package mailx_test

import (
	"context"
	"testing"

	mailx "code.yun.ink/pkg/mailx"
)

// recordingLogger 记录日志调用的最小实现
type recordingLogger struct{}

func (recordingLogger) Debugf(context.Context, string, ...any) {}
func (recordingLogger) Infof(context.Context, string, ...any)  {}
func (recordingLogger) Warnf(context.Context, string, ...any)  {}
func (recordingLogger) Errorf(context.Context, string, ...any) {}

var _ mailx.Logger = recordingLogger{}

func TestLoggerRoundTrip(t *testing.T) {
	ctx := mailx.WithLogger(context.Background(), recordingLogger{})
	l := mailx.LoggerFromContext(ctx)
	if _, ok := l.(recordingLogger); !ok {
		t.Fatalf("logger type = %T, want recordingLogger", l)
	}
}

func TestLoggerDefaultNotNil(t *testing.T) {
	l := mailx.LoggerFromContext(context.Background())
	if l == nil {
		t.Fatal("default logger should not be nil")
	}
	// 不应 panic
	l.Debugf(context.Background(), "noop")
	l.Infof(context.Background(), "noop")
	l.Warnf(context.Background(), "noop")
	l.Errorf(context.Background(), "noop")
}

func TestSetLoggerNilIgnored(t *testing.T) {
	m := mailx.NewManager()
	m.SetLogger(nil) // 不应 panic
	m.SetLogger(recordingLogger{})
}