package inbox

import (
	"strings"
	"testing"
)

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

	stdout, stderr, exitCode := executeInboxCommand("--help")
	if exitCode != 0 {
		t.Fatalf("expected help exit 0, got %d\nstderr:\n%s\nstdout:\n%s", exitCode, stderr, stdout)
	}

	combined := stdout + stderr
	if !strings.Contains(combined, "Workers should use inbox directly") {
		t.Fatalf("expected root help to explain worker role, got:\n%s", combined)
	}
	if !strings.Contains(combined, "Constraints:") {
		t.Fatalf("expected root help to include constraints section, got:\n%s", combined)
	}
	if !strings.Contains(combined, "fetch --agent worker-a --status pending") {
		t.Fatalf("expected root help to include a concrete workflow example, got:\n%s", combined)
	}
}

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

	stdout, stderr, exitCode := executeInboxCommand("update", "--help")
	if exitCode != 0 {
		t.Fatalf("expected help exit 0, got %d\nstderr:\n%s\nstdout:\n%s", exitCode, stderr, stdout)
	}

	combined := stdout + stderr
	if !strings.Contains(combined, "Blocked updates should include") {
		t.Fatalf("expected update help to explain blocked questions, got:\n%s", combined)
	}
	if !strings.Contains(combined, "Constraints:") {
		t.Fatalf("expected update help to include constraints section, got:\n%s", combined)
	}
	if !strings.Contains(combined, `--payload-json '{"question":"Use stdout or stderr?"}'`) {
		t.Fatalf("expected update help to include payload-json example, got:\n%s", combined)
	}
}

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

	stdout, stderr, exitCode := executeInboxCommand("wait-reply", "--help")
	if exitCode != 0 {
		t.Fatalf("expected help exit 0, got %d\nstderr:\n%s\nstdout:\n%s", exitCode, stderr, stdout)
	}

	combined := stdout + stderr
	if !strings.Contains(combined, "worker-side blocking primitive") {
		t.Fatalf("expected wait-reply help to explain its role, got:\n%s", combined)
	}
	if !strings.Contains(combined, "--after-event 42 --timeout-seconds 900") {
		t.Fatalf("expected wait-reply help to include resume example, got:\n%s", combined)
	}
}

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

	stdout, stderr, exitCode := executeInboxCommand("list", "--help")
	if exitCode != 0 {
		t.Fatalf("expected help exit 0, got %d\nstderr:\n%s\nstdout:\n%s", exitCode, stderr, stdout)
	}

	combined := stdout + stderr
	if !strings.Contains(combined, "Compared with fetch") {
		t.Fatalf("expected list help to explain how it differs from fetch, got:\n%s", combined)
	}
	if !strings.Contains(combined, "Constraints:") {
		t.Fatalf("expected list help to include constraints section, got:\n%s", combined)
	}
	if !strings.Contains(combined, "--created-by orch --status done,failed") {
		t.Fatalf("expected list help to include inspection-focused example, got:\n%s", combined)
	}
}