package human

import (
	"testing"
	"time"
)

// The two concepts must stay separate. Pull-request feedback is a response to
// a submission, so anything written at or before the submission was already
// visible when it was made and cannot be a response to it. Steering written
// earlier is issue input, reconciled through the task's own source, and it
// stays valid in every phase.
func TestPullRequestFeedbackIgnoresAnythingNotAfterTheSubmission(t *testing.T) {
	submitted := time.Date(2026, 8, 27, 12, 0, 0, 0, time.UTC)
	state := PullRequestState{
		Comments: []Input{
			{Provider: "gitea", ExternalID: "1", Author: "kami", At: submitted.Add(-time.Hour), Body: "before"},
			{Provider: "gitea", ExternalID: "2", Author: "kami", At: submitted, Body: "at"},
			{Provider: "gitea", ExternalID: "3", Author: "kami", At: submitted.Add(time.Hour), Body: "after"},
		},
		Reviews: []ReviewObservation{
			{Actor: "kami", State: "changes_requested", At: submitted.Add(-time.Minute), Body: "early review"},
		},
	}
	got := state.FeedbackAfter("gitea", submitted, Trust{})
	if len(got) != 1 || got[0].Body != "after" {
		t.Fatalf("feedback = %+v", got)
	}
}

// An untrusted actor's words never move a task, whenever they arrive.
func TestPullRequestFeedbackAppliesTrust(t *testing.T) {
	submitted := time.Date(2026, 8, 27, 12, 0, 0, 0, time.UTC)
	state := PullRequestState{Comments: []Input{
		{Provider: "gitea", ExternalID: "1", Author: "bot", At: submitted.Add(time.Hour), Body: "merged by automation"},
		{Provider: "gitea", ExternalID: "2", Author: "kami", At: submitted.Add(time.Hour), Body: "change this"},
	}}
	got := state.FeedbackAfter("gitea", submitted, Trust{Ignored: []string{"bot"}})
	if len(got) != 1 || got[0].Author != "kami" {
		t.Fatalf("feedback = %+v", got)
	}
}