package mailx_test

import (
	"context"
	"sync"

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

// mockSender 记录收到的消息与注入的 logger，用于测试 Manager，不产生真实网络请求
type mockSender struct {
	name string
	err  error // 非 nil 时 Send 返回该错误

	mu     sync.Mutex
	msgs   []*mailx.Message
	logger mailx.Logger
}

func newMockSender(name string) *mockSender {
	return &mockSender{name: name}
}

func (m *mockSender) Name() string { return m.name }

func (m *mockSender) Send(ctx context.Context, msg *mailx.Message) error {
	m.mu.Lock()
	defer m.mu.Unlock()
	m.logger = mailx.LoggerFromContext(ctx)
	if m.err != nil {
		return m.err
	}
	m.msgs = append(m.msgs, msg)
	return nil
}

func (m *mockSender) count() int {
	m.mu.Lock()
	defer m.mu.Unlock()
	return len(m.msgs)
}

func (m *mockSender) lastLogger() mailx.Logger {
	m.mu.Lock()
	defer m.mu.Unlock()
	return m.logger
}

var _ mailx.Sender = (*mockSender)(nil)