MS Teams: refactor provider + replyStyle + reliability

src/msteams/policy.ts

@@ -0,0 +1,58 @@
+import type {
+  MSTeamsChannelConfig,
+  MSTeamsConfig,
+  MSTeamsReplyStyle,
+  MSTeamsTeamConfig,
+} from "../config/types.js";
+
+export type MSTeamsResolvedRouteConfig = {
+  teamConfig?: MSTeamsTeamConfig;
+  channelConfig?: MSTeamsChannelConfig;
+};
+
+export function resolveMSTeamsRouteConfig(params: {
+  cfg?: MSTeamsConfig;
+  teamId?: string | null | undefined;
+  conversationId?: string | null | undefined;
+}): MSTeamsResolvedRouteConfig {
+  const teamId = params.teamId?.trim();
+  const conversationId = params.conversationId?.trim();
+  const teamConfig = teamId ? params.cfg?.teams?.[teamId] : undefined;
+  const channelConfig =
+    teamConfig && conversationId
+      ? teamConfig.channels?.[conversationId]
+      : undefined;
+  return { teamConfig, channelConfig };
+}
+
+export type MSTeamsReplyPolicy = {
+  requireMention: boolean;
+  replyStyle: MSTeamsReplyStyle;
+};
+
+export function resolveMSTeamsReplyPolicy(params: {
+  isDirectMessage: boolean;
+  globalConfig?: MSTeamsConfig;
+  teamConfig?: MSTeamsTeamConfig;
+  channelConfig?: MSTeamsChannelConfig;
+}): MSTeamsReplyPolicy {
+  if (params.isDirectMessage) {
+    return { requireMention: false, replyStyle: "thread" };
+  }
+
+  const requireMention =
+    params.channelConfig?.requireMention ??
+    params.teamConfig?.requireMention ??
+    params.globalConfig?.requireMention ??
+    true;
+
+  const explicitReplyStyle =
+    params.channelConfig?.replyStyle ??
+    params.teamConfig?.replyStyle ??
+    params.globalConfig?.replyStyle;
+
+  const replyStyle: MSTeamsReplyStyle =
+    explicitReplyStyle ?? (requireMention ? "thread" : "top-level");
+
+  return { requireMention, replyStyle };
+}