// Method dispatch — each handler maps to a nu.rpc.api method name.
// Handlers are stubs; implementation wired in Faz 1.

use crate::types::{JsonRpcRequest, JsonRpcResponse};

pub fn dispatch(req: JsonRpcRequest) -> JsonRpcResponse {
    match req.method.as_str() {
        "nu_getBlock"          => stub(&req, "nu_getBlock"),
        "nu_getTx"             => stub(&req, "nu_getTx"),
        "nu_getAccount"        => stub(&req, "nu_getAccount"),
        "nu_getStory"          => stub(&req, "nu_getStory"),
        "nu_getNode"           => stub(&req, "nu_getNode"),
        "nu_getNft"            => stub(&req, "nu_getNft"),
        "nu_listStories"       => stub(&req, "nu_listStories"),
        "nu_listPendingVotes"  => stub(&req, "nu_listPendingVotes"),
        "nu_sendRawTx"         => stub(&req, "nu_sendRawTx"),
        "nu_chainInfo"         => stub(&req, "nu_chainInfo"),
        _ => JsonRpcResponse::err(req.id, -32601, "Method not found".into()),
    }
}

fn stub(req: &JsonRpcRequest, method: &str) -> JsonRpcResponse {
    JsonRpcResponse::err(
        req.id.clone(),
        -32000,
        format!("{method} not implemented yet"),
    )
}