1 files changed, 70 insertions, 0 deletions
diff --git a/.local/bin/battery-screen b/.local/bin/battery-screen
new file mode 100755
index 0000000..26ac78a
--- /dev/null
+++ b/.local/bin/battery-screen
@@ -0,0 +1,70 @@
+#!/usr/bin/env lua
+
+local function read(path)
+  local f = io.open(path)
+  if not f then return nil end
+  local v = tonumber(f:read('*l'))
+  f:close()
+  return v
+end
+
+local function batterytext()
+  local base        = '/sys/class/power_supply/macsmc-battery/'
+
+  local energy_now  = read(base .. 'energy_now')
+  local energy_full = read(base .. 'energy_full')
+  local status_f    = io.open(base .. 'status')
+
+  if not energy_now or not energy_full or not status_f then
+    return { { full_text = 'bat ?' } }
+  end
+
+  local status = status_f:read('*l')
+  status_f:close()
+
+  local capacity = math.floor(energy_now / energy_full * 100 + 0.5)
+
+  local text_color = '#ffffff'
+  local battery_symbol = ' '
+
+  if capacity < 30 then
+    text_color = '#ed8796'
+    battery_symbol = '󰁼'
+  elseif capacity > 70 then
+    text_color = '#a6da95'
+    battery_symbol = '󰂁'
+  else
+    text_color = '#eed49f'
+    battery_symbol = '󰁾'
+  end
+
+  local symbol = ({
+    Charging    = '󱐋',
+    Discharging = battery_symbol,
+  })[status] or ' '
+
+  return string.format('%s %2d%%', symbol, capacity), text_color
+end
+
+function hexToRgb(hex)
+  hex = hex:gsub("#", "")
+
+  local r = tonumber(hex:sub(1, 2), 16)
+  local g = tonumber(hex:sub(3, 4), 16)
+  local b = tonumber(hex:sub(5, 6), 16)
+
+  return r, g, b
+end
+
+function printHexColor(text, hex)
+  local r, g, b = hexToRgb(hex)
+  local colorCode = string.format("\27[38;2;%d;%d;%dm", r, g, b)
+  local resetCode = "\27[0m"
+
+  print(colorCode .. text .. resetCode)
+end
+
+while true do
+  printHexColor(batterytext())
+  os.execute("sleep 1")   -- Wait for 1 second
+end