interier/templates/sk/history/property.eta

<% layout("/sk/history/layout", { title: `história` }) %>

<%~ include("/sk/partials/topbar") %>

<% const backIcon = `
    <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24">
        <path fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="m12 19l-7-7l7-7m7 7H5" />
    </svg>
` %>

<div class="container-row">
    <a role="button" href="/history"><%~ backIcon %> história</a>
    <h2><%~ it?.lang?.history.properties?.[it?.property]() %></h2>
</div>

<div class="historyLinks">
    <a role="button" href="/history/<%= it.property %>/daily">deň</a>
    <a role="button" href="/history/<%= it.property %>/monthly">mesiac</a>
    <a role="button" href="/history/<%= it.property %>/yearly">rok</a>
    <a role="button" href="/history/<%= it.property %>/allTime">celý čas</a>
</div>

<% if (it?.dateMap?.years) { %>
    <form id="historyForm">
        <% if (it?.dateMap?.days) { %>
            <div>
            <label for="day">deň</label>
            <select id="day" name="day">
                <% for (const item of it?.dateMap?.days) { %>
                    <option value="<%= item %>" <%= item === it?.selected?.day ? `selected` : `` %> ><%= item %></option>
                <% } %>
            </select>
            </div>
        <% } %>

        <% if (it?.dateMap?.months) { %>
            <div>
            <label for="month">mesiac</label>
            <select id="month" name="month">
                <% for (const item of it?.dateMap?.months) { %>
                    <option value="<%= item %>" <%= item === it?.selected?.month ? `selected` : `` %> > <%= it?.lang?.history.dateFormats.months?.[item]() %></option>
                <% } %>
            </select>
            </div>
        <% } %>

        <div>
            <label for="year">rok</label>
            <select id="year" name="year">
                <% for (const item of it?.dateMap?.years) { %>
                    <option value="<%= item %>" <%= item === it?.selected?.year ? `selected` : `` %> > <%= item %></option>
                <% } %>
            </select>
        </div>

        <button type="submit">načítať</button>
    </form>
<% } %>

<% const time = [] %>
<% const data = [] %>

<% for (const item of it.data) { %>
    <% time.push(item.timeMark) %>
    
    <% if (it.property === "outdoorConnected") {%>
        <% data.push(item.value) %>
        <% continue %>
    <% } %>

    <% data.push(item.value / 100) %>
<% } %>

<div>
    <canvas id="historyChart"></canvas>
</div>

<script>
  const dateMap = <%~ JSON.stringify(it?.dateMap.raw, null, 2) %>

  const monthLang = <%~ serializeToCode(it?.lang?.general.dateFormats.months) %>

  const daySelect = document.querySelector("#historyForm select#day")
  const monthSelect = document.querySelector("#historyForm select#month")
  const yearSelect = document.querySelector("#historyForm select#year")

  monthSelect.addEventListener('change', resetHistoryForm)
  yearSelect.addEventListener('change', resetHistoryForm)

  function resetHistoryForm(e) {
    daySelect.textContent = ''
    if (e.target.id === "year") monthSelect.textContent = ''

    const years = Object.keys(dateMap)
    const selectedYear = years.find(i => i === yearSelect.value) ?? years[years.length - 1]

    const months = Object.keys(dateMap[selectedYear])
    const selectedMonth = months.find(i => i === monthSelect.value) ?? months[months.length - 1]

    const days = dateMap[selectedYear][selectedMonth]

    for (const day of days) {
        const option = document.createElement('option')
        option.textContent = day
        option.value = day
        daySelect.append(option)
    }

    if (e.target.id === "year") {
        for (const [key, value] of Object.entries(months)) {
            const option = document.createElement('option')
            option.textContent = monthLang[key]()
            option.value = key
            monthSelect.append(option)
        }
    }
  }

  const ctx = document.querySelector('#historyChart');

  new Chart(ctx, {
    type: 'bar',
    data: {
      labels: <%~ JSON.stringify(time, null, 2) %>,
      datasets: [{
        label: `<%= it.property %>`,
        data: <%~ JSON.stringify(data, null, 2) %>,
        borderWidth: 1
      }]
    },
    options: {
      scales: {
        y: {
          beginAtZero: true
        }
      }
    }
  });
</script>

<% function serializeToCode(obj) { %>
  <% // Handle null/primitive types %>
  <% if (obj === null) return 'null'; %>
  <% if (typeof obj === 'string') return `'${obj.replace(/'/g, "\\'")}'`; %>
  <% if (typeof obj !== 'object') return obj.toString(); %>

  <% // Handle Arrays %>
  <% if (Array.isArray(obj)) { %>
    <% return `[${obj.map(item => serializeToCode(item)).join(',')}]`; %>
  <% } %>

  <% // Handle Objects %>
  <% const entries = Object.entries(obj).map(([key, value]) => { %>
    <% // Ensure keys are safe (quoted if they contain special characters) %>
    <% const safeKey = /^[a-z$_][a-z0-9$_]*$/i.test(key) ? key : `'${key}'`; %>
    <% return `${safeKey}: ${serializeToCode(value)}`; %>
  <% }); %>

  <% return `{${entries.join(',')}}`; %>
<% } %>