package discovery

import "testing"

func TestNormalizeRailOperations(t *testing.T) {
	got := NormalizeRailOperations([]string{
		"send",
		"payout.crypto",
		"observe.confirm",
		"unknown",
		"EXTERNAL_CREDIT",
	})

	want := []string{
		RailOperationSend,
		RailOperationExternalCredit,
		RailOperationObserveConfirm,
	}
	if len(got) != len(want) {
		t.Fatalf("unexpected operations count: got=%d want=%d", len(got), len(want))
	}
	for i := range want {
		if got[i] != want[i] {
			t.Fatalf("unexpected operation[%d]: got=%q want=%q", i, got[i], want[i])
		}
	}
}

func TestExpandRailOperationLegacyAliases(t *testing.T) {
	got := ExpandRailOperation("payout.fiat")
	if len(got) != 2 {
		t.Fatalf("unexpected operations count: got=%d want=2", len(got))
	}
	if got[0] != RailOperationExternalCredit {
		t.Fatalf("unexpected first operation: got=%q want=%q", got[0], RailOperationExternalCredit)
	}
	if got[1] != RailOperationSend {
		t.Fatalf("unexpected second operation: got=%q want=%q", got[1], RailOperationSend)
	}
}

func TestIsKnownRail(t *testing.T) {
	if !IsKnownRail("crypto") {
		t.Fatalf("expected crypto rail to be known")
	}
	if IsKnownRail("telegram") {
		t.Fatalf("did not expect telegram rail to be known")
	}
}

func TestNormalizeRailAliases(t *testing.T) {
	if got := NormalizeRail("provider_settlement"); got != RailProviderSettlement {
		t.Fatalf("provider_settlement alias mismatch: got=%q want=%q", got, RailProviderSettlement)
	}
	if got := NormalizeRail("card_payout"); got != RailCardPayout {
		t.Fatalf("card_payout alias mismatch: got=%q want=%q", got, RailCardPayout)
	}
	if got := NormalizeRail("RAIL_SETTLEMENT"); got != RailProviderSettlement {
		t.Fatalf("RAIL_SETTLEMENT alias mismatch: got=%q want=%q", got, RailProviderSettlement)
	}
}