package hostops

import (
	"context"
	"errors"
	"testing"

	"github.com/carlosframework/platform/internal/release"
)

// TestClassifyPointerDigestMarkerIsExact: the account's pointer digest marker
// (#253) is a reviewed non-app family, put and deleted; nothing else under
// releases/ is.
func TestClassifyPointerDigestMarkerIsExact(t *testing.T) {
	ctx := context.Background()
	key := release.PointerDigestsKey("bab")
	for _, c := range []struct {
		name   string
		target MutationTarget
	}{
		{"marker put", MutationTarget{Surface: "bucket", Method: "Put", Key: key, After: []byte(`{}`)}},
		{"marker put over an existing one", MutationTarget{Surface: "bucket", Method: "Put", Key: key, ETag: "x", Before: []byte(`{}`), After: []byte(`{}`)}},
		{"marker delete", MutationTarget{Surface: "bucket", Method: "Delete", Key: key}},
	} {
		got, err := ClassifyMutation(ctx, nil, nil, c.target)
		if err != nil {
			t.Errorf("%s: %v", c.name, err)
			continue
		}
		if got.Family != "pointer-digest-marker" || got.NonApp == "" || len(got.Scopes) != 0 || got.MailGate {
			t.Errorf("%s: classified %+v, want non-app family pointer-digest-marker with no scopes", c.name, got)
		}
	}
	for _, c := range []struct {
		name   string
		target MutationTarget
	}{
		{"an invalid account", MutationTarget{Surface: "bucket", Method: "Put", Key: "releases/BAB!/pointer-digests", After: []byte(`{}`)}},
		{"an empty account", MutationTarget{Surface: "bucket", Method: "Put", Key: "releases//pointer-digests", After: []byte(`{}`)}},
		{"a fourth segment", MutationTarget{Surface: "bucket", Method: "Put", Key: key + "/x", After: []byte(`{}`)}},
		{"another name under the account", MutationTarget{Surface: "bucket", Method: "Put", Key: "releases/bab/other", After: []byte(`{}`)}},
		{"a lookalike name", MutationTarget{Surface: "bucket", Method: "Put", Key: key + ".json", After: []byte(`{}`)}},
		{"the account prefix itself", MutationTarget{Surface: "bucket", Method: "Delete", Key: "releases/bab"}},
		{"a delete-if-match", MutationTarget{Surface: "bucket", Method: "DeleteIfMatch", Key: key, ETag: "x"}},
	} {
		if got, err := ClassifyMutation(ctx, nil, nil, c.target); !errors.Is(err, ErrUnclassified) {
			t.Errorf("%s: classified %+v, err %v; want ErrUnclassified", c.name, got, err)
		}
	}
}