From 4eef9ce364bb660421a96052a3fb126a33b22c63 Mon Sep 17 00:00:00 2001
From: 魏曹先生 <1992414357@qq.com>
Date: Tue, 27 Jan 2026 06:02:59 +0800
Subject: Extract CLI utilities into a separate crate

---
 utils/src/env.rs | 94 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 utils/src/env.rs

(limited to 'utils/src/env.rs')

diff --git a/utils/src/env.rs b/utils/src/env.rs
new file mode 100644
index 0000000..81dfbd7
--- /dev/null
+++ b/utils/src/env.rs
@@ -0,0 +1,94 @@
+/// Returns the current locale string based on environment variables.
+///
+/// The function checks for locale settings in the following order:
+/// 1. JV_LANG environment variable
+/// 2. APP_LANG environment variable
+/// 3. LANG environment variable (extracts base language before dot and replaces underscores with hyphens)
+/// 4. Defaults to "en" if no locale environment variables are found
+///
+/// # Returns
+/// A String containing the detected locale code
+pub fn current_locales() -> String {
+    if let Ok(lang) = std::env::var("JV_LANG") {
+        return lang;
+    }
+
+    if let Ok(lang) = std::env::var("APP_LANG") {
+        return lang;
+    }
+
+    if let Ok(lang) = std::env::var("LANG") {
+        if let Some(base_lang) = lang.split('.').next() {
+            return base_lang.replace('_', "-");
+        }
+        return lang;
+    }
+
+    "en".to_string()
+}
+
+/// Checks if auto update is enabled based on environment variables.
+///
+/// The function checks the JV_AUTO_UPDATE environment variable and compares
+/// its value (after trimming and converting to lowercase) against known
+/// positive and negative values.
+///
+/// # Returns
+/// `true` if the value matches "yes", "y", or "true"
+/// `false` if the value matches "no", "n", or "false", or if the variable is not set
+pub fn enable_auto_update() -> bool {
+    if let Ok(auto_update) = std::env::var("JV_AUTO_UPDATE") {
+        let normalized = auto_update.trim().to_lowercase();
+        match normalized.as_str() {
+            "yes" | "y" | "true" => return true,
+            "no" | "n" | "false" => return false,
+            _ => {}
+        }
+    }
+    false
+}
+
+/// Gets the auto update expiration time based on environment variables.
+///
+/// The function checks the JV_OUTDATED_MINUTES environment variable.
+/// Requires JV_AUTO_UPDATE to be enabled.
+/// Next time the `jv` command is used, if the content is outdated, `jv update` will be automatically executed.
+///
+/// # Returns
+/// - When the set number is < 0, timeout-based update is disabled
+/// - When the set number = 0, update runs every time (not recommended)
+/// - When the set number > 0, update according to the specified time
+/// - If not set or conversion error occurs, the default is -1
+pub fn auto_update_outdate() -> i64 {
+    if !enable_auto_update() {
+        return -1;
+    }
+
+    match std::env::var("JV_OUTDATED_MINUTES") {
+        Ok(value) => match value.trim().parse::<i64>() {
+            Ok(num) => num,
+            Err(_) => -1,
+        },
+        Err(_) => -1,
+    }
+}
+
+/// 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()
+}
-- 
cgit