package aliyun

import (
	"context"
	"testing"

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

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

func TestConfigDefaults(t *testing.T) {
	a := New(Config{})
	if a.cfg.Endpoint != "dm.aliyuncs.com" {
		t.Errorf("default endpoint = %q, want dm.aliyuncs.com", a.cfg.Endpoint)
	}
	// 显式指定 Endpoint 时不应被覆盖
	a = New(Config{Endpoint: "dm.eu-central-1.aliyuncs.com"})
	if a.cfg.Endpoint != "dm.eu-central-1.aliyuncs.com" {
		t.Errorf("explicit endpoint overwritten: %q", a.cfg.Endpoint)
	}
}

func TestName(t *testing.T) {
	if got := New(Config{}).Name(); got != "aliyun" {
		t.Errorf("Name() = %q, want aliyun", got)
	}
}

func TestMapSendStatus(t *testing.T) {
	cases := []struct {
		in   int32
		want mailx.EmailSendStatus
	}{
		{0, mailx.EmailSendStatusSuccess},
		{2, mailx.EmailSendStatusInvalidAddress},
		{3, mailx.EmailSendStatusSpam},
		{4, mailx.EmailSendStatusFailed},
		{9, mailx.EmailSendStatusUnknown},
	}
	for _, c := range cases {
		if got := mapSendStatus(c.in); got != c.want {
			t.Errorf("mapSendStatus(%d) = %v, want %v", c.in, got, c.want)
		}
	}
}

func TestSendWithoutConfig(t *testing.T) {
	// 缺少 AccountName 时应在发送前报错，而不是触发网络请求
	a := New(Config{AccessKeyID: "ak", AccessKeySecret: "sk"})
	err := a.Send(context.Background(), mailx.NewMessage().
		To("a@b.com").
		Subject("s").
		Build())
	if err == nil {
		t.Fatal("Send without AccountName should error")
	}
}