const express = require('express');
const app = express();

const PORT = 8000;
const HOST = '20.20.20.20';

app.get('/api/v1/candles', (req, res) => {
  res.json({
    candles: [
      {
        time: Math.floor(Date.now() / 1000) - 86400,
        open: 27000,
        high: 27500,
        low: 26900,
        close: 27300,
        volume: 1000
      },
      {
        time: Math.floor(Date.now() / 1000) - 75600,
        open: 27300,
        high: 27800,
        low: 27200,
        close: 27700,
        volume: 1200
      }
    ]
  });
});

app.get('/api/v1/stats', (req, res) => {
  res.json({
    change_24h: 2.5,
    high_24h: 28000,
    low_24h: 26500
  });
});

app.get('/api/v1/ta', (req, res) => {
  res.json({
    trend: { direction: 'up', signal: 'buy' },
    levels: {
      resistance: 28000,
      support: 26500,
      position_in_range: 60
    }
  });
});

app.listen(PORT, HOST, () => {
  console.log(`API server listening on http://${HOST}:${PORT}`);
});