/* templates.js — Halaman manajemen template pesan */
(function () {
  'use strict';

  var $ = function (s, r) { return (r || document).querySelector(s); };

  function esc(v) { return UI.escape(v); }

  function sampleContext() {
    return {
      nama: 'Budi Santoso',
      posisi: 'Staff Administrasi',
      perusahaan: Store.get().settings.perusahaan || 'E-recruitment',
      status: 'Interview',
      tanggal: '22 September 2025',
      hari: 'Senin',
      tanggal_lengkap: 'Senin, 22 September 2025',
      tanggal_melamar: '10 September 2025',
      jam: '10:00',
      metode: 'Online',
      lokasi: 'Google Meet',
      pewawancara: 'Andi Wijaya',
      hr: Store.get().settings.hr || 'HRD',
      jabatan_hr: Store.get().settings.jabatanHr || ''
    };
  }

  function init() {
    Store.init();
    render();
    $('#btnAddTpl').addEventListener('click', function () { openForm(null); });
  }

  function statusName(id) {
    var s = Store.statusById(id);
    return s ? s.nama : null;
  }

  function render() {
    var list = Store.get().templates;
    var wrap = $('#tplList');
    if (!list.length) {
      wrap.innerHTML = '';
      $('#tplEmpty').classList.remove('hidden');
      return;
    }
    $('#tplEmpty').classList.add('hidden');

    wrap.innerHTML = list.map(function (t) {
      var st = statusName(t.statusId);
      var meta = [];
      var jenisLabel = t.jenis === 'reminder' ? 'Reminder' : (t.jenis === 'pewawancara' ? 'Pewawancara' : 'Umum');
      var jenisWarna = t.jenis === 'reminder' ? '#d97706' : (t.jenis === 'pewawancara' ? '#7c3aed' : '#2563eb');
      meta.push('<span class="badge" style="background:' + jenisWarna + '">' + jenisLabel + '</span>');
      if (st) meta.push('<span class="muted small">Status: ' + esc(st) + '</span>');
      meta.push('<span class="' + (t.isActive ? '' : 'muted') + ' small">' + (t.isActive ? 'Aktif' : 'Nonaktif') + '</span>');

      return '<div class="template-item">' +
        '<div class="ti-head">' +
          '<div><strong>' + esc(t.nama) + '</strong><div class="mt1">' + meta.join(' ') + '</div></div>' +
          '<div class="actions">' +
            '<button class="btn btn-ghost btn-sm" data-tpl-toggle="' + t.id + '">' + (t.isActive ? 'Nonaktifkan' : 'Aktifkan') + '</button>' +
            '<button class="btn btn-ghost btn-sm" data-tpl-edit="' + t.id + '">Edit</button>' +
            '<button class="btn btn-danger btn-sm" data-tpl-del="' + t.id + '">Hapus</button>' +
          '</div>' +
        '</div>' +
        '<pre>' + esc(t.isi) + '</pre>' +
      '</div>';
    }).join('');
  }

  function statusOptions(selected) {
    return '<option value="">- Tidak terkait status -</option>' +
      Store.sortedStatuses().map(function (s) {
        return '<option value="' + esc(s.id) + '"' + (s.id === selected ? ' selected' : '') + '>' + esc(s.nama) + '</option>';
      }).join('');
  }

  function openForm(id) {
    var t = id ? Store.templateById(id) : null;
    var chips = WA.PLACEHOLDERS.map(function (p) {
      return '<span class="chip" data-ins="' + p + '">{{' + p + '}}</span>';
    }).join('');

    var body =
      '<div class="grid cols-2">' +
        '<div class="field"><label for="t-nama">Nama template *</label><input type="text" id="t-nama" value="' + esc(t ? t.nama : '') + '"></div>' +
        '<div class="field"><label for="t-jenis">Jenis</label><select id="t-jenis">' +
          '<option value="umum"' + (t && t.jenis === 'umum' ? ' selected' : '') + '>Umum</option>' +
          '<option value="reminder"' + (t && t.jenis === 'reminder' ? ' selected' : '') + '>Reminder Interview (Pelamar)</option>' +
          '<option value="pewawancara"' + (t && t.jenis === 'pewawancara' ? ' selected' : '') + '>Reminder Interview (Pewawancara)</option>' +
        '</select></div>' +
      '</div>' +
      '<div class="grid cols-2">' +
        '<div class="field"><label for="t-status">Terkait status</label><select id="t-status">' + statusOptions(t ? t.statusId : '') + '</select></div>' +
        '<div class="field"><label for="t-active">Status template</label><select id="t-active">' +
          '<option value="1"' + (!t || t.isActive ? ' selected' : '') + '>Aktif</option>' +
          '<option value="0"' + (t && !t.isActive ? ' selected' : '') + '>Nonaktif</option>' +
        '</select></div>' +
      '</div>' +
      '<div class="field"><label>Placeholder (klik untuk menyisipkan)</label><div class="placeholder-btns">' + chips + '</div></div>' +
      '<div class="field"><label for="t-isi">Isi pesan *</label><textarea id="t-isi" style="min-height:200px">' + esc(t ? t.isi : '') + '</textarea></div>' +
      '<div class="field"><label>Preview (contoh data)</label><div class="preview-box" id="t-preview"></div></div>';

    var footer =
      '<button class="btn btn-ghost" type="button" data-close>Batal</button>' +
      '<button class="btn btn-primary" type="button" id="saveTpl">' + (id ? 'Simpan Perubahan' : 'Tambah Template') + '</button>';

    UI.openModal({
      title: id ? 'Edit Template' : 'Tambah Template',
      size: 'lg',
      body: body,
      footer: footer,
      onMount: function (el) {
        var isi = el.querySelector('#t-isi');
        var prev = el.querySelector('#t-preview');
        function update() { prev.textContent = WA.render(isi.value, sampleContext()); }
        isi.addEventListener('input', update);
        update();

        el.querySelectorAll('[data-ins]').forEach(function (chip) {
          chip.addEventListener('click', function () {
            var text = '{{' + chip.getAttribute('data-ins') + '}}';
            var start = isi.selectionStart, end = isi.selectionEnd;
            isi.value = isi.value.slice(0, start) + text + isi.value.slice(end);
            isi.selectionStart = isi.selectionEnd = start + text.length;
            isi.focus();
            update();
          });
        });

        el.querySelector('[data-close]').addEventListener('click', UI.closeModal);
        el.querySelector('#saveTpl').addEventListener('click', function () {
          var nama = el.querySelector('#t-nama').value.trim();
          var isiVal = isi.value;
          if (!nama) { UI.toast('Nama template wajib diisi.', 'err'); return; }
          if (!isiVal.trim()) { UI.toast('Isi pesan wajib diisi.', 'err'); return; }
          var data = {
            nama: nama,
            jenis: el.querySelector('#t-jenis').value,
            statusId: el.querySelector('#t-status').value || null,
            isActive: el.querySelector('#t-active').value === '1',
            isi: isiVal
          };
          if (id) { Store.updateTemplate(id, data); UI.toast('Template diperbarui.', 'ok'); }
          else { Store.addTemplate(data); UI.toast('Template ditambahkan.', 'ok'); }
          UI.closeModal();
          render();
        });
      }
    });
  }

  document.addEventListener('click', function (e) {
    var edit = e.target.closest('[data-tpl-edit]');
    if (edit) { openForm(edit.getAttribute('data-tpl-edit')); return; }

    var del = e.target.closest('[data-tpl-del]');
    if (del) {
      var t = Store.templateById(del.getAttribute('data-tpl-del'));
      if (t && UI.confirmDialog('Hapus template "' + t.nama + '"?')) {
        Store.deleteTemplate(t.id);
        UI.toast('Template dihapus.', 'ok');
        render();
      }
      return;
    }

    var tog = e.target.closest('[data-tpl-toggle]');
    if (tog) {
      var tt = Store.templateById(tog.getAttribute('data-tpl-toggle'));
      if (tt) { Store.updateTemplate(tt.id, { isActive: !tt.isActive }); render(); }
    }
  });

  document.addEventListener('DOMContentLoaded', init);
})();