From a4b4ce612349291877de90f7e35bba6e0fef3652 Mon Sep 17 00:00:00 2001
From: Nishant Mishra <nishant.28@outlook.com>
Date: Thu, 9 Oct 2025 08:39:44 +0530
Subject: [PATCH] fix: show minutes when hour count is 0 on graph vertical axis

Closes: #62
---
 .../org/nsh07/pomodoro/ui/statsScreen/TimeColumnChart.kt | 9 +++++++--
 app/src/main/java/org/nsh07/pomodoro/utils/Utils.kt      | 9 +++++++++
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/app/src/main/java/org/nsh07/pomodoro/ui/statsScreen/TimeColumnChart.kt b/app/src/main/java/org/nsh07/pomodoro/ui/statsScreen/TimeColumnChart.kt
index 3edf72f..497e553 100644
--- a/app/src/main/java/org/nsh07/pomodoro/ui/statsScreen/TimeColumnChart.kt
+++ b/app/src/main/java/org/nsh07/pomodoro/ui/statsScreen/TimeColumnChart.kt
@@ -34,6 +34,7 @@ import com.patrykandpatrick.vico.core.cartesian.layer.ColumnCartesianLayer
 import com.patrykandpatrick.vico.core.common.Fill
 import com.patrykandpatrick.vico.core.common.shape.CorneredShape
 import org.nsh07.pomodoro.utils.millisecondsToHours
+import org.nsh07.pomodoro.utils.millisecondsToMinutes
 
 @OptIn(ExperimentalMaterial3ExpressiveApi::class)
 @Composable
@@ -43,8 +44,12 @@ internal fun TimeColumnChart(
     thickness: Dp = 40.dp,
     columnCollectionSpacing: Dp = 4.dp,
     xValueFormatter: CartesianValueFormatter = CartesianValueFormatter.Default,
-    yValueFormatter: CartesianValueFormatter = CartesianValueFormatter { measuringContext, value, _ ->
-        millisecondsToHours(value.toLong())
+    yValueFormatter: CartesianValueFormatter = CartesianValueFormatter { _, value, _ ->
+        if (value >= 60 * 60 * 1000) {
+            millisecondsToHours(value.toLong())
+        } else {
+            millisecondsToMinutes(value.toLong())
+        }
     },
     animationSpec: AnimationSpec<Float>? = motionScheme.slowEffectsSpec()
 ) {
diff --git a/app/src/main/java/org/nsh07/pomodoro/utils/Utils.kt b/app/src/main/java/org/nsh07/pomodoro/utils/Utils.kt
index 6406065..4bbaabf 100644
--- a/app/src/main/java/org/nsh07/pomodoro/utils/Utils.kt
+++ b/app/src/main/java/org/nsh07/pomodoro/utils/Utils.kt
@@ -30,6 +30,15 @@ fun millisecondsToHours(t: Long): String {
     )
 }
 
+fun millisecondsToMinutes(t: Long): String {
+    require(t >= 0L)
+    return String.format(
+        Locale.getDefault(),
+        "%dm",
+        TimeUnit.MILLISECONDS.toMinutes(t)
+    )
+}
+
 fun millisecondsToHoursMinutes(t: Long): String {
     require(t >= 0L)
     return String.format(