{% extends "admin/base_site.html" %}
{% load i18n %}

{% block title %}Import Translations{% endblock %}
{% block content_title %}<h1>Import Translations</h1>{% endblock %}

{% block breadcrumbs %}
  <div class="breadcrumbs">
    <a href="../../../">Home</a>
    &rsaquo; <a href="../">Translation overrides</a>
    &rsaquo; Import
  </div>
{% endblock %}

{% block content %}
{% if result %}
{% if result.dry_run %}
<div class="module">
  <h2>Dry Run Preview</h2>
  <p class="help" style="font-size: 13px;">No changes were made. Review the preview below, then import again without &ldquo;Dry run&rdquo; to apply.</p>
  <table>
    <tr><th>Would create</th><td>{{ result.created }}</td></tr>
    <tr>
      <th>Would update</th>
      <td>
        {{ result.updated }}
        {% if result.unchanged %}
          ({{ result.unchanged }} already up to date)
        {% endif %}
      </td>
    </tr>
  </table>
  {% if result.errors %}
  <div class="errornote" style="margin-top: 10px;">
    <p>Errors:</p>
    <ul>
      {% for error in result.errors %}
        <li>{{ error }}</li>
      {% endfor %}
    </ul>
  </div>
  {% endif %}
  {% if result.preview %}
  <h3 style="margin-top: 15px;">Changes</h3>
  <table style="width: 100%; border-collapse: collapse;">
    <thead>
      <tr>
        <th style="text-align: left; padding: 6px 8px;">Action</th>
        <th style="text-align: left; padding: 6px 8px;">Language</th>
        <th style="text-align: left; padding: 6px 8px;">Message ID</th>
        <th style="text-align: left; padding: 6px 8px;">Context</th>
        <th style="text-align: left; padding: 6px 8px;">Translation</th>
        <th style="text-align: left; padding: 6px 8px;">Active</th>
      </tr>
    </thead>
    <tbody>
      {% for entry in result.preview|slice:":100000" %}
      <tr style="border-top: 1px solid #ddd;">
        <td style="padding: 6px 8px;">
          {% if entry.action == "create" %}
            <span style="background: #dff0d8; color: #3c763d; padding: 2px 8px; border-radius: 3px; font-size: 11px; font-weight: bold;">CREATE</span>
          {% else %}
            <span style="background: #d9edf7; color: #31708f; padding: 2px 8px; border-radius: 3px; font-size: 11px; font-weight: bold;">UPDATE</span>
          {% endif %}
        </td>
        <td style="padding: 6px 8px;">{{ entry.language }}</td>
        <td style="padding: 6px 8px; font-family: monospace; font-size: 12px;">{{ entry.msgid|truncatechars:50 }}</td>
        <td style="padding: 6px 8px;">{{ entry.context }}</td>
        <td style="padding: 6px 8px;">
          {% if entry.action == "update" %}
            <del style="color: #999;">{{ entry.old_msgstr_forms|truncatechars:40 }}</del><br>
            {{ entry.msgstr_forms|truncatechars:40 }}
          {% else %}
            {{ entry.msgstr_forms|truncatechars:40 }}
          {% endif %}
        </td>
        <td style="padding: 6px 8px;">
          {% if entry.action == "update" and entry.old_is_active != entry.is_active %}
            <del style="color: #999;">{% if entry.old_is_active %}Yes{% else %}No{% endif %}</del>
            &rarr; {% if entry.is_active %}Yes{% else %}No{% endif %}
          {% else %}
            {% if entry.is_active %}Yes{% else %}No{% endif %}
          {% endif %}
        </td>
      </tr>
      {% endfor %}
    </tbody>
  </table>
  {% if result.preview|length > 100000 %}
  <p class="help" style="margin-top: 8px;">Showing first 100,000 of {{ result.preview|length }} entries.</p>
  {% endif %}
  {% endif %}
</div>
{% else %}
<div class="module">
  <h2>Import Results</h2>
  <table>
    <tr><th>Created</th><td>{{ result.created }}</td></tr>
    <tr><th>Updated</th><td>{{ result.updated }}</td></tr>
  </table>
  {% if result.errors %}
  <div class="errornote" style="margin-top: 10px;">
    <p>Errors:</p>
    <ul>
      {% for error in result.errors %}
        <li>{{ error }}</li>
      {% endfor %}
    </ul>
  </div>
  {% endif %}
</div>
{% endif %}
{% endif %}

<form method="post" enctype="multipart/form-data" id="import-form">
  {% csrf_token %}

  <fieldset class="module aligned">
    <h2>File</h2>
    <div class="form-row">
      <label for="id_file">Upload file (.csv, .po, or .zip):</label>
      <input type="file" name="file" id="id_file" accept=".csv,.po,.zip" required>
    </div>
  </fieldset>

  <fieldset class="module aligned">
    <h2>Language (for .po files only)</h2>
    <div class="form-row">
      <p class="help">Required for single .po file import. Ignored for CSV and ZIP.</p>
      <select name="language">
        <option value="">Auto-detect from file</option>
        {% for lang in languages %}
          <option value="{{ lang }}">{{ lang }}</option>
        {% endfor %}
      </select>
    </div>
  </fieldset>

  <fieldset class="module aligned">
    <h2>Options</h2>
    <div class="form-row">
      <label><input type="checkbox" name="dry_run" value="1"> Dry run (preview changes without importing)</label>
    </div>
  </fieldset>

  <div class="submit-row">
    <input type="submit" value="Import" class="default">
    <a href="../" class="button cancel-link">Back</a>
  </div>
</form>
{% endblock %}