package wing_test

import (
	"testing"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"

	"github.com/mathiasbq/hyperguild/ingestion/internal/wing"
)

func TestKnownWings_ListsWingsWithHallsAndSkipsTheRetiredLayout(t *testing.T) {
	dir := t.TempDir()
	writePage(t, dir, "wiki/homelab/facts/a.md", "x")
	writePage(t, dir, "wiki/tapir/decisions/b.md", "x")
	writePage(t, dir, "wiki/concepts/c.md", "x")       // retired layout, a file directly under a legacy dir
	writePage(t, dir, "wiki/sources/d.md", "x")        // retired layout
	writePage(t, dir, "wiki/entities/e.md", "x")       // retired layout
	writePage(t, dir, "wiki/loose-note.md", "x")       // a file, not a wing
	writePage(t, dir, "wiki/emptywing/_index.md", "x") // a dir with no hall subdirectory
	got, err := wing.KnownWings(dir)
	require.NoError(t, err)
	assert.Equal(t, []string{"homelab", "tapir"}, got)
}

func TestKnownWings_NoWikiDirIsAnError(t *testing.T) {
	_, err := wing.KnownWings(t.TempDir())
	assert.Error(t, err, "a brain without wiki/ must not look like a brain with no wings")
}

// Known matches case-insensitively and the pipeline writes the lower-case name,
// so a wiki directory that is not already plain lower-case would make the
// pipeline create a different, new wing. It is not a candidate.
func TestKnownWings_SkipsADirectoryThatIsNotAPlainWingName(t *testing.T) {
	dir := t.TempDir()
	writePage(t, dir, "wiki/Radar/facts/a.md", "x")
	writePage(t, dir, "wiki/has space/facts/a.md", "x")
	writePage(t, dir, "wiki/ok/facts/a.md", "x")
	got, err := wing.KnownWings(dir)
	require.NoError(t, err)
	assert.Equal(t, []string{"ok"}, got)
}