Add jvii binary and set default text editor

- Add jvii as a new binary target in Cargo configuration
- Set JV_TEXT_EDITOR environment variable to "nano" in CLI scripts
- Implement jvii binary with version command support
- Add get_default_editor() utility that checks JV_TEXT_EDITOR, EDITOR,
  then defaults to "jvii"

3 files changed, 42 insertions, 1 deletions

diff --git a/src/bin/jvii.rs b/src/bin/jvii.rs
new file mode 100644
index 0000000..e7a20bb
--- /dev/null
+++ b/src/bin/jvii.rs
@@ -0,0 +1,19 @@
+#[derive(Parser, Debug)]
+#[command(
+    disable_help_flag = true,
+    disable_version_flag = true,
+    disable_help_subcommand = true,
+    help_template = "{all-args}"
+)]
+
+struct JustEnoughVcsInputer {
+    #[command(subcommand)]
+    command: JustEnoughVcsInputerCommand,
+}
+
+#[derive(Subcommand, Debug)]
+enum JustEnoughVcsInputerCommand {
+    /// Version information
+    #[command(alias = "--version", alias = "-v")]
+    Version(VersionArgs),
+}
diff --git a/src/utils/env.rs b/src/utils/env.rs
index 5a37365..c96760b 100644
--- a/src/utils/env.rs
+++ b/src/utils/env.rs
@@ -47,3 +47,23 @@ pub fn enable_auto_update() -> bool {
     }
     false
 }
+
+/// Gets the default text editor based on environment variables.
+///
+/// The function checks the JV_TEXT_EDITOR and EDITOR environment variables
+/// and returns their values if they are set. If neither variable is set,
+/// it returns "jvii" as the default editor.
+///
+/// # Returns
+/// A String containing the default text editor
+pub async fn get_default_editor() -> String {
+    if let Ok(editor) = std::env::var("JV_TEXT_EDITOR") {
+        return editor;
+    }
+
+    if let Ok(editor) = std::env::var("EDITOR") {
+        return editor;
+    }
+
+    "jvii".to_string()
+}
diff --git a/src/utils/input.rs b/src/utils/input.rs
index 219fe1b..1edcc5d 100644
--- a/src/utils/input.rs
+++ b/src/utils/input.rs
@@ -1,5 +1,7 @@
 use tokio::{fs, process::Command};
 
+use crate::utils::env::get_default_editor;
+
 /// Confirm the current operation
 /// Waits for user input of 'y' or 'n'
 pub async fn confirm_hint(text: impl Into<String>) -> bool {
@@ -69,7 +71,7 @@ pub async fn input_with_editor(
     fs::write(cache_path, default_content).await?;
 
     // Get editor from environment variable
-    let editor = std::env::var("EDITOR").unwrap_or_else(|_| "vi".to_string());
+    let editor = get_default_editor().await;
 
     // Open editor with cache file
     let status = Command::new(editor).arg(cache_path).status().await?;