---
export const prerender = false;
import Layout from '../../../../layouts/Layout.astro';
import { API_BASE as apiBase } from '../../../../lib/api';
const { slug } = Astro.params;
---

<Layout title="Proposals">
  <section class="ui-page">
    <div class="ui-container">
      <div class="hero ui-card ui-card-glass">
        <div class="hero-top">
          <div>
            <h1 class="hero-title">Proposals</h1>
            <p class="hero-subtitle">Proposals and decisions</p>
          </div>
          <a href={`/communities/${slug}/proposals/new`} class="ui-btn ui-btn-primary" id="create-btn" style="display: none;">+ New Proposal</a>
        </div>

        <div class="hero-kpis">
          <div class="hero-kpis-label">At a glance</div>
          <div class="ui-kpis" id="kpis">
            <div class="ui-kpi">
              <div class="ui-kpi-value" id="kpi-total">—</div>
              <div class="ui-kpi-label">Total</div>
            </div>
            <div class="ui-kpi">
              <div class="ui-kpi-value" id="kpi-voting">—</div>
              <div class="ui-kpi-label">Voting</div>
            </div>
            <div class="ui-kpi">
              <div class="ui-kpi-value" id="kpi-discussion">—</div>
              <div class="ui-kpi-label">Discussion</div>
            </div>
            <div class="ui-kpi">
              <div class="ui-kpi-value" id="kpi-draft">—</div>
              <div class="ui-kpi-label">Drafts</div>
            </div>
            <div class="ui-kpi">
              <div class="ui-kpi-value" id="kpi-closed">—</div>
              <div class="ui-kpi-label">Closed</div>
            </div>
          </div>
        </div>
      </div>

      <div class="toolbar ui-card">
        <div class="toolbar-grid">
          <div>
            <label class="toolbar-label" for="search-input">Search</label>
            <input type="text" id="search-input" class="ui-input" placeholder="Search proposals…" />
          </div>
          <div>
            <label class="toolbar-label" for="status-filter">Status</label>
            <select id="status-filter" class="ui-select">
              <option value="">All statuses</option>
              <option value="draft">Draft</option>
              <option value="discussion">Discussion</option>
              <option value="voting">Voting</option>
              <option value="closed">Closed</option>
            </select>
          </div>
          <div>
            <label class="toolbar-label" for="sort-select">Sort</label>
            <select id="sort-select" class="ui-select">
              <option value="newest">Newest</option>
              <option value="oldest">Oldest</option>
              <option value="status">Status</option>
              <option value="title">Title</option>
            </select>
          </div>
        </div>
      </div>

      <div id="proposals-list" class="list">
        <div class="list-skeleton">
          <div class="skeleton-card"></div>
          <div class="skeleton-card"></div>
          <div class="skeleton-card"></div>
          <div class="skeleton-card"></div>
        </div>
      </div>
    </div>
  </section>
</Layout>

<script define:vars={{ slug, apiBase }}>
  let allProposals = [];

  function escapeHtml(value) {
    return String(value || '').replace(/[&<>"']/g, function(ch) {
      switch (ch) {
        case '&': return '&amp;';
        case '<': return '&lt;';
        case '>': return '&gt;';
        case '"': return '&quot;';
        case "'": return '&#39;';
        default: return ch;
      }
    });
  }

  function normalizeStatus(status) {
    const s = String(status || '').toLowerCase();
    if (s === 'draft' || s === 'discussion' || s === 'voting' || s === 'closed') return s;
    return 'draft';
  }

  function updateKpis(proposals) {
    const total = proposals.length;
    const byStatus = { draft: 0, discussion: 0, voting: 0, closed: 0 };
    proposals.forEach((p) => {
      const key = normalizeStatus(p.status);
      byStatus[key] = (byStatus[key] || 0) + 1;
    });

    const setText = (id, value) => {
      const el = document.getElementById(id);
      if (el) el.textContent = String(value);
    };

    setText('kpi-total', total);
    setText('kpi-draft', byStatus.draft);
    setText('kpi-discussion', byStatus.discussion);
    setText('kpi-voting', byStatus.voting);
    setText('kpi-closed', byStatus.closed);
  }

  async function loadProposals() {
    const container = document.getElementById('proposals-list');
    if (!container) return;

    try {
      const commRes = await fetch(`${apiBase}/api/communities`);
      const communities = await commRes.json();
      const community = communities.find(c => c.slug === slug);
      
      if (!community) {
        container.innerHTML = '<div class="error">Community not found</div>';
        return;
      }

      const res = await fetch(`${apiBase}/api/communities/${community.id}/proposals`);
      allProposals = await res.json();
      updateKpis(allProposals);
      filterProposals();
    } catch (error) {
      container.innerHTML = '<div class="ui-card"><p class="error">Failed to load proposals.</p></div>';
    }
  }

  function renderProposals(proposals) {
    const container = document.getElementById('proposals-list');
    if (!container) return;

    if (proposals.length === 0) {
      container.innerHTML = '<div class="ui-card"><p class="empty">No proposals found.</p></div>';
      return;
    }

    container.innerHTML = proposals.map(p => {
      const statusKey = normalizeStatus(p.status);
      const safeTitle = escapeHtml(p.title);
      const desc = String(p.description || '');
      const safeDesc = escapeHtml(desc.substring(0, 160));
      const suffix = desc.length > 160 ? '…' : '';
      const createdAt = p.created_at ? new Date(p.created_at).toLocaleDateString() : '';

      return `
        <a href="/proposals/${encodeURIComponent(String(p.id))}" class="proposal-card ui-card">
          <div class="proposal-header">
            <h3>${safeTitle}</h3>
            <span class="ui-pill status-${statusKey}">${escapeHtml(statusKey)}</span>
          </div>
          ${createdAt ? `<div class="proposal-meta">Created ${escapeHtml(createdAt)}</div>` : ''}
          <p class="description">${safeDesc}${suffix}</p>
        </a>
      `;
    }).join('');
  }

  function filterProposals() {
    const searchInput = document.getElementById('search-input');
    const statusFilter = document.getElementById('status-filter');
    const sortSelect = document.getElementById('sort-select');
    
    const query = searchInput?.value.toLowerCase().trim() || '';
    const status = statusFilter?.value || '';
    const sortKey = sortSelect?.value || 'newest';

    let filtered = allProposals;

    if (query) {
      filtered = filtered.filter(p => 
        p.title.toLowerCase().includes(query) || 
        p.description.toLowerCase().includes(query)
      );
    }

    if (status) {
      filtered = filtered.filter(p => p.status === status);
    }

    const getTime = (p) => {
      const d = p.created_at ? Date.parse(p.created_at) : NaN;
      if (!Number.isNaN(d)) return d;
      const asNum = Number(p.id);
      if (!Number.isNaN(asNum)) return asNum;
      return 0;
    };

    filtered = [...filtered];
    if (sortKey === 'newest') {
      filtered.sort((a, b) => getTime(b) - getTime(a));
    } else if (sortKey === 'oldest') {
      filtered.sort((a, b) => getTime(a) - getTime(b));
    } else if (sortKey === 'title') {
      filtered.sort((a, b) => String(a.title || '').localeCompare(String(b.title || '')));
    } else if (sortKey === 'status') {
      const order = { voting: 0, discussion: 1, draft: 2, closed: 3 };
      filtered.sort((a, b) => (order[normalizeStatus(a.status)] ?? 99) - (order[normalizeStatus(b.status)] ?? 99));
    }

    renderProposals(filtered);
  }

  loadProposals();

  document.getElementById('search-input')?.addEventListener('input', filterProposals);
  document.getElementById('status-filter')?.addEventListener('change', filterProposals);
  document.getElementById('sort-select')?.addEventListener('change', filterProposals);

  const token = localStorage.getItem('token');
  const createBtn = document.getElementById('create-btn');
  if (token && createBtn) {
    createBtn.style.display = 'inline-flex';
  }
</script>

<style>
  .hero {
    padding: 1.25rem;
    margin-bottom: 1rem;
  }

  .hero-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    flex-wrap: wrap;
  }

  .hero-title {
    margin: 0;
    font-size: 2.125rem;
    letter-spacing: -0.02em;
  }

  .hero-subtitle {
    margin: 0.25rem 0 0;
    color: var(--color-text-muted);
  }

  .hero-kpis {
    margin-top: 1rem;
  }

  .hero-kpis-label {
    color: var(--color-text-muted);
    font-size: 0.8125rem;
    margin-bottom: 0.5rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
  }

  .toolbar {
    padding: 1rem;
    margin-bottom: 1rem;
  }

  .toolbar-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 0.75rem;
    align-items: end;
  }

  .toolbar-label {
    display: block;
    font-size: 0.75rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 0.35rem;
  }

  @media (max-width: 768px) {
    .toolbar-grid {
      grid-template-columns: 1fr;
    }
  }

  .list {
    display: grid;
    gap: 1rem;
  }

  .proposal-card {
    display: block;
    padding: 1.1rem;
    color: var(--color-text);
    transition: transform 140ms ease, border-color 140ms ease, background 140ms ease;
  }

  .proposal-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.03);
  }

  .proposal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    gap: 0.75rem;
  }

  .proposal-card h3 {
    font-size: 1.25rem;
    letter-spacing: -0.01em;
  }

  .proposal-meta {
    color: var(--color-text-muted);
    font-size: 0.8125rem;
    margin-bottom: 0.5rem;
  }

  .description {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    line-height: 1.5;
  }

  .empty, .error {
    text-align: center;
    padding: 2rem;
    color: var(--color-text-muted);
  }

  .list-skeleton .skeleton-card {
    --ui-skeleton-card-h: 92px;
  }
</style>