# @name Stopwatch
# @desc Stopwatch with HH:MM:SS or MM:SS:hundredths format
# @author Avemer
# @version 1.0
class Stopwatch

# SETTINGS
# Stopwatch text color
# Format: 0xRRGGBB
# Examples:
# 0xFFFFFF = White
# 0xFF0000 = Red
# 0x00FF00 = Green
# 0x0000FF = Blue
var STOPWATCH_COLOR

# Stopwatch format
# 0 = HH:MM:SS
# 1 = MM:SS:hundredths

var STOPWATCH_FORMAT

# INTERNAL VARIABLES

var running
var started
var elapsed

# INIT

def init()

self.running = false
self.started = 0
self.elapsed = 0

# USER SETTINGS

self.STOPWATCH_COLOR = 0xFFFFFF
self.STOPWATCH_FORMAT = 0
end

# MAIN LOOP
def loop()

end

# DRAW STOPWATCH
def draw()

clear()

# Get current elapsed time in milliseconds.
var current = self.elapsed

if self.running
current = now_ms() - self.started
end

# FORMAT 0: HH:MM:SS
var value = ""

if self.STOPWATCH_FORMAT == 0

var total = int(current / 1000)

var hours = int(total / 3600)
var minutes = int((total - hours * 3600) / 60)
var seconds = total - hours * 3600 - minutes * 60

var hh = str(hours)
var mm = str(minutes)
var ss = str(seconds)

# Add leading zero to hours.
if hours < 10
hh = "0" + hh
end

# Add leading zero to minutes.

if minutes < 10
mm = "0" + mm
end

# Add leading zero to seconds.
if seconds < 10
ss = "0" + ss
end

value = hh + ":" + mm + ":" + ss

# FORMAT 1: MM:SS:HUNDREDTHS
elif self.STOPWATCH_FORMAT == 1

var totalSeconds = int(current / 1000)

var minutes2 = int(totalSeconds / 60)
var seconds2 = totalSeconds - minutes2 * 60

# Convert milliseconds to hundredths of a second (0-99).
var hundredths = int((current % 1000) / 10)

var mm2 = str(minutes2)
var ss2 = str(seconds2)
var ms2 = str(hundredths)

# Add leading zero to minutes.
if minutes2 < 10
mm2 = "0" + mm2
end

# Add leading zero to seconds.
if seconds2 < 10
ss2 = "0" + ss2
end

# Add leading zero to hundredths.
if hundredths < 10
ms2 = "0" + ms2
end

value = mm2 + ":" + ss2 + ":" + ms2

end

# CENTER TEXT
var w = text_ink_width(value)

var x = int((width() - w) / 2)

# DRAW
text(
x,
6,
value,
self.STOPWATCH_COLOR
)

end

# BUTTON
def on_button(btn)

if btn == "select"

# RUNNING → STOP
if self.running

self.elapsed = now_ms() - self.started
self.running = false

# STOPPED WITH TIME → RESET
elif self.elapsed > 0

self.elapsed = 0

# RESET → START
else

self.started = now_ms()
self.running = true

end

end

end

end

return Stopwatch()