(
task_id.clone(),
driver_index,
Some(format!(
"Source: {}, destination: {}, angle: {}",
source, destination, angle
)),
);
cb.on_progress(task_id.clone(), driver_index, Some(20), None);
}
if !file_exists(source) {
anyhow::bail!("Source image not found: {}", source);
}
if let Some(cb) = cb {
cb.on_log(
task_id.clone(),
driver_index,
Some(format!("Source file verified: {}", source)),
);
cb.on_progress(task_id.clone(), driver_index, Some(30), None);
}
let img = image::open(source)
.map_err(|e| anyhow::anyhow!("Failed to open image '{}': {}", source, e))?;
if let Some(cb) = cb {
cb.on_log(
task_id.clone(),
driver_index,
Some(format!("Rotating image by {} degrees...", angle)),
);
cb.on_progress(task_id.clone(), driver_index, Some(50), None);
}
let rotated = match angle % 360 {
90 => img.rotate90(),
180 => img.rotate180(),
270 => img.rotate270(),
0 => img,
_ => anyhow::bail!("Unsupported angle {}. Supported: 90, 180, 270", angle),
};
if let Some(cb) = cb {
cb.on_log(
task_id.clone(),
driver_index,
Some("Saving rotated image...".to_string()),
);
cb.on_progress(task_id.clone(), driver_index, Some(75), None);
}
rotated
.save(destination)
.map_err(|e| anyhow::anyhow!("Failed to save rotated image: {}", e))?;
let result = format!("Successfully rotated image by {} degrees", angle);
if let Some(cb) = cb {
cb.on_log(
task_id.clone(),
driver_index,
Some(format!("Result: {}", result)),
);
cb.on_progress(task_id.clone(), driver_index, Some(100), None);
cb.on_complete(
task_id.clone(),
driver_index,
Some("image_rotate".to_string()),
Some(result.clone()),
);
}
Ok(result)
}
}