kWh15V2/index.html at main · Kaaremi/kWh15V2 · GitHub

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<!DOCTYPE html>
<html lang="fi">
<head>
  <meta charset="UTF-8">
  <title>Pörssisähkön tuntihinnat</title>
  <style>
    body {
      font-family: sans-serif;
      background: #f5f5f5;
      margin: 0;
      padding: 20px;
      text-align: center;
    }
    h1 {
      margin-bottom: 10px;
    }
    .chart {
      display: flex;
      align-items: flex-end;
      height: 300px;
      margin-top: 20px;
      border-left: 1px solid #ccc;
      border-bottom: 1px solid #ccc;
    }
    .bar {
      flex: 1;
      margin: 0 1px;
      transition: height 0.3s;
      position: relative;
    }
    .bar span {
      position: absolute;
      bottom: 100%;
      font-size: 10px;
      transform: rotate(-45deg);
      transform-origin: bottom left;
    }
    .bar:hover::after {
      content: attr(title);
      position: absolute;
      top: -20px;
      left: 0;
      right: 0;
      background: #333;
      color: #fff;
      font-size: 10px;
      padding: 2px;
      border-radius: 3px;
    }
  </style>
</head>
<body>
  <h1>Pörssisähkön tuntihinnat tänään</h1>
  <div class="chart" id="chart"></div>
  <script>
    async function fetchPrices() {
      try {
        const res = await fetch('https://api.porssisahko.net/v1/latest-prices');
        const data = await res.json();

        const today = new Date().toISOString().slice(0, 10);
        const hourlyPrices = data.prices
          .filter(p => p.startDate.includes(today))
          .map(p => p.price);

        const chart = document.getElementById('chart');
        const maxPrice = Math.max(...hourlyPrices);

        hourlyPrices.forEach((price, hour) => {
          const bar = document.createElement('div');
          bar.className = 'bar';
          bar.style.height = `${(price / maxPrice) * 100}%`;
          bar.title = `${hour}:00 – ${price.toFixed(2)} c/kWh`;

          // Color logic
          if (price < 3) {
            bar.style.background = '#4caf50'; // Green
          } else if (price < 5) {
            bar.style.background = '#ffeb3b'; // Yellow
          } else if (price < 8) {
            bar.style.background = '#ff9800'; // Orange
          } else {
            bar.style.background = '#f44336'; // Red
          }

          const label = document.createElement('span');
          label.textContent = `${hour}:00`;
          bar.appendChild(label);

          chart.appendChild(bar);
        });
      } catch (err) {
        console.error('Fetch error:', err);
        document.getElementById('chart').textContent = 'Hinnan haku epäonnistui.';
      }
    }

    fetchPrices();
  </script>
</body>
</html>