update regex matching - now bot responds only for base commands (like /ping) and with mention (like /ping@panfilovi4_bot) and ignores command if it mentions other bot;

Add ability to see, change and list gemini, mistral and ollama models

src/base/chat-command.ts

@@ -1,15 +1,58 @@
 import {Message} from "typescript-telegram-bot-api";
 import {Requirements} from "./requirements";
 
+export type ArgsMode = "none" | "optional" | "required";
+
 export abstract class ChatCommand {
 
-    abstract regexp: RegExp;
+    regexp?: RegExp | null;
+    command?: string | string[];
+    argsMode: ArgsMode = "none";
+
     requirements?: Requirements = null;
     title?: string;
     description?: string;
 
+    get finalRegexp(): RegExp {
+        if (!this.regexp) {
+            const inferred = name(this.constructor.name);
+            const names = this.command ?? inferred;
+            this.regexp = createCommandRegExp(names, this.argsMode);
+        }
+        return this.regexp;
+    }
+
     abstract execute(
         msg: Message,
         match?: RegExpExecArray
     ): Promise<void>;
-}
+}
+
+export function name(s: string) {
+    return s
+        .replace(/Command$/, "")
+        .replace(/([a-z0-9])([A-Z])/g, "$1$2")
+        .toLowerCase();
+}
+
+function escapeRe(s: string) {
+    return s.replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
+}
+
+export function createCommandRegExp(
+    names: string | string[],
+    argsMode: ArgsMode = "optional",
+) {
+    const list = Array.isArray(names) ? names : [names];
+    const group = list.map(escapeRe).join("|");
+
+    const base = `^\\/(${group})(?:@([\\w_]+))?`; // (1)=cmd, (2)=bot
+    const tail =
+        argsMode === "none"
+            ? "\\s*$"
+            : argsMode === "required"
+                ? "\\s+([\\s\\S]+)\\s*$"          // (3)=args обязателен
+                : "(?:\\s+([\\s\\S]+))?\\s*$";   // (3)=args опционален
+
+    return new RegExp(base + tail, "i");
+}