From b602bb20c2efcfc72e529c7de77efbbdf8efbcdd Mon Sep 17 00:00:00 2001
From: Carter Li <zhangsongcui3371@sina.com>
Date: Thu, 8 Feb 2024 14:07:39 +0800
Subject: [PATCH] Battery (Linux): print the same format of battery status as
 other platforms

---
 src/detection/battery/battery_linux.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/src/detection/battery/battery_linux.c b/src/detection/battery/battery_linux.c
index 085e4a892..080183c8d 100644
--- a/src/detection/battery/battery_linux.c
+++ b/src/detection/battery/battery_linux.c
@@ -5,6 +5,8 @@
 
 #include <dirent.h>
 
+// https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-class-power
+
 static void parseBattery(FFstrbuf* dir, const char* id, FFBatteryOptions* options, FFlist* results)
 {
     uint32_t dirLength = dir->length;
@@ -68,6 +70,26 @@ static void parseBattery(FFstrbuf* dir, const char* id, FFBatteryOptions* option
         ffStrbufTrimRightSpace(&result->status);
     ffStrbufSubstrBefore(dir, dirLength);
 
+    // Unknown, Charging, Discharging, Not charging, Full
+    if (ffStrbufEqualS(&result->status, "Not charging") || ffStrbufEqualS(&result->status, "Full"))
+        ffStrbufSetStatic(&result->status, "AC Connected");
+    else if (ffStrbufEqualS(&result->status, "Unknown"))
+        ffStrbufClear(&result->status);
+
+    ffStrbufAppendS(dir, "/capacity_level");
+    if (ffReadFileBuffer(dir->chars, &tmpBuffer))
+    {
+        ffStrbufTrimRightSpace(&result->manufacturer);
+        if (ffStrbufEqualS(&tmpBuffer, "Critical"))
+        {
+            if (result->status.length)
+                ffStrbufAppendS(&result->status, ", Critical");
+            else
+                ffStrbufSetStatic(&result->status, "Critical");
+        }
+    }
+    ffStrbufSubstrBefore(dir, dirLength);
+
     ffStrbufInit(&result->serial);
     ffStrbufAppendS(dir, "/serial_number");
     if (ffReadFileBuffer(dir->chars, &result->serial))