package clientnotify

import "testing"

func TestChooseChannelPrefersTelegramWhenLinked(t *testing.T) {
	ch, ok := chooseChannel("12345", "", "", true, true, true, true, true, true)
	if !ok || ch != "telegram" {
		t.Errorf("chooseChannel = (%q, %v), want (telegram, true)", ch, ok)
	}
}

func TestChooseChannelPrefersTelegramOverMaxWhenBothLinked(t *testing.T) {
	ch, ok := chooseChannel("12345", "67890", "", true, true, true, true, true, true)
	if !ok || ch != "telegram" {
		t.Errorf("chooseChannel = (%q, %v), want (telegram, true)", ch, ok)
	}
}

func TestChooseChannelFallsBackToMaxWhenNoTelegramLink(t *testing.T) {
	ch, ok := chooseChannel("", "67890", "", true, true, true, true, true, true)
	if !ok || ch != "max" {
		t.Errorf("chooseChannel = (%q, %v), want (max, true)", ch, ok)
	}
}

func TestChooseChannelFallsBackToVkWhenNoTelegramOrMaxLink(t *testing.T) {
	ch, ok := chooseChannel("", "", "112233", true, true, true, true, true, true)
	if !ok || ch != "vk" {
		t.Errorf("chooseChannel = (%q, %v), want (vk, true)", ch, ok)
	}
}

func TestChooseChannelFallsBackToSMSWhenNoLinkedChannel(t *testing.T) {
	ch, ok := chooseChannel("", "", "", true, true, true, true, true, true)
	if !ok || ch != "sms" {
		t.Errorf("chooseChannel = (%q, %v), want (sms, true)", ch, ok)
	}
}

func TestChooseChannelSkipsWhenClientOptedOutOfEverythingAndNoSMS(t *testing.T) {
	ch, ok := chooseChannel("12345", "67890", "112233", false, false, false, false, true, true)
	if ok {
		t.Errorf("chooseChannel = (%q, %v), want ok=false", ch, ok)
	}
}

func TestChooseChannelSkipsWhenClientNotifyDisabledGlobally(t *testing.T) {
	ch, ok := chooseChannel("12345", "", "", true, true, true, true, false, true)
	if ok {
		t.Errorf("chooseChannel = (%q, %v), want ok=false (client notify disabled)", ch, ok)
	}
}

func TestChooseChannelSkipsSMSWhenSMSDisabledGlobally(t *testing.T) {
	ch, ok := chooseChannel("", "", "", true, true, true, true, true, false)
	if ok {
		t.Errorf("chooseChannel = (%q, %v), want ok=false (sms disabled globally)", ch, ok)
	}
}

func TestChooseChannelSkipsSMSWhenClientOptedOut(t *testing.T) {
	ch, ok := chooseChannel("", "", "", true, true, true, false, true, true)
	if ok {
		t.Errorf("chooseChannel = (%q, %v), want ok=false (client opted out of sms)", ch, ok)
	}
}

func TestDedupeKeyIncludesTriggerSeedAndChannel(t *testing.T) {
	got := dedupeKey("status_changed", "evt-123", "telegram")
	want := "status_changed:evt-123:telegram"
	if got != want {
		t.Errorf("dedupeKey = %q, want %q", got, want)
	}
}

func TestDedupeKeyDiffersByChannel(t *testing.T) {
	a := dedupeKey("ready", "evt-1", "telegram")
	b := dedupeKey("ready", "evt-1", "sms")
	if a == b {
		t.Errorf("expected different dedupe keys per channel, got %q for both", a)
	}
}