package gateway

import (
	"encoding/json"
	"net/http"
	"strings"
	"testing"

	"git.yeij.top/AskaEth/Cyrene_v2/internal/auth"
	capreg "git.yeij.top/AskaEth/Cyrene_v2/internal/capability/registry"
	"git.yeij.top/AskaEth/Cyrene_v2/internal/config"
)

// 本文件锁定管理列表的**按账号**连接状态：多账号平台上，每行连接/断开的门控
// 必须看该账号自己的状态；没有活适配器的账号状态**未知**（字段缺省），
// 而不是被读成「未连接」——把「读不到」画成「没连上」会让主人盲点「断开」。

// TestAdminListChannelsReportsPerAccountConnection 断言每个账号各报自己的状态，
// 且没有活适配器的账号**不带** connected 字段（未知 ≠ 未连接）。
func TestAdminListChannelsReportsPerAccountConnection(t *testing.T) {
	t.Parallel()
	caps := capreg.New()
	live := &spyChannel{name: "kook:3fc8"}
	live.connected.Store(true)
	down := &spyChannel{name: "kook:conf1"}
	for _, ch := range []*spyChannel{live, down} {
		if err := caps.RegisterChannel(ch); err != nil {
			t.Fatalf("register %s: %v", ch.Name(), err)
		}
	}
	store := &stubChannelConfigStore{
		path: t.TempDir() + "/channels.json",
		accounts: map[string][]config.ChannelAccount{
			"kook": {
				{ID: "3fc8", Config: map[string]any{"bot_token": "tk-a"}},
				{ID: "conf1", Config: map[string]any{"bot_token": "tk-b"}},
				{ID: "conf2", Config: map[string]any{"bot_token": "tk-c"}}, // 无活适配器 ⇒ 状态未知
			},
		},
	}
	_, ts, jwt := buildEnv(t, cfgDefault(), Deps{Registry: caps, Channels: store})
	tok := signAny(t, jwt, "acct", auth.RoleOwner)

	resp, body := doReq(t, http.MethodGet, ts.URL+"/api/v1/admin/channels", nil, tok)
	if resp.StatusCode != http.StatusOK {
		t.Fatalf("list status = %d, want 200 (body=%s)", resp.StatusCode, body)
	}
	var items []ChannelSummary
	if err := json.Unmarshal(decodeBody(t, body)["data"], &items); err != nil {
		t.Fatalf("decode list: %v (body=%s)", err, body)
	}
	if len(items) != 1 || items[0].Name != "kook" {
		t.Fatalf("items = %+v, want a single kook row", items)
	}
	if len(items[0].Accounts) != 3 {
		t.Fatalf("accounts = %+v, want all three configured accounts listed", items[0].Accounts)
	}
	state := accountConnections(items[0].Accounts)
	if got := state["3fc8"]; got == nil || !*got {
		t.Fatalf("account 3fc8 connected = %v, want true", got)
	}
	if got := state["conf1"]; got == nil || *got {
		t.Fatalf("account conf1 connected = %v, want false", got)
	}
	// nil = 字段缺省：没有活适配器 ⇒ 状态未知，绝不能画成「未连接」。
	if got := state["conf2"]; got != nil {
		t.Fatalf("account conf2 connected = %v, want the field omitted（未知 ≠ 未连接）", *got)
	}
	// 凭据绝不进列表响应。
	if bytes := string(body); containsToken(bytes) {
		t.Fatalf("list response leaked a token: %s", bytes)
	}
}

// accountConnections 把账号列表映射成 id → 连接状态（字段缺省时值为 nil）。
func accountConnections(accts []AdminChannelAccount) map[string]*bool {
	out := make(map[string]*bool, len(accts))
	for _, a := range accts {
		out[a.ID] = a.Connected
	}
	return out
}

// containsToken 报告响应体里是否出现了测试用的原始 token 片段。
func containsToken(body string) bool {
	for _, tk := range []string{"tk-a", "tk-b", "tk-c"} {
		if strings.Contains(body, tk) {
			return true
		}
	}
	return false
}