use async_trait::async_trait;
use serde_json::{json, Value};
use tokio::sync::RwLock;
use crate::error::{ButterflyBotError, Result};
use crate::interfaces::plugins::Tool;
use crate::todo::{default_todo_db_path, resolve_todo_db_path, TodoStatus, TodoStore};
pub struct TodoTool {
sqlite_path: RwLock<Option<String>>,
store: RwLock<Option<std::sync::Arc<TodoStore>>>,
}
impl Default for TodoTool {
fn default() -> Self {
Self::new()
}
}
impl TodoTool {
pub fn new() -> Self {
Self {
sqlite_path: RwLock::new(None),
store: RwLock::new(None),
}
}
async fn get_store(&self) -> Result<std::sync::Arc<TodoStore>> {
if let Some(store) = self.store.read().await.as_ref() {
return Ok(store.clone());
}
let path = self
.sqlite_path
.read()
.await
.clone()
.unwrap_or_else(default_todo_db_path);
let store = std::sync::Arc::new(TodoStore::new(path).await?);
let mut guard = self.store.write().await;
*guard = Some(store.clone());
Ok(store)
}
}
#[async_trait]
impl Tool for TodoTool {
fn name(&self) -> &str {
"todo"
}
fn description(&self) -> &str {
"Manage an ordered todo list (create, list, reorder, complete, delete)."
}
fn parameters(&self) -> Value {
json!({
"type": "object",
"properties": {
"action": {
"type": "string",
"enum": ["create", "list", "complete", "reopen", "delete", "reorder", "create_many"]
},
"user_id": { "type": "string" },
"title": { "type": "string" },
"notes": { "type": "string" },
"items": {
"type": "array",
"items": {
"oneOf": [
{"type": "string"},
{"type": "object", "properties": {"title": {"type": "string"}, "notes": {"type": "string"}}}
]
}
},
"status": { "type": "string", "enum": ["open", "completed", "all"] },
"limit": { "type": "integer" },
"id": { "type": "integer" },
"ordered_ids": { "type": "array", "items": { "type": "integer" } }
},
"required": ["action", "user_id"]
})
}
fn configure(&self, config: &Value) -> Result<()> {
let path = resolve_todo_db_path(config);
let mut guard = self
.sqlite_path
.try_write()
.map_err(|_| ButterflyBotError::Runtime("Todo tool lock busy".to_string()))?;
*guard = path;
Ok(())
}
async fn execute(&self, params: Value) -> Result<Value> {
let action = params
.get("action")
.and_then(|v| v.as_str())
.unwrap_or("")
.to_string();
let action = match action.as_str() {
"add" | "new" => "create",
"create_list" | "create_many" | "add_many" | "bulk_create" | "create_items" => {
"create_many"
}
other => other,
};
let user_id = params
.get("user_id")
.and_then(|v| v.as_str())
.ok_or_else(|| ButterflyBotError::Runtime("Missing user_id".to_string()))?;
let store = self.get_store().await?;
let limit = params.get("limit").and_then(|v| v.as_u64()).unwrap_or(50) as usize;
match action {
"create" => {
let title = params
.get("title")
.and_then(|v| v.as_str())
.ok_or_else(|| ButterflyBotError::Runtime("Missing title".to_string()))?;
let notes = params.get("notes").and_then(|v| v.as_str());
let item = store.create_item(user_id, title, notes).await?;
Ok(json!({"status": "ok", "item": item}))
}
"create_many" => {
let items = params
.get("items")
.and_then(|v| v.as_array())
.ok_or_else(|| ButterflyBotError::Runtime("Missing items".to_string()))?;
if items.is_empty() {
return Err(ButterflyBotError::Runtime("items empty".to_string()));
}
let mut created = Vec::new();
for item in items {
match item {
Value::String(title) => {
let created_item = store.create_item(user_id, title, None).await?;
created.push(created_item);
}
Value::Object(map) => {
let title =
map.get("title").and_then(|v| v.as_str()).ok_or_else(|| {
ButterflyBotError::Runtime("Missing item title".to_string())
})?;
let notes = map.get("notes").and_then(|v| v.as_str());
let created_item = store.create_item(user_id, title, notes).await?;
created.push(created_item);
}
_ => {
return Err(ButterflyBotError::Runtime(
"Invalid item format".to_string(),
))
}
}
}
Ok(json!({"status": "ok", "items": created}))
}
"list" => {
let status = TodoStatus::from_option(params.get("status").and_then(|v| v.as_str()));
let items = store.list_items(user_id, status, limit).await?;
Ok(json!({"status": "ok", "items": items}))
}
"complete" => {
let id = params
.get("id")
.and_then(|v| v.as_i64())
.ok_or_else(|| ButterflyBotError::Runtime("Missing id".to_string()))?
as i32;
let item = store.set_completed(id, true).await?;
Ok(json!({"status": "ok", "item": item}))
}
"reopen" => {
let id = params
.get("id")
.and_then(|v| v.as_i64())
.ok_or_else(|| ButterflyBotError::Runtime("Missing id".to_string()))?
as i32;
let item = store.set_completed(id, false).await?;
Ok(json!({"status": "ok", "item": item}))
}
"delete" => {
let id = params
.get("id")
.and_then(|v| v.as_i64())
.ok_or_else(|| ButterflyBotError::Runtime("Missing id".to_string()))?
as i32;
let deleted = store.delete_item(id).await?;
Ok(json!({"status": "ok", "deleted": deleted}))
}
"reorder" => {
let ordered_ids = params
.get("ordered_ids")
.and_then(|v| v.as_array())
.ok_or_else(|| ButterflyBotError::Runtime("Missing ordered_ids".to_string()))?;
let ids: Vec<i32> = ordered_ids
.iter()
.filter_map(|value| value.as_i64().map(|v| v as i32))
.collect();
if ids.is_empty() {
return Err(ButterflyBotError::Runtime("ordered_ids empty".to_string()));
}
store.reorder(user_id, &ids).await?;
Ok(json!({"status": "ok"}))
}
_ => Err(ButterflyBotError::Runtime("Unsupported action".to_string())),
}
}
}