package service

import (
	"strings"
	"testing"

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

// A refusal sentinel must be reported as a refusal, because it needs a different
// decision (retry or skip the page) than a structurally incomplete answer.
func TestWikiPageBodyReportsTheRefusalSentinelSeparately(t *testing.T) {
	content := "SUMMARY: headline\n\n## Body\nSome text.\n\n" + wikiPageRepairUnsafeMarker
	err := validateWikiPageBody(content, true)
	require.Error(t, err)
	require.Contains(t, err.Error(), "unsafe to generate")
	require.Contains(t, err.Error(), wikiPageRepairUnsafeMarker)
}

// The structural failures keep the historical wording so existing assertions and the
// operators' mental model stay valid, with the shape appended for diagnosis.
func TestWikiPageBodyNamesTheStructuralFailure(t *testing.T) {
	err := validateWikiPageBody("SUMMARY: headline\n\n   ", true)
	require.Error(t, err)
	require.Contains(t, err.Error(), "complete wiki page requires a nonempty summary and body")
	require.Contains(t, err.Error(), "empty body")

	err = validateWikiPageBody("## Body only\nText without the summary line.", true)
	require.Error(t, err)
	require.Contains(t, err.Error(), "missing SUMMARY line")

	require.NoError(t, validateWikiPageBody("SUMMARY: headline\n\n## Body\nText.", true))
	require.NoError(t, validateWikiPageBody("## Body only\nText.", false))
	require.Less(t, strings.Count(err.Error(), "complete wiki page"), 2)
}