// writebot - Telegram bot + HTTP API + Web Admin
// Zero npm dependencies. Node 18+ built-in everything.

const config = require("./src/config");
const { getLanIP } = require("./src/helpers");
const { startWriteServer, stopWriteServer } = require("./src/write-server");
const { createControlServer } = require("./src/admin-panel");
const { tg, allowed } = require("./src/tg-core");
const { tgPoll } = require("./src/tg-poll");

async function main() {
  const ip = getLanIP();
  console.log("");
  console.log("  \\u250C\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2510");
  console.log("  \\u2502  WriteBot \\u2502");
  console.log("  \\u251C\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2524");
  console.log("  \\u2502  Admin: http://127.0.0.1:" + config.CONTROL_PORT + "/   \\u2502");
  console.log("  \\u2502  Write: http://" + ip + ":" + config.WRITE_PORT + "     \\u2502");
  console.log("  \\u2514\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2500\\u2518");
  console.log("");

  // Start HTTP control server
  const controlServer = createControlServer();

  // Connect Telegram
  if (config.TG_TOKEN) {
    try {
      const me = await tg("getMe", {});
      if (me.ok) {
        console.log("[bot] Telegram: @" + me.result.username);

        try {
          await tg("setMyCommands", {
            commands: [
              { command: "start", description: "\\u542F\\u52A8\\u5199\\u4F5C\\u540E\\u53F0" },
              { command: "new", description: "\\u5F00\\u59CB\\u5199\\u4E00\\u7BC7" },
              { command: "edit", description: "\\u7F16\\u8F91\\u5DF2\\u6709\\u6587\\u7AE0" },
              { command: "list", description: "\\u6587\\u7AE0\\u5217\\u8868" },
              { command: "stats", description: "\\u7F51\\u7AD9\\u6570\\u636E\\u7EDF\\u8BA1" },
              { command: "publish", description: "\\u53D1\\u5E03\\u5230\\u7F51\\u7AD9" },
              { command: "draft", description: "\\u4FDD\\u5B58\\u4E3A\\u8349\\u7A3F" },
              { command: "preview", description: "\\u9884\\u89C8\\u5168\\u6587" },
              { command: "links", description: "\\u53CB\\u94FE\\u5217\\u8868" },
              { command: "feeds", description: "\\u8BA2\\u9605\\u6E90\\u5217\\u8868" },
              { command: "help", description: "\\u5168\\u90E8\\u547D\\u4EE4" },
            ],
          });
          console.log("[bot] commands registered");
        } catch (e) {
          console.error("[bot] failed to register commands:", e.message);
        }

        tgPoll();
      } else {
        console.log("[bot] TG token invalid - HTTP-only mode");
      }
    } catch {
      console.log("[bot] TG connection failed - HTTP-only mode");
    }
  } else {
    console.log("[bot] no TG_TOKEN - HTTP-only mode");
  }

  // Graceful shutdown
  for (const sig of ["SIGINT", "SIGTERM"]) {
    process.on(sig, () => {
      console.log("\\n[bot] " + sig + ", stopping...");
      stopWriteServer();
      controlServer.close();
      process.exit(0);
    });
  }
}

main();