import express from "express";
import http from "http";
import path from "path";
import { fileURLToPath } from "url";
import { Server } from "socket.io";
import { getPublicRuntimeConfig, getRuntimeConfig } from "./config.js";
import { selectProjectFolder } from "./projectPicker.js";
import { SessionManager } from "./sessionManager.js";
import { registerSocketHandlers } from "./socketHandlers.js";

const config = getRuntimeConfig();
const app = express();
const server = http.createServer(app);
const io = new Server(server, {
  cors: {
    origin: "*"
  }
});

const sessionManager = new SessionManager({ io, config });
const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);
const webDistPath = path.resolve(__dirname, "../web/dist");

app.use(express.json());

app.get("/health", (req, res) => {
  res.json({
    ok: true,
    runtime: getPublicRuntimeConfig(config),
    session: sessionManager.getState()
  });
});

app.get("/api/session/state", (req, res) => {
  res.json({
    state: sessionManager.getState(),
    logs: sessionManager.getLogSnapshot(),
    chat: sessionManager.getChatSnapshot()
  });
});

app.post("/api/project/select", async (req, res) => {
  try {
    const selectedPath = req.body?.projectPath ? String(req.body.projectPath) : await selectProjectFolder();
    await sessionManager.setProjectPath(selectedPath);
    res.json({
      ok: true,
      projectPath: sessionManager.getState().currentProjectPath
    });
  } catch (error) {
    res.status(500).json({
      ok: false,
      error: error.message
    });
  }
});

if (config.nodeEnv === "production") {
  app.use(express.static(webDistPath));
  app.get("*", (req, res) => {
    res.sendFile(path.join(webDistPath, "index.html"));
  });
}

registerSocketHandlers(io, sessionManager);

server.listen(config.port, () => {
  console.log(`Retro console server listening on http://localhost:${config.port}`);
});