{% extends "base.html" %}
{% block title %}{{ ticket.ticket_number }}{% endblock %}
{% block page_title %}{{ ticket.ticket_number }}{% endblock %}

{% block content %}
<div class="row g-4">
  <!-- Main column -->
  <div class="col-lg-8">

    <!-- Ticket header -->
    <div class="ticket-header mb-4">
      <div class="d-flex align-items-start justify-content-between gap-3 mb-3">
        <h2 style="font-size:20px;font-weight:700;line-height:1.3;margin:0;">{{ ticket.title }}</h2>
        <div class="d-flex gap-2 flex-shrink-0">
          <span class="badge badge-{{ ticket.priority }}">{{ ticket.priority.upper() }}</span>
          <span class="badge badge-{{ ticket.status }}">{{ ticket.status.replace('_',' ').upper() }}</span>
        </div>
      </div>
      <div class="d-flex flex-wrap gap-3" style="font-size:12px;color:var(--muted);">
        <span><i class="bi bi-hash me-1"></i><span class="mono">{{ ticket.ticket_number }}</span></span>
        <span><i class="bi bi-person me-1"></i>{{ ticket.creator.full_name }}</span>
        <span><i class="bi bi-tag me-1"></i>{{ ticket.category.replace('_',' ').title() }}</span>
        <span><i class="bi bi-calendar3 me-1"></i>{{ ticket.created_at.strftime('%b %d, %Y %H:%M') }}</span>
        {% if ticket.location %}<span><i class="bi bi-geo-alt me-1"></i>{{ ticket.location }}</span>{% endif %}
        {% if ticket.asset_tag %}<span><i class="bi bi-cpu me-1"></i>{{ ticket.asset_tag }}</span>{% endif %}
        {% if ticket.ai_generated %}<span style="color:var(--accent3);"><i class="bi bi-robot me-1"></i>AI-generated</span>{% endif %}
      </div>
    </div>

    <!-- Description -->
    <div class="card mb-4">
      <div class="card-header"><i class="bi bi-file-text me-2"></i>Description</div>
      <div class="card-body" style="white-space:pre-wrap;font-size:14px;line-height:1.7;">{{ ticket.description }}</div>
    </div>

    <!-- Attachments on ticket -->
    {% set ticket_atts = ticket.attachments.filter_by(comment_id=None).all() %}
    {% if ticket_atts %}
    <div class="card mb-4">
      <div class="card-header"><i class="bi bi-paperclip me-2"></i>Attachments</div>
      <div class="card-body d-flex flex-wrap gap-2">
        {% for att in ticket_atts %}
        <a href="{{ url_for('tickets.download_attachment', att_id=att.id) }}"
           class="btn btn-secondary btn-sm">
          <i class="bi bi-download me-1"></i>{{ att.filename }}
          <span style="font-size:10px;color:var(--muted);">({{ (att.file_size/1024)|int }}KB)</span>
        </a>
        {% endfor %}
      </div>
    </div>
    {% endif %}

    <!-- Resolution notes (IT only, or if resolved) -->
    {% if ticket.resolution_notes %}
    <div class="card mb-4" style="border-color:var(--success);">
      <div class="card-header" style="background:rgba(45,212,191,.08);color:var(--success);">
        <i class="bi bi-check-circle me-2"></i>Resolution Notes
      </div>
      <div class="card-body" style="white-space:pre-wrap;font-size:14px;">{{ ticket.resolution_notes }}</div>
    </div>
    {% endif %}

    <!-- Comments -->
    <div class="mb-3 d-flex align-items-center justify-content-between">
      <h5 style="font-size:16px;font-weight:700;margin:0;">
        <i class="bi bi-chat-dots me-2"></i>Comments
        <span style="font-size:13px;color:var(--muted);">({{ comments|length }})</span>
      </h5>
    </div>

    {% for comment in comments %}
    <div class="comment-card {% if comment.is_internal %}internal{% endif %}" id="comment-{{ comment.id }}">
      <div class="d-flex align-items-center justify-content-between mb-2">
        <div class="d-flex align-items-center gap-2">
          <div style="width:28px;height:28px;border-radius:50%;background:var(--accent2);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;">
            {{ comment.author.full_name[0].upper() }}
          </div>
          <span class="comment-author">{{ comment.author.full_name }}</span>
          {% if comment.author.is_it_staff %}
            <span style="font-size:10px;background:rgba(0,180,216,.15);color:var(--accent3);padding:1px 7px;border-radius:4px;font-weight:600;">IT STAFF</span>
          {% endif %}
          {% if comment.is_internal %}
            <span style="font-size:10px;background:rgba(251,191,36,.15);color:var(--warning);padding:1px 7px;border-radius:4px;font-weight:600;">INTERNAL NOTE</span>
          {% endif %}
        </div>
        <div class="d-flex align-items-center gap-2">
          <span class="comment-time">{{ comment.created_at.strftime('%b %d, %Y %H:%M') }}</span>
          {% if current_user.is_it_staff or comment.author_id == current_user.id %}
          <form method="POST" action="{{ url_for('tickets.delete_comment', comment_id=comment.id) }}"
                onsubmit="return confirm('Delete this comment?');">
            <input type="hidden" name="csrf_token" value="{{ csrf_token() }}"/>
            <button type="submit" class="btn btn-sm" style="background:none;border:none;color:var(--muted);padding:2px 6px;"
                    title="Delete comment">
              <i class="bi bi-trash"></i>
            </button>
          </form>
          {% endif %}
        </div>
      </div>
      <div class="comment-body">{{ comment.body }}</div>
      <!-- Comment attachments -->
      {% set c_atts = comment.attachments.all() %}
      {% if c_atts %}
      <div class="mt-2 d-flex flex-wrap gap-2">
        {% for att in c_atts %}
        <a href="{{ url_for('tickets.download_attachment', att_id=att.id) }}" class="btn btn-secondary btn-sm">
          <i class="bi bi-download me-1"></i>{{ att.filename }}
        </a>
        {% endfor %}
      </div>
      {% endif %}
    </div>
    {% else %}
    <div class="p-4 text-center" style="color:var(--muted);font-size:13px;">
      <i class="bi bi-chat" style="font-size:28px;display:block;margin-bottom:8px;"></i>
      No comments yet. Be the first to add an update.
    </div>
    {% endfor %}

    <!-- Add comment -->
    {% if ticket.status not in ('closed',) %}
    <div class="card mt-4">
      <div class="card-header"><i class="bi bi-chat-plus me-2"></i>Add Comment</div>
      <div class="card-body">
        <form method="POST" enctype="multipart/form-data">
          <input type="hidden" name="csrf_token" value="{{ csrf_token() }}"/>
          <div class="mb-3">
            <textarea class="form-control" name="body" rows="4" required
                      placeholder="Add your update, follow-up, or response here…"></textarea>
          </div>
          <div class="mb-3">
            <label class="form-label">Attachments</label>
            <input type="file" class="form-control" name="attachments" multiple
                   accept=".png,.jpg,.jpeg,.gif,.pdf,.doc,.docx,.txt,.zip,.log"/>
          </div>
          {% if current_user.is_it_staff %}
          <div class="mb-3 d-flex align-items-center gap-2">
            <input type="checkbox" id="is_internal" name="is_internal" style="accent-color:var(--warning);"/>
            <label for="is_internal" style="font-size:13px;color:var(--warning);margin:0;cursor:pointer;">
              <i class="bi bi-lock me-1"></i>Internal note (IT staff only)
            </label>
          </div>
          {% endif %}
          <button type="submit" class="btn btn-primary">
            <i class="bi bi-send me-2"></i>Post Comment
          </button>
        </form>
      </div>
    </div>
    {% endif %}
  </div>

  <!-- Sidebar column -->
  <div class="col-lg-4">

    <!-- IT Update Panel -->
    {% if current_user.is_it_staff %}
    <div class="card mb-3">
      <div class="card-header"><i class="bi bi-pencil-square me-2"></i>Update Ticket</div>
      <div class="card-body">
        <form method="POST" action="{{ url_for('tickets.update_ticket', ticket_id=ticket.id) }}">
          <input type="hidden" name="csrf_token" value="{{ csrf_token() }}"/>
          <div class="mb-3">
            <label class="form-label">Status</label>
            <select class="form-select" name="status">
              {% for s in statuses %}
              <option value="{{ s }}" {% if s == ticket.status %}selected{% endif %}>{{ s.replace('_',' ').title() }}</option>
              {% endfor %}
            </select>
          </div>
          <div class="mb-3">
            <label class="form-label">Priority</label>
            <select class="form-select" name="priority">
              {% for p in priorities %}
              <option value="{{ p }}" {% if p == ticket.priority %}selected{% endif %}>{{ p.title() }}</option>
              {% endfor %}
            </select>
          </div>
          <div class="mb-3">
            <label class="form-label">Assign To</label>
            <select class="form-select" name="assigned_to_id">
              <option value="">— Unassigned —</option>
              {% for staff in it_staff %}
              <option value="{{ staff.id }}" {% if ticket.assigned_to_id == staff.id %}selected{% endif %}>
                {{ staff.full_name }}
              </option>
              {% endfor %}
            </select>
          </div>
          <div class="mb-3">
            <label class="form-label">Due Date</label>
            <input type="date" class="form-control" name="due_date"
                   value="{{ ticket.due_date.strftime('%Y-%m-%d') if ticket.due_date else '' }}"/>
          </div>
          <div class="mb-3">
            <label class="form-label">Resolution Notes</label>
            <textarea class="form-control" name="resolution_notes" rows="3"
                      placeholder="Describe how the issue was resolved…">{{ ticket.resolution_notes or '' }}</textarea>
          </div>
          <div class="mb-3">
            <label class="form-label">Internal Notes <span style="color:var(--warning);">(IT only)</span></label>
            <textarea class="form-control" name="internal_notes" rows="2"
                      placeholder="Private notes for IT team…">{{ ticket.internal_notes or '' }}</textarea>
          </div>
          <button type="submit" class="btn btn-primary w-100">
            <i class="bi bi-check2 me-2"></i>Save Changes
          </button>
        </form>
      </div>
    </div>
    {% endif %}

    <!-- Ticket Info -->
    <div class="card mb-3">
      <div class="card-header"><i class="bi bi-info-circle me-2"></i>Ticket Details</div>
      <div class="card-body" style="font-size:13px;">
        {% macro info_row(icon, label, value) %}
        <div style="display:flex;gap:10px;padding:7px 0;border-bottom:1px solid var(--border);">
          <i class="bi {{ icon }}" style="color:var(--muted);width:16px;text-align:center;margin-top:1px;flex-shrink:0;"></i>
          <div style="color:var(--muted);">{{ label }}</div>
          <div style="margin-left:auto;text-align:right;max-width:55%;">{{ value | safe }}</div>
        </div>
        {% endmacro %}
        {{ info_row('bi-hash', 'Number', '<span class="mono" style="font-size:11px;color:var(--accent3);">'~ticket.ticket_number~'</span>') }}
        {{ info_row('bi-tag', 'Category', ticket.category.replace('_',' ').title()) }}
        {{ info_row('bi-person', 'Submitted by', ticket.creator.full_name) }}
        {{ info_row('bi-person-check', 'Assigned to', ticket.assignee.full_name if ticket.assignee else '—') }}
        {{ info_row('bi-calendar3', 'Created', ticket.created_at.strftime('%b %d, %Y')) }}
        {{ info_row('bi-calendar-check', 'Updated', ticket.updated_at.strftime('%b %d, %Y')) }}
        {% if ticket.due_date %}{{ info_row('bi-alarm', 'Due Date', ticket.due_date.strftime('%b %d, %Y')) }}{% endif %}
        {% if ticket.resolved_at %}{{ info_row('bi-check-circle', 'Resolved', ticket.resolved_at.strftime('%b %d, %Y')) }}{% endif %}
      </div>
    </div>

    <!-- History -->
    {% if history %}
    <div class="card">
      <div class="card-header"><i class="bi bi-clock-history me-2"></i>Change History</div>
      <div class="card-body p-2">
        {% for h in history %}
        <div class="history-item">
          {# ── Field label ── #}
          {% if h.field_name == 'assigned_to' %}
            <strong>Assigned To</strong>
          {% elif h.field_name == 'status' %}
            <strong>Status</strong>
          {% elif h.field_name == 'priority' %}
            <strong>Priority</strong>
          {% else %}
            <strong>{{ h.field_name.replace('_',' ').title() }}</strong>
          {% endif %}

          {# ── Values — format status/priority nicely; keep others as-is ── #}
          {% set old = h.old_value or 'Unassigned' %}
          {% set new = h.new_value or 'Unassigned' %}
          {% if h.field_name in ('status', 'priority') %}
            {% set old = old.replace('_',' ').title() %}
            {% set new = new.replace('_',' ').title() %}
          {% endif %}
          changed from <em>{{ old }}</em> to <em>{{ new }}</em>
          <br>
          <span style="font-size:10px;">by {{ h.changer.full_name }} · {{ h.changed_at.strftime('%b %d %H:%M') }}</span>
        </div>
        {% endfor %}
      </div>
    </div>
    {% endif %}
  </div>
</div>
{% endblock %}