added final macro to auto implement cli from api types

src/lib.rs

@@ -248,3 +248,59 @@ pub fn alpaca_cli(_attr: TokenStream, item: TokenStream) -> TokenStream {
 
     TokenStream::from(expanded)
 }
+
+#[proc_macro_attribute]
+pub fn api_dispatch(attr: TokenStream, item: TokenStream) -> TokenStream {
+    let input = parse_macro_input!(item as syn::ItemEnum);
+    let enum_ident = &input.ident;
+
+    // Parse attribute input: input = "MyQuery"
+    let meta_args = attr.to_string();
+    let input_type: syn::Ident = {
+        let cleaned = meta_args.trim().replace("input", "").replace('=', "").replace('"', "").trim().to_string();
+        syn::Ident::new(&cleaned, proc_macro2::Span::call_site())
+    };
+
+    let expanded = quote! {
+        #input
+
+        impl ApiDispatch for #enum_ident {
+            fn send_all(
+                &self,
+                client: &awc::Client,
+                keys: &std::collections::HashMap<String, crate::Keys>,
+            ) -> std::pin::Pin<Box<dyn std::future::Future<Output = Result<(), Box<dyn std::error::Error>>> + Send>> {
+                Box::pin(async move {
+                    match self {
+                        #enum_ident::Single { query } => {
+                            let parsed: #input_type = serde_json::from_str(query)?;
+                            parsed.send(client, keys).await?;
+                        }
+                        #enum_ident::Bulk { input } => {
+                            let json = if let Some(raw) = input {
+                                if std::path::Path::new(&raw).exists() {
+                                    std::fs::read_to_string(raw)?
+                                } else {
+                                    raw.clone()
+                                }
+                            } else {
+                                use std::io::Read;
+                                let mut buf = String::new();
+                                std::io::stdin().read_to_string(&mut buf)?;
+                                buf
+                            };
+
+                            let items: Vec<#input_type> = serde_json::from_str(&json)?;
+                            for item in items {
+                                item.send(client, keys).await?;
+                            }
+                        }
+                    }
+                    Ok(())
+                })
+            }
+        }
+    };
+
+    TokenStream::from(expanded)
+}