package cat

import "testing"

// What SPLIT means when the operator presses it.
//
// Flipping the rig's split flag alone transmits wherever the OTHER VFO happens
// to sit — reported from a real FTDX10: listening on 14.244 with VFO B left on
// 18.115 from an earlier session, pressing SPLIT threw the transmitter onto
// another band. The other VFO is stale by nature, so the transmit frequency has
// to be derived from where the operator is listening now.
func TestYaesuDefaultSplitOffset(t *testing.T) {
	cases := []struct {
		raw  string
		want int64
	}{
		// CW and the data modes work 1 kHz up.
		{"CW-U", 1000},
		{"CW-L", 1000},
		{"RTTY-U", 1000},
		{"RTTY-L", 1000},
		{"DATA-U", 1000},
		{"DATA-L", 1000},
		// Phone works 5 kHz up.
		{"USB", 5000},
		{"LSB", 5000},
		{"AM", 5000},
		{"FM", 5000},
		// Unknown or not yet read: the phone offset is the safer default — too
		// wide is audible and obvious, too narrow lands on top of the DX.
		{"", 5000},
	}
	for _, c := range cases {
		y := &Yaesu{}
		y.panel.RawMode = c.raw
		if got := y.defaultSplitOffset(); got != c.want {
			t.Errorf("mode %q → split offset %d Hz, want %d", c.raw, got, c.want)
		}
	}
}