// My account: email-first join/login, wallet link at purchase time,
// free payout activation, invite link, on-chain activity.
(async function () {
  await IAP.renderNav('my');
  const $ = IAP.$;

  async function api(path, body) {
    const r = await (await fetch(path, { method: 'POST',
      headers: { 'Content-Type': 'application/json' }, body: JSON.stringify(body || {}) })).json();
    if (r.error) throw new Error(r.error);
    return r;
  }

  async function render() {
    const me = await IAP.refreshNavWallet();
    const signedIn = me && me.signedIn;
    $('authArea').hidden = !!signedIn;
    $('memberArea').hidden = !signedIn;
    if (!signedIn) return;

    const who = [];
    if (me.email) who.push(me.email);
    if (me.address) who.push('wallet <span class="mono">' + me.address.slice(0, 8) + '…' + me.address.slice(-6) + '</span>');
    else who.push('no wallet linked yet');
    if (me.memberId) who.push('on-chain <b>member #' + me.memberId + '</b>'
      + (me.onchainSponsorId ? ', sponsored by #' + me.onchainSponsorId : ''));
    else if (me.sponsorId) who.push('invited by member #' + me.sponsorId);
    $('posLine').innerHTML = who.join('<br>');

    $('creditLine').textContent = (me.credits || 0).toLocaleString();
    $('linkCard').hidden = !!me.address;
    $('activateCard').hidden = !(me.address && !me.memberId);
    $('activityArea').hidden = !me.memberId;
    $('campaignCard').hidden = !me.memberId;
    if (me.memberId) loadCampaigns();

    if (me.memberId) {
      const bc = me.buyerCount || 0;
      $('qualLine').innerHTML = '<b>' + bc + '</b> qualifying buyer(s) referred<br>'
        + (bc >= 5 ? '<span class="badge">Level 3 unlocked: full three-level earnings</span>'
          : bc >= 2 ? '<span class="badge">Level 2 unlocked</span> · ' + (5 - bc) + ' more for level 3'
          : (2 - bc) + ' more buyer(s) of $20+ unlock level 2');
      $('inviteLine').textContent = location.origin + '/join/' + me.memberId;
      $('copyInvite').hidden = false;
      loadActivity();
    } else {
      $('qualLine').textContent = 'Level 1 pays the moment you are on-chain. Referrals who buy packages of $20 or more unlock levels 2 and 3.';
      $('inviteLine').textContent = me.address
        ? 'Activate payouts above and your invite link appears here.'
        : 'Link a wallet and switch on payouts to get your invite link.';
      $('copyInvite').hidden = true;
    }
  }

  async function loadActivity() {
    try {
      const c = await IAP.getConfig();
      const a = await (await fetch('/api/my/activity')).json();
      const fill = (id, evs, empty) => {
        const el = $(id);
        el.innerHTML = '';
        if (!evs || !evs.length) { el.innerHTML = '<div class="row muted">' + empty + '</div>'; return; }
        for (const ev of evs) el.appendChild(IAP.feedRow(ev, c));
      };
      fill('earnFeed', a.earnings, 'No payouts yet. They appear here the moment one lands.');
      fill('refFeed', a.referrals, 'No referral activity yet. Share your invite link.');
      fill('buyFeed', a.purchases, 'No purchases from your wallet yet.');
    } catch (e) {}
  }

  async function loadCampaigns() {
    try {
      const r = await (await fetch('/api/my/campaigns')).json();
      if (r.error) return;
      $('rateLine').textContent = 'Available to spend: ' + r.availableCredits.toLocaleString()
        + ' credits · rates: banner ' + r.rates.bannerCreditsPerBatch + 'cr/' + r.rates.bannerBatch
        + ' views, text ' + r.rates.textCreditsPerBatch + 'cr/' + r.rates.textBatch
        + ' views, login ' + r.rates.loginCreditsPerDay + 'cr/day';
      const el = $('campList');
      el.innerHTML = '';
      if (!r.campaigns.length) { el.innerHTML = '<p class="muted small">No campaigns yet. Launch your first below.</p>'; return; }
      const tbl = document.createElement('div');
      tbl.className = 'tablewrap';
      tbl.innerHTML = '<table><thead><tr><th>Name</th><th>Type</th><th class="num">Views</th><th class="num">Clicks</th>'
        + '<th class="num">Spent</th><th class="num">Budget</th><th>Status</th><th></th></tr></thead><tbody>'
        + r.campaigns.map(c => '<tr><td><b>' + c.name + '</b></td><td>' + c.type + '</td>'
          + '<td class="num">' + c.imps.toLocaleString() + '</td><td class="num">' + c.clicks + '</td>'
          + '<td class="num">' + c.spent + '</td><td class="num">' + c.budget + '</td>'
          + '<td>' + (c.status === 'out' ? '<span class="badge amber">budget spent</span>' : c.status) + '</td>'
          + '<td>' + (c.status === 'active' ? '<button class="btn small sec" data-camp="' + c.id + '" data-act="pause">Pause</button>'
            : c.status === 'paused' ? '<button class="btn small sec" data-camp="' + c.id + '" data-act="resume">Resume</button>' : '')
          + '</td></tr>').join('') + '</tbody></table>';
      el.appendChild(tbl);
      el.querySelectorAll('button[data-camp]').forEach(b => b.addEventListener('click', async () => {
        try { await api('/api/my/campaigns/' + b.dataset.camp + '/' + b.dataset.act); await loadCampaigns(); }
        catch (e) { IAP.status(e.message, 'bad'); }
      }));
    } catch (e) {}
  }
  $('cType').addEventListener('change', () => {
    const t = $('cType').value;
    $('cImageRow').hidden = t === 'text';
    $('cTitleRow').hidden = t !== 'text';
    $('cBodyRow').hidden = t !== 'text';
  });
  $('createCampBtn').addEventListener('click', busy2($('createCampBtn'), async () => {
    await api('/api/my/campaigns', { type: $('cType').value, name: $('cName').value,
      targetUrl: $('cTarget').value, imageUrl: $('cImage').value,
      title: $('cTitle').value, body: $('cBody').value, budget: Number($('cBudget').value) });
    IAP.status('Campaign is live. It starts serving right away.', 'ok');
    $('cName').value = ''; $('cBudget').value = '';
    await loadCampaigns();
  }));
  // defers the busy() lookup to click time (busy is declared below)
  function busy2(btn, fn) { return (...a) => busy(btn, fn)(...a); }

  const busy = (btn, fn) => async () => {
    try { btn.disabled = true; await fn(); }
    catch (e) { IAP.status((e && e.message) || String(e), 'bad'); }
    finally { btn.disabled = false; }
  };

  // passwordless (feature-flagged on config.emailAuth): code replaces passwords
  (async () => {
    const cfg = await IAP.getConfig();
    if (!cfg.emailAuth) return;
    $('passCards').hidden = true;
    $('magicCard').hidden = false;
    const start = busy($('mcSendBtn'), async () => {
      const r = await api('/api/auth/email/start', { email: $('mcEmail').value });
      $('mcCodeRow').hidden = false;
      $('mcVerifyBtn').hidden = false;
      $('mcSendBtn').hidden = true;
      $('mcResend').hidden = false;
      if (r.devCode) { $('mcCode').value = r.devCode; IAP.status('Dev mode: code filled in for you.', 'ok'); }
      else IAP.status('Code sent. Check your inbox (and spam, the first time).', 'ok');
      $('mcCode').focus();
    });
    $('mcSendBtn').addEventListener('click', start);
    $('mcResend').addEventListener('click', busy($('mcResend'), async () => {
      const r = await api('/api/auth/email/start', { email: $('mcEmail').value });
      if (r.devCode) $('mcCode').value = r.devCode;
      IAP.status('Fresh code sent.', 'ok');
    }));
    $('mcVerifyBtn').addEventListener('click', busy($('mcVerifyBtn'), async () => {
      await api('/api/auth/email/verify', { email: $('mcEmail').value, code: $('mcCode').value });
      IAP.status('You are in.', 'ok');
      await render();
    }));
  })();

  $('signupBtn').addEventListener('click', busy($('signupBtn'), async () => {
    await api('/api/signup', { email: $('suEmail').value, password: $('suPass').value });
    IAP.status('Welcome aboard. You are in.', 'ok');
    await render();
  }));
  $('loginBtn').addEventListener('click', busy($('loginBtn'), async () => {
    await api('/api/login', { email: $('liEmail').value, password: $('liPass').value });
    IAP.status('Logged in.', 'ok');
    await render();
  }));
  $('walletSigninLink').addEventListener('click', async e => {
    e.preventDefault();
    try {
      IAP.status('Check your wallet for the free sign-in signature…');
      await IAPWallet.signIn();
      IAP.status('Signed in with your wallet.', 'ok');
      await render();
    } catch (err) { IAP.status((err && err.message) || String(err), 'bad'); }
  });
  $('linkBtn').addEventListener('click', busy($('linkBtn'), async () => {
    IAP.status('Check your wallet for the free link signature…');
    await IAPWallet.signIn(); // server binds the wallet to the signed-in email account
    IAP.status('Wallet linked. Earnings pay there from now on.', 'ok');
    await render();
  }));
  $('activateBtn').addEventListener('click', busy($('activateBtn'), async () => {
    const me = await (await fetch('/api/me')).json();
    IAP.status('Confirm the free activation in your wallet…');
    const r = await IAPWallet.activate(me.sponsorId || 0);
    if (r.receipt.status !== '0x1') throw new Error('Transaction reverted. Check the explorer.');
    IAP.status('Payouts are on. Your invite link is live.', 'ok');
    await render();
  }));
  $('copyInvite').addEventListener('click', async () => {
    try { await navigator.clipboard.writeText($('inviteLine').textContent); IAP.status('Link copied.', 'ok'); }
    catch (e) { IAP.status('Copy failed. Select and copy the link text.', 'bad'); }
  });
  $('logoutLink').addEventListener('click', async e => {
    e.preventDefault();
    await fetch('/api/auth/logout', { method: 'POST' });
    IAP.status('Logged out.', 'ok');
    await render();
  });

  render();
})();