{% extends "base.html" %}
{% load i18n static %}

{% block title %}{% trans "Import requirements" %}{% endblock %}

{% block contents %}
<div class="container-fluid" id="requirements-import">
  <div class="page-header">
    <h1>{% trans "Import requirements (CSV)" %}</h1>
  </div>

  <div class="row requirements-row-equal">
    <div class="col-md-6">
      <form method="post" enctype="multipart/form-data">
        {% csrf_token %}
        {% for field in form %}
        <div class="form-group {% if field.errors %}has-error{% endif %}">
          <label for="{{ field.id_for_label }}">{{ field.label }}</label>
          {{ field }}
          {% if field.help_text %}
            <span class="help-block"><small>{{ field.help_text }}</small></span>
          {% endif %}
          {% if field.errors %}
            <span class="help-block text-danger">{{ field.errors }}</span>
          {% endif %}
        </div>
        {% endfor %}
        <button type="submit" class="btn btn-primary">
          <i class="fa fa-upload"></i> {% trans "Upload" %}
        </button>
        <a href="{% url 'requirement-list' %}" class="btn btn-link">{% trans "Cancel" %}</a>
      </form>
    </div>

    <div class="col-md-6">
      <div class="panel panel-primary">
        <div class="panel-heading"><strong>{% trans "Download a template" %}</strong></div>
        <div class="panel-body">
          <p>{% blocktrans %}Headers + three sample rows so you can see the exact column shape. Fill in your own rows and upload.{% endblocktrans %}</p>
          <a href="{% url 'requirement-import-template' 'xlsx' %}" class="btn btn-primary">
            <i class="fa fa-file-excel-o"></i> {% trans "Download XLSX template" %}
          </a>
          <a href="{% url 'requirement-import-template' 'csv' %}" class="btn btn-default">
            <i class="fa fa-file-text-o"></i> {% trans "Download CSV template" %}
          </a>
        </div>
      </div>

      <div class="panel panel-default">
        <div class="panel-heading"><strong>{% trans "Accepted formats" %}</strong></div>
        <div class="panel-body">
          <p>
            <strong>{% trans "CSV / XLSX" %}</strong> &mdash;
            {% trans "required columns:" %} <code>identifier</code>, <code>title</code>.
            {% trans "Optional:" %}
            <code style="white-space:normal;">
              description, rationale, category, source, source_section, level,
              product, project, feature, parent_requirement, status, priority,
              verification_method, asil, dal, iec62304_class, doc_id,
              doc_revision, effective_date, change_reason, jira_issue_key,
              external_refs, linked_cases.
            </code>
          </p>
          <p>
            <strong>{% trans "JIRA CSV" %}</strong> &mdash;
            {% blocktrans %}headers like <code>External Issue ID</code>, <code>Summary</code>, <code>Linked Test Cases</code> are auto-translated, so a JIRA export round-trips.{% endblocktrans %}
          </p>
          <p>
            <strong>{% trans "JSON" %}</strong> &mdash;
            {% blocktrans %}upload the shape produced by the JSON exporter (<code>{"requirements": [...]}</code>). Preserves full link fidelity: <code>link_type</code>, <code>suspect</code>, and <code>coverage_notes</code> survive the round-trip.{% endblocktrans %}
          </p>
          <p><small>{% trans "FK values resolve by human-friendly names: category name, level code, requirement identifier for parent, etc." %}</small></p>
        </div>
      </div>
    </div>
  </div>

  {% if import_result %}
  <div class="page-header">
    <h2>
      {% if dry_run_used %}{% trans "Dry-run result" %}{% else %}{% trans "Import result" %}{% endif %}
    </h2>
  </div>

  <div class="row requirements-row-equal">
    <div class="col-md-3">
      <div class="panel panel-default">
        <div class="panel-heading">{% trans "Total rows" %}</div>
        <div class="panel-body"><h2>{{ import_result.rows_total }}</h2></div>
      </div>
    </div>
    <div class="col-md-3">
      <div class="panel panel-success">
        <div class="panel-heading">{% trans "Valid" %}</div>
        <div class="panel-body"><h2>{{ import_result.rows_ok }}</h2></div>
      </div>
    </div>
    <div class="col-md-3">
      <div class="panel panel-primary">
        <div class="panel-heading">{% trans "Created / Updated" %}</div>
        <div class="panel-body">
          <h2>{{ import_result.rows_created }} / {{ import_result.rows_updated }}</h2>
        </div>
      </div>
    </div>
    <div class="col-md-3">
      <div class="panel panel-danger">
        <div class="panel-heading">{% trans "Errors" %}</div>
        <div class="panel-body"><h2>{{ import_result.errors|length }}</h2></div>
      </div>
    </div>
  </div>

  {% if import_result.errors %}
  <div class="panel panel-danger">
    <div class="panel-heading"><strong>{% trans "Error detail" %}</strong></div>
    <table class="table table-condensed">
      <thead>
        <tr>
          <th>{% trans "Row" %}</th>
          <th>{% trans "Identifier" %}</th>
          <th>{% trans "Error" %}</th>
        </tr>
      </thead>
      <tbody>
        {% for err in import_result.errors %}
        <tr>
          <td>{{ err.row_num }}</td>
          <td><code>{{ err.identifier }}</code></td>
          <td>{{ err.message }}</td>
        </tr>
        {% endfor %}
      </tbody>
    </table>
  </div>
  {% endif %}

  {% if dry_run_used and import_result.rows_ok %}
  <form method="post" enctype="multipart/form-data">
    {% csrf_token %}
    <p class="text-muted">
      <em>{% trans "To commit the rows above, re-submit the same CSV with 'Dry run' unchecked." %}</em>
    </p>
  </form>
  {% endif %}
  {% endif %}
</div>

<link rel="stylesheet" href="{% static 'tcms_requirements/css/requirements.css' %}">
{% endblock %}