package config

import (
	"errors"
	"os"
	"path/filepath"
	"testing"
)

const edgecoreWithReportEventTrue = `apiVersion: edgecore.config.kube.io/v1alpha2
kind: EdgeCore
edged:
  reportEvent: true
  nodeStatusUpdateFrequency: 10
`

const edgecoreWithReportEventFalse = `apiVersion: edgecore.config.kube.io/v1alpha2
kind: EdgeCore
edged:
  reportEvent: false
`

const edgecoreWithoutReportEvent = `apiVersion: edgecore.config.kube.io/v1alpha2
kind: EdgeCore
edged:
  nodeStatusUpdateFrequency: 10
`

func writeFixture(t *testing.T, content string) string {
	t.Helper()
	path := filepath.Join(t.TempDir(), "edgecore.yaml")
	if err := os.WriteFile(path, []byte(content), 0o600); err != nil {
		t.Fatal(err)
	}
	return path
}

func TestReportEventTrue(t *testing.T) {
	report, present, err := ReportEvent(writeFixture(t, edgecoreWithReportEventTrue))
	if err != nil {
		t.Fatalf("ReportEvent: %v", err)
	}
	if !present || !report {
		t.Fatalf("expected (true, true), got (%v, %v)", report, present)
	}
}

func TestReportEventFalse(t *testing.T) {
	report, present, err := ReportEvent(writeFixture(t, edgecoreWithReportEventFalse))
	if err != nil {
		t.Fatalf("ReportEvent: %v", err)
	}
	if !present || report {
		t.Fatalf("expected (false, true), got (%v, %v)", report, present)
	}
}

func TestReportEventMissing(t *testing.T) {
	report, present, err := ReportEvent(writeFixture(t, edgecoreWithoutReportEvent))
	if err != nil {
		t.Fatalf("ReportEvent: %v", err)
	}
	if present || report {
		t.Fatalf("expected (false, false), got (%v, %v)", report, present)
	}
}

func TestReportEventMissingFile(t *testing.T) {
	_, _, err := ReportEvent(filepath.Join(t.TempDir(), "does-not-exist.yaml"))
	if !errors.Is(err, ErrConfigNotFound) {
		t.Fatalf("expected ErrConfigNotFound, got %v", err)
	}
}

func TestReportEventMalformed(t *testing.T) {
	_, _, err := ReportEvent(writeFixture(t, "not: [valid"))
	if err == nil {
		t.Fatal("expected parse error, got nil")
	}
}

func TestReportEventNonBoolean(t *testing.T) {
	_, _, err := ReportEvent(writeFixture(t, "edged:\n  reportEvent: \"yes\""))
	if err == nil {
		t.Fatal("expected type error, got nil")
	}
}