package collector

import "testing"

func TestParseSFPDOM(t *testing.T) {
	raw := `
	Module temperature                        :  41.23 C
	Module voltage                            :  3.30 V
	Laser bias current                        :  6.12 mA
	Laser output power                        :  0.4712 mW / -3.27 dBm
	Receiver signal average optical power     :  0.4123 mW / -3.85 dBm
`
	got := parseSFPDOM(raw)

	if v, ok := got["sfp_temperature_c"].(float64); !ok || v != 41.23 {
		t.Fatalf("sfp_temperature_c mismatch: %#v", got["sfp_temperature_c"])
	}
	if v, ok := got["sfp_voltage_v"].(float64); !ok || v != 3.30 {
		t.Fatalf("sfp_voltage_v mismatch: %#v", got["sfp_voltage_v"])
	}
	if v, ok := got["sfp_bias_ma"].(float64); !ok || v != 6.12 {
		t.Fatalf("sfp_bias_ma mismatch: %#v", got["sfp_bias_ma"])
	}
	if v, ok := got["sfp_tx_power_dbm"].(float64); !ok || v != -3.27 {
		t.Fatalf("sfp_tx_power_dbm mismatch: %#v", got["sfp_tx_power_dbm"])
	}
	if v, ok := got["sfp_rx_power_dbm"].(float64); !ok || v != -3.85 {
		t.Fatalf("sfp_rx_power_dbm mismatch: %#v", got["sfp_rx_power_dbm"])
	}
}

func TestDBMValue(t *testing.T) {
	tests := []struct {
		in   string
		want float64
		ok   bool
	}{
		{"0.4123 mW / -3.85 dBm", -3.85, true},
		{"-1.23 dBm", -1.23, true},
		{"not supported", 0, false},
	}
	for _, tt := range tests {
		got, ok := dbmValue(tt.in)
		if ok != tt.ok {
			t.Fatalf("dbmValue(%q) ok=%v want %v", tt.in, ok, tt.ok)
		}
		if ok && got != tt.want {
			t.Fatalf("dbmValue(%q)=%v want %v", tt.in, got, tt.want)
		}
	}
}