package qaopsmirror

import (
	"context"
	"encoding/json"
	"knowledge-governance/internal/dobotaiops"
	pg "knowledge-governance/internal/platform/postgres"
	"testing"
	"time"
)

func TestMasterInlineFieldPatchPersistsOnlyChosenField(t *testing.T) {
	p := mirrorFixture(t)
	ctx := context.Background()
	s := NewStore(p, "fixture-inline-fields")
	queue := pg.NewStore(p)
	source := &fixtureSource{rows: []dobotaiops.MirrorRecord{fixtureEntry("inline-field", "first")}}
	job := claimMirrorJob(t, s, queue, "inline-initial")
	if e := s.HandleSync(ctx, *job, func(context.Context) (Source, error) { return source, nil }); e != nil {
		t.Fatal(e)
	}
	if e := queue.Complete(ctx, job.ID, job.LeaseOwner, time.Now()); e != nil {
		t.Fatal(e)
	}
	rec, e := s.GetMasterRecord(ctx, s.tenant, "inline-field")
	if e != nil {
		t.Fatal(e)
	}
	keys := []dobotaiops.QualityKey{{ID: rec.ID, InputHash: rec.QualityInputHash}}
	before, e := s.ReadMasterQualityViews(ctx, keys)
	if e != nil {
		t.Fatal(e)
	}
	var original string
	if e = p.QueryRow(ctx, `SELECT md5(payload::text||local_fields::text) FROM qa_ops_master_records WHERE tenant_key=$1 AND id=$2`, s.tenant, rec.ID).Scan(&original); e != nil {
		t.Fatal(e)
	}
	q := MasterFieldPatch{InputHash: rec.QualityInputHash, InputEpoch: before[rec.ID].InputEpoch, BaseReviewRevision: before[rec.ID].Revision, Nonce: "fixture_inline_field_001", Fields: map[string]string{"product_category": "MG400"}}
	receipt, e := s.PatchMasterFields(ctx, rec.ID, q, "fixture-admin")
	if e != nil {
		t.Fatalf("single-field persistent edit rejected: %v", e)
	}
	if receipt.SavedRevision != 1 || receipt.Replayed {
		t.Fatalf("invalid receipt: %+v", receipt)
	}
	after, e := NewStore(p, s.tenant).ReadMasterQualityViews(ctx, keys)
	if e != nil {
		t.Fatal(e)
	}
	fresh, e := s.GetMasterRecord(ctx, s.tenant, rec.ID)
	if e != nil || fresh.FieldEditRevision != 1 || fresh.MasterFields["product_category"] != "MG400" {
		t.Fatalf("detail/list read model did not expose saved field version and value: %+v error=%v", fresh, e)
	}
	b, a := before[rec.ID], after[rec.ID]
	b.Effective.ProductCategory = "MG400"
	rawB, _ := json.Marshal(b)
	rawA, _ := json.Marshal(a)
	if string(rawB) != string(rawA) {
		t.Fatalf("unselected conclusions/review provenance changed: before=%s after=%s", rawB, rawA)
	}
	var current string
	var audits int
	if e = p.QueryRow(ctx, `SELECT md5(payload::text||local_fields::text) FROM qa_ops_master_records WHERE tenant_key=$1 AND id=$2`, s.tenant, rec.ID).Scan(&current); e != nil || original != current {
		t.Fatal("source/master payload or stored labels were rewritten", e)
	}
	if e = p.QueryRow(ctx, `SELECT count(*) FROM qa_ops_master_field_edits WHERE tenant_key=$1 AND record_id=$2`, s.tenant, rec.ID).Scan(&audits); e != nil || audits != 1 {
		t.Fatal("field edit audit missing", e)
	}
}