{% extends "modal_base.html" %}

{% block modal_class %}w-11/12 max-w-[90ch] max-h-[95%] overflow-y-auto{% endblock %}

{# title-form, auto-save-form, ingest-form, archive-form — override modal_base
   wrapper blocks so these are not nested inside #modal_form. #}
{% block modal_form_open %}<div class="contents">{% endblock %}
{% block modal_form_close %}</div>{% endblock %}

{% block modal_content %}
<h3 class="text-xl font-extrabold tracking-tight">
  <div class="flex items-center gap-2 {% if is_editing_title %}hidden{% endif %}" id="title-container">
    <span class="font-semibold text-lg flex-1 truncate" id="title-display">{{ scratchpad.title }}</span>
    <button type="button" onclick="editTitle()" class="nb-btn nb-btn-sm btn-ghost">
      {% include "icons/edit_icon.html" %} Edit title
    </button>
  </div>

  <!-- Hidden title form -->
  <form id="title-form" hx-patch="/scratchpad/{{ scratchpad.id }}/title" hx-target="#body_modal" hx-swap="outerHTML"
    class="{% if not is_editing_title %}hidden{% endif %} flex items-center gap-2">
    <input type="text" name="title" value="{{ scratchpad.title }}"
           class="nb-input nb-input-sm font-semibold text-lg flex-1" id="title-input" {% if is_editing_title %}autofocus{% endif %}>
    <button type="submit" class="nb-btn nb-btn-sm">{% include "icons/check_icon.html" %}</button>
    <button type="button" onclick="cancelEditTitle()" class="nb-btn nb-btn-sm btn-ghost">{% include "icons/x_icon.html" %}</button>
  </form>
</h3>

  <div class="flex flex-col gap-3">
    <div class="text-xs text-base-content/50 flex items-center gap-2">
      <span>Last saved: <span id="last-saved">{{ scratchpad.last_saved_at | datetimeformat(format="short", tz=user.timezone) }}</span></span>
      <span id="save-status"
        class="inline-flex items-center gap-1 text-success opacity-0 transition-opacity duration-300 pointer-events-none">
        {% include "icons/check_icon.html" %} <span class="uppercase tracking-wider text-[0.7em]">Saved</span>
      </span>
    </div>

  <form id="auto-save-form"
      hx-patch="/scratchpad/{{ scratchpad.id }}/auto-save"
      hx-trigger="keyup changed delay:2s, focusout delay:150ms"
      hx-indicator="#save-indicator"
      hx-swap="none"
    class="flex flex-col gap-2">
    <label class="w-full">
      <textarea name="content" id="scratchpad-content"
        class="nb-input w-full min-h-[60vh] resize-none font-mono text-sm"
        placeholder="Start typing your thoughts... (Tab to indent, Shift+Tab to outdent)"
        autofocus>{{ scratchpad.content }}</textarea>
    </label>

    <div class="flex items-center justify-between">
      <div class="flex items-center gap-2">
        <div id="save-indicator" class="htmx-indicator text-sm text-base-content/50 hidden">
          {% include "icons/refresh_icon.html" %} Saving...
        </div>
      </div>
      <div class="text-sm text-base-content/50">
        <span id="char-count">{{ scratchpad.content|length }}</span> characters
      </div>
    </div>
  </form>

  <div id="action-row" class="flex gap-2 justify-between items-center">
    <form hx-post="/scratchpad/{{ scratchpad.id }}/ingest"
      hx-target="#main_section"
      hx-swap="outerHTML"
      hx-on::after-request="if(event.detail.successful) document.getElementById('body_modal').close()"
      class="inline flex flex-col gap-3"
      id="ingest-form">
      <button type="button" class="nb-btn nb-cta" data-role="ingest-trigger"
        hx-on:mousedown="event.preventDefault(); toggleIngestConfirmation(true)">
        {% include "icons/send_icon.html" %} Ingest as Content
      </button>
      <div id="ingest-warning"
        class="nb-card bg-warning/10 border border-warning text-warning-content text-sm leading-relaxed flex flex-col gap-2 p-3 hidden">
        <div>
          <strong class="font-semibold text-warning">Before you ingest</strong>
          <p>
            This will archive the scratchpad right away. After ingestion finishes you can review the content from the
            <a href="/content" class="nb-link">Content</a> page, and archived scratchpads remain available below with a restore option.
          </p>
        </div>
        <div class="flex items-center gap-2">
          <button type="submit" class="nb-btn nb-btn-sm nb-cta">
            Confirm ingest
          </button>
          <button type="button" class="nb-btn nb-btn-sm btn-ghost"
            hx-on:click="toggleIngestConfirmation(false)">
            Cancel
          </button>
        </div>
      </div>
    </form>

    <form id="archive-form" hx-post="/scratchpad/{{ scratchpad.id }}/archive" hx-target="#main_section"
      hx-swap="outerHTML" hx-on::after-request="if(event.detail.successful) document.getElementById('body_modal').close()"
      class="inline">
      <button type="submit" class="nb-btn nb-btn-ghost text-warning">
        {% include "icons/delete_icon.html" %} Archive
      </button>
    </form>
  </div>
</div>

<script>
// Title editing functions
function editTitle() {
  const titleContainer = document.getElementById('title-container');
  const titleForm = document.getElementById('title-form');
  const titleInput = document.getElementById('title-input');
  if (!titleContainer || !titleForm) return;

  titleContainer.classList.add('hidden');
  titleForm.classList.remove('hidden');

  if (titleInput) {
    titleInput.focus();
    titleInput.select();
  }
}

function cancelEditTitle() {
  const titleContainer = document.getElementById('title-container');
  const titleForm = document.getElementById('title-form');
  if (!titleContainer || !titleForm) return;

  titleContainer.classList.remove('hidden');
  titleForm.classList.add('hidden');
}

(function initScratchpadModal() {
  const modal = document.getElementById('body_modal');
  if (!modal) return;

  const textarea = modal.querySelector('#scratchpad-content');
  const charCount = modal.querySelector('#char-count');
  const lastSaved = modal.querySelector('#last-saved');
  const saveStatus = modal.querySelector('#save-status');
  const autoSaveForm = modal.querySelector('#auto-save-form');
  const ingestWarning = modal.querySelector('#ingest-warning');
  const ingestForm = modal.querySelector('#ingest-form');
  const actionRow = modal.querySelector('#action-row');
  let saveStatusTimeout;

  const updateCharCount = () => {
    if (!textarea || !charCount) return;
    charCount.textContent = textarea.value.length;
  };

  const autoResize = () => {
    if (!textarea) return;
    textarea.style.height = 'auto';
    textarea.style.height = `${textarea.scrollHeight}px`;
  };

  if (textarea) {
    textarea.addEventListener('input', () => {
      updateCharCount();
      autoResize();
    });

    // Tab support - insert 4 spaces or handle outdenting
    textarea.addEventListener('keydown', (e) => {
      if (e.key === 'Tab') {
        e.preventDefault();

        const start = textarea.selectionStart;
        const end = textarea.selectionEnd;
        const value = textarea.value;

        if (e.shiftKey) {
          // Shift+Tab: Outdent - remove up to 4 spaces from start of current line
          const lineStart = value.lastIndexOf('\n', start - 1) + 1;
          const currentLine = value.substring(lineStart, start);
          const leadingSpaces = currentLine.match(/^ */)?.[0]?.length || 0;
          const spacesToRemove = Math.min(4, leadingSpaces);

          if (spacesToRemove > 0) {
            textarea.value = value.substring(0, lineStart) +
                           currentLine.substring(spacesToRemove) +
                           value.substring(start);

            // Adjust cursor position
            textarea.selectionStart = textarea.selectionEnd = start - spacesToRemove;
          }
        } else {
          // Tab: Indent - insert 4 spaces at cursor position
          textarea.value = value.substring(0, start) + '    ' + value.substring(end);

          // Restore cursor position after inserted spaces
          textarea.selectionStart = textarea.selectionEnd = start + 4;
        }

        // Trigger input event to update character count and auto-resize
        textarea.dispatchEvent(new Event('input'));
      }
    });

    updateCharCount();
    autoResize();
  }

  if (autoSaveForm) {
    autoSaveForm.addEventListener('htmx:beforeRequest', (evt) => {
      if (evt.detail.elt !== autoSaveForm) return;
      if (saveStatus) {
        saveStatus.classList.add('opacity-0');
        saveStatus.classList.remove('opacity-100');
      }
    });

    autoSaveForm.addEventListener('htmx:afterRequest', (evt) => {
      if (evt.detail.elt !== autoSaveForm) return;
      if (!evt.detail.successful) return;

      const xhr = evt.detail.xhr;
      if (xhr && xhr.responseText) {
        try {
          const data = JSON.parse(xhr.responseText);
          if (data.last_saved_at_display && lastSaved) {
            lastSaved.textContent = data.last_saved_at_display;
          }
        } catch (_) {
          // Ignore JSON parse errors
        }
      }

      if (saveStatus) {
        if (saveStatusTimeout) {
          clearTimeout(saveStatusTimeout);
        }
        saveStatus.classList.remove('opacity-0');
        saveStatus.classList.add('opacity-100');
        saveStatusTimeout = setTimeout(() => {
          saveStatus.classList.add('opacity-0');
          saveStatus.classList.remove('opacity-100');
        }, 2000);
      }
    });
  }

  if (ingestForm) {
    ingestForm.addEventListener('htmx:afterRequest', (evt) => {
      if (evt.detail.elt !== ingestForm) return;
      toggleIngestConfirmation(false);
    });
  }
})();

function toggleIngestConfirmation(show) {
  const modal = document.getElementById('body_modal');
  if (!modal) return;

  const warning = modal.querySelector('#ingest-warning');
  const actionRow = modal.querySelector('#action-row');
  const ingestForm = modal.querySelector('#ingest-form');
  const archiveForm = modal.querySelector('#archive-form');
  const ingestButton = modal.querySelector('[data-role="ingest-trigger"]');
  const confirmButton = warning ? warning.querySelector('button[type="submit"]') : null;
  if (!warning || !ingestButton || !actionRow || !ingestForm) return;

  if (show) {
    warning.classList.remove('hidden');
    ingestButton.classList.add('hidden');
    actionRow.classList.add('flex-col', 'items-stretch');
    actionRow.classList.remove('items-center', 'justify-between');
    ingestForm.classList.add('w-full');
    if (archiveForm) {
      archiveForm.classList.add('w-full');
    }
    if (confirmButton) {
      confirmButton.focus();
    }
  } else {
    warning.classList.add('hidden');
    ingestButton.classList.remove('hidden');
    actionRow.classList.remove('flex-col', 'items-stretch');
    actionRow.classList.add('items-center', 'justify-between');
    ingestForm.classList.remove('w-full');
    if (archiveForm) {
      archiveForm.classList.remove('w-full');
    }
  }
}
</script>
{% endblock %}

{% block primary_actions %}
<!-- No additional actions needed -->
{% endblock %}