feat(send): PR fallback to user / custom grasp

if use is maintainer, push PR to all repo git servers.

if user has a fork, push to all git servers it lists, and repo
grasp servers.

if user hasn't got a fork but has a user grasp list and pushing
push to repo grasp servers fails, create a personal-fork
automatically at each user grasp server and push there.

fallback to prompting user for either grasp servers or git server
with write permission.

if user provides grasp servers, suggesting adding to user preference
list.

2 files changed, 252 insertions, 129 deletions

diff --git a/src/bin/ngit/sub_commands/init.rs b/src/bin/ngit/sub_commands/init.rs
index eaaf83d..01fcaea 100644
--- a/src/bin/ngit/sub_commands/init.rs
+++ b/src/bin/ngit/sub_commands/init.rs
@@ -12,12 +12,12 @@ use console::{Style, Term};
 use dialoguer::theme::{ColorfulTheme, Theme};
 use ngit::{
     UrlWithoutSlash,
-    cli_interactor::{PromptChoiceParms, PromptConfirmParms, PromptMultiChoiceParms},
+    cli_interactor::{PromptChoiceParms, PromptConfirmParms, multi_select_with_custom_value},
     client::{Params, send_events},
     git::nostr_url::{CloneUrl, NostrUrlDecoded},
     repo_ref::{
-        detect_existing_grasp_servers, extract_npub, extract_pks, normalize_grasp_server_url,
-        save_repo_config_to_yaml,
+        detect_existing_grasp_servers, extract_npub, extract_pks,
+        format_grasp_server_url_as_relay_url, normalize_grasp_server_url, save_repo_config_to_yaml,
     },
 };
 use nostr::{
@@ -727,6 +727,11 @@ pub async fn launch(cli_args: &Cli, args: &SubCommandArgs) -> Result<()> {
         web,
         relays: relays.clone(),
         blossoms,
+        hashtags: if let Some(repo_ref) = repo_ref {
+            repo_ref.hashtags
+        } else {
+            vec![]
+        },
         trusted_maintainer: user_ref.public_key,
         maintainers_without_annoucnement: None,
         maintainers: maintainers.clone(),
@@ -848,93 +853,6 @@ pub async fn launch(cli_args: &Cli, args: &SubCommandArgs) -> Result<()> {
     Ok(())
 }
 
-fn multi_select_with_custom_value<F>(
-    prompt: &str,
-    custom_choice_prompt: &str,
-    mut choices: Vec<String>,
-    mut defaults: Vec<bool>,
-    validate_choice: F,
-) -> Result<Vec<String>>
-where
-    F: Fn(&str) -> Result<String>,
-{
-    let mut selected_choices = vec![];
-
-    // Loop to allow users to add more choices
-    loop {
-        // Add 'add another' option at the end of the choices
-        let mut current_choices = choices.clone();
-        current_choices.push(if current_choices.is_empty() {
-            "add".to_string()
-        } else {
-            "add another".to_string()
-        });
-
-        // Create default selections based on the provided defaults
-        let mut current_defaults = defaults.clone();
-        current_defaults.push(current_choices.len() == 1); // 'add another' should not be selected by default
-
-        // Prompt for selections
-        let selected_indices: Vec<usize> = Interactor::default().multi_choice(
-            PromptMultiChoiceParms::default()
-                .with_prompt(prompt)
-                .dont_report()
-                .with_choices(current_choices.clone())
-                .with_defaults(current_defaults),
-        )?;
-
-        // Collect selected choices
-        selected_choices.clear(); // Clear previous selections to update
-        for &index in &selected_indices {
-            if index < choices.len() {
-                // Exclude 'add another' option
-                selected_choices.push(choices[index].clone());
-            }
-        }
-
-        // Check if 'add another' was selected
-        if selected_indices.contains(&(choices.len())) {
-            // Last index is 'add another'
-            let mut new_choice: String;
-            loop {
-                new_choice = Interactor::default().input(
-                    PromptInputParms::default()
-                        .with_prompt(custom_choice_prompt)
-                        .dont_report()
-                        .optional(),
-                )?;
-
-                if new_choice.is_empty() {
-                    break;
-                }
-                // Validate the new choice
-                match validate_choice(&new_choice) {
-                    Ok(valid_choice) => {
-                        new_choice = valid_choice; // Use the fixed version of the input
-                        break; // Valid choice, exit the loop
-                    }
-                    Err(err) => {
-                        // Inform the user about the validation error
-                        println!("Error: {err}");
-                    }
-                }
-            }
-
-            // Add the new choice to the choices vector
-            if !new_choice.is_empty() {
-                choices.push(new_choice.clone()); // Add new choice to the end of the list
-                selected_choices.push(new_choice); // Automatically select the new choice
-                defaults.push(true); // Set the new choice as selected by default
-            }
-        } else {
-            // Exit the loop if 'add another' was not selected
-            break;
-        }
-    }
-
-    Ok(selected_choices)
-}
-
 fn format_grasp_server_url_as_clone_url(
     url: &str,
     public_key: &PublicKey,
@@ -953,14 +871,6 @@ fn format_grasp_server_url_as_clone_url(
     ))
 }
 
-fn format_grasp_server_url_as_relay_url(url: &str) -> Result<String> {
-    let grasp_server_url = normalize_grasp_server_url(url)?;
-    if grasp_server_url.contains("http://") {
-        return Ok(grasp_server_url.replace("http://", "ws://"));
-    }
-    Ok(format!("wss://{grasp_server_url}"))
-}
-
 fn format_grasp_server_url_as_blossom_url(url: &str) -> Result<String> {
     let grasp_server_url = normalize_grasp_server_url(url)?;
     if grasp_server_url.contains("http://") {
diff --git a/src/bin/ngit/sub_commands/send.rs b/src/bin/ngit/sub_commands/send.rs
index 609812b..835153e 100644
--- a/src/bin/ngit/sub_commands/send.rs
+++ b/src/bin/ngit/sub_commands/send.rs
@@ -1,16 +1,27 @@
-use std::{path::Path, str::FromStr};
+use std::{path::Path, str::FromStr, thread, time::Duration};
 
 use anyhow::{Context, Result, bail};
 use console::Style;
 use ngit::{
+    cli_interactor::{PromptChoiceParms, multi_select_with_custom_value},
     client::{Params, send_events},
     git::nostr_url::CloneUrl,
     git_events::{EventRefType, KIND_PULL_REQUEST, generate_cover_letter_and_patch_events},
     push::push_refs_and_generate_pr_or_pr_update_event,
-    repo_ref::is_grasp_server,
+    repo_ref::{
+        format_grasp_server_url_as_clone_url, format_grasp_server_url_as_relay_url,
+        is_grasp_server, normalize_grasp_server_url,
+    },
     utils::proposal_tip_is_pr_or_pr_update,
 };
-use nostr::{ToBech32, event::Event, nips::nip19::Nip19Event};
+use nostr::{
+    ToBech32,
+    event::Event,
+    nips::{
+        nip01::Coordinate,
+        nip19::{Nip19Coordinate, Nip19Event},
+    },
+};
 use nostr_sdk::hashes::sha1::Hash as Sha1Hash;
 
 use crate::{
@@ -179,7 +190,7 @@ pub async fn launch(cli_args: &Cli, args: &SubCommandArgs, no_fetch: bool) -> Re
         None
     };
 
-    let (signer, user_ref, _) = login::login_or_signup(
+    let (signer, mut user_ref, _) = login::login_or_signup(
         &Some(&git_repo),
         &extract_signer_cli_arguments(cli_args).unwrap_or(None),
         &cli_args.password,
@@ -194,20 +205,55 @@ pub async fn launch(cli_args: &Cli, args: &SubCommandArgs, no_fetch: bool) -> Re
     commits.reverse();
 
     let events = if as_pr {
+        let mut to_try = vec![];
+        let mut tried = vec![];
         let repo_grasps = repo_ref.grasp_servers();
-        let repo_grasp_clone_urls: Vec<String> = repo_ref
-            .git_server
-            .iter()
-            .filter(|s| is_grasp_server(s, &repo_grasps))
-            .cloned()
-            .collect();
-        if repo_grasp_clone_urls.is_empty() {
+        // if the user already has a fork, or is a maintainer, use those git servers
+        let mut user_repo_ref = get_repo_ref_from_cache(
+            Some(git_repo_path),
+            &Nip19Coordinate {
+                coordinate: Coordinate {
+                    kind: nostr::event::Kind::GitRepoAnnouncement,
+                    public_key: user_ref.public_key,
+                    identifier: repo_ref.identifier.clone(),
+                },
+                relays: vec![],
+            },
+        )
+        .await
+        .ok();
+        if let Some(user_repo_ref) = &user_repo_ref {
+            for url in &user_repo_ref.git_server {
+                if CloneUrl::from_str(url).is_ok() {
+                    to_try.push(url.clone());
+                }
+            }
+        }
+        if !to_try.is_empty() || !repo_grasps.is_empty() {
+            println!(
+                "pushing proposal refs to {}",
+                if repo_ref.maintainers.contains(&user_ref.public_key) {
+                    "repository git servers"
+                } else if to_try.is_empty() {
+                    "repository grasp servers"
+                } else if repo_grasps.is_empty() {
+                    "the git servers listed in your fork"
+                } else {
+                    "the git servers listed in your fork and repository grasp servers"
+                }
+            );
+        } else {
             println!(
                 "The repository doesn't list a grasp server which would otherwise be used to submit your proposal as nostr Pull Request."
             );
         }
-        let mut to_try = repo_grasp_clone_urls.clone();
-        let mut tried = vec![];
+        // also use repo grasp servers
+        for url in &repo_ref.git_server {
+            if is_grasp_server(url, &repo_grasps) && !to_try.contains(url) {
+                to_try.push(url.clone());
+            }
+        }
+
         let mut git_ref = None;
         loop {
             let (events, _server_responses) = push_refs_and_generate_pr_or_pr_update_event(
@@ -217,7 +263,7 @@ pub async fn launch(cli_args: &Cli, args: &SubCommandArgs, no_fetch: bool) -> Re
                 &user_ref,
                 root_proposal.as_ref(),
                 &cover_letter_title_description,
-                &repo_grasp_clone_urls,
+                &to_try,
                 git_ref.clone(),
                 &signer,
                 &console::Term::stdout(),
@@ -230,27 +276,194 @@ pub async fn launch(cli_args: &Cli, args: &SubCommandArgs, no_fetch: bool) -> Re
             if let Some(events) = events {
                 break events;
             }
-            let clone_url = Interactor::default()
-                .input(
-                    PromptInputParms::default().with_prompt("git repo url with write permission"),
-                )?
-                .clone();
-            if CloneUrl::from_str(&clone_url).is_ok() {
-                to_try.push(clone_url);
-                let mut git_ref_or_branch_name = Interactor::default()
-                    .input(
-                        PromptInputParms::default()
-                            .with_prompt("ref / branch name")
-                            .with_default(git_ref.unwrap_or("refs/nostr/<event-id>".to_string())),
+            // fallback to creating user personal-fork on their grasp servers
+            let untried_user_grasp_servers: Vec<String> = user_ref
+                .grasp_list
+                .urls
+                .iter()
+                .map(std::string::ToString::to_string)
+                .filter(|g| {
+                    // is a grasp server not in list of tried
+                    !is_grasp_server(g, &tried)
+                })
+                .collect();
+
+            if untried_user_grasp_servers.is_empty()
+                && Interactor::default().choice(
+                    PromptChoiceParms::default()
+                        .with_prompt("choose alternative git server")
+                        .dont_report()
+                        .with_choices(vec![
+                            "choose grasp server(s)".to_string(),
+                            "enter a git repo url with write permission".to_string(),
+                        ])
+                        .with_default(0),
+                )? == 1
+            {
+                loop {
+                    let clone_url = Interactor::default()
+                        .input(
+                            PromptInputParms::default()
+                                .with_prompt("git repo url with write permission"),
+                        )?
+                        .clone();
+                    if CloneUrl::from_str(&clone_url).is_ok() {
+                        to_try.push(clone_url);
+                        let mut git_ref_or_branch_name = Interactor::default()
+                            .input(
+                                PromptInputParms::default()
+                                    .with_prompt("ref / branch name")
+                                    .with_default(
+                                        git_ref.unwrap_or("refs/nostr/<event-id>".to_string()),
+                                    ),
+                            )?
+                            .clone();
+                        if !git_ref_or_branch_name.starts_with("refs/") {
+                            git_ref_or_branch_name = format!("refs/heads/{git_ref_or_branch_name}");
+                        }
+                        git_ref = Some(git_ref_or_branch_name);
+                        break;
+                    }
+                    println!("invalid clone url");
+                }
+                continue;
+            }
+
+            let mut new_grasp_server_events: Vec<Event> = vec![];
+
+            let grasp_servers = if untried_user_grasp_servers.is_empty() {
+                let default_choices: Vec<String> = client
+                    .get_grasp_default_set()
+                    .iter()
+                    .filter(|g| !is_grasp_server(g, &tried))
+                    .cloned()
+                    .collect();
+                let selections = vec![true; default_choices.len()]; // all selected by default
+                let grasp_servers = multi_select_with_custom_value(
+                    "grasp server(s)",
+                    "grasp server",
+                    default_choices,
+                    selections,
+                    normalize_grasp_server_url,
+                )?;
+                if grasp_servers.is_empty() {
+                    // ask again
+                    continue;
+                }
+                let normalised_grasp_servers: Vec<String> = grasp_servers
+                    .iter()
+                    .filter_map(|g| normalize_grasp_server_url(g).ok())
+                    .collect();
+                // if any grasp servers not listed in user grasp list prompt to update
+                let grasp_servers_not_in_user_prefs: Vec<String> = normalised_grasp_servers
+                    .iter()
+                    .filter(|g| {
+                        !user_ref.grasp_list.urls.contains(
+                            // unwrap is safe as we constructed g
+                            &nostr::Url::parse(&format_grasp_server_url_as_relay_url(g).unwrap())
+                                .unwrap(),
+                        )
+                    })
+                    .cloned()
+                    .collect();
+                if !grasp_servers_not_in_user_prefs.is_empty()
+                    && Interactor::default().confirm(
+                        PromptConfirmParms::default()
+                            .with_prompt(
+                                "add these to your list of prefered grasp servers?".to_string(),
+                            )
+                            .with_default(true),
                     )?
-                    .clone();
-                if !git_ref_or_branch_name.starts_with("refs/") {
-                    git_ref_or_branch_name = format!("refs/heads/{git_ref_or_branch_name}");
+                {
+                    for g in &normalised_grasp_servers {
+                        let as_url = nostr::Url::parse(&format_grasp_server_url_as_relay_url(g)?)?;
+                        if !user_ref.grasp_list.urls.contains(&as_url) {
+                            user_ref.grasp_list.urls.push(as_url);
+                        }
+                    }
+                    new_grasp_server_events.push(user_ref.grasp_list.to_event(&signer).await?);
                 }
-                git_ref = Some(git_ref_or_branch_name);
+                normalised_grasp_servers
             } else {
-                println!("invalid clone url");
+                println!(
+                    "{} personal-fork so we can push commits to your prefered grasp servers",
+                    if user_repo_ref.is_some() {
+                        "Updating"
+                    } else {
+                        "Creating a"
+                    },
+                );
+                untried_user_grasp_servers
+            };
+
+            let grasp_servers_as_personal_clone_url: Vec<String> = grasp_servers
+                .iter()
+                .filter_map(|g| {
+                    format_grasp_server_url_as_clone_url(
+                        g,
+                        &user_ref.public_key,
+                        &repo_ref.identifier,
+                    )
+                    .ok()
+                })
+                .collect();
+
+            // create personal-fork / update existing user repo and add these grasp servers
+            let updated_user_repo_ref = {
+                if let Some(mut user_repo_ref) = user_repo_ref {
+                    for g in &grasp_servers_as_personal_clone_url {
+                        let _ = user_repo_ref.add_grasp_server(g);
+                    }
+                    user_repo_ref
+                } else {
+                    // clone repo_ref and reset as personal-fork
+                    let mut user_repo_ref = repo_ref.clone();
+                    user_repo_ref.trusted_maintainer = user_ref.public_key;
+                    user_repo_ref.maintainers = vec![user_ref.public_key];
+                    user_repo_ref.git_server = vec![];
+                    user_repo_ref.relays = vec![];
+                    if !user_repo_ref
+                        .hashtags
+                        .contains(&"personal-fork".to_string())
+                    {
+                        user_repo_ref.hashtags.push("personal-fork".to_string());
+                    }
+                    user_repo_ref
+                }
+            };
+            // pubish event to my-relays and my-fork-relays
+            new_grasp_server_events.push(updated_user_repo_ref.to_event(&signer).await?);
+            send_events(
+                &client,
+                Some(git_repo_path),
+                new_grasp_server_events,
+                user_ref.relays.write(),
+                updated_user_repo_ref.relays.clone(),
+                !cli_args.disable_cli_spinners,
+                false,
+            )
+            .await?;
+            user_repo_ref = Some(updated_user_repo_ref);
+            // wait a few seconds
+            let countdown_start = 5;
+            let term = console::Term::stdout();
+            for i in (1..=countdown_start).rev() {
+                term.write_line(
+                    format!(
+                        "waiting {i}s grasp servers to create your repo before we push your data"
+                    )
+                    .as_str(),
+                )?;
+                thread::sleep(Duration::new(1, 0)); // Sleep for 1 second
+                term.clear_last_lines(1)?;
+            }
+            term.flush().unwrap(); // Ensure the output is flushed to the terminal
+
+            // add grasp servers to to_try
+            for url in grasp_servers_as_personal_clone_url {
+                to_try.push(url);
             }
+            // the loop with continue with the grasp servers
         }
     } else {
         let events = generate_cover_letter_and_patch_events(