package cluster

import "testing"

func TestParseSpot(t *testing.T) {
	cases := []struct {
		line     string
		wantCall string
		wantKHz  float64
		wantBand string
		wantLoc  string
	}{
		{
			`DX de DK0SWL:    14195.5  W1AW         CQ Field Day                 1745Z`,
			"W1AW", 14195.5, "20m", "",
		},
		{
			`DX de F4XYZ-#:    7074.0  3DA0RU       FT8 -10                       0823Z JN18`,
			"3DA0RU", 7074.0, "40m", "JN18",
		},
		{
			`DX de N1MM:       14010.0 K1JT         599 NJ                        1234Z FN20`,
			"K1JT", 14010.0, "20m", "FN20",
		},
		{
			`DX de YO3JW       3573.0  EA1ABC       CQ                            2010Z IN73`,
			"EA1ABC", 3573.0, "80m", "IN73",
		},
	}
	for _, c := range cases {
		s, ok := parseSpot(c.line)
		if !ok {
			t.Errorf("%q: parse failed", c.line)
			continue
		}
		if s.DXCall != c.wantCall {
			t.Errorf("%q: call=%q want %q", c.line, s.DXCall, c.wantCall)
		}
		if s.FreqKHz != c.wantKHz {
			t.Errorf("%q: kHz=%v want %v", c.line, s.FreqKHz, c.wantKHz)
		}
		if s.Band != c.wantBand {
			t.Errorf("%q: band=%q want %q", c.line, s.Band, c.wantBand)
		}
		if s.Locator != c.wantLoc {
			t.Errorf("%q: loc=%q want %q", c.line, s.Locator, c.wantLoc)
		}
	}
}

func TestParseSpotRejectsNoise(t *testing.T) {
	noise := []string{
		"Welcome to DXCluster",
		"login:",
		"WX bulletin from G4ABC: heavy rain",
		"To ALL de F1XYZ: anyone using XYZ contest log?",
		"",
		"sh/dx 10",
	}
	for _, line := range noise {
		if _, ok := parseSpot(line); ok {
			t.Errorf("noise line parsed as spot: %q", line)
		}
	}
}