{% extends "base.html" %}
{% block content %}

<div class="week-header">
  <div class="week-nav-arrows">
    <a href="/semaine/{{ prev_year }}/{{ prev_week }}" class="arrow-btn">&#8592;</a>
    <a href="/semaine/{{ next_year }}/{{ next_week }}" class="arrow-btn">&#8594;</a>
  </div>

  <!-- Sélecteur calendrier -->
  <div class="cal-trigger-wrap">
    <button class="cal-trigger" id="cal-trigger" aria-expanded="false"
            onclick="toggleCal()">
      <span class="wk">S</span>{{ week }}<span class="slash">/</span>{{ year }}
      <span class="cal-caret">▾</span>
    </button>
    <div class="cal-popup" id="cal-popup" hidden>
      <div class="cal-header">
        <button class="cal-nav" onclick="calPrev()">&#8592;</button>
        <span class="cal-month-label" id="cal-month-label"></span>
        <button class="cal-nav" onclick="calNext()">&#8594;</button>
      </div>
      <table class="cal-grid">
        <thead>
          <tr>
            <th class="cal-wn">S</th>
            <th>L</th><th>M</th><th>M</th><th>J</th><th>V</th>
            <th class="cal-we">S</th><th class="cal-we">D</th>
          </tr>
        </thead>
        <tbody id="cal-body"></tbody>
      </table>
    </div>
  </div>

  <span class="week-header-spacer"></span>
  <a href="/export/semaine/{{ year }}/{{ week }}" class="export-btn" title="Exporter cette semaine (.ods)">
    ⇩ Exporter
  </a>
</div>

<!-- Soldes -->
{% include "_soldes.html" %}

<!-- Tableau -->
<div class="table-section">
  <table>
    <thead>
      <tr class="th-group">
        <th class="g-jour" rowspan="2">Jour</th>
        <th class="g-matin">Matin</th>
        <th class="g-aprem">Après-midi</th>
        <th class="g-calc" rowspan="2">Travaillé</th>
        <th class="g-calc" rowspan="2">Δ jour</th>
        <th class="g-cumul" rowspan="2">Δ sem.</th>
        <th class="g-cible" rowspan="2">Cible</th>
        <th class="g-save" rowspan="2"></th>
        <th class="g-conge" rowspan="2">Congé</th>
      </tr>
      <tr class="th-sub">
        <th class="s-matin">entrée &rarr; sortie</th>
        <th class="s-aprem">entrée &rarr; sortie</th>
      </tr>
    </thead>
    <tbody>
      {% for j, nom in result.jours | zip(jours_fr) %}
        {% include "_ligne.html" %}
      {% endfor %}
    </tbody>
  </table>
</div>

<!-- Historique groupé par année -->
{% if weeks_by_year %}
<div class="history">
  <span class="hist-label">Historique</span>
  <div class="hist-body">
    {% for yr, wks in weeks_by_year.items() %}
    <div class="hist-year-group">
      <span class="hist-year">{{ yr }}</span>
      <div class="hist-chips">
        {% for yw in wks %}
        <a href="/semaine/{{ yw[0] }}/{{ yw[1] }}"
           class="chip{% if yw[0] == year and yw[1] == week %} here{% endif %}">
          S{{ '%02d' % yw[1] }}
        </a>
        {% endfor %}
        <a href="/export/annee/{{ yr }}" class="chip chip-export" title="Exporter l'année {{ yr }} (.ods)">
          ⇩ {{ yr }}
        </a>
      </div>
    </div>
    {% endfor %}
  </div>
</div>
{% endif %}

<script>
(function () {
  const CURRENT_YEAR = {{ year }};
  const CURRENT_WEEK = {{ week }};

  // ISO week number from a Date
  function isoWeek(d) {
    const date = new Date(Date.UTC(d.getFullYear(), d.getMonth(), d.getDate()));
    // Thursday of this week determines the ISO year
    date.setUTCDate(date.getUTCDate() + 4 - (date.getUTCDay() || 7));
    const yearStart = new Date(Date.UTC(date.getUTCFullYear(), 0, 1));
    return {
      week: Math.ceil((((date - yearStart) / 86400000) + 1) / 7),
      year: date.getUTCFullYear()
    };
  }

  // Monday of an ISO week
  function mondayOfISOWeek(year, week) {
    const simple = new Date(Date.UTC(year, 0, 1 + (week - 1) * 7));
    const dow = simple.getUTCDay() || 7;  // Mon=1..Sun=7
    if (dow <= 4) simple.setUTCDate(simple.getUTCDate() - dow + 1);
    else simple.setUTCDate(simple.getUTCDate() + 8 - dow);
    return simple;
  }

  const MONTHS_FR = ['Janvier','Février','Mars','Avril','Mai','Juin',
                     'Juillet','Août','Septembre','Octobre','Novembre','Décembre'];

  // Start calendar on the month containing the current week's Monday
  const initMonday = mondayOfISOWeek(CURRENT_YEAR, CURRENT_WEEK);
  let calYear  = initMonday.getUTCFullYear();
  let calMonth = initMonday.getUTCMonth(); // 0-based

  function renderCal() {
    document.getElementById('cal-month-label').textContent =
      MONTHS_FR[calMonth] + ' ' + calYear;

    const body = document.getElementById('cal-body');
    body.innerHTML = '';

    // First day of month (Mon-based grid)
    const first = new Date(Date.UTC(calYear, calMonth, 1));
    const startDow = (first.getUTCDay() || 7) - 1; // 0=Mon
    const startDate = new Date(first);
    startDate.setUTCDate(1 - startDow);

    // 6 rows × 7 days
    for (let row = 0; row < 6; row++) {
      const monday = new Date(startDate);
      monday.setUTCDate(startDate.getUTCDate() + row * 7);

      // Skip row if entirely outside ±1 month
      const firstOfRow = monday;
      const lastOfRow = new Date(monday); lastOfRow.setUTCDate(monday.getUTCDate() + 6);
      if (firstOfRow.getUTCMonth() > calMonth + 1 ||
          lastOfRow.getUTCMonth() < calMonth - 1) continue;

      const { week: wn, year: wy } = isoWeek(monday);
      const isCurrent = (wy === CURRENT_YEAR && wn === CURRENT_WEEK);

      const tr = document.createElement('tr');
      tr.className = 'cal-row' + (isCurrent ? ' cal-current' : '');
      tr.style.cursor = 'pointer';
      tr.title = `Semaine ${wn} / ${wy}`;
      tr.onclick = () => { window.location = `/semaine/${wy}/${wn}`; };

      // Week number cell
      const wnTd = document.createElement('td');
      wnTd.className = 'cal-wn';
      wnTd.textContent = wn;
      tr.appendChild(wnTd);

      for (let d = 0; d < 7; d++) {
        const day = new Date(monday); day.setUTCDate(monday.getUTCDate() + d);
        const td = document.createElement('td');
        td.textContent = day.getUTCDate();
        const inMonth = day.getUTCMonth() === calMonth;
        if (!inMonth) td.className = 'cal-out';
        if (d >= 5)   td.className = (td.className ? td.className + ' ' : '') + 'cal-we';
        tr.appendChild(td);
      }
      body.appendChild(tr);
    }
  }

  window.calPrev = () => {
    calMonth--;
    if (calMonth < 0) { calMonth = 11; calYear--; }
    renderCal();
  };
  window.calNext = () => {
    calMonth++;
    if (calMonth > 11) { calMonth = 0; calYear++; }
    renderCal();
  };

  window.toggleCal = () => {
    const popup = document.getElementById('cal-popup');
    const btn   = document.getElementById('cal-trigger');
    const open  = popup.hidden;
    popup.hidden = !open;
    btn.setAttribute('aria-expanded', String(open));
    if (open) renderCal();
  };

  // Close on outside click
  document.addEventListener('click', e => {
    const wrap = document.querySelector('.cal-trigger-wrap');
    if (wrap && !wrap.contains(e.target)) {
      document.getElementById('cal-popup').hidden = true;
      document.getElementById('cal-trigger').setAttribute('aria-expanded', 'false');
    }
  });
})();
</script>

<script>
// Alerte départ — surveille l'heure cible du jour courant
(function () {
  var _alerted = false;
  var _lastCible = null;

  function todayStr() {
    var d = new Date();
    return d.getFullYear() + '-' +
           String(d.getMonth() + 1).padStart(2, '0') + '-' +
           String(d.getDate()).padStart(2, '0');
  }

  function getCible() {
    var wrap = document.getElementById('calc-' + todayStr() + '-cible');
    if (!wrap) return null;
    var nums = wrap.querySelectorAll('.cible-num');
    if (!nums.length) return null;
    // Plusieurs cibles possibles (matin + après-midi) : on alerte sur la dernière,
    // qui correspond au départ effectif de la journée.
    var txt = nums[nums.length - 1].textContent.trim();
    var m = txt.match(/(\d{2}:\d{2})$/);
    return m ? m[1] : null;
  }

  function nowMin() {
    var d = new Date();
    return d.getHours() * 60 + d.getMinutes();
  }

  function toMin(t) {
    var p = t.split(':');
    return parseInt(p[0], 10) * 60 + parseInt(p[1], 10);
  }

  function getSolde() {
    var el = document.querySelector('#soldes-section .solde-item:last-child .solde-num');
    return el ? el.textContent.trim() : null;
  }

  function showAlert(time) {
    if (document.getElementById('alerte-depart')) return;
    var solde = getSolde();
    var soldeHtml = '';
    if (solde && solde.charAt(0) === '+' && solde !== '+0h00') {
      soldeHtml = '<div class="alerte-supp">' + solde + ' de supp.</div>';
    }
    var notifBody = 'Heure de départ : ' + time;
    if (solde && solde.charAt(0) === '+') notifBody += ' · ' + solde + ' de supp.';

    var el = document.createElement('div');
    el.id = 'alerte-depart';
    el.innerHTML =
      '<div class="alerte-inner">' +
        '<span class="alerte-icon">⏰</span>' +
        '<div class="alerte-body">' +
          '<div class="alerte-label">Il faut partir</div>' +
          '<div class="alerte-time">' + time + '</div>' +
          soldeHtml +
        '</div>' +
        '<button class="alerte-close" title="Fermer" ' +
          'onclick="document.getElementById(\'alerte-depart\').remove();' +
                   'window._alerteDismissed=true;">✕</button>' +
      '</div>';
    document.body.appendChild(el);

    if ('Notification' in window && Notification.permission === 'granted') {
      new Notification('⏰ Il faut partir !', { body: notifBody, tag: 'depart' });
    }
  }

  function check() {
    if (window._alerteDismissed) return;
    var cible = getCible();
    if (!cible) return;
    if (cible !== _lastCible) {
      _lastCible = cible;
      if (toMin(cible) > nowMin()) _alerted = false;
    }
    if (!_alerted && nowMin() >= toMin(cible)) {
      _alerted = true;
      showAlert(cible);
    }
  }

  if ('Notification' in window && Notification.permission === 'default') {
    Notification.requestPermission();
  }

  check();
  setInterval(check, 30000);
})();
</script>

<script>
// Rafraîchit automatiquement les compteurs (travaillé/delta/soldes) du jour courant
(function () {
  function todayStr() {
    var d = new Date();
    return d.getFullYear() + '-' +
           String(d.getMonth() + 1).padStart(2, '0') + '-' +
           String(d.getDate()).padStart(2, '0');
  }

  function refresh() {
    var date = todayStr();
    if (!document.getElementById('row-' + date)) return;
    htmx.ajax('GET', '/refresh/' + date, { swap: 'none' });
  }

  setInterval(refresh, 60000);
})();
</script>

<script>
// Live warn on time inputs that violate minimum directives
document.addEventListener('input', function(e) {
  if (!e.target.matches('.time-input')) return;
  var date = e.target.dataset.date;
  var me = document.querySelector('[name="matin_entree"][data-date="' + date + '"]');
  var ms = document.querySelector('[name="matin_sortie"][data-date="' + date + '"]');
  var ae = document.querySelector('[name="aprem_entree"][data-date="' + date + '"]');
  var as = document.querySelector('[name="aprem_sortie"][data-date="' + date + '"]');
  var maDiv = document.getElementById('cg-matin-' + date);
  var apDiv = document.getElementById('cg-aprem-' + date);
  if (maDiv && !maDiv.classList.contains('cg')) {
    var warn = (me && me.value && me.value > '{{ plages.matin_debut }}') || (ms && ms.value && ms.value < '{{ plages.matin_fin }}');
    maDiv.classList.toggle('warn', !!warn);
  }
  if (apDiv && !apDiv.classList.contains('cg')) {
    var warnA = (ae && ae.value && ae.value > '{{ plages.aprem_debut }}') || (as && as.value && as.value < '{{ plages.aprem_fin }}');
    apDiv.classList.toggle('warn', !!warnA);
  }
});
</script>
{% endblock %}