package api

import (
	"os"
	"path/filepath"
	"testing"

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

const parkedNote = "---\nproposed_wing: radar\nproposal_confidence: 0.40\nproposal_reason: \"text matches the client-content marker\"\ncreated_at: 2026-10-19T08:00:00Z\n---\nBody of the parked note.\n"

// brain_pending lists a parked note under its bare filename, so promote and
// reject must be able to act on exactly that name (#208: they could not).
func TestPromoteNote_ActsOnANoteParkedInNeedsReview(t *testing.T) {
	dir := t.TempDir()
	writeParked(t, dir, "unsure.md", parkedNote)

	rel, err := PromoteNote(dir, PromoteOptions{Filename: "unsure.md", Wing: "homelab", Hall: "facts"})
	require.NoError(t, err)
	assert.Equal(t, "wiki/homelab/facts/unsure.md", rel)

	got, err := os.ReadFile(filepath.Join(dir, "wiki/homelab/facts/unsure.md"))
	require.NoError(t, err)
	assert.Contains(t, string(got), "Body of the parked note.")
	assert.Contains(t, string(got), "wing: homelab")
	assert.NotContains(t, string(got), "proposed_wing", "the resolver's proposal is not part of the promoted note")
	assert.NotContains(t, string(got), "proposal_reason")

	_, statErr := os.Stat(filepath.Join(dir, "raw", "needs-review", "unsure.md"))
	assert.ErrorIs(t, statErr, os.ErrNotExist, "the parked note is consumed")
	pending, err := ListPending(dir)
	require.NoError(t, err)
	assert.Empty(t, pending)
}

func TestRejectNote_ActsOnANoteParkedInNeedsReview(t *testing.T) {
	dir := t.TempDir()
	writeParked(t, dir, "unsure.md", parkedNote)

	rel, err := RejectNote(dir, RejectOptions{Filename: "unsure.md", Reason: "not worth keeping"})
	require.NoError(t, err)
	assert.Equal(t, "raw/rejected/unsure.md", rel)
	_, statErr := os.Stat(filepath.Join(dir, "raw", "needs-review", "unsure.md"))
	assert.ErrorIs(t, statErr, os.ErrNotExist)
	pending, _ := ListPending(dir)
	assert.Empty(t, pending, "a rejected note is not re-listed")
}

func TestPromoteNote_ASymlinkedNeedsReviewIsNotRead(t *testing.T) {
	dir := t.TempDir()
	outside := t.TempDir()
	require.NoError(t, os.WriteFile(filepath.Join(outside, "secret.md"), []byte("outside"), 0o644))
	require.NoError(t, os.MkdirAll(filepath.Join(dir, "raw"), 0o755))
	require.NoError(t, os.Symlink(outside, filepath.Join(dir, "raw", "needs-review")))

	_, err := PromoteNote(dir, PromoteOptions{Filename: "secret.md", Wing: "homelab", Hall: "facts"})
	assert.Error(t, err)
	_, statErr := os.Stat(filepath.Join(dir, "wiki/homelab/facts/secret.md"))
	assert.ErrorIs(t, statErr, os.ErrNotExist)
}