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{{/* index.html renders the full lectio-web page: essential controls on the left
     (date, lectionary, version checkboxes, all/gospel, layout, mono) and, pushed
     to the right, the nav + download links. Theme lives only in /settings now.

     The controls form (#controls) carries hx-get="/readings" and fires on any
     bubbling "change", so the readings pane re-fetches when a field changes.
     The date arrows step the date input by a day client-side and dispatch its
     change (so navigation is relative to the CURRENT date and updates the shown
     day). mono lives OUTSIDE the form so toggling it doesn't refetch readings. */}}
<!doctype html>
<html lang="{{.Lang}}">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>lectio</title>
<link rel="stylesheet" href="/static/base.css">
<link id="theme" rel="stylesheet" href="/theme.css?name={{.Theme}}">
<script src="/static/htmx.min.js"></script>
<script>
function stepDate(n){
  var el=document.querySelector('#controls input[name=date]');
  if(!el||!el.value)return;
  var d=new Date(el.value+'T00:00:00');
  d.setDate(d.getDate()+n);
  el.value=d.getFullYear()+'-'+String(d.getMonth()+1).padStart(2,'0')+'-'+String(d.getDate()).padStart(2,'0');
  el.dispatchEvent(new Event('change',{bubbles:true}));
}
</script>
</head>
<body{{if .Mono}} class="mono"{{end}}>
<div class="page">

  <form id="controls" class="controls" hx-get="/readings" hx-target="#pane" hx-trigger="change">
    {{/* Always-present marker so the server can tell a form submit with every
         version unchecked (show nothing) from a fresh visit (config default). */}}
    <input type="hidden" name="vset" value="1">
    <span class="date-nav">
      <button type="button" onclick="stepDate(-1)">&larr;</button>
      <input type="date" name="date" value="{{.Date}}">
      <button type="button" onclick="stepDate(1)">&rarr;</button>
    </span>

    <label>{{.L.Lectionary}}
      <select name="lectionary">
        <option value="new" {{if eq .Lectionary "new"}}selected{{end}}>{{.L.OptModern}}</option>
        <option value="traditional" {{if eq .Lectionary "traditional"}}selected{{end}}>{{.L.OptTraditional}}</option>
      </select>
    </label>

    {{range .VersionOpts}}
    <label id="ver-{{.Code}}"><input type="checkbox" name="v" value="{{.Code}}" {{if .Checked}}checked{{end}}> {{.Code}}</label>
    {{end}}

    <label>{{.L.Parts}}
      <select name="all">
        <option value="0" {{if not .All}}selected{{end}}>{{.L.OptGospel}}</option>
        <option value="1" {{if .All}}selected{{end}}>{{.L.OptAll}}</option>
      </select>
    </label>

    <label>{{.L.Layout}}
      <select name="display">
        <option value="horizontal" {{if eq .Display "horizontal"}}selected{{end}}>{{.L.OptHorizontal}}</option>
        <option value="vertical" {{if eq .Display "vertical"}}selected{{end}}>{{.L.OptColumns}}</option>
        <option value="interlinear" {{if eq .Display "interlinear"}}selected{{end}}>{{.L.OptInterlinear}}</option>
      </select>
    </label>

    {{/* mono lives in the form but stops its change from bubbling, so toggling
         it flips the body class without refetching the readings. */}}
    <label class="mono-toggle"><input type="checkbox" {{if .Mono}}checked{{end}}
           onchange="event.stopPropagation();document.body.classList.toggle('mono', this.checked)"> {{.L.Mono}}</label>

    {{/* Utility links, pushed to the right (see .controls-side). The export URLs
         are built from the live control values at click time. */}}
    <span class="controls-side">
      <a class="nav-link" href="/reader">{{.L.NavReader}} &rarr;</a>
      <a class="nav-link" href="/settings">{{.L.NavSettings}}</a>
      <span class="export">{{.L.Export}}:
        <a href="#" onclick="location='/export?fmt=txt&'+new URLSearchParams(new FormData(document.getElementById('controls'))).toString();return false;">txt</a>
        <a href="#" onclick="location='/export?fmt=md&'+new URLSearchParams(new FormData(document.getElementById('controls'))).toString();return false;">md</a>
        <a href="#" onclick="location='/export?fmt=pdf&'+new URLSearchParams(new FormData(document.getElementById('controls'))).toString();return false;">pdf</a>
        · <a href="#" onclick="var d=(document.querySelector('#controls [name=date]').value||'').slice(0,7);location='/calendar?month='+d+'&lectionary='+document.querySelector('#controls [name=lectionary]').value;return false;">{{.L.Calendar}}</a>
      </span>
    </span>
  </form>

  <div id="pane">{{.Reading}}</div>

</div>

{{/* AGPL-3.0 §13: the source offer must be visible to anyone using this
     server over a network, so it sits on every full page, not just here. */}}
<footer class="licence"><a href="/source">source</a> · AGPL-3.0-or-later</footer>
</body>
</html>