package provider

import (
	"errors"
	"testing"

	"orchestra/internal/domain"
)

type appendThenReflectSink struct{ appended bool }

func (s *appendThenReflectSink) Append(domain.Event) error { s.appended = true; return nil }

type failingReflector struct{}

func (failingReflector) ReflectTask(domain.Task, domain.Event) error {
	return errors.New("provider unavailable")
}

type taskLookup struct{}

func (taskLookup) Task(string) (domain.Task, bool) { return domain.Task{ID: "task"}, true }

func TestReflectingSinkAppendsBeforeReflection(t *testing.T) {
	sink := &appendThenReflectSink{}
	err := (ReflectingSink{Sink: sink, Tasks: taskLookup{}, Reflector: failingReflector{}}).Append(domain.Event{TaskID: "task", Type: "TaskCompleted"})
	if !sink.appended {
		t.Fatal("reflection was attempted before canonical append")
	}
	if err == nil {
		t.Fatal("reflection failure was hidden")
	}
}