gymnote/index.html at main · eldemet/gymnote · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <meta http-equiv="X-UA-Compatible" content="IE=edge" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>GymNote</title>
  <!-- Tailwind via CDN -->
  <script src="https://cdn.tailwindcss.com"></script>
  <!-- Dexie.js for IndexedDB -->
  <script src="https://unpkg.com/dexie@3/dist/dexie.min.js"></script>
  <!-- Chart.js for graphs -->
  <script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
</head>
<body class="bg-gray-100 p-4 min-h-screen flex items-center justify-center">
  <div class="w-full max-w-4xl">
    <h1 class="text-3xl font-bold mb-4 text-center">GymNote</h1>

    <!-- MOBILE “Machines” TOGGLE BUTTON -->
    <button
      id="toggleListBtn"
      class="md:hidden fixed top-4 left-4 z-50 px-3 py-1 bg-gray-800 text-white rounded"
    >
      Machines
    </button>

    <div class="flex flex-col md:flex-row md:space-x-4 space-y-4 md:space-y-0">
      <!-- MACHINE LIST -->
      <div
        id="machineListContainer"
        class="w-full md:w-1/3 bg-white p-4 rounded-2xl shadow-md"
      >
        <h2 class="text-xl mb-2">Machines</h2>
        <button
          id="addMachineBtn"
          class="mb-2 px-3 py-1 bg-blue-500 text-white rounded w-full"
        >
          + Add Machine
        </button>
        <ul
          id="machineList"
          class="space-y-2 h-64 overflow-y-auto"
        ></ul>
      </div>

      <!-- MACHINE DETAIL & CHART -->
      <div
        id="machineDetailContainer"
        class="w-full md:w-2/3 bg-white p-4 rounded-2xl shadow-md"
      >
        <div id="machineDetail">
          <p class="text-gray-500">Select a machine to see details.</p>
        </div>
      </div>
    </div>
  </div>

  <script>
    // Set up DB
    const db = new Dexie("GymTrackerDB");
    db.version(1).stores({
      machines: "++id, label, image",
      entries:  "++id, machineId, date, weight, reps, sets"
    });

    // UI elements
    const listContainerEl   = document.getElementById("machineListContainer");
    const machineListEl     = document.getElementById("machineList");
    const detailEl          = document.getElementById("machineDetail");
    const addMachineBtn     = document.getElementById("addMachineBtn");
    const toggleListBtn     = document.getElementById("toggleListBtn");

    let selectedMachineId = null;

    // Toggle function (mobile only)
    function toggleList() {
      if (window.innerWidth < 768) {
        listContainerEl.classList.toggle("hidden");
      }
    }
    toggleListBtn.addEventListener("click", toggleList);

    // Add machine: open camera/picker first, then prompt for label
    addMachineBtn.addEventListener("click", () => {
      const input = document.createElement("input");
      input.type = "file";
      input.accept = "image/*";
      input.capture = "environment";
      input.onchange = e => {
        const file = e.target.files[0];
        const reader = new FileReader();
        reader.onload = async () => {
          const label = prompt("Machine name:");
          if (!label) return;
          await db.machines.add({ label, image: reader.result });
          loadMachines();
        };
        reader.readAsDataURL(file);
      };
      input.click();
    });

    // Load machines
    async function loadMachines() {
      const machines = await db.machines.toArray();
      machineListEl.innerHTML = "";
      machines.forEach(m => {
        const li = document.createElement("li");
        li.className =
          "cursor-pointer p-2 hover:bg-gray-100 flex items-center space-x-2";
        li.innerHTML = `
          <img src="${m.image}" class="w-12 h-12 rounded object-cover"/>
          <span>${m.label}</span>
        `;
        li.onclick = () => selectMachine(m.id);
        machineListEl.appendChild(li);
      });
    }

    // Select machine & show detail
    async function selectMachine(id) {
      selectedMachineId = id;
      const m = await db.machines.get(id);
      if (window.innerWidth < 768) {
        listContainerEl.classList.add("hidden");
      }
      detailEl.innerHTML = `
        <h2 class="text-2xl font-semibold mb-2">${m.label}</h2>
        <img
          id="detailImage"
          src="${m.image}"
          class="w-full h-48 object-cover rounded mb-4 cursor-pointer"
        />
        <button
          id="addEntryBtn"
          class="mb-4 px-3 py-1 bg-green-500 text-white rounded w-full"
        >
          + Add Entry
        </button>
        <div class="relative h-64">
          <canvas id="progressChart" class="w-full h-full"></canvas>
        </div>
      `;
      document
        .getElementById("detailImage")
        .addEventListener("click", toggleList);
      document.getElementById("addEntryBtn").onclick = showEntryForm;
      await renderChart();
    }

    // Add entry
    async function showEntryForm() {
      const today = new Date().toISOString().slice(0, 10);
      const date  = prompt("Date (YYYY-MM-DD):", today);
      const weight= prompt("Weight:");
      const reps  = prompt("Reps:");
      const sets  = prompt("Sets:");
      if (!date||!weight||!reps||!sets) return;
      await db.entries.add({
        machineId: selectedMachineId,
        date,
        weight: Number(weight),
        reps: Number(reps),
        sets: Number(sets)
      });
      selectMachine(selectedMachineId);
    }

    // Render chart
    async function renderChart() {
      const entries = await db.entries
        .where("machineId").equals(selectedMachineId)
        .sortBy("date");
      const dates   = entries.map(e => e.date);
      const weights = entries.map(e => e.weight);
      const reps    = entries.map(e => e.reps);
      const ctx = document.getElementById("progressChart").getContext("2d");
      new Chart(ctx, {
        type: "line",
        data: {
          labels: dates,
          datasets: [
            { label: "Weight", data: weights, borderWidth: 2 },
            { label: "Reps",   data: reps,    borderWidth: 2 }
          ]
        },
        options: {
          responsive: true,
          maintainAspectRatio: false,
          scales: {
            x: { title: { display: true, text: "Date" } }
          }
        }
      });
    }

    // Initial load
    loadMachines();
  </script>
</body>
</html>