export const name = "SchoolMessenger";
export const url = "https://status.powerschool.com/";

// SchoolMessenger was acquired by PowerSchool and lives on their status page
// as a group of components. We filter specifically for those rather than
// duplicating the overall PowerSchool check.
const COMPONENTS_URL =
  "https://status.powerschool.com/api/v2/components.json";

// Atlassian component status → dashboard status
const STATUS_MAP = {
  operational: "operational",
  under_maintenance: "degraded",
  degraded_performance: "degraded",
  partial_outage: "degraded",
  major_outage: "outage",
};

const SEVERITY_ORDER = ["operational", "degraded", "outage"];

function worstStatus(a, b) {
  return SEVERITY_ORDER.indexOf(a) >= SEVERITY_ORDER.indexOf(b) ? a : b;
}

export async function checkStatus() {
  const res = await fetch(COMPONENTS_URL);

  if (!res.ok) {
    throw new Error(`SchoolMessenger status request failed (${res.status})`);
  }

  const data = await res.json();
  const components = (data.components ?? []).filter((c) =>
    c.name.startsWith("SchoolMessenger")
  );

  if (components.length === 0) {
    throw new Error("No SchoolMessenger components found on status page");
  }

  let overall = "operational";
  const issues = [];

  for (const c of components) {
    const mapped = STATUS_MAP[c.status] ?? "unknown";
    overall = worstStatus(overall, mapped);

    if (mapped !== "operational") {
      issues.push(`${c.name}: ${c.status.replace(/_/g, " ")}`);
    }
  }

  const message =
    issues.length > 0 ? issues.join(" | ") : "All services operational.";

  return {
    name,
    status: overall,
    message,
    lastUpdated: new Date().toISOString(),
  };
}