use gloo_net::http::Request;
use leptos::task::spawn_local;
use serde::de::DeserializeOwned;

pub async fn get_json<T: DeserializeOwned>(url: &str) -> Option<T> {
    Request::get(url).send().await.ok()?.json().await.ok()
}

pub async fn get_text(url: &str) -> Option<String> {
    Request::get(url).send().await.ok()?.text().await.ok()
}

/// Returns (success, response body).
pub async fn post(url: &str, body: String) -> Option<(bool, String)> {
    let r = Request::post(url).body(body).ok()?.send().await.ok()?;
    Some((r.ok(), r.text().await.ok()?))
}

pub fn edit(cmd: String) {
    spawn_local(async move {
        let _ = post("/api/edit", cmd).await;
    });
}

fn storage() -> Option<web_sys::Storage> {
    web_sys::window()?.local_storage().ok().flatten()
}

pub fn vim_pref() -> bool {
    storage()
        .and_then(|s| s.get_item("vim").ok().flatten())
        .is_none_or(|v| v != "0")
}

pub fn set_vim_pref(on: bool) {
    if let Some(s) = storage() {
        let _ = s.set_item("vim", if on { "1" } else { "0" });
    }
}