MediaWiki:Gadget-OralHistoryRecords-Updated.js

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/* ===== OralHistoryRecords-Updated.js ===== */
/* global mw */
(function () {
  'use strict';

  // ====== COLUMN CONFIG ======
  var COL = {
    transcript: 'Transcript Identifier',
    audio: 'Audio Identifier',
    video: 'Video Identifier',
    first: 'First Name',
    last: 'Last Name',
    birth: 'Birth Year',
    death: 'Death Year',
    dateFrom: 'Date From',
    dateTo: 'Date To',
    summary: 'Summary',
    wiki: 'Wiki Link'
  };

  // ====== STATE ======
  var ALL = [];
  var FILTER = { q: '' };

  // ====== HELPERS ======
  function $(id) { return document.getElementById(id); }

  function esc(s) {
    s = (s == null ? '' : String(s));
    return s.replace(/[&<>"']/g, function (c) {
      return ({ '&': '&amp;', '<': '&lt;', '>': '&gt;', '"': '&quot;', "'": '&#39;' }[c]);
    });
  }

  function norm(s) {
    return (s || '')
      .toString()
      .normalize('NFD')
      .replace(/[\u0300-\u036f]/g, '')
      .toLowerCase();
  }

  function debounce(fn, ms) {
    var t;
    return function () {
      var args = arguments;
      clearTimeout(t);
      t = setTimeout(function () { fn.apply(null, args); }, ms);
    };
  }

  function getViewMode() {
    var root = $('ohr-directory');
    var mode = root ? (root.getAttribute('data-view') || '').trim().toLowerCase() : '';
    if (mode === 'accordion' || mode === 'chips' || mode === 'directory') return mode;
    return 'directory';
  }

  // ====== CSV URL (SAFE + FLEXIBLE) ======
  function getCsvUrl() {
    var root = $('ohr-directory');
    var override = root ? (root.getAttribute('data-csv') || '').trim() : '';

    var base = override || (
      (mw.config.get('wgScript') || '/index.php') +
      '/Special:FilePath/OHData.csv'
    );

    return base + (base.indexOf('?') === -1 ? '?' : '&') + 'cb=' + Date.now();
  }

  // ====== DATA FORMATTERS ======
  function toYear(value) {
    if (!value) return '';
    var m = String(value).match(/\b(1[6-9]\d{2}|20\d{2}|21\d{2})\b/);
    return m ? m[1] : '';
  }

  function recordedLabel(person) {
    var y1 = toYear(person[COL.dateFrom]);
    var y2 = toYear(person[COL.dateTo]);
    if (y1 && y2) return (y1 === y2) ? ('Recorded ' + y1) : ('Recorded ' + y1 + '–' + y2);
    if (y1) return 'Recorded ' + y1;
    if (y2) return 'Recorded ' + y2;
    return '';
  }

  function splitLinks(value) {
    if (!value) return [];
    return String(value).split(',').map(function (x) { return x.trim(); }).filter(Boolean);
  }

  function fullName(p) {
    return ((p[COL.first] || '') + ' ' + (p[COL.last] || '')).trim() || 'Untitled';
  }

  function lifespan(p) {
    var b = p[COL.birth] || '';
    var d = p[COL.death] || '';
    if (b && d) return b + '–' + d;
    if (b && !d) return b + '–';
    if (!b && d) return '–' + d;
    return '';
  }

  function accessLabel(name, type, i, total) {
    var part = total > 1 ? ' (Part ' + (i + 1) + '/' + total + ')' : '';
    return 'Access ' + name + '’s ' + type.charAt(0).toUpperCase() + type.slice(1) + part;
  }

  function chipText(type, i, total) {
    if (total > 1) return type.charAt(0).toUpperCase() + type.slice(1) + ' ' + (i + 1) + '/' + total;
    return type.charAt(0).toUpperCase() + type.slice(1);
  }

  // ====== UI ======
  function buildToolbar(root) {
    var bar = document.createElement('div');
    bar.className = 'ohr-toolbar';

    var search = document.createElement('input');
    search.id = 'ohr-search';
    search.type = 'search';
    search.placeholder = 'Search names, summaries…';

    var count = document.createElement('div');
    count.id = 'ohr-count';
    count.className = 'ohr-count';

    bar.appendChild(search);
    bar.appendChild(count);
    root.insertBefore(bar, root.firstChild);
  }

  function parseCSV(text) {
    var lines = text.trim().split(/\r?\n/);
    var headers = lines[0].split(',').map(function (h) { return h.trim(); });

    return lines.slice(1).map(function (line) {
      var values = line.match(/(?:[^,"]+|"[^"]*")+/g) || [];
      values = values.map(function (v) { return v.replace(/^"|"$/g, '').trim(); });
      if (values.length !== headers.length) return null;
      var row = {};
      headers.forEach(function (h, i) { row[h] = values[i]; });
      return row;
    }).filter(Boolean);
  }

  function buildHeader(p) {
    var meta = [];
    var life = lifespan(p);
    var rec = recordedLabel(p);
    if (life) meta.push('<span>' + esc(life) + '</span>');
    if (rec) meta.push('<span>' + esc(rec) + '</span>');
    var metaHTML = meta.join('<span class="ohr-dot">·</span>');

    return (
      '<div class="ohr-head">' +
        '<div class="ohr-titleblock">' +
          '<h3 class="ohr-name">' + esc(fullName(p)) + '</h3>' +
          (metaHTML ? '<div class="ohr-meta">' + metaHTML + '</div>' : '') +
        '</div>' +
      '</div>'
    );
  }

  function buildLinks(p, style) {
    var name = fullName(p);
    var out = [];

    function add(type, urls) {
      urls.forEach(function (url, i) {
        var label = accessLabel(name, type, i, urls.length);
        if (style === 'chips') {
          out.push(
            '<a class="ohr-chip" target="_blank" rel="noopener" href="' + esc(url) +
            '" title="' + esc(label) + '">' +
            esc(chipText(type, i, urls.length)) +
            '</a>'
          );
        } else {
          out.push(
            '<a class="ohr-link" target="_blank" rel="noopener" href="' + esc(url) + '">' +
            esc(label) +
            '</a>'
          );
        }
      });
    }

    var wiki = (p[COL.wiki] || '').trim();
    if (wiki) {
      out.push(
        '<a class="' + (style === 'chips' ? 'ohr-chip' : 'ohr-link') +
        '" target="_blank" rel="noopener" href="' + esc(wiki) + '">Read Wiki Page</a>'
      );
    }

    add('video', splitLinks(p[COL.video]));
    add('audio', splitLinks(p[COL.audio]));
    add('transcript', splitLinks(p[COL.transcript]));

    if (!out.length) return '';
    return '<div class="' + (style === 'chips' ? 'ohr-chips' : 'ohr-links') + '">' + out.join('') + '</div>';
  }

  function render(rows) {
    var container = $('ohr-list');
    if (!container) return;

    if (!rows.length) {
      container.innerHTML = '<p class="ohr-muted" style="text-align:center">No matching records.</p>';
      return;
    }

    var mode = getViewMode();
    var html = rows.map(function (p, i) {
      var summary = (p[COL.summary] || '').trim();
      var base =
        buildHeader(p) +
        (summary ? '<p class="ohr-bio">' + esc(summary) + '</p>' : '') +
        buildLinks(p, mode === 'chips' ? 'chips' : 'links');
      return '<div class="ohr-item">' + base + '</div>';
    }).join('');

    container.innerHTML = html;
  }

  function applyFilters() {
    var q = norm(FILTER.q);
    var filtered = ALL.filter(function (row) {
      if (!q) return true;
      var hay = norm(
        (row[COL.first] || '') + ' ' +
        (row[COL.last] || '') + ' ' +
        (row[COL.summary] || '')
      );
      return hay.indexOf(q) !== -1;
    });

    filtered.sort(function (a, b) {
      return norm(a[COL.last]).localeCompare(norm(b[COL.last]));
    });

    render(filtered);
    var count = $('ohr-count');
    if (count) count.textContent = filtered.length + ' records';
  }

  function attachHandlers() {
    var input = $('ohr-search');
    if (input) {
      input.addEventListener('input', debounce(function () {
        FILTER.q = input.value.trim();
        applyFilters();
      }, 200));
    }
  }

  function displayError(msg) {
    var loading = $('ohr-loading');
    var error = $('ohr-error');
    if (loading) loading.classList.add('ohr-hidden');
    if (error) {
      error.classList.remove('ohr-hidden');
      error.classList.add('ohr-error');
      error.innerHTML =
        '<p><strong>Failed to load records.</strong></p>' +
        '<p class="ohr-muted">' + esc(msg) + '</p>';
    }
  }

  function init() {
    var root = $('ohr-directory');
    if (!root) return;

    buildToolbar(root);

    fetch(getCsvUrl(), { credentials: 'include', cache: 'no-store' })
      .then(function (res) {
        if (!res.ok) throw new Error('HTTP ' + res.status);
        return res.text();
      })
      .then(function (text) {
        ALL = parseCSV(text);
        $('ohr-loading').classList.add('ohr-hidden');
        attachHandlers();
        applyFilters();
      })
      .catch(function (err) {
        displayError(err.message);
        console.error(err);
      });
  }

  if (document.readyState !== 'loading') init();
  else document.addEventListener('DOMContentLoaded', init);

})();