From 44974c412f82e8ff9fb2ce935e7fc5227c629546 Mon Sep 17 00:00:00 2001
From: SunBK201 <sunbk201gm@gmail.com>
Date: Thu, 4 Dec 2025 14:57:40 +0800
Subject: [PATCH] feat: add version update check

---
 openwrt/files/luci/model/cbi/ua3f.lua    | 18 ++++++--
 openwrt/files/luci/view/ua3f/version.htm | 59 ++++++++++++++++++++++++
 2 files changed, 72 insertions(+), 5 deletions(-)
 create mode 100644 openwrt/files/luci/view/ua3f/version.htm

diff --git a/openwrt/files/luci/model/cbi/ua3f.lua b/openwrt/files/luci/model/cbi/ua3f.lua
index 318944d..c60c84b 100644
--- a/openwrt/files/luci/model/cbi/ua3f.lua
+++ b/openwrt/files/luci/model/cbi/ua3f.lua
@@ -3,14 +3,22 @@ local i18n = require("luci.i18n")
 local translate = i18n.translate
 local NamedSection = cbi.NamedSection
 
-local ua3f = cbi.Map("ua3f",
-    "UA3F",
-    [[
-        <a href="https://github.com/SunBK201/UA3F" target="_blank">Version: 2.0.0</a>
+local function load_version_desc()
+    local fs = require("nixio.fs")
+    local content = fs.readfile("/usr/lib/lua/luci/view/ua3f/version.htm")
+    if content then
+        return content
+    end
+    -- Fallback if file not found
+    return [[
+        <a href="https://github.com/SunBK201/UA3F" target="_blank">GitHub</a>
         <br>
         Across the Campus we can reach every corner in the world.
     ]]
-)
+end
+
+local ua3f = cbi.Map("ua3f", "UA3F", load_version_desc())
+
 local status = require("luci.model.cbi.ua3f.status")
 local general = require("luci.model.cbi.ua3f.general")
 local rule = require("luci.model.cbi.ua3f.rule")
diff --git a/openwrt/files/luci/view/ua3f/version.htm b/openwrt/files/luci/view/ua3f/version.htm
new file mode 100644
index 0000000..d1c3988
--- /dev/null
+++ b/openwrt/files/luci/view/ua3f/version.htm
@@ -0,0 +1,59 @@
+<span style="display: inline-flex;">
+    <a href="https://github.com/SunBK201/UA3F" target="_blank">
+        Version: <span id="ua3f-current-version">2.0.0</span>
+    </a>
+    <span id="ua3f-update-status" style="margin-left: 10px;"></span>
+</span>
+<br>
+Across the Campus we can reach every corner in the world.
+
+<script type="text/javascript">
+    (function () {
+        var CURRENT_VERSION = document.getElementById('ua3f-current-version').textContent;
+
+        function compareVersions(v1, v2) {
+            var parts1 = v1.replace(/^v/, '').split('.').map(Number);
+            var parts2 = v2.replace(/^v/, '').split('.').map(Number);
+            for (var i = 0; i < 3; i++) {
+                var p1 = parts1[i] || 0;
+                var p2 = parts2[i] || 0;
+                if (p1 < p2) return -1;
+                if (p1 > p2) return 1;
+            }
+            return 0;
+        }
+
+        function checkUpdate() {
+            var statusEl = document.getElementById('ua3f-update-status');
+            if (!statusEl) return;
+
+            fetch('https://api.github.com/repos/SunBK201/UA3F/releases/latest')
+                .then(function (response) {
+                    if (!response.ok) throw new Error('Network error');
+                    return response.json();
+                })
+                .then(function (data) {
+                    if (data && data.tag_name) {
+                        var latestVersion = data.tag_name.replace(/^v/, '');
+                        var hasUpdate = compareVersions(CURRENT_VERSION, latestVersion) < 0;
+                        var releaseUrl = data.html_url || 'https://github.com/SunBK201/UA3F/releases/latest';
+
+                        if (hasUpdate) {
+                            statusEl.innerHTML = '<a href="' + releaseUrl + '" target="_blank" style="color: #ff6600; font-weight: bold;">New version available: ' + latestVersion + '</a>';
+                        }
+                    } else {
+                        statusEl.innerHTML = '';
+                    }
+                })
+                .catch(function (err) {
+                    statusEl.innerHTML = '';
+                });
+        }
+
+        if (document.readyState === 'loading') {
+            document.addEventListener('DOMContentLoaded', checkUpdate);
+        } else {
+            checkUpdate();
+        }
+    })();
+</script>
\ No newline at end of file