Fix "time_to_second" helper

lib/auxiliary/time_helper.rb

@@ -4,9 +4,17 @@
 module AutoHCK
   # Helper module
   module Helper
-    def time_to_seconds(time)
-      time.split(':').reverse.map.with_index { |a, i| a.to_i * (60**i) }
-          .reduce(:+)
+    def time_to_seconds(time_string)
+      match = time_string.match(/^(?:(\d+)\.)?(?:(\d+):)?(\d+)(?::(\d+(?:\.\d+)?))?$/)
+
+      return 0 unless match
+
+      days = match[1].to_i
+      hours = match[2].to_i
+      minutes = match[3].to_i
+      seconds = match[4].to_f
+
+      (((((days * 24) + hours) * 60) + minutes) * 60) + seconds
     end
 
     def seconds_to_time(sec)

spec/lib/auxiliary/time_helper_spec.rb

@@ -0,0 +1,32 @@
+# frozen_string_literal: true
+
+require_relative '../../../lib/auxiliary/time_helper'
+
+describe AutoHCK::Helper do
+  include AutoHCK::Helper
+
+  describe '#time_to_seconds' do
+    # Define test cases with time strings and their expected second counts,
+    # with explicit calculations for clarity.
+    time_conversion_cases = {
+      # Format: hh:mm
+      '1:2' => (1 * 60 * 60) + (2 * 60), # 1 hour and 2 minutes in seconds
+      # Format: hh:mm:ss
+      '1:2:3' => (1 * 60 * 60) + (2 * 60) + 3, # 1 hour, 2 minutes, and 3 seconds
+      # Format: dd.hh:mm
+      '1.2:3' => (1 * 86_400) + (2 * 60 * 60) + (3 * 60), # 1 day, 2 hours, and 3 minutes
+      # Format: dd.hh:mm:ss
+      '1.2:3:4' => (1 * 86_400) + (2 * 60 * 60) + (3 * 60) + 4, # 1 day, 2 hours, 3 minutes, and 4 seconds
+      # Format: hh:mm:ss.ff
+      '1:2:3.22' => (1 * 60 * 60) + (2 * 60) + 3.22, # 1 hour, 2 minutes, and 3.22 seconds
+      # Format: dd.hh:mm:ss.ff
+      '1.2:3:4.22' => (1 * 86_400) + (2 * 60 * 60) + (3 * 60) + 4.22 # 1 day, 2 hours, 3 minutes, and 4.22 seconds
+    }
+
+    time_conversion_cases.each do |time_string, seconds|
+      it "correctly converts '#{time_string}' to #{seconds} seconds" do
+        expect(time_to_seconds(time_string)).to eq(seconds)
+      end
+    end
+  end
+end