import { createApp } from "./app.js";
import { env } from "./config/env.js";
import { pruneOldAuthSessions } from "./lib/auth-sessions.js";
import { bootstrapAppData } from "./lib/bootstrap.js";
import { prisma } from "./lib/prisma.js";
import { setLatestStartupReport } from "./lib/startup-state.js";
import { assertStartupReadiness } from "./lib/startup-validation.js";
import { recordSupportLog } from "./lib/support-log.js";

async function start() {
  await bootstrapAppData();
  const prunedSessionCount = await pruneOldAuthSessions();
  const startupReport = await assertStartupReadiness();
  setLatestStartupReport(startupReport);

  recordSupportLog({
    level: startupReport.status === "PASS" ? "INFO" : startupReport.status === "WARN" ? "WARN" : "ERROR",
    source: "startup-validation",
    message: `Startup validation completed with status ${startupReport.status}.`,
    context: {
      generatedAt: startupReport.generatedAt,
      durationMs: startupReport.durationMs,
      passCount: startupReport.passCount,
      warnCount: startupReport.warnCount,
      failCount: startupReport.failCount,
      prunedSessionCount,
    },
  });

  for (const check of startupReport.checks.filter((entry) => entry.status !== "PASS")) {
    console.warn(`[startup:${check.status.toLowerCase()}] ${check.label}: ${check.message}`);
    recordSupportLog({
      level: check.status === "WARN" ? "WARN" : "ERROR",
      source: "startup-check",
      message: `${check.label}: ${check.message}`,
      context: {
        checkId: check.id,
        status: check.status,
      },
    });
  }

  const app = createApp();
  const server = app.listen(env.PORT, () => {
    console.log(`MRP server listening on port ${env.PORT}`);
  });

  const shutdown = async () => {
    server.close();
    await prisma.$disconnect();
  };

  process.on("SIGINT", shutdown);
  process.on("SIGTERM", shutdown);
}

start().catch(async (error) => {
  console.error(error);
  recordSupportLog({
    level: "ERROR",
    source: "server-startup",
    message: error instanceof Error ? error.message : "Server startup failed.",
    context: {
      stack: error instanceof Error ? error.stack ?? null : null,
    },
  });
  await prisma.$disconnect();
  process.exit(1);
});