// ingestion/cmd/server/main_test.go
package main

import (
	"context"
	"log/slog"
	"os"
	"path/filepath"
	"strings"
	"testing"

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

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

func TestClaudeSink_IngestWritesToNonIndexedArchiveNotWiki(t *testing.T) {
	dir := t.TempDir()
	sink := &claudeSink{brainDir: dir, logger: slog.New(slog.NewTextHandler(os.Stderr, nil))}

	err := sink.Ingest(context.Background(), claudewatcher.Batch{
		Host:      "koala",
		FilePath:  "/host-home-claude/projects/-home-mathias-dev/abc.jsonl",
		SessionID: "abc",
		ProjectID: "-home-mathias-dev",
		Turns: []claudewatcher.Turn{
			{Type: "assistant", Content: "did a thing"},
		},
	})
	require.NoError(t, err)

	got, err := os.ReadFile(filepath.Join(dir, "archive", "claude-sessions", "koala", "session-koala-abc.md"))
	require.NoError(t, err, "raw session dump must land in the non-indexed archive")
	assert.Contains(t, string(got), "did a thing")

	_, err = os.Stat(filepath.Join(dir, "wiki", "claude-sessions"))
	assert.True(t, os.IsNotExist(err), "raw transcripts must never land under wiki/ (ai-sessions#10 — BM25 pollution)")
}

// --- #107: an unconfigured alert must announce itself ----------------------

func TestAlertingWarnings(t *testing.T) {
	tests := []struct {
		name string
		env  map[string]string
		want []string // substrings that must appear across the warnings
		none bool     // true = expect no warnings at all
	}{
		{
			// The failure this exists to prevent: two alerts dark in
			// production, discovered only by firing a real event and watching
			// nothing arrive (#100).
			name: "notifier unconfigured names what will not fire",
			env:  map[string]string{},
			want: []string{"BRAIN_NTFY_URL", "brain_edit_root", "audit"},
		},
		{
			name: "configured notifier is silent",
			env:  map[string]string{"BRAIN_NTFY_URL": "http://ntfy/brain-alerts"},
			none: true,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			got := alertingWarnings(func(k string) string { return tt.env[k] })
			if tt.none {
				assert.Empty(t, got)
				return
			}
			joined := strings.Join(got, " ")
			for _, w := range tt.want {
				assert.Contains(t, joined, w)
			}
		})
	}
}

// hyperguild#158: the claude-session archive was written with os.MkdirAll +
// os.WriteFile by path, so a symlinked archive directory redirected it.
func TestClaudeSinkDoesNotWriteThroughASymlinkedArchiveDir(t *testing.T) {
	for name, mk := range map[string]func(t *testing.T, dir string) (link, target string){
		"outside": func(t *testing.T, _ string) (string, string) { o := t.TempDir(); return o, o },
		"in-brain": func(t *testing.T, dir string) (string, string) {
			require.NoError(t, os.MkdirAll(filepath.Join(dir, "raw"), 0o755))
			return filepath.Join("..", "raw"), filepath.Join(dir, "raw")
		},
	} {
		t.Run(name, func(t *testing.T) {
			dir := t.TempDir()
			link, target := mk(t, dir)
			require.NoError(t, os.Symlink(link, filepath.Join(dir, "archive")))
			sink := &claudeSink{brainDir: dir, logger: slog.New(slog.NewTextHandler(os.Stderr, nil))}
			err := sink.Ingest(context.Background(), claudewatcher.Batch{Host: "koala", SessionID: "abc",
				Turns: []claudewatcher.Turn{{Type: "assistant", Content: "x"}}})
			assert.Error(t, err)
			ents, _ := os.ReadDir(target)
			assert.Empty(t, ents, "the archive was written at the link's target")
		})
	}
}