{% extends "core/base.html" %}
{% load lyric_extras %}

{% block title_text %}Billpost{% endblock title_text %}
{% block header_text %}<span>Bill</span><span>post</span>{% endblock header_text %}


{% block content %}
{# Hidden owner span — preserves the existing FT contract that reads the    #}
{# post owner via #id_post_owner. Visible owner attribution moved into the  #}
{# self line ("just me, …" / "& me, …") below.                              #}
<span id="id_post_owner" hidden>{{ post.owner|display_name }}</span>

<div class="post-page">
    <header class="post-header">
        <h3 class="post-title">{{ post.title }}</h3>
        {% if viewer_is_owner %}
            {# Owner viewing — owner-centric prose. "shared between" lists  #}
            {# every recipient; the self line is the owner's own handle.    #}
            {% if other_recipients %}
                <p class="post-shared-recipients">shared between {% for r in other_recipients %}<span class="post-recipient post-attribution" data-user-id="{{ r.id }}">{{ r|at_handle }}</span>{% if not forloop.last %}, {% endif %}{% endfor %}</p>
                <p class="post-shared-self">&amp; me, <span class="post-attribution">{{ post.owner|at_handle }} the {{ post.owner.active_title_display }}</span></p>
            {% else %}
                <p class="post-shared-self">just me, <span class="post-attribution">{{ post.owner|at_handle }} the {{ post.owner.active_title_display }}</span></p>
            {% endif %}
        {% else %}
            {# Invitee viewing — "shared with" prose centred on the viewer   #}
            {# (request.user). Sole invitee collapses to a single line; the  #}
            {# "created by …" line attributes the post to its founder.      #}
            {% if other_recipients %}
                <p class="post-shared-recipients">shared with {% for r in other_recipients %}<span class="post-recipient post-attribution" data-user-id="{{ r.id }}">{{ r|at_handle }}</span>{% if not forloop.last %}, {% endif %}{% endfor %}</p>
                <p class="post-shared-self">&amp; me, <span class="post-attribution">{{ request.user|at_handle }} the {{ request.user.active_title_display }}</span></p>
            {% else %}
                <p class="post-shared-self">shared with me, <span class="post-attribution">{{ request.user|at_handle }} the {{ request.user.active_title_display }}</span></p>
            {% endif %}
            <p class="post-created-by">created by <span class="post-attribution">{{ post.owner|at_handle }} the {{ post.owner.active_title_display }}</span></p>
        {% endif %}
    </header>

    <ul id="id_post_table" class="post-lines">
        {% for line in post.lines.all %}
            <li class="post-line {% if line.author.username == 'adman' %}post-line--system{% endif %}">
                <span class="post-line-author">{{ line.author|at_handle }}</span>
                <span class="post-line-text">{# adman-authored Lines (note unlock + share invite system prose) carry an `<a class="note-ref">` anchor that needs to render as HTML. User-typed Lines stay escaped. #}{% if line.author.username == 'adman' %}{{ line.text|safe }}{% else %}{{ line.text }}{% endif %}</span>
                <time class="post-line-time" datetime="{{ line.created_at|date:'c' }}">{{ line.created_at|relative_ts }}</time>
            </li>
        {% endfor %}
        <li class="post-line-buffer" aria-hidden="true"></li>
    </ul>

    {# Admin-Post (note-unlock thread) input is read-only: the user can't  #}
    {# respond, and the placeholder calls that out. View_post hard-rejects #}
    {# POSTs to NOTE_UNLOCK posts; the post_save Line signal is the safety #}
    {# net for ORM-level / API writes that bypass the view.               #}
    {% if post.kind == 'note_unlock' %}
        <form id="id_post_line_form" class="post-line-form">
            <input
                id="id_post_line_text"
                name="text"
                class="form-control"
                placeholder="No response needed at this time"
                readonly
            />
        </form>
    {% else %}
        <form id="id_post_line_form" method="POST" action="{% url 'billboard:view_post' post.id %}" class="post-line-form">
            {% csrf_token %}
            <input
                id="id_post_line_text"
                name="text"
                class="form-control{% if form.errors.text %} is-invalid{% endif %}"
                placeholder="Enter a post line"
                value="{{ form.text.value|default:'' }}"
                aria-describedby="id_post_line_feedback"
                required
            />
            {% if form.errors %}
                <div id="id_post_line_feedback" class="invalid-feedback">
                    {{ form.errors.text.0 }}
                </div>
            {% endif %}
        </form>
    {% endif %}

    {# Bud btn (bottom-left) + slide-out recipient field — async share.  #}
    {# Suppressed on admin Posts (note unlock thread) since friend-invites #}
    {# don't apply to system-authored threads.                             #}
    {% if post.kind != 'note_unlock' %}
        {% include "apps/billboard/_partials/_bud_panel.html" %}
    {% endif %}

    {# Gear btn (bottom-right) + menu — NVM always; DEL (owner) / BYE     #}
    {# (invitee) gated to user-Posts.                                     #}
    {% include "apps/billboard/_partials/_post_gear.html" %}
</div>
{% endblock content %}

{% block scripts %}
    {% include "apps/dashboard/_partials/_scripts.html" %}
{% endblock scripts %}