/**
 * LPS-1 public mint button — x402 settle → yield parcel in Donkai profile.
 * Usage: GMIIELpsMint.renderButton(container, { briefId, title, compact })
 */
(function (global) {
  'use strict';

  function esc(s) {
    return String(s || '')
      .replace(/&/g, '&')
      .replace(/</g, '&lt;')
      .replace(/>/g, '&gt;')
      .replace(/"/g, '&quot;');
  }

  function setBtnState(btn, state, label) {
    btn.disabled = state === 'loading';
    btn.classList.remove('lps-mint--loading', 'lps-mint--done', 'lps-mint--error');
    if (state) btn.classList.add('lps-mint--' + state);
    btn.textContent = label;
  }

  async function activateYield(briefId, receipt) {
    const headers = { 'Content-Type': 'application/json', Accept: 'application/json' };
    if (receipt) headers['X-Payment-Receipt'] = receipt;

    const res = await fetch('/api/lps/yield-activate', {
      method: 'POST',
      headers: headers,
      body: JSON.stringify({ brief_id: briefId }),
    });

    const data = await res.json().catch(function () {
      return {};
    });
    return { res: res, data: data };
  }

  async function mintBrief(briefId, btn, opts) {
    if (!briefId || !btn) return;
    setBtnState(btn, 'loading', 'Settling…');

    try {
      let { res, data } = await activateYield(briefId, null);

      if (res.status === 402 && data.payment_required) {
        const amt = (data.payment && data.payment.amount_human) || '0.10 ATP';
        const receipt = global.prompt(
          'Mint requires x402 settlement (' +
            amt +
            ' on Apostle chain 7332).\nPaste X-Payment-Receipt tx hash, or Cancel to use preview:\n\nLeave blank + OK for preview mint.'
        );

        if (receipt === null) {
          setBtnState(btn, null, opts.compact ? 'Mint' : '⚡ Mint + Yield');
          return;
        }

        if (receipt.trim()) {
          ({ res, data } = await activateYield(briefId, receipt.trim()));
        } else {
          ({ res, data } = await fetch('/api/lps/yield-activate?test=true', {
            method: 'POST',
            headers: { 'Content-Type': 'application/json', 'X-Payment-Test': 'true' },
            body: JSON.stringify({ brief_id: briefId, preview: true }),
          }).then(function (r) {
            return r.json().then(function (d) {
              return { res: r, data: d };
            });
          }));
        }
      }

      if (!res.ok && !data.ok) {
        setBtnState(btn, 'error', 'Mint failed');
        btn.title = data.error || data.reason || 'yield-activate error';
        return;
      }

      setBtnState(btn, 'done', '✓ Yield live');
      btn.title =
        (data.treasury_yield_hook || data.treasury_yield || 'Yield active') +
        (data.xrpl_parcel_tx ? ' · ' + data.xrpl_parcel_tx : '');

      var badge = btn.parentElement && btn.parentElement.querySelector('.lps-yield-badge');
      if (!badge && btn.parentElement) {
        badge = document.createElement('span');
        badge.className = 'lps-yield-badge';
        btn.parentElement.appendChild(badge);
      }
      if (badge) {
        badge.textContent = data.metaverse_badge || '🛡️ Yield NPC';
      }

      global.dispatchEvent(
        new CustomEvent('gmiie-yield-activated', { detail: { briefId: briefId, yield: data } })
      );
    } catch (e) {
      setBtnState(btn, 'error', 'Error');
      btn.title = e.message;
    }
  }

  function renderButton(container, opts) {
    if (!container) return null;
    opts = opts || {};
    var briefId = opts.briefId || opts.brief_id || opts.id;
    if (!briefId) return null;

    var wrap = document.createElement('div');
    wrap.className = 'lps-mint-wrap' + (opts.compact ? ' lps-mint-wrap--compact' : '');

    var btn = document.createElement('button');
    btn.type = 'button';
    btn.className = 'lps-mint-btn';
    btn.setAttribute('data-brief-id', briefId);
    btn.setAttribute('aria-label', 'Mint brief and activate yield: ' + (opts.title || briefId));
    btn.textContent = opts.compact ? 'Mint' : '⚡ Mint + Yield';

    btn.addEventListener('click', function () {
      mintBrief(briefId, btn, opts);
    });

    wrap.appendChild(btn);

    if (opts.lps1Id) {
      var pill = document.createElement('span');
      pill.className = 'lps-mint-pill';
      pill.textContent = '🔒 ' + opts.lps1Id;
      wrap.appendChild(pill);
    }

    container.appendChild(wrap);
    return btn;
  }

  global.GMIIELpsMint = {
    mintBrief: mintBrief,
    renderButton: renderButton,
    activateYield: activateYield,
  };
})(typeof window !== 'undefined' ? window : globalThis);