package httpapi

import (
	"context"
	"encoding/json"
	"knowledge-governance/internal/dobotaiops"
	"knowledge-governance/internal/qaopsquality"
	"testing"
)

type downvoteSnapshotReader struct {
	QAOpsReader
	view qaopsquality.View
}

func (s downvoteSnapshotReader) ReadStoredQuality(context.Context, []dobotaiops.QualityKey) (map[string]qaopsquality.View, error) {
	return map[string]qaopsquality.View{"fixture-feedback-race": s.view}, nil
}

func TestMasterQualityEnrichmentUsesOneFeedbackDecisionEvenWhenVoteChangesBetweenReads(t *testing.T) {
	for _, test := range []struct {
		name                     string
		old, current             dobotaiops.RecordFeedback
		label, correctness, rule string
	}{
		{"new-downvote", dobotaiops.RecordFeedback{}, dobotaiops.RecordFeedback{Down: 1}, "否", "incorrect", "downvote-is-incorrect-v1"},
		{"withdrawn-current-vote", dobotaiops.RecordFeedback{Down: 1}, dobotaiops.RecordFeedback{}, "是", "correct", ""},
	} {
		t.Run(test.name, func(t *testing.T) {
			view := qaopsquality.View{EffectiveSource: "master-effective-fields-v1", FeedbackRule: test.rule, Effective: qaopsquality.Fields{Correctness: test.correctness}, MasterFeedback: &test.current}
			c := Config{QAOps: downvoteSnapshotReader{view: view}, QAQuality: &qualityFake{}}
			item := dobotaiops.Record{ID: "fixture-feedback-race", RecordOrigin: "dobotai_2_0", Feedback: test.old, MasterFields: map[string]string{"is_correct": "待确认"}}
			if err := enrichQAQualityRecord(context.Background(), c, &item); err != nil {
				t.Fatal(err)
			}
			if item.Feedback != test.current || item.MasterFields["is_correct"] != test.label {
				t.Fatal("detail combines an old feedback snapshot with a newer quality decision")
			}
			page := dobotaiops.RecordPage{Items: []dobotaiops.Record{{ID: item.ID, RecordOrigin: item.RecordOrigin, Feedback: test.old, MasterFields: map[string]string{"is_correct": "待确认"}}}}
			// The common projection must be shared by the list and detail enrichment paths.
			if err := enrichQAQualityPage(context.Background(), c, &page); err != nil {
				t.Fatal(err)
			}
			if page.Items[0].Feedback != test.current || page.Items[0].MasterFields["is_correct"] != test.label {
				t.Fatal("list combines an old feedback snapshot with a newer quality decision")
			}
			var quality map[string]any
			if json.Unmarshal(item.Quality, &quality) != nil {
				t.Fatal("quality response missing")
			}
		})
	}
}