package gateway

import (
	"context"
	"testing"

	"git.yeij.top/AskaEth/Cyrene_v2/internal/auth"
	"git.yeij.top/AskaEth/Cyrene_v2/internal/channel/adapter"
)

// TestHub_SendProactive_OwnerAndAdmin verifies a proactive push reaches exactly
// the owner/admin connections and returns the delivered count; a viewer or
// unauthenticated (nil-claims) connection never receives it.
func TestHub_SendProactive_OwnerAndAdmin(t *testing.T) {
	t.Parallel()
	hb := newTestHub(nil, nil)
	owner := newFakeConn(hb, 8)
	owner.claims = &auth.Claims{Role: auth.RoleOwner}
	admin := newFakeConn(hb, 8)
	admin.claims = &auth.Claims{Role: auth.RoleAdmin}
	viewer := newFakeConn(hb, 8)
	viewer.claims = &auth.Claims{Role: auth.RoleViewer}
	bare := newFakeConn(hb, 8) // claims nil: unauthenticated
	for _, c := range []*wsConn{owner, admin, viewer, bare} {
		hb.register(c)
	}

	msg := adapter.UnifiedMessage{
		Platform:    "cyrene-backthink",
		ChannelType: adapter.ChannelDirect,
		Content:     "记得喝水哦",
		ContentType: adapter.ContentText,
		Sender:      adapter.Actor{Role: adapter.RoleSystem, DisplayName: "Cyrene"},
		ChannelID:   "kook:123",
		SenderID:    "uid-999",
		MessageID:   "m-42",
	}
	n, err := hb.SendProactive(context.Background(), msg)
	if err != nil {
		t.Fatalf("SendProactive err = %v", err)
	}
	if n != 2 {
		t.Fatalf("count = %d, want 2 (owner+admin; viewer and bare excluded)", n)
	}

	for _, c := range []*wsConn{owner, admin} {
		ev := readFakeFrame(t, c)
		if ev.Type != "proactive_message" {
			t.Fatalf("frame type = %q, want proactive_message (frame=%+v)", ev.Type, ev)
		}
		data, ok := ev.Data.(map[string]any)
		if !ok {
			t.Fatalf("frame data type = %T, want map[string]any", ev.Data)
		}
		if data["content"] != "记得喝水哦" {
			t.Fatalf("frame content = %q, want the proactive text", data["content"])
		}
		if data["sender"] != "Cyrene" {
			t.Fatalf("frame sender = %q, want Cyrene", data["sender"])
		}
		if data["platform"] != "cyrene-backthink" {
			t.Fatalf("frame platform = %q, want cyrene-backthink", data["platform"])
		}
	}
	for _, c := range []*wsConn{viewer, bare} {
		if err := connHasNoFrame(c); err != nil {
			t.Fatalf("unexpected frame for a non-owner/admin conn: %v", err)
		}
	}
}

// TestHub_SendProactive_NoOnlineOwner verifies a zero count (no error) when no
// owner/admin connection is live, so the caller falls back to the IM bridge.
func TestHub_SendProactive_NoOnlineOwner(t *testing.T) {
	t.Parallel()
	hb := newTestHub(nil, nil)
	viewer := newFakeConn(hb, 8)
	viewer.claims = &auth.Claims{Role: auth.RoleViewer}
	hb.register(viewer)

	n, err := hb.SendProactive(context.Background(), adapter.UnifiedMessage{Content: "hi"})
	if err != nil {
		t.Fatalf("SendProactive err = %v", err)
	}
	if n != 0 {
		t.Fatalf("count = %d, want 0", n)
	}
}

// TestHub_SendProactive_CancelledContext verifies a cancelled context denies the
// push (fail closed) with a wrapped error.
func TestHub_SendProactive_CancelledContext(t *testing.T) {
	t.Parallel()
	hb := newTestHub(nil, nil)
	ctx, cancel := context.WithCancel(context.Background())
	cancel()

	if _, err := hb.SendProactive(ctx, adapter.UnifiedMessage{Content: "hi"}); err == nil {
		t.Fatalf("expected a context error, got nil")
	}
}

// TestServer_SendProactive_DelegatesToHub verifies Server.SendProactive mirrors the
// hub so the composition root can hand the gateway itself to the sink setter.
func TestServer_SendProactive_DelegatesToHub(t *testing.T) {
	t.Parallel()
	env := newEnv(t, nil, false)
	c := newFakeConn(env.srv.hub, 8)
	c.claims = &auth.Claims{Role: auth.RoleOwner}
	env.srv.hub.register(c)

	n, err := env.srv.SendProactive(context.Background(), adapter.UnifiedMessage{Content: "hi"})
	if err != nil {
		t.Fatalf("SendProactive err = %v", err)
	}
	if n != 1 {
		t.Fatalf("count = %d, want 1", n)
	}
	ev := readFakeFrame(t, c)
	if ev.Type != "proactive_message" {
		t.Fatalf("frame type = %q, want proactive_message", ev.Type)
	}
}