package alwaysreject

import (
	"context"
	"testing"

	"gitea.maximumdirect.net/eric/notarius/internal/framework/contracts"
	"gitea.maximumdirect.net/eric/notarius/internal/framework/pipeline"
)

func TestValidatorRejects(t *testing.T) {
	result, err := NewTyped[string](Options{}).Validate(context.Background(), contracts.TypedValidationRequest[string]{Value: "value"})
	if err != nil {
		t.Fatalf("Validate() error = %v, want nil", err)
	}
	if result.Approved {
		t.Fatalf("Approved = true, want false")
	}
	if result.ReasonCode != ReasonCode {
		t.Fatalf("ReasonCode = %q, want %q", result.ReasonCode, ReasonCode)
	}
	if result.Message == "" {
		t.Fatal("Message = empty, want rejection message")
	}
}

func TestSpecAndRegister(t *testing.T) {
	if Spec().Key != Key || Spec().ExecutionClass != contracts.ExecutionClassDeterministic {
		t.Fatalf("Spec() = %#v, want key and deterministic execution", Spec())
	}

	registry := pipeline.NewValidatorRegistry()
	if err := Register(registry); err != nil {
		t.Fatalf("Register() error = %v, want nil", err)
	}
	if registered, ok := registry.Spec(Key); !ok || registered.Key != Key {
		t.Fatalf("Spec(%q) = %#v, %v", Key, registered, ok)
	}
}
