Repo init

src/lib/db.ts

@@ -0,0 +1,58 @@
+import fs from "fs"
+import path from "path"
+import type { Stream } from "@/types/stream"
+
+const DATA_DIR = process.env.DATA_DIR ?? "/app/data"
+const STREAMS_FILE = path.join(DATA_DIR, "streams.json")
+
+function ensureFile() {
+  if (!fs.existsSync(DATA_DIR)) fs.mkdirSync(DATA_DIR, { recursive: true })
+  if (!fs.existsSync(STREAMS_FILE)) fs.writeFileSync(STREAMS_FILE, "[]", "utf-8")
+}
+
+export function readStreams(): Stream[] {
+  ensureFile()
+  return JSON.parse(fs.readFileSync(STREAMS_FILE, "utf-8")) as Stream[]
+}
+
+export function writeStreams(streams: Stream[]): void {
+  ensureFile()
+  fs.writeFileSync(STREAMS_FILE, JSON.stringify(streams, null, 2), "utf-8")
+}
+
+export function getStream(id: string): Stream | undefined {
+  return readStreams().find((s) => s.id === id)
+}
+
+export function saveStream(stream: Stream): void {
+  const streams = readStreams()
+  const idx = streams.findIndex((s) => s.id === stream.id)
+  if (idx >= 0) streams[idx] = stream
+  else streams.push(stream)
+  writeStreams(streams)
+}
+
+export function deleteStream(id: string): void {
+  writeStreams(readStreams().filter((s) => s.id !== id))
+}
+
+// Aloca display, portas VNC, noVNC e debug sem conflito com streams existentes
+export function allocatePorts(): {
+  display: string
+  vncPort: number
+  novncPort: number
+  debugPort: number
+} {
+  const streams = readStreams()
+  const usedDisplays = new Set(streams.map((s) => s.display))
+
+  let n = 1
+  while (usedDisplays.has(`:${n}`)) n++
+
+  return {
+    display: `:${n}`,
+    vncPort: 5900 + n,
+    novncPort: 6080 + n,
+    debugPort: 9221 + n,
+  }
+}