{% extends "../base.html" %}
{% load crispy_forms_tags %}

{% block page_title %}Assessments{% endblock page_title %}

{% block content %}
<div class="row">
  <div class="col-md-12 col-sm-12 col-xs-12">
    <div class="x_panel">
      <div class="x_title">
        <h2>Assessments</h2>
        <ul class="nav navbar-right panel_toolbox">
          <li><a class="collapse-link"><i class="fa fa-chevron-up"></i></a></li>
        </ul>
        <div class="clearfix"></div>

        <!-- Breadcrumbs -->
        <nav aria-label="breadcrumb" class="mb-4">
          <ol class="breadcrumb" style="margin-bottom:6px;">
            <li class="breadcrumb-item"><a href="#">Results</a></li>
            <li class="breadcrumb-item active" aria-current="page">Assessments</li>
          </ol>
        </nav>

        <!-- Top actions -->
        <div class="d-flex justify-content-between align-items-center">
          <small class="text-muted">Use filters to narrow assessments. Create directly via the button.</small>
          {% if not is_teacher_role %}
          <button type="button" class="btn btn-success btn-sm" data-toggle="modal" data-target="#createAssessmentModal">
            <i class="fa fa-plus"></i> Create Assessment
          </button>
          {% endif %}
        </div>
      </div>

      <div class="x_content">
        <!-- Filter toolbar -->
        <form method="get" class="form-horizontal form-label-left" id="assessmentFiltersForm">
          <div class="row filter-toolbar sticky">
            <div class="col-md-3 col-sm-6 mb-10">
              <label for="year_id" class="small text-muted">Academic Year</label>
              <select id="year_id" name="year_id" class="form-control">
                <option value="">All Years</option>
                {% for y in academic_years %}
                  <option value="{{ y.id }}" {% if selected_year_id == y.id|stringformat:"s" %}selected{% endif %}>
                    {{ y.academic_year }}
                  </option>
                {% endfor %}
              </select>
            </div>

            <div class="col-md-3 col-sm-6 mb-10">
              <label for="term_id" class="small text-muted">Term</label>
              <select id="term_id" name="term_id" class="form-control">
                <option value="">All Terms</option>
                {% for t in terms %}
                  <option value="{{ t.id }}" {% if selected_term_id == t.id|stringformat:"s" %}selected{% endif %}>
                    {{ t.get_term_display }}
                  </option>
                {% endfor %}
              </select>
            </div>

            <div class="col-md-3 col-sm-6 mb-10">
              <label for="class_id" class="small text-muted">Class</label>
              <select id="class_id" name="class_id" class="form-control">
                <option value="">All Classes</option>
                {% for c in classes %}
                  <option value="{{ c.id }}" {% if selected_class_id == c.id|stringformat:"s" %}selected{% endif %}>
                    {{ c.name }}
                  </option>
                {% endfor %}
              </select>
            </div>

            <div class="col-md-3 col-sm-6 mb-10">
              <label for="subject_id" class="small text-muted">Subject</label>
              <select id="subject_id" name="subject_id" class="form-control">
                <option value="">All Subjects</option>
                {% for s in subjects %}
                  <option value="{{ s.id }}" {% if selected_subject_id == s.id|stringformat:"s" %}selected{% endif %}>
                    {{ s.name }}
                  </option>
                {% endfor %}
              </select>
            </div>

            <div class="col-md-3 col-sm-6 mb-10">
              <label for="assessment_type_id" class="small text-muted">Assessment Type</label>
              <select id="assessment_type_id" name="assessment_type_id" class="form-control">
                <option value="">All Types</option>
                {% for at in assessment_types %}
                  <option value="{{ at.id }}" {% if selected_assessment_type_id == at.id|stringformat:"s" %}selected{% endif %}>
                    {{ at.name }}
                  </option>
                {% endfor %}
              </select>
            </div>

            <div class="col-md-3 col-sm-6 mb-10">
              <label for="is_done" class="small text-muted">Done</label>
              <select id="is_done" name="is_done" class="form-control">
                <option value="" {% if selected_is_done == "" %}selected{% endif %}>All</option>
                <option value="yes" {% if selected_is_done == "yes" %}selected{% endif %}>Yes</option>
                <option value="no" {% if selected_is_done == "no" %}selected{% endif %}>No</option>
              </select>
            </div>

            <div class="col-md-3 col-sm-6 mb-10">
              <label for="verification_status" class="small text-muted">Verification</label>
              <select id="verification_status" name="verification_status" class="form-control">
                <option value="" {% if verification_status == "" %}selected{% endif %}>All</option>
                <option value="PENDING_OR_DRAFT" {% if verification_status == "PENDING_OR_DRAFT" %}selected{% endif %}>Pending + Draft</option>
                <option value="PENDING" {% if verification_status == "PENDING" %}selected{% endif %}>Pending</option>
                <option value="VERIFIED" {% if verification_status == "VERIFIED" %}selected{% endif %}>Verified</option>
                <option value="FLAGGED" {% if verification_status == "FLAGGED" %}selected{% endif %}>Flagged</option>
              </select>
            </div>

            <div class="col-md-2 col-sm-6 mb-10">
              <label for="date_from" class="small text-muted">Date From</label>
              <input type="date" id="date_from" name="date_from" value="{{ date_from }}" class="form-control" />
            </div>

            <div class="col-md-2 col-sm-6 mb-10">
              <label for="date_to" class="small text-muted">Date To</label>
              <input type="date" id="date_to" name="date_to" value="{{ date_to }}" class="form-control" />
            </div>

            <div class="col-md-2 col-sm-12 mb-10 d-flex align-items-end">
              <button type="submit" class="btn btn-dark mr-2">
                <i class="fa fa-filter mr-1"></i> Apply
              </button>
              <a href="?" class="btn btn-default">Reset</a>
            </div>

            <div class="col-md-12">
              <div class="mt-10">
                <span class="badge badge-secondary p-2">
                  Showing {{ assessments|length|default:0 }} assessment{{ assessments|length|pluralize }}
                </span>
              </div>
            </div>

            <!-- Quick chips -->
            <div class="col-md-12">
              <div class="chips-scroll">
                {% for at in assessment_types %}
                  <a class="chip chip-alt {% if selected_assessment_type_id == at.id|stringformat:"s" %}active{% endif %}"
                     href="?assessment_type_id={{ at.id }}{% if selected_year_id %}&year_id={{ selected_year_id }}{% endif %}{% if selected_term_id %}&term_id={{ selected_term_id }}{% endif %}{% if verification_status %}&verification_status={{ verification_status }}{% endif %}">
                    {{ at.name }}
                  </a>
                {% endfor %}
                <a class="chip {% if selected_is_done == 'yes' %}active{% endif %}" href="?is_done=yes{% if verification_status %}&verification_status={{ verification_status }}{% endif %}">Done</a>
                <a class="chip {% if selected_is_done == 'no' %}active{% endif %}" href="?is_done=no{% if verification_status %}&verification_status={{ verification_status }}{% endif %}">Not Done</a>
                <a class="chip {% if verification_status == 'PENDING_OR_DRAFT' %}active{% endif %}" href="?verification_status=PENDING_OR_DRAFT">Pending + Draft</a>
                <a class="chip {% if verification_status == 'PENDING' %}active{% endif %}" href="?verification_status=PENDING">Pending</a>
                <a class="chip {% if verification_status == 'VERIFIED' %}active{% endif %}" href="?verification_status=VERIFIED">Verified</a>
                <a class="chip {% if verification_status == 'FLAGGED' %}active{% endif %}" href="?verification_status=FLAGGED">Flagged</a>
              </div>
            </div>
          </div>
        </form>

        <!-- Data table -->
        <table class="table table-striped table-bordered datatable" style="width:100%">
          <thead>
            <tr>
              <th>Class</th>
              <th>Type</th>
              <th>Subject</th>
              <th>Date</th>
              <th>Out Of</th>
              <th>Done</th>
              {% if not is_teacher_role %}
              <th style="width:160px;">Actions</th>
              {% endif %}
            </tr>
          </thead>
          <tbody>
            {% for assessment in assessments %}
              <tr>
                <td>{{ assessment.academic_class }}</td>
                <td><span class="badge badge-info">{{ assessment.assessment_type }}</span></td>
                <td><span class="badge badge-light">{{ assessment.subject }}</span></td>
                <td>{{ assessment.date|date:"M j, Y" }}</td>
                <td><span class="badge badge-dark">{{ assessment.out_of }}</span></td>
                <td>
                  {% if assessment.is_done %}
                    <span class="badge badge-success">Yes</span>
                  {% else %}
                    <span class="badge badge-secondary">No</span>
                  {% endif %}
                </td>
                {% if not is_teacher_role %}
                <td class="text-center">
                  <div class="btn-group btn-group-sm" role="group" aria-label="Actions">
                    <a href="{% url 'edit_assessment_page' assessment.id %}" class="btn btn-warning" title="Edit Assessment">
                      <i class="fa fa-edit"></i>
                    </a>
                    <a href="{% url 'delete_assessment' assessment.id %}" class="btn btn-danger" onclick="return confirm('Delete this assessment?');" title="Delete Assessment">
                      <i class="fa fa-trash"></i>
                    </a>
                  </div>
                </td>
                {% endif %}
              </tr>
            {% empty %}
              <tr>
                <td colspan="7" class="text-center">No assessments found. Adjust filters above.</td>
              </tr>
            {% endfor %}
          </tbody>
        </table>
      </div>
    </div>
  </div>
</div>

<!-- Create Assessment Modal -->
<div class="modal fade" id="createAssessmentModal" tabindex="-1" role="dialog" aria-labelledby="createAssessmentModalLabel" aria-hidden="true">
  <div class="modal-dialog modal-lg" role="document">
    <div class="modal-content border-0 shadow">
      <div class="modal-header bg-dark text-white">
        <h4 class="modal-title" id="createAssessmentModalLabel">
          <i class="fa fa-plus-circle"></i> Create New Assessment
        </h4>
        <button type="button" class="close text-white" data-dismiss="modal" aria-label="Close">
          <span aria-hidden="true">&times;</span>
        </button>
      </div>
      <div class="modal-body">
        <div class="alert alert-info" role="alert" style="margin-bottom: 12px;">
          <strong>Tip:</strong> Use <em>Bulk Subjects</em> to create one assessment type for multiple subjects in a single action.
        </div>

        <form method="post" class="form-horizontal form-label-left" action="{% url 'assessment_create' %}">
          {% csrf_token %}

          <div class="form-group">
            <label class="control-label col-md-4 col-sm-4 col-xs-12">Creation Mode</label>
            <div class="col-md-8 col-sm-8 col-xs-12">
              <div class="btn-group" role="group" aria-label="Creation Mode">
                <button type="button" class="btn btn-dark" id="modeSingleBtn">Single Subject</button>
                <button type="button" class="btn btn-default" id="modeBulkBtn">Bulk Subjects</button>
              </div>
              <input type="hidden" name="bulk_subjects" id="bulk_subjects" value="0" />
            </div>
          </div>

          <div id="singleAssessmentSection">
            {{ form|crispy }}
          </div>

          <div id="bulkAssessmentSection" style="display:none;">
            {{ bulk_form|crispy }}
          </div>

          <div class="ln_solid"></div>
          <div class="form-group">
            <div class="col-md-6 col-sm-6 col-xs-12">
              <button type="button" class="btn btn-outline-secondary" data-dismiss="modal">Cancel</button>
              <button type="submit" class="btn btn-success">Save Assessment</button>
            </div>
          </div>
        </form>
      </div>
    </div>
  </div>
</div>

<style>
  .filter-toolbar .mb-10 { margin-bottom: 10px; }
  .filter-toolbar .mt-10 { margin-top: 10px; }
  .filter-toolbar.sticky {
    position: sticky; top: 0; z-index: 2; background: #fff; padding-top: 8px; padding-bottom: 8px;
    border-bottom: 1px solid #f0f0f0;
  }
  .chips-scroll {
    display: flex; gap: 8px; overflow-x: auto; padding: 6px 0;
  }
  .chip {
    display: inline-block; padding: 6px 10px; border-radius: 16px; background: #f3f4f6; color: #374151;
    text-decoration: none; border: 1px solid #e5e7eb; white-space: nowrap; font-size: 12px;
  }
  .chip:hover { background: #e5e7eb; }
  .chip.active { background: #2c3e50; color: #fff; border-color: #2c3e50; }
  .chip-alt { background: #eef2ff; border-color: #e0e7ff; }
  .chip-alt.active { background: #6366f1; border-color: #6366f1; color: #fff; }
</style>

<script>
  (function() {
    var form = document.getElementById('assessmentFiltersForm');
    ['year_id','term_id','class_id','subject_id','assessment_type_id','is_done','date_from','date_to'].forEach(function(id){
      var el = document.getElementById(id);
      if (el) {
        el.addEventListener('change', function(){ form.submit(); });
      }
    });
  })();
</script>
<script>
  (function() {
    try {
      var params = new URLSearchParams(window.location.search);
      var shouldOpen = params.get('open_modal');
      if (shouldOpen) {
        $('#createAssessmentModal').modal('show');
      }
      // Prefill modal fields where possible using current filters
      var subj = "{{ selected_subject_id|default:'' }}";
      if (subj) {
        var elS = document.getElementById('id_subject');
        if (elS) elS.value = subj;
      }
      var at = "{{ selected_assessment_type_id|default:'' }}";
      if (at) {
        var elT = document.getElementById('id_assessment_type');
        if (elT) elT.value = at;
      }
      var ac = params.get('academic_class_id') || '';
      if (ac) {
        var elAC = document.getElementById('id_academic_class');
        if (elAC) elAC.value = ac;
      }
    } catch (e) {}
  })();
</script>
<script>
  (function() {
    var singleBtn = document.getElementById('modeSingleBtn');
    var bulkBtn = document.getElementById('modeBulkBtn');
    var singleSection = document.getElementById('singleAssessmentSection');
    var bulkSection = document.getElementById('bulkAssessmentSection');
    var bulkFlag = document.getElementById('bulk_subjects');

    if (!singleBtn || !bulkBtn || !singleSection || !bulkSection || !bulkFlag) {
      return;
    }

    function toggleSectionInputs(section, disabled) {
      var inputs = section.querySelectorAll('input, select, textarea, button');
      inputs.forEach(function(el) {
        if (el.type === 'hidden') {
          return;
        }
        el.disabled = disabled;
      });
    }

    function setMode(mode) {
      if (mode === 'bulk') {
        singleSection.style.display = 'none';
        bulkSection.style.display = 'block';
        bulkFlag.value = '1';
        toggleSectionInputs(singleSection, true);
        toggleSectionInputs(bulkSection, false);
        bulkBtn.classList.add('btn-dark');
        bulkBtn.classList.remove('btn-default');
        singleBtn.classList.add('btn-default');
        singleBtn.classList.remove('btn-dark');
      } else {
        singleSection.style.display = 'block';
        bulkSection.style.display = 'none';
        bulkFlag.value = '0';
        toggleSectionInputs(singleSection, false);
        toggleSectionInputs(bulkSection, true);
        singleBtn.classList.add('btn-dark');
        singleBtn.classList.remove('btn-default');
        bulkBtn.classList.add('btn-default');
        bulkBtn.classList.remove('btn-dark');
      }
    }

    singleBtn.addEventListener('click', function() { setMode('single'); });
    bulkBtn.addEventListener('click', function() { setMode('bulk'); });

    var params = new URLSearchParams(window.location.search);
    var openModal = params.get('open_modal');
    if (openModal === 'bulk') {
      setMode('bulk');
    } else {
      setMode('single');
    }
  })();
</script>
{% endblock content %}