feat: add keybinding v2

refs #154
refs #201
refs #202
refs #219

1 files changed, 115 insertions, 1 deletions

diff --git a/src/cli.rs b/src/cli.rs
index 3e07ab2c..e9fe6e81 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -1,6 +1,6 @@
 use std::io::{BufRead, BufReader, Write};
 use std::os::unix::net::UnixStream;
-use std::time::Duration;
+use std::time::{Duration, SystemTime, UNIX_EPOCH};
 
 use serde::Serialize;
 
@@ -33,6 +33,7 @@ pub fn maybe_run(args: &[String]) -> std::io::Result<CommandOutcome> {
             exit_code
         }
         "status" => run_status_command(&args[2..])?,
+        "config" => run_config_command(&args[2..])?,
         "workspace" => run_workspace_command(&args[2..])?,
         "tab" => run_tab_command(&args[2..])?,
         "agent" => run_agent_command(&args[2..])?,
@@ -95,6 +96,114 @@ fn run_status_command(args: &[String]) -> std::io::Result<i32> {
     }
 }
 
+fn run_config_command(args: &[String]) -> std::io::Result<i32> {
+    let Some(subcommand) = args.first().map(|arg| arg.as_str()) else {
+        print_config_help();
+        return Ok(2);
+    };
+
+    match subcommand {
+        "reset-keys" => config_reset_keys(&args[1..]),
+        "help" | "--help" | "-h" => {
+            print_config_help();
+            Ok(0)
+        }
+        _ => {
+            print_config_help();
+            Ok(2)
+        }
+    }
+}
+
+fn config_reset_keys(args: &[String]) -> std::io::Result<i32> {
+    if !args.is_empty() {
+        eprintln!("usage: herdr config reset-keys");
+        return Ok(2);
+    }
+
+    let path = crate::config::config_path();
+    if !path.exists() {
+        println!(
+            "No config file found at {}. Built-in v2 keybindings already apply.",
+            path.display()
+        );
+        return Ok(0);
+    }
+
+    let content = std::fs::read_to_string(&path)?;
+    let parsed = match content.parse::<toml::Value>() {
+        Ok(value) => value,
+        Err(err) => {
+            eprintln!(
+                "config file at {} is invalid TOML: {err}. Fix it manually or move it aside to use defaults.",
+                path.display()
+            );
+            return Ok(1);
+        }
+    };
+    let Some(table) = parsed.as_table() else {
+        eprintln!(
+            "config file at {} is invalid TOML: top-level config must be a table.",
+            path.display()
+        );
+        return Ok(1);
+    };
+
+    if !table.contains_key("keys") {
+        println!(
+            "No [keys] config found in {}. Built-in v2 keybindings already apply.",
+            path.display()
+        );
+        return Ok(0);
+    }
+
+    let (updated, removed) = crate::config::remove_keybinding_config_sections(&content);
+    if !removed {
+        eprintln!(
+            "could not safely remove keybinding config from {} without rewriting comments; edit the file manually or remove the top-level keys setting.",
+            path.display()
+        );
+        return Ok(1);
+    }
+    if let Err(err) = updated.parse::<toml::Value>() {
+        eprintln!(
+            "removing keybinding config would make {} invalid TOML: {err}; leaving config unchanged",
+            path.display()
+        );
+        return Ok(1);
+    }
+
+    let backup_path = key_config_backup_path(&path);
+    std::fs::copy(&path, &backup_path)?;
+    std::fs::write(&path, updated)?;
+
+    println!("Created backup: {}", backup_path.display());
+    println!(
+        "Removed [keys], [keys.indexed], and [[keys.command]] from {}.",
+        path.display()
+    );
+    println!("Built-in v2 keybindings will apply after Herdr restarts or reloads config.");
+    println!("If a Herdr server is running, run `herdr server reload-config` to apply this now.");
+    println!(
+        "To restore: cp {} {}",
+        backup_path.display(),
+        path.display()
+    );
+    Ok(0)
+}
+
+fn key_config_backup_path(path: &std::path::Path) -> std::path::PathBuf {
+    let timestamp = SystemTime::now()
+        .duration_since(UNIX_EPOCH)
+        .map(|duration| duration.as_secs())
+        .unwrap_or(0);
+    let file_name = path
+        .file_name()
+        .and_then(|name| name.to_str())
+        .unwrap_or("config.toml");
+    path.with_file_name(format!("{file_name}.bak-keybind-v2-{timestamp}"))
+}
+
 #[derive(Debug, Clone, PartialEq, Eq)]
 enum ServerRuntimeStatus {
     Running {
@@ -2071,6 +2180,11 @@ fn print_status_help() {
     eprintln!("  herdr status client  show local client binary status");
 }
 
+fn print_config_help() {
+    eprintln!("herdr config commands:");
+    eprintln!("  herdr config reset-keys  back up config.toml and remove custom keybindings");
+}
+
 fn print_workspace_help() {
     eprintln!("herdr workspace commands:");
     eprintln!("  herdr workspace list");