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TypeScript

import { NextRequest, NextResponse } from "next/server";
import { telegramApproverDb, telegramSettingsDb } from "@/lib/db";
import { isTelegramConfigured, registerTelegramWebhook } from "@/lib/telegram";
import { TelegramApprover } from "@/lib/types";
export const dynamic = "force-dynamic";
export async function GET() {
const settings = telegramSettingsDb.get();
return NextResponse.json({
approvers: telegramApproverDb.getAll(),
baseUrl: settings.baseUrl,
greetingText: settings.greetingText,
cardNumber: settings.cardNumber,
cardHolderName: settings.cardHolderName,
botConfigured: isTelegramConfigured(),
webhookSecretConfigured: Boolean(process.env.TELEGRAM_WEBHOOK_SECRET),
});
}
export async function PUT(request: NextRequest) {
try {
const body = (await request.json()) as {
approvers?: TelegramApprover[];
baseUrl?: string;
botToken?: string;
greetingText?: string;
cardNumber?: string;
cardHolderName?: string;
};
if (!Array.isArray(body.approvers)) {
return NextResponse.json({ error: "approvers must be an array" }, { status: 400 });
}
const seen = new Set<string>();
const approvers: TelegramApprover[] = [];
for (const item of body.approvers) {
const userId = String(item.userId || "").trim();
if (!/^\d+$/.test(userId)) {
return NextResponse.json({ error: `Invalid Telegram user ID: ${userId}` }, { status: 400 });
}
if (!seen.has(userId)) {
seen.add(userId);
approvers.push({ userId, label: String(item.label || "").trim().slice(0, 100) });
}
}
const baseUrl = String(body.baseUrl || "https://api.telegram.org").trim().replace(/\/$/, "");
let parsedUrl: URL;
try {
parsedUrl = new URL(baseUrl);
} catch {
return NextResponse.json({ error: "Invalid Telegram API base URL" }, { status: 400 });
}
if (!["http:", "https:"].includes(parsedUrl.protocol) || parsedUrl.username || parsedUrl.password) {
return NextResponse.json({ error: "Telegram API base URL must use HTTP or HTTPS without credentials" }, { status: 400 });
}
const botToken = body.botToken?.trim();
const greetingText = String(body.greetingText || "").trim().slice(0, 1000);
const cardNumber = String(body.cardNumber || "").trim().slice(0, 100);
const cardHolderName = String(body.cardHolderName || "").trim().slice(0, 200);
if (!greetingText) {
return NextResponse.json({ error: "Greeting message is required" }, { status: 400 });
}
telegramApproverDb.replaceAll(approvers);
telegramSettingsDb.update({
baseUrl,
greetingText,
cardNumber,
cardHolderName,
...(botToken ? { botToken } : {}),
});
return NextResponse.json({
approvers: telegramApproverDb.getAll(),
baseUrl: telegramSettingsDb.get().baseUrl,
greetingText,
cardNumber,
cardHolderName,
botConfigured: isTelegramConfigured(),
webhookSecretConfigured: Boolean(process.env.TELEGRAM_WEBHOOK_SECRET),
});
} catch (error) {
console.error("Telegram settings update failed:", error);
return NextResponse.json({ error: "Failed to update Telegram settings" }, { status: 500 });
}
}
export async function POST() {
try {
await registerTelegramWebhook();
return NextResponse.json({ message: "Telegram webhook registered successfully" });
} catch (error) {
const message = error instanceof Error ? error.message : "Failed to register Telegram webhook";
console.error("Telegram webhook registration failed:", error);
return NextResponse.json({ error: message }, { status: 502 });
}
}