package notification

import (
	"testing"
)

// TestCatalogClosure asserts that the SupportedKinds slice and the
// `catalog` map agree on the kind set. This catches dropped entries
// during catalog edits.
func TestCatalogClosure(t *testing.T) {
	t.Parallel()
	want := SupportedKinds()
	if len(want) != len(catalog) {
		t.Fatalf("supported kinds=%d, catalog entries=%d", len(want), len(catalog))
	}
	for _, k := range want {
		if _, ok := catalog[k]; !ok {
			t.Errorf("kind %q listed by SupportedKinds but missing from catalog", k)
		}
	}
}

// TestCatalogChannels enforces the per-kind channel set documented in
// `backend/README.md` §10. A drift here means the README and the code
// disagree — either fix the table or fix the test.
func TestCatalogChannels(t *testing.T) {
	t.Parallel()
	expect := map[string][]string{
		KindLobbyInviteReceived:         {ChannelPush, ChannelEmail},
		KindLobbyInviteRevoked:          {ChannelPush},
		KindLobbyApplicationSubmitted:   {ChannelPush},
		KindLobbyApplicationApproved:    {ChannelPush, ChannelEmail},
		KindLobbyApplicationRejected:    {ChannelPush, ChannelEmail},
		KindLobbyMembershipRemoved:      {ChannelPush, ChannelEmail},
		KindLobbyMembershipBlocked:      {ChannelPush, ChannelEmail},
		KindLobbyRaceNameRegistered:     {ChannelPush},
		KindLobbyRaceNamePending:        {ChannelPush, ChannelEmail},
		KindLobbyRaceNameExpired:        {ChannelPush},
		KindRuntimeImagePullFailed:      {ChannelEmail},
		KindRuntimeContainerStartFailed: {ChannelEmail},
		KindRuntimeStartConfigInvalid:   {ChannelEmail},
		KindGameTurnReady:               {ChannelPush},
		KindGamePaused:                  {ChannelPush},
		KindDiplomailReceived:           {ChannelPush},
	}
	for kind, want := range expect {
		entry, ok := LookupCatalog(kind)
		if !ok {
			t.Errorf("kind %q missing from catalog", kind)
			continue
		}
		if len(entry.Channels) != len(want) {
			t.Errorf("kind %q channels=%v want %v", kind, entry.Channels, want)
			continue
		}
		for i, ch := range want {
			if entry.Channels[i] != ch {
				t.Errorf("kind %q channels[%d]=%s want %s", kind, i, entry.Channels[i], ch)
			}
		}
	}
}

// TestCatalogAdminOnlyForRuntime keeps the runtime kinds admin-only and
// every lobby kind user-facing.
func TestCatalogAdminOnlyForRuntime(t *testing.T) {
	t.Parallel()
	for kind, entry := range catalog {
		switch kind {
		case KindRuntimeImagePullFailed, KindRuntimeContainerStartFailed, KindRuntimeStartConfigInvalid:
			if !entry.Admin {
				t.Errorf("kind %q expected Admin=true", kind)
			}
		default:
			if entry.Admin {
				t.Errorf("kind %q expected Admin=false", kind)
			}
		}
	}
}
