package store_test

import (
	"context"
	"errors"
	"testing"

	"github.com/netcell-it/deklarix/internal/store"
)

func TestAssetCreateAndGetLatest(t *testing.T) {
	s := openTestStore(t)
	ctx := context.Background()
	accID := testAccountID(t, s)
	sub, err := s.CreateSubmission(ctx, accID, "instagram", "feed", "...")
	if err != nil {
		t.Fatalf("CreateSubmission: %v", err)
	}

	a, err := s.CreateAsset(ctx, sub.ID, "image", "/var/lib/deklarix/assets/abc.jpg", "deadbeef")
	if err != nil {
		t.Fatalf("CreateAsset: %v", err)
	}
	if a.SubmissionID != sub.ID || a.Kind != "image" {
		t.Fatalf("CreateAsset = %+v, unerwartete Werte", a)
	}

	got, err := s.GetLatestAssetForSubmission(ctx, sub.ID)
	if err != nil {
		t.Fatalf("GetLatestAssetForSubmission: %v", err)
	}
	if got.ID != a.ID || got.SHA256 != "deadbeef" {
		t.Fatalf("GetLatestAssetForSubmission = %+v, want %+v", got, a)
	}
}

func TestGetLatestAssetForSubmissionNotFoundWhenNoneUploaded(t *testing.T) {
	s := openTestStore(t)
	ctx := context.Background()
	accID := testAccountID(t, s)
	sub, err := s.CreateSubmission(ctx, accID, "instagram", "feed", "...")
	if err != nil {
		t.Fatalf("CreateSubmission: %v", err)
	}

	_, err = s.GetLatestAssetForSubmission(ctx, sub.ID)
	if !errors.Is(err, store.ErrNotFound) {
		t.Fatalf("err = %v, want store.ErrNotFound", err)
	}
}

func TestGetLatestAssetForSubmissionReturnsNewestWhenMultiple(t *testing.T) {
	s := openTestStore(t)
	ctx := context.Background()
	accID := testAccountID(t, s)
	sub, err := s.CreateSubmission(ctx, accID, "instagram", "feed", "...")
	if err != nil {
		t.Fatalf("CreateSubmission: %v", err)
	}

	if _, err := s.CreateAsset(ctx, sub.ID, "image", "/tmp/erstes.jpg", "erstehash"); err != nil {
		t.Fatalf("CreateAsset (1): %v", err)
	}
	second, err := s.CreateAsset(ctx, sub.ID, "image", "/tmp/zweites.jpg", "zweitehash")
	if err != nil {
		t.Fatalf("CreateAsset (2): %v", err)
	}

	got, err := s.GetLatestAssetForSubmission(ctx, sub.ID)
	if err != nil {
		t.Fatalf("GetLatestAssetForSubmission: %v", err)
	}
	if got.ID != second.ID {
		t.Fatalf("expected the newest asset, got %+v", got)
	}
}

func TestAssetIsAppendOnly(t *testing.T) {
	s := openTestStore(t)
	ctx := context.Background()
	accID := testAccountID(t, s)
	sub, err := s.CreateSubmission(ctx, accID, "instagram", "feed", "...")
	if err != nil {
		t.Fatalf("CreateSubmission: %v", err)
	}
	a, err := s.CreateAsset(ctx, sub.ID, "image", "/tmp/x.jpg", "hash")
	if err != nil {
		t.Fatalf("CreateAsset: %v", err)
	}

	_, err = s.Pool.Exec(ctx, `UPDATE asset SET sha256 = 'geaendert' WHERE id = $1`, a.ID)
	if err == nil {
		t.Fatal("expected UPDATE on asset to be rejected by the append-only trigger")
	}
	_, err = s.Pool.Exec(ctx, `DELETE FROM asset WHERE id = $1`, a.ID)
	if err == nil {
		t.Fatal("expected DELETE on asset to be rejected by the append-only trigger")
	}
}