Dispatch outbound calls

curl -X POST https://api.agents.slng.ai/v1/agents/$AGENT_ID/calls \
  -H "Authorization: Bearer $SLNG_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "phone_number": "+14155551234",
    "arguments": {
      "customer_name": "Bruce",
      "company_name": "Wayne Enterprises"
    }
  }'

const BASE_URL = "https://api.agents.slng.ai";

const wait = (milliseconds) =>
  new Promise((resolve) => setTimeout(resolve, milliseconds));

async function dispatchCall(agentId, phoneNumber, args = {}, maxRetries = 3) {
  for (let attempt = 0; ; attempt += 1) {
    const response = await fetch(`${BASE_URL}/v1/agents/${agentId}/calls`, {
      method: "POST",
      headers: {
        Authorization: `Bearer ${process.env.SLNG_API_KEY}`,
        "Content-Type": "application/json",
      },
      body: JSON.stringify({ phone_number: phoneNumber, arguments: args }),
    });

    if (response.ok) return response.json();

    if (response.status === 429 && attempt < maxRetries) {
      const retryAfter = Number(response.headers.get("retry-after"));
      await wait((Number.isFinite(retryAfter) ? retryAfter : 1) * 1000);
      continue;
    }

    const error = await response.json().catch(() => ({}));
    const detail =
      typeof error.detail === "string"
        ? error.detail
        : JSON.stringify(error.detail ?? error);
    throw new Error(detail || `Dispatch failed: ${response.status}`);
  }
}

async function dispatchList(agentId, contacts, intervalMs = 1000) {
  const results = [];

  for (const [index, contact] of contacts.entries()) {
    try {
      const value = await dispatchCall(agentId, contact.phone, contact.args);
      results.push({ phone: contact.phone, status: "fulfilled", value });
    } catch (error) {
      const reason = error instanceof Error ? error.message : String(error);
      results.push({ phone: contact.phone, status: "rejected", reason });
    }

    if (index < contacts.length - 1) await wait(intervalMs);
  }

  return results;
}

const contacts = [
  { phone: "+14155551234", args: { customer_name: "Bruce" } },
  { phone: "+14155559876", args: { customer_name: "Lucius" } },
];

if (!process.env.SLNG_API_KEY || !process.env.AGENT_ID) {
  throw new Error("Set SLNG_API_KEY and AGENT_ID before running this script.");
}

const intervalMs = Number(process.env.DISPATCH_INTERVAL_MS ?? 1000);
if (!Number.isFinite(intervalMs) || intervalMs < 0) {
  throw new Error("DISPATCH_INTERVAL_MS must be a non-negative number.");
}

const results = await dispatchList(process.env.AGENT_ID, contacts, intervalMs);
console.dir(results, { depth: null });