package monitor_test

import (
	"testing"

	tcell "github.com/gdamore/tcell/v2"

	"git.eeqj.de/sneak/rtnetmon/internal/monitor"
)

func TestMeterColorForValue(t *testing.T) {
	t.Parallel()

	green := tcell.StyleDefault.Foreground(tcell.ColorGreen).Bold(true)
	yellow := tcell.StyleDefault.Foreground(tcell.ColorYellow)
	red := tcell.StyleDefault.Foreground(tcell.ColorRed)

	tests := []struct {
		name            string
		value, maxValue int
		reverse         bool
		want            tcell.Style
	}{
		{"reverse 0% best", 0, 10, true, green},
		{"reverse 10% good", 1, 10, true, green},
		{"reverse 50% medium", 5, 10, true, yellow},
		{"reverse 90% bad", 9, 10, true, red},
		{"reverse 100% worst", 10, 10, true, red},
		{"normal 0% worst", 0, 10, false, red},
		{"normal 10% bad", 1, 10, false, red},
		{"normal 50% medium", 5, 10, false, yellow},
		{"normal 90% good", 9, 10, false, green},
		{"normal 100% best", 10, 10, false, green},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			t.Parallel()

			got := monitor.MeterColorForValue(tt.value, tt.maxValue, tt.reverse)
			if got != tt.want {
				t.Errorf("MeterColorForValue(%d, %d, %v) = %v, want %v",
					tt.value, tt.maxValue, tt.reverse, got, tt.want)
			}
		})
	}
}