package recon

import (
	"context"
	"testing"

	"github.com/stretchr/testify/require"
)

func TestRegisterList(t *testing.T) {
	e := NewEngine()
	require.Empty(t, e.List())

	e.Register(ExampleSource{})
	require.Equal(t, []string{"example"}, e.List())

	// Re-registering the same name is idempotent.
	e.Register(ExampleSource{})
	require.Equal(t, []string{"example"}, e.List())
}

func TestSweepAll(t *testing.T) {
	e := NewEngine()
	e.Register(ExampleSource{})

	findings, err := e.SweepAll(context.Background(), Config{Query: "ignored"})
	require.NoError(t, err)
	require.Len(t, findings, 2, "ExampleSource should emit exactly 2 deterministic findings")

	for _, f := range findings {
		require.Equal(t, "recon:example", f.SourceType)
		require.NotEmpty(t, f.ProviderName)
		require.NotEmpty(t, f.KeyMasked)
		require.NotEmpty(t, f.Source)
	}
}

func TestSweepAll_NoSources(t *testing.T) {
	e := NewEngine()
	findings, err := e.SweepAll(context.Background(), Config{})
	require.NoError(t, err)
	require.Nil(t, findings)
}

// disabledSource tests that Enabled() filtering works.
type disabledSource struct{ ExampleSource }

func (disabledSource) Name() string          { return "disabled" }
func (disabledSource) Enabled(Config) bool   { return false }

func TestSweepAll_FiltersDisabled(t *testing.T) {
	e := NewEngine()
	e.Register(disabledSource{})
	findings, err := e.SweepAll(context.Background(), Config{})
	require.NoError(t, err)
	require.Empty(t, findings)
}