package sendemailcode

import (
	"bytes"
	"context"
	"testing"
	"time"

	"galaxy/authsession/internal/domain/common"
	"galaxy/authsession/internal/testkit"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
	"go.uber.org/zap"
	"go.uber.org/zap/zapcore"
)

func TestExecuteLogsSafeOutcomeFields(t *testing.T) {
	t.Parallel()

	logger, buffer := newObservedServiceLogger()
	service, err := NewWithObservability(
		&testkit.InMemoryChallengeStore{},
		&testkit.InMemoryUserDirectory{},
		&testkit.SequenceIDGenerator{ChallengeIDs: []common.ChallengeID{"challenge-1"}},
		testkit.FixedCodeGenerator{Code: "654321"},
		testkit.DeterministicCodeHasher{},
		&testkit.RecordingMailSender{},
		nil,
		testkit.FixedClock{Time: time.Unix(10, 0).UTC()},
		logger,
		nil,
	)
	require.NoError(t, err)

	_, err = service.Execute(context.Background(), Input{Email: "pilot@example.com"})
	require.NoError(t, err)

	logOutput := buffer.String()
	assert.Contains(t, logOutput, "send_email_code")
	assert.Contains(t, logOutput, "challenge-1")
	assert.Contains(t, logOutput, "\"outcome\":\"sent\"")
	assert.NotContains(t, logOutput, "pilot@example.com")
	assert.NotContains(t, logOutput, "654321")
}

func newObservedServiceLogger() (*zap.Logger, *bytes.Buffer) {
	buffer := &bytes.Buffer{}
	encoderConfig := zap.NewProductionEncoderConfig()
	encoderConfig.TimeKey = ""

	core := zapcore.NewCore(
		zapcore.NewJSONEncoder(encoderConfig),
		zapcore.AddSync(buffer),
		zap.DebugLevel,
	)

	return zap.New(core), buffer
}