use crate::app::subagent::spawn::AgentDefinition;

pub fn load_global_agents() -> Vec<AgentDefinition> {
    let store = crate::model::store::Store::new();
    let agents_dir = store.base_dir.join("agents");
    if !agents_dir.exists() {
        return Vec::new();
    }
    let mut agents = Vec::new();
    if let Ok(entries) = std::fs::read_dir(&agents_dir) {
        for entry in entries.flatten() {
            let path = entry.path();
            if path.extension().is_some_and(|e| e == "json") {
                if let Ok(content) = std::fs::read_to_string(&path) {
                    if let Ok(def) = serde_json::from_str::<AgentDefinition>(&content) {
                        agents.push(def);
                    }
                }
            }
        }
    }
    agents
}

pub fn save_global_agent(def: &AgentDefinition) -> anyhow::Result<()> {
    let store = crate::model::store::Store::new();
    let agents_dir = store.base_dir.join("agents");
    std::fs::create_dir_all(&agents_dir)?;
    let path = agents_dir.join(format!("{}.json", def.name));
    let content = serde_json::to_string_pretty(def)?;
    std::fs::write(path, content)?;
    Ok(())
}

pub fn remove_global_agent(name: &str) -> anyhow::Result<()> {
    let store = crate::model::store::Store::new();
    let path = store.base_dir.join("agents").join(format!("{}.json", name));
    if path.exists() {
        std::fs::remove_file(path)?;
    }
    Ok(())
}