// Copy Engine client. Entitlement + meter come from the server; the page just
// collects a brief, streams nothing (single response), and shows the result.
(function () {
  'use strict';
  var KINDS = [
    { k: 'post', label: 'Social post' },
    { k: 'dm', label: 'Direct message' },
    { k: 'followup', label: 'Follow-up' },
    { k: 'objection', label: 'Objection reply' },
    { k: 'email', label: 'Email' },
    { k: 'story', label: 'Personal story post' }
  ];
  var PLACEHOLDERS = {
    post: "e.g. A post for people who've been burned by side hustles before — honest, no hype, mention that everything is verifiable on-chain",
    dm: "e.g. A message to an old coworker who's always complaining about money but is skeptical of crypto",
    followup: "e.g. Following up with someone who watched the video last week and said 'let me think about it'",
    objection: "e.g. They said: isn't this just a pyramid scheme?",
    email: "e.g. Email to my list introducing the team build — they know me from my marketing content, not crypto",
    story: "e.g. Why I stopped chasing complicated funnels and went back to something simple I could teach"
  };
  var $ = function (id) { return document.getElementById(id); };
  var kind = 'post', busy = false, lastBrief = '';

  function renderKinds() {
    var host = $('cpKinds');
    host.innerHTML = '';
    KINDS.forEach(function (x) {
      var b = document.createElement('button');
      b.type = 'button';
      b.className = 'cp-kind' + (x.k === kind ? ' on' : '');
      b.textContent = x.label;
      b.addEventListener('click', function () {
        kind = x.k;
        $('cpBrief').placeholder = PLACEHOLDERS[kind] || '';
        renderKinds();
      });
      host.appendChild(b);
    });
  }

  function showMeter(m) {
    if (!m || !m.limit) { $('cpMeter').textContent = ''; return; }
    $('cpMeter').innerHTML = '<b>' + m.remaining + '</b> of ' + m.limit + ' generations left this month';
  }

  function gate(msg, gold) {
    var g = $('cpGate');
    g.style.display = 'block';
    g.innerHTML = msg;
    if (gold === false) g.style.borderColor = 'var(--teal)';
    $('cpCard').style.opacity = '.55';
    $('cpGo').disabled = true;
    $('cpBrief').disabled = true;
  }

  async function boot() {
    renderKinds();
    try {
      var r = await fetch('/api/public/suite-meters');
      if (r.status === 401) {
        gate('You’re not signed in yet. <a href="/suite" style="color:var(--gold);font-weight:700">Open the Suite</a> and connect the wallet that holds your position — one free signature — then come back.');
        return;
      }
      if (r.status === 403) {
        gate('The Copy Engine isn’t open for this position yet. <a href="/suite" style="color:var(--gold);font-weight:700">See your Suite</a>.');
        return;
      }
      if (!r.ok) return;
      var d = await r.json();
      var m = d.meters && d.meters.copy;
      if (m && m.reason === 'locked') {
        gate('The Copy Engine unlocks at <b>Ascensus (level 2)</b>. You’re at level ' + d.level + ' — your next upgrade opens it, along with the Page Builder. <a href="/how-pay-works#exact-costs" style="color:var(--gold);font-weight:700">See what an upgrade costs →</a>');
        return;
      }
      showMeter(m);
    } catch (e) {}
  }

  async function run() {
    if (busy) return;
    var brief = $('cpBrief').value.trim();
    if (brief.length < 3) { $('cpBrief').focus(); return; }
    lastBrief = brief;
    busy = true;
    $('cpErr').style.display = 'none';
    $('cpGo').disabled = true;
    $('cpGo').innerHTML = '<span class="spin"></span>Writing… (up to a minute)';
    try {
      var r = await fetch('/api/public/suite-generate', {
        method: 'POST', headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({ kind: kind, brief: brief })
      });
      var d = await r.json();
      if (!r.ok) {
        $('cpErr').textContent = d.error || 'That didn’t go through — try again.';
        $('cpErr').style.display = 'block';
        if (d.meter) showMeter(d.meter);
      } else {
        $('cpText').textContent = d.text;
        $('cpOut').style.display = 'block';
        $('cpAgain').style.display = '';
        showMeter(d.meter);
        $('cpOut').scrollIntoView({ behavior: 'smooth', block: 'nearest' });
      }
    } catch (e) {
      $('cpErr').textContent = 'Connection hiccup — try again.';
      $('cpErr').style.display = 'block';
    }
    busy = false;
    $('cpGo').disabled = false;
    $('cpGo').textContent = '✍️ Write it';
  }

  document.addEventListener('DOMContentLoaded', function () {
    boot();
    $('cpGo').addEventListener('click', run);
    $('cpAgain').addEventListener('click', run);
    $('cpCopy').addEventListener('click', function () {
      var t = $('cpText').textContent;
      navigator.clipboard.writeText(t).then(function () {
        $('cpCopied').style.display = '';
        setTimeout(function () { $('cpCopied').style.display = 'none'; }, 2500);
      });
    });
  });
})();