chore: Projektbasis und PostgreSQL-Migrationen einrichten

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

scripts/setup.ts

@@ -0,0 +1,48 @@
+import "dotenv/config";
+import { readFile, readdir } from "node:fs/promises";
+import { randomBytes } from "node:crypto";
+import { db } from "../src/lib/db";
+import { hashPassword } from "../src/lib/password";
+
+async function setup() {
+  if (!process.env.DATABASE_URL) throw new Error("Zuerst npm run configure ausfuehren.");
+  await db.query(await readFile(new URL("./schema.sql", import.meta.url), "utf8"));
+  const client = await db.connect();
+  try {
+    await client.query("BEGIN");
+    await client.query("SELECT pg_advisory_xact_lock(724139002)");
+    await client.query("CREATE TABLE IF NOT EXISTS schema_migrations(name text PRIMARY KEY, applied_at timestamptz NOT NULL DEFAULT now())");
+    const directory = new URL("./migrations/", import.meta.url);
+    for (const name of (await readdir(directory)).filter((file) => file.endsWith(".sql")).sort()) {
+      const applied = await client.query("SELECT name FROM schema_migrations WHERE name = $1", [name]);
+      if (applied.rowCount) continue;
+      await client.query(await readFile(new URL(name, directory), "utf8"));
+      await client.query("INSERT INTO schema_migrations(name) VALUES ($1)", [name]);
+      console.log(`Migration angewendet: ${name}`);
+    }
+    await client.query("COMMIT");
+  } catch (error) {
+    await client.query("ROLLBACK");
+    throw error;
+  } finally {
+    client.release();
+  }
+  const email = (process.env.BOOTSTRAP_EMAIL ?? "admin@kibu.local").trim().toLowerCase();
+  const existing = await db.query("SELECT id FROM staff WHERE email = $1", [email]);
+  if (existing.rowCount) {
+    console.log("Schema bereit. Bestehender Zugang bleibt unveraendert.");
+    return;
+  }
+  const password = process.env.BOOTSTRAP_PASSWORD ?? randomBytes(18).toString("base64url");
+  if (password.length < 12) throw new Error("BOOTSTRAP_PASSWORD muss mindestens 12 Zeichen haben.");
+  await db.query(
+    "INSERT INTO staff(email, name, password_hash) VALUES ($1, $2, $3)",
+    [email, "Betreuung", await hashPassword(password)],
+  );
+  console.log(`Erster Zugang erstellt.\nE-Mail: ${email}\nPasswort: ${password}\nBitte sicher aufbewahren.`);
+}
+
+setup().catch((error: unknown) => {
+  console.error("Datenbank-Einrichtung fehlgeschlagen:", error);
+  process.exitCode = 1;
+}).finally(() => db.end());