package channelbridge

import (
	"context"
	"strings"
	"sync"
	"testing"

	"git.yeij.top/AskaEth/Cyrene_v2/internal/channel/adapter"
	"git.yeij.top/AskaEth/Cyrene_v2/internal/channel/session"
	"git.yeij.top/AskaEth/Cyrene_v2/internal/runtime/history"
	"git.yeij.top/AskaEth/Cyrene_v2/internal/runtime/loop"
	"git.yeij.top/AskaEth/Cyrene_v2/internal/runtime/model"
	"git.yeij.top/AskaEth/Cyrene_v2/internal/user"
	"git.yeij.top/AskaEth/Cyrene_v2/plugins/channels/kook"
	"git.yeij.top/AskaEth/Cyrene_v2/plugins/channels/webhook"
)

// fakeAdapter 是最小的 PlatformAdapter，记录出站发送，
// 使桥接器的回复路径无需网络 I/O 即可断言。
type fakeAdapter struct {
	name      string
	connected bool
	cfg       map[string]any
	sends     []adapter.UnifiedMessage
	handler   adapter.MessageHandler
	sendErr   error
}

func (f *fakeAdapter) Name() string { return f.name }
func (f *fakeAdapter) Config() map[string]any {
	if f.cfg != nil {
		return f.cfg
	}
	return map[string]any{"bot_token": "configured"}
}
func (f *fakeAdapter) Connect(context.Context) error { f.connected = true; return nil }
func (f *fakeAdapter) Disconnect(context.Context) error {
	f.connected = false
	return nil
}
func (f *fakeAdapter) IsConnected() bool                 { return f.connected }
func (f *fakeAdapter) HealthCheck(context.Context) error { return nil }
func (f *fakeAdapter) ReadMessages(ctx context.Context, _ func(adapter.UnifiedMessage)) {
	<-ctx.Done()
}
func (f *fakeAdapter) SendMessage(_ context.Context, resp adapter.UnifiedResponse) error {
	for _, m := range resp.Messages {
		f.sends = append(f.sends, m)
	}
	return f.sendErr
}
func (f *fakeAdapter) SendProactive(_ context.Context, msg adapter.UnifiedMessage) error {
	f.sends = append(f.sends, msg)
	return f.sendErr
}
func (f *fakeAdapter) SetMessageHandler(fn adapter.MessageHandler)                 { f.handler = fn }
func (f *fakeAdapter) Capabilities() adapter.Capabilities                          { return adapter.DefaultCapabilities() }
func (f *fakeAdapter) ListChannels(context.Context) ([]adapter.ChannelInfo, error) { return nil, nil }

// stubChatter 记录传给 agent 循环的会话 id 与消息。
type stubChatter struct {
	sessionID string
	messages  []model.Message
	res       *loop.Result
	err       error
}

func (s *stubChatter) Run(_ context.Context, sessionID string, msgs []model.Message) (*loop.Result, error) {
	s.sessionID = sessionID
	s.messages = msgs
	return s.res, s.err
}

// stubSessions 记录入站消息并返回固定会话。
type stubSessions struct {
	msg   adapter.UnifiedMessage
	owner *user.OwnerProfile
	sess  session.Session
	err   error
}

func (s *stubSessions) GetOrCreate(_ context.Context, msg adapter.UnifiedMessage, owner *user.OwnerProfile) (session.Session, error) {
	s.msg = msg
	s.owner = owner
	if s.err != nil {
		return session.Session{}, s.err
	}
	return s.sess, nil
}

// directMessage 是一条主人私聊消息：platform telegram / 发送者 100。它是否是主人由**白名单**
// 决定——夹具的主人档案（testOwnerProfile("telegram", "100")）把这个账号结构性地写进去
// （裁决 06.4.2：owner 车道只认白名单）。这里仍带上适配器上报的 role=owner 标记，用来断言
// 「白名单命中时适配器标记不影响判主」；反过来，未进白名单的账号即使带该标记也不是主人。
// newTestBridge 的单账号 stub session 据此报 Owner=true，与生产 SessionManager 的派生一致。
func directMessage() adapter.UnifiedMessage {
	return adapter.UnifiedMessage{
		Platform:    "telegram",
		ChannelID:   "100",
		ChannelType: adapter.ChannelDirect,
		SenderID:    "100",
		Sender:      adapter.Actor{Role: adapter.RoleOwner},
		Content:     "hello",
		ContentType: adapter.ContentText,
	}
}

func newTestBridge(t *testing.T) (*Bridge, *stubChatter, *stubSessions, *fakeAdapter) {
	t.Helper()
	chat := &stubChatter{res: &loop.Result{Text: "hi back"}}
	sess := &stubSessions{sess: session.Session{SessionID: "sess-1", Owner: true, MemWritable: true}}
	ad := &fakeAdapter{name: "telegram"}

	// 主人私聊要进主会话，夹具必须把发送者结构性地写进白名单（owner 车道只认白名单，
	// 裁决 06.4.2）；适配器上报的 RoleOwner 标记本身不再判主。
	b, err := New(Options{Loop: chat, Sessions: sess, Owner: testOwnerProfile("telegram", "100")})
	if err != nil {
		t.Fatalf("New: %v", err)
	}
	b.Add(ad)
	return b, chat, sess, ad
}

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

	b, chat, sess, ad := newTestBridge(t)
	ctx := context.Background()

	b.process(ctx, directMessage())

	if sess.msg.SenderID != "100" {
		t.Errorf("resolved sender = %q, want 100", sess.msg.SenderID)
	}
	// 主人私聊被路由进唯一的 Web 主会话（design/16 §4.4）。
	if chat.sessionID != history.MainSessionID {
		t.Errorf("loop session id = %q, want %q", chat.sessionID, history.MainSessionID)
	}
	// IM 平台上的主人私聊会镜像到主会话。来源由
	// 最前面的一行系统上下文承载，用户文本保持不加装饰
	// （design/16 §4.6.1）：元数据绝不进入用户的自由文本通道。
	var sys, userText string
	for _, m := range chat.messages {
		if m.Role == model.RoleSystem {
			sys = m.Content[0].Text
		} else if m.Role == model.RoleUser {
			userText = m.Content[0].Text
		}
	}
	if userText != "hello" {
		t.Errorf("loop user text = %q, want undecorated 'hello'", userText)
	}
	if !strings.Contains(sys, "来源：telegram · 私聊") {
		t.Errorf("loop origin system = %q, want telegram private origin", sys)
	}
	if len(ad.sends) != 1 {
		t.Fatalf("send count = %d, want 1", len(ad.sends))
	}
	reply := ad.sends[0]
	if reply.Content != "hi back" || reply.ContentType != adapter.ContentText {
		t.Errorf("reply = %+v, want text 'hi back'", reply)
	}
	if reply.ChannelID != "100" || reply.Platform != "telegram" {
		t.Errorf("reply target = %+v, want platform telegram channel 100", reply)
	}
}

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

	b, chat, _, ad := newTestBridge(t)
	msg := directMessage()
	msg.Content = "   "

	b.process(context.Background(), msg)

	if chat.sessionID != "" {
		t.Errorf("loop ran for empty content, session = %q", chat.sessionID)
	}
	if len(ad.sends) != 0 {
		t.Errorf("send count = %d, want 0 for empty content", len(ad.sends))
	}
}

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

	b, chat, _, ad := newTestBridge(t)
	// 被点名（提及）的非主人群消息按 design/12 §6 策略二
	// 会得到回复，因此它仍能覆盖群回复目标选择。
	msg := adapter.UnifiedMessage{
		Platform:    "telegram",
		ChannelID:   "-20",
		ChannelType: adapter.ChannelGroup,
		GroupID:     "-20",
		GroupName:   "Gang",
		SenderID:    "9",
		Sender:      adapter.Actor{Role: adapter.RoleMember},
		Mentions:    []adapter.Mention{{UserID: "9"}},
		Content:     "hello all",
		ContentType: adapter.ContentText,
	}
	chat.res = &loop.Result{Text: "group ack"}

	b.process(context.Background(), msg)

	if len(ad.sends) != 1 {
		t.Fatalf("send count = %d, want 1", len(ad.sends))
	}
	reply := ad.sends[0]
	if reply.ChannelType != adapter.ChannelGroup || reply.GroupID != "-20" {
		t.Errorf("group reply target = %+v, want group -20", reply)
	}
}

// captureHistory 记录每次 Append，用于断言桥接器把主人私聊
// 消息写入 Web 主会话（design/16 §4.4）。
type captureHistory struct {
	mu      sync.Mutex
	appends []history.Message
}

func (c *captureHistory) Append(_ context.Context, msg history.Message) error {
	_, err := c.AppendFull(context.Background(), msg)
	return err
}

func (c *captureHistory) AppendFull(_ context.Context, msg history.Message) (history.Message, error) {
	c.mu.Lock()
	defer c.mu.Unlock()
	c.appends = append(c.appends, msg)
	return msg, nil
}

func (c *captureHistory) List(context.Context, string, int64, int, string) ([]history.Message, error) {
	return nil, nil
}
func (c *captureHistory) ListAfter(context.Context, string, int64, int, string) ([]history.Message, error) {
	return nil, nil
}
func (c *captureHistory) Recent(context.Context, string, int) ([]history.Message, error) {
	return nil, nil
}
func (c *captureHistory) ListPlatformLog(context.Context, string, int64, int) ([]history.Message, error) {
	return nil, nil
}
func (c *captureHistory) ListAdapterLog(context.Context, string, int64, int) ([]history.Message, error) {
	return nil, nil
}
func (c *captureHistory) ListAllLog(context.Context, int64, int) ([]history.Message, error) {
	return nil, nil
}
func (c *captureHistory) DeleteSession(context.Context, string) error { return nil }
func (c *captureHistory) Search(context.Context, string, string, int64, int) ([]history.Message, error) {
	return nil, nil
}
func (c *captureHistory) UpdateMessage(_ context.Context, id, content string) (history.Message, error) {
	return history.Message{ID: id, Content: content}, nil
}
func (c *captureHistory) DeleteMessage(context.Context, string) error { return nil }
func (c *captureHistory) RenameSession(context.Context, string, string) error {
	return nil
}
func (c *captureHistory) SetPinned(context.Context, string, bool) error { return nil }
func (c *captureHistory) NewSubSession(context.Context, string) (string, error) {
	return "", nil
}
func (c *captureHistory) ListSessions(context.Context) ([]history.SessionMeta, error) {
	return nil, nil
}

func (c *captureHistory) records() []history.Message {
	c.mu.Lock()
	defer c.mu.Unlock()
	return append([]history.Message(nil), c.appends...)
}

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

	chat := &stubChatter{res: &loop.Result{Text: "微信回复"}}
	sess := &stubSessions{sess: session.Session{SessionID: "sess-1", Owner: true, MemWritable: true}}
	hist := &captureHistory{}
	var persisted []history.Message
	b, err := New(Options{
		Loop: chat, Sessions: sess, Owner: testOwnerProfile("telegram", "100"),
		History:     hist,
		OnPersisted: func(m history.Message) { persisted = append(persisted, m) },
	})
	if err != nil {
		t.Fatalf("New: %v", err)
	}
	// 注册假装接收该消息的账号适配器，使持久化的
	// 消息流带上适配器注册名（例如 "telegram"）。
	b.Add(&fakeAdapter{name: "telegram"})

	msg := directMessage() // Platform 字段 = "telegram"
	b.process(context.Background(), msg)

	recs := hist.records()
	if len(recs) != 2 {
		t.Fatalf("appends = %d, want 2 (user + assistant)", len(recs))
	}
	// 两者都落在 Web 主会话并带渠道平台 + 适配器，
	// 且 IM 消息总是以 chat 模式持久化（design/16 §5.1）。
	if recs[0].SessionID != history.MainSessionID || recs[0].Role != history.RoleUser ||
		recs[0].Content != "hello" || recs[0].Platform != "telegram" || recs[0].AdapterID != "telegram" ||
		recs[0].Mode != "chat" {
		t.Fatalf("user record = %+v, want web/telegram/hello/telegram/chat", recs[0])
	}
	// 助手正文的落库内容是**规范形态**（写入侧段落包裹规整，见
	// turnreply_paragraph_test.go）：这里只关心归属字段，因此只要求包裹正确。
	if recs[1].SessionID != history.MainSessionID || recs[1].Role != history.RoleAssistant ||
		recs[1].Content != "<p>微信回复</p>" || recs[1].Platform != "telegram" || recs[1].AdapterID != "telegram" ||
		recs[1].Mode != "chat" {
		t.Fatalf("assistant record = %+v, want web/telegram/<p>微信回复</p>/telegram/chat", recs[1])
	}
	// 每条已持久化的消息都交给了广播钩子。
	if len(persisted) != 2 {
		t.Fatalf("persisted notifications = %d, want 2", len(persisted))
	}
	// 且循环针对主会话运行，而不是隔离的 sess-1。
	if chat.sessionID != history.MainSessionID {
		t.Fatalf("loop session id = %q, want %q", chat.sessionID, history.MainSessionID)
	}
}

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

	chat := &stubChatter{res: &loop.Result{Text: "微信回复"}}
	sess := &stubSessions{sess: session.Session{SessionID: "sess-1", Owner: true, MemWritable: true}}
	hist := &captureHistory{}
	b, err := New(Options{
		Loop: chat, Sessions: sess, Owner: testOwnerProfile("telegram", "100"),
		History: hist,
	})
	if err != nil {
		t.Fatalf("New: %v", err)
	}

	// directMessage() → Platform telegram / ChannelID 100 / SenderID 100，因此
	// deviceID 构建为 <platform>:<channelID>:<senderID>（design/16 §4.5）。
	b.process(context.Background(), directMessage())

	recs := hist.records()
	if len(recs) != 2 {
		t.Fatalf("appends = %d, want 2 (user + assistant)", len(recs))
	}
	// 用户轮次与助手回复都带上推导出的 deviceID 与
	// 渠道平台，使 Web 客户端能标注来源端。
	for i, rec := range recs {
		if rec.DeviceID != "telegram:100:100" {
			t.Fatalf("record[%d] DeviceID = %q, want telegram:100:100", i, rec.DeviceID)
		}
		if rec.Platform != "telegram" {
			t.Fatalf("record[%d] Platform = %q, want telegram", i, rec.Platform)
		}
	}
	if recs[0].Role != history.RoleUser || recs[0].Content != "hello" {
		t.Fatalf("user record = %+v", recs[0])
	}
	if recs[1].Role != history.RoleAssistant || recs[1].Content != "<p>微信回复</p>" {
		t.Fatalf("assistant record = %+v", recs[1])
	}
}

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

	chat := &stubChatter{res: &loop.Result{Text: "群聊回复"}}
	sess := &stubSessions{sess: session.Session{SessionID: "sess-g", IsGroup: true, Owner: true, MemWritable: false}}
	hist := &captureHistory{}
	var persisted []history.Message
	b, err := New(Options{
		Loop: chat, Sessions: sess, Owner: &user.OwnerProfile{}, History: hist,
		OnPersisted: func(m history.Message) { persisted = append(persisted, m) },
	})
	if err != nil {
		t.Fatalf("New: %v", err)
	}

	// 被点名（提及）的群消息 → 回复（design/12 §6 策略二），仍
	// 隔离在群会话内。
	msg := adapter.UnifiedMessage{
		Platform: "telegram", ChannelID: "-20", ChannelType: adapter.ChannelGroup,
		GroupID: "-20", GroupName: "Gang", SenderID: "9",
		Sender: adapter.Actor{Role: adapter.RoleMember}, Mentions: []adapter.Mention{{UserID: "9"}},
		Content: "hello all", ContentType: adapter.ContentText,
	}
	b.process(context.Background(), msg)

	// design/16 §4.6：群聊/陌生人会话保持隔离——它不会
	// 持久化进 Web 主会话，循环也针对隔离的
	// 会话 id 运行。消息只落在隔离会话自有的平台日志
	// （适配器日志页），因此没有任何内容到达 Web 主会话。
	recs := hist.records()
	if len(recs) != 2 {
		t.Fatalf("group appends = %d, want 2 (isolated user + assistant)", len(recs))
	}
	for i, rec := range recs {
		if rec.SessionID != "sess-g" {
			t.Fatalf("record[%d] SessionID = %q, want isolated sess-g (not web)", i, rec.SessionID)
		}
		if rec.Platform != "telegram" {
			t.Fatalf("record[%d] Platform = %q, want telegram", i, rec.Platform)
		}
		// 隔离的 IM 消息仍为 chat 模式（design/16 §5.1）。
		if rec.Mode != "chat" {
			t.Fatalf("record[%d] Mode = %q, want chat", i, rec.Mode)
		}
	}
	if chat.sessionID != "sess-g" {
		t.Fatalf("group loop session id = %q, want sess-g", chat.sessionID)
	}
	// 每次隔离写入也会交给广播钩子，使 gateway 能为 IM
	// 适配器日志页发出 `channel_persisted`——但消息本身
	// 严格留在隔离会话中，绝不泄露到主/`web`
	// 会话（design/16 §4.6 §3）。
	if len(persisted) != 2 {
		t.Fatalf("isolated persisted notifications = %d, want 2", len(persisted))
	}
	for i, p := range persisted {
		if p.SessionID != "sess-g" {
			t.Fatalf("persisted[%d] SessionID = %q, want isolated sess-g", i, p.SessionID)
		}
		if p.SessionID == history.MainSessionID {
			t.Fatalf("persisted[%d] leaked to main web session", i)
		}
	}
}

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

	chat := &stubChatter{res: &loop.Result{Text: "不该回复"}}
	// 一个陌生人的群会话（若不拦截本应被处理）。
	sess := &stubSessions{sess: session.Session{SessionID: "sess-g", IsGroup: true, Owner: false, MemWritable: false}}
	ad := &fakeAdapter{name: "telegram", cfg: map[string]any{
		"bot_token":  "configured",
		"denyGroups": []string{"-100"},
	}}
	var rejected []string
	b, err := New(Options{
		Loop: chat, Sessions: sess, Owner: &user.OwnerProfile{}, History: &captureHistory{},
		OnRejected: func(_ adapter.UnifiedMessage, reason string) { rejected = append(rejected, reason) },
	})
	if err != nil {
		t.Fatalf("New: %v", err)
	}
	b.Add(ad)

	msg := adapter.UnifiedMessage{
		Platform: "telegram", ChannelID: "-100", ChannelType: adapter.ChannelGroup,
		GroupID: "-100", SenderID: "9", SenderName: "张三",
		Sender: adapter.Actor{Role: adapter.RoleMember}, Content: "spam",
		ContentType: adapter.ContentText,
	}
	b.process(context.Background(), msg)

	// 被拉黑的群消息绝不进入 agent 循环，也绝不发送
	// 回复；拒绝原因暴露给审计轨迹。
	if chat.sessionID != "" || len(chat.messages) != 0 {
		t.Fatalf("loop ran for blacklisted message: session=%q messages=%+v", chat.sessionID, chat.messages)
	}
	if len(ad.sends) != 0 {
		t.Fatalf("blacklisted message sent %d replies, want 0", len(ad.sends))
	}
	if len(rejected) != 1 || rejected[0] != "group_denied" {
		t.Fatalf("rejection reasons = %v, want [group_denied]", rejected)
	}
}

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

	chat := &stubChatter{res: &loop.Result{Text: "不该回复"}}
	sess := &stubSessions{sess: session.Session{SessionID: "sess-s", IsGroup: false, Owner: false, MemWritable: false}}
	ad := &fakeAdapter{name: "telegram", cfg: map[string]any{
		"bot_token":  "configured",
		"allowUsers": []string{"111"},
	}}
	b, err := New(Options{Loop: chat, Sessions: sess, Owner: &user.OwnerProfile{}, History: &captureHistory{}})
	if err != nil {
		t.Fatalf("New: %v", err)
	}
	b.Add(ad)

	msg := adapter.UnifiedMessage{
		Platform: "telegram", ChannelID: "200", ChannelType: adapter.ChannelDirect,
		SenderID: "200", Sender: adapter.Actor{Role: adapter.RoleMember}, Content: "hi",
		ContentType: adapter.ContentText,
	}
	b.process(context.Background(), msg)

	// 来自不在允许白名单中的用户的私聊消息被丢弃；主人
	// 绝不受影响（这里是陌生人）。
	if chat.sessionID != "" || len(chat.messages) != 0 {
		t.Fatalf("loop ran for non-whitelisted user: session=%q messages=%+v", chat.sessionID, chat.messages)
	}
	if len(ad.sends) != 0 {
		t.Fatalf("non-whitelisted user sent %d replies, want 0", len(ad.sends))
	}
}

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

	chat := &stubChatter{res: &loop.Result{Text: "收到"}}
	sess := &stubSessions{sess: session.Session{SessionID: "sess-g", IsGroup: true, Owner: false, MemWritable: false}}
	hist := &captureHistory{}
	b, err := New(Options{Loop: chat, Sessions: sess, Owner: &user.OwnerProfile{}, History: hist})
	if err != nil {
		t.Fatalf("New: %v", err)
	}

	// 被点名（提及）的群消息 → 回复（design/12 §6 策略二），因此
	// 会注入第三方边界与 [第三方 · 张三] 前缀。
	msg := adapter.UnifiedMessage{
		Platform: "telegram", ChannelID: "-20", ChannelType: adapter.ChannelGroup,
		GroupID: "-20", GroupName: "Gang", SenderID: "9", SenderName: "张三",
		Sender: adapter.Actor{Role: adapter.RoleMember}, Mentions: []adapter.Mention{{UserID: "9"}},
		Content: "hello all", ContentType: adapter.ContentText,
	}
	b.process(context.Background(), msg)

	// 循环看到最前面有一条第三方边界系统消息，加上已带
	// [第三方 · 张三] 前缀的用户消息（历史中保留原始
	// 内容，因此不丢失来源数据）。
	if len(chat.messages) != 2 {
		t.Fatalf("loop messages = %d, want 2 (boundary + user)", len(chat.messages))
	}
	if chat.messages[0].Role != model.RoleSystem || !strings.Contains(chat.messages[0].Content[0].Text, "非管理员账户") {
		t.Fatalf("expected third-party boundary system message, got %+v", chat.messages[0])
	}
	user := chat.messages[1]
	// 第三方说话者由结构化的 SenderName 字段承载，用户文本保持
	// 不加装饰（design/16 §4.6.1）；来源/边界放在系统消息里。
	if user.SenderName != "张三" || user.Content[0].Text != "hello all" {
		t.Fatalf("loop user message = %+v, want SenderName 张三 with undecorated text", user)
	}
	// 历史保留原始内容并携带发送者名，使适配器日志
	// 页能标注消息流而不改动来源消息。
	recs := hist.records()
	if len(recs) != 2 || recs[0].Content != "hello all" || recs[0].SenderName != "张三" {
		t.Fatalf("isolated records = %+v, want raw content with SenderName 张三", recs)
	}
}

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

	chat := &stubChatter{res: &loop.Result{Text: "收到"}}
	// 主人在群里发言：会话仍是受限的（记忆只读），
	// 但主人绝不会被标为第三方（design/16 §4.6 §1-2）。
	sess := &stubSessions{sess: session.Session{SessionID: "sess-g", IsGroup: true, Owner: true, MemWritable: false}}
	hist := &captureHistory{}
	b, err := New(Options{Loop: chat, Sessions: sess, Owner: testOwnerProfile("telegram", "owner_uid"), History: hist})
	if err != nil {
		t.Fatalf("New: %v", err)
	}

	msg := adapter.UnifiedMessage{
		Platform: "telegram", ChannelID: "-20", ChannelType: adapter.ChannelGroup,
		GroupID: "-20", SenderID: "owner_uid", SenderName: "主人",
		Sender: adapter.Actor{Role: adapter.RoleOwner}, Content: "我在群里",
		ContentType: adapter.ContentText,
	}
	b.process(context.Background(), msg)

	// 受限上下文 → 仍会注入第三方边界系统消息。
	if len(chat.messages) != 2 || chat.messages[0].Role != model.RoleSystem {
		t.Fatalf("loop messages = %d, want 2 (boundary + user)", len(chat.messages))
	}
	// 主人的消息不会被标为第三方，也不携带 SenderName；用户
	// 文本保持不加装饰，群的来源放在系统消息里
	// （design/16 §4.6.1）。
	user := chat.messages[1]
	if user.SenderName != "" || user.Content[0].Text != "我在群里" {
		t.Fatalf("owner group message = %+v, want undecorated text, no SenderName, no [第三方] prefix", user)
	}
	if !strings.Contains(chat.messages[0].Content[0].Text, "群#-20") {
		t.Fatalf("origin/boundary system = %q, want group#-20", chat.messages[0].Content[0].Text)
	}
	// 主人在群里的发言仍落在隔离会话（不是 Web 主会话）。
	recs := hist.records()
	if len(recs) != 2 || recs[0].SessionID != "sess-g" {
		t.Fatalf("owner group records = %+v, want isolated sess-g, not web", recs)
	}
}

func TestNoHistoryStoreKeepsBridgeUnchanged(t *testing.T) {
	t.Parallel()
	// 未装配历史存储的桥接器不持久化任何内容，但仍运行/回复。
	b, chat, _, ad := newTestBridge(t)
	b.process(context.Background(), directMessage())
	if len(ad.sends) != 1 {
		t.Fatalf("send count = %d, want 1", len(ad.sends))
	}
	if chat.sessionID != history.MainSessionID {
		t.Fatalf("loop session id = %q, want %q", chat.sessionID, history.MainSessionID)
	}
}

// newWebhookBridge 构建一个裸桥接器（无适配器），接上其他测试
// 使用的桩，便于 WebhookHandlers 测试自行添加适配器。
func newWebhookBridge(t *testing.T) *Bridge {
	t.Helper()
	chat := &stubChatter{res: &loop.Result{Text: "hi"}}
	sess := &stubSessions{sess: session.Session{SessionID: "sess-1", Owner: true, MemWritable: true}}
	b, err := New(Options{Loop: chat, Sessions: sess, Owner: &user.OwnerProfile{}})
	if err != nil {
		t.Fatalf("New: %v", err)
	}
	return b
}

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

	b := newWebhookBridge(t)
	b.Add(kook.New(kook.Config{BotToken: "t", ReceiveMode: "webhook", WebhookPath: "/webhook/kook"}))

	handlers := b.WebhookHandlers()
	h, ok := handlers["/webhook/kook"]
	if !ok || h == nil {
		t.Fatalf("kook webhook handler not mounted; got %v", handlers)
	}
}

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

	b := newWebhookBridge(t)
	b.Add(kook.New(kook.Config{BotToken: "t", ReceiveMode: "ws"}))

	if got := b.WebhookHandlers(); got != nil {
		t.Fatalf("ws-mode kook exposed a webhook handler, got %v", got)
	}
}

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

	b := newWebhookBridge(t)
	b.Add(webhook.New(webhook.WithConfig(webhook.Config{EndpointPath: "/cb"})))

	handlers := b.WebhookHandlers()
	h, ok := handlers["/cb"]
	if !ok || h == nil {
		t.Fatalf("webhook channel handler not mounted; got %v", handlers)
	}
}