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

app.use(cors({ origin: 'http://localhost:4200' }));
app.use(express.json());

// ── GET /api/plants ────────────────────────────────────
app.get('/api/plants', (req, res) => {
  res.json({
    success: true,
    data: [
      {
        id: 'plant-001',
        name: 'Internorm Traun',
        location: 'Traun, Oberösterreich',
        installedCapacityKwp: 220,
        status: 'online',
        installedAt: '2021-06-15',
        inverterCount: 6,
        moduleCount: 500,
      },
      {
        id: 'plant-002',
        name: 'Internorm Lannach',
        location: 'Lannach, Steiermark',
        installedCapacityKwp: 250,
        status: 'online',
        installedAt: '2022-03-22',
        inverterCount: 3,
        moduleCount: 400,
      },
      {
        id: 'plant-003',
        name: 'Internorm Sarleinsbach',
        location: 'Sarleinsbach, Oberösterreich',
        installedCapacityKwp: 298,
        status: 'online',
        installedAt: '2023-09-01',
        inverterCount: 2,
        moduleCount: 250,
      },
    ],
  });
});

// ── GET /api/plants/:id ────────────────────────────────
app.get('/api/plants/:id', (req, res) => {
  // Einzelne Anlage zurückgeben
  res.json({ success: true, data: 
    [
      { id: req.params.id /* ... */ }
    ] 
  });
  
});

// ── GET /api/plants/:id/live ───────────────────────────
app.get('/api/plants/:id/live', (req, res) => {
  res.json({
    success: true,
    data: {
      plantId: req.params.id,
      timestamp: new Date().toISOString(),
      currentPowerKw: 312.4, // ← echte Daten von deiner API/DB hier
      todayEnergyKwh: 1248.6,
      totalEnergyKwh: 587340,
      co2SavedKg: 293670,
      gridFeedInKw: 198.1,
      selfConsumptionKw: 114.3,
      irradianceWm2: 748,
      temperatureCelsius: 32,
      inverters: [],
    },
  });
});

// ── GET /api/plants/:id/history ────────────────────────
app.get('/api/plants/:id/history', (req, res) => {
  const resolution = req.query.resolution ?? 'day'; // 'hour'|'day'|'month'|'year'
  res.json({
    success: true,
    data: [
      { timestamp: '2026-03-10T00:00:00Z', energyKwh: 250.5, peakPowerKw: 380.0 },
      // weitere Einträge...
    ],
  });
});

app.listen(3000, () => console.log('PV API Server läuft auf http://localhost:3000'));