package nsc

import (
	"errors"
	"testing"
)

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

	got, changed, err := normalizeMacOSNSCMachineType("5x10")
	if err != nil {
		t.Fatalf("normalizeMacOSNSCMachineType: %v", err)
	}
	if !changed {
		t.Fatal("expected machine type to be normalized")
	}
	if got != "6x14" {
		t.Fatalf("expected 6x14, got %q", got)
	}
}

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

	got, changed, err := normalizeMacOSNSCMachineType("6x14")
	if err != nil {
		t.Fatalf("normalizeMacOSNSCMachineType: %v", err)
	}
	if changed {
		t.Fatal("expected allowed machine type to remain unchanged")
	}
	if got != "6x14" {
		t.Fatalf("expected 6x14, got %q", got)
	}
}

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

	err := errors.New("compute get ssh config failed: unauthenticated: invalid tenant credentials")
	if !shouldFallbackToNSCSSH(err) {
		t.Fatal("expected compute auth error to fall back to nsc ssh")
	}
}

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

	err := errors.New("compute ssh runner bootstrap failed: exit status 1")
	if shouldFallbackToNSCSSH(err) {
		t.Fatal("expected unrelated bootstrap errors to remain fatal")
	}
}

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

	err := errors.New("wait: remote command exited without exit status or exit signal")
	output := `
level=info msg="Runner registered successfully."
time="2026-03-19T11:29:49Z" level=info msg="Starting job"
time="2026-03-19T11:29:50Z" level=info msg="task 124 repo is hackclub/burrow"
`

	if !nscSSHBootstrapLikelySucceeded(err, output) {
		t.Fatal("expected handoff success heuristic to match")
	}
}