/* ============================================================
   inbox.js — Central Recruitment Inbox + Outlook Email tab
   ============================================================ */
window.Views = window.Views || {};
window.Inbox = {};

Views.inbox = function () {
  const state = { tab: 'All Applications', selected: null, emailSelected: null, q: '' };
  const tabs = ['All Applications', 'Unread', 'Imported', 'Processed', 'Rejected', 'Duplicates', 'Email'];

  function filtered() {
    let list = DB.inbox;
    if (state.tab === 'Unread') list = list.filter(i => i.processing === 'Unread');
    else if (state.tab === 'Imported') list = list.filter(i => i.processing === 'Imported');
    else if (state.tab === 'Processed') list = list.filter(i => i.processing === 'Processed');
    else if (state.tab === 'Rejected') list = list.filter(i => i.processing === 'Rejected');
    else if (state.tab === 'Duplicates') list = list.filter(i => i.duplicate);
    if (state.q) list = list.filter(i => (i.name + i.position + i.source).toLowerCase().includes(state.q.toLowerCase()));
    return list;
  }

  function counts() {
    return {
      'All Applications': DB.inbox.length,
      'Unread': DB.inbox.filter(i => i.processing === 'Unread').length,
      'Imported': DB.inbox.filter(i => i.processing === 'Imported').length,
      'Processed': DB.inbox.filter(i => i.processing === 'Processed').length,
      'Rejected': DB.inbox.filter(i => i.processing === 'Rejected').length,
      'Duplicates': DB.inbox.filter(i => i.duplicate).length,
      'Email': (Inbox._emails || []).filter(e => e.unread).length
    };
  }

  function sourceChip(item) {
    const m = item.sourceMeta;
    // The dot carries the partner's brand colour; the label uses theme text.
    // Rendering 11px labels in the partner colour failed AA in both themes.
    // `--chip` carries the source colour; CSS mixes the tint. String-concat
    // alpha ("#0a66c214") breaks for the tokenised sources (var(--c1)14).
    return `<span class="source-chip" style="--chip:${m.color}"><span class="source-dot"></span>${item.source}</span>`;
  }

  function renderList() {
    const el = document.getElementById('inboxList');
    if (!el) return;
    const list = filtered();
    if (!list.length) { el.innerHTML = `<div class="empty-state">${UI.icon('inbox')}<h3>Nothing here</h3><p>No applications in this view.</p></div>`; return; }
    el.innerHTML = list.map(i => `
      <div class="inbox-item ${i.unread ? 'unread' : ''} ${state.selected === i.id ? 'active' : ''}" data-id="${i.id}">
        ${UI.avatar(i.name, i.initials, i.color)}
        <div class="ii-main">
          <div class="ii-name">${i.name} ${i.duplicate ? '<span class="badge b-red badge-plain" style="padding:1px 6px;font-size:10px">DUP</span>' : ''}</div>
          <div class="ii-pos">${i.position}</div>
          <div class="ii-meta">${sourceChip(i)} ${UI.badge(i.processing)}</div>
        </div>
        <div style="text-align:right;flex-shrink:0">
          <div class="ii-time">${DB.relTime(Math.round((new Date('2026-07-09T20:00') - i.received) / 60000))}</div>
          <div style="margin-top:6px">${UI.scoreChip(i.atsScore)}</div>
        </div>
      </div>`).join('');
    el.querySelectorAll('.inbox-item').forEach(row => row.onclick = () => {
      state.selected = row.dataset.id;
      const it = DB.inbox.find(x => x.id === state.selected); if (it) it.unread = false;
      renderList(); renderDetail(); App.updateBadges();
    });
  }

  function renderDetail() {
    const el = document.getElementById('inboxDetail');
    if (!el) return;
    const i = DB.inbox.find(x => x.id === state.selected);
    if (!i) { el.innerHTML = `<div class="empty-state" style="padding:100px 20px">${UI.icon('inbox')}<h3>Select an application</h3><p>Choose an item from the list to view details and take action.</p></div>`; return; }
    const rec = DB.atsRecommendationClass;
    const recLabel = i.atsScore >= 82 ? 'Strong Match' : i.atsScore >= 65 ? 'Potential Match' : 'Weak Match';
    el.innerHTML = `
      <div style="padding:24px">
        <div class="flex items-center gap-16" style="margin-bottom:20px">
          ${UI.avatar(i.name, i.initials, i.color, 'avatar-lg')}
          <div style="flex:1"><div class="ph-name" style="font-size:19px">${i.name}</div>
            <div class="ph-role">${i.position}</div>
            <div class="ph-tags" style="margin-top:8px">${sourceChip(i)} ${UI.badge(i.processing)} ${UI.badge(i.resumeStatus, i.resumeStatus === 'Parsed' ? 'b-green' : i.resumeStatus === 'Failed' ? 'b-red' : 'b-amber')}</div>
          </div>
          <div style="text-align:center">
            <div class="ats-ring" style="width:84px;height:84px;--pct:${i.atsScore};--c:${i.atsScore >= 82 ? 'var(--success)' : i.atsScore >= 65 ? 'var(--warning)' : 'var(--danger)'}">
              <div class="ats-val"><div class="ats-num" style="font-size:22px">${i.atsScore}</div></div></div>
            <div class="cell-sub" style="margin-top:4px">ATS Score</div>
          </div>
        </div>

        <div class="info-grid" style="margin-bottom:20px">
          <div class="info-item"><div class="il">Email</div><div class="iv">${i.email}</div></div>
          <div class="info-item"><div class="il">Phone</div><div class="iv">${i.phone}</div></div>
          <div class="info-item"><div class="il">Experience</div><div class="iv">${i.experience} years</div></div>
          <div class="info-item"><div class="il">Assigned Recruiter</div><div class="iv">${i.recruiter}</div></div>
          <div class="info-item"><div class="il">Received</div><div class="iv">${DB.fmtDate(i.received)}</div></div>
          <div class="info-item"><div class="il">Match</div><div class="iv">${UI.badge(recLabel, rec(recLabel))}</div></div>
        </div>

        <div class="card" style="box-shadow:none;background:var(--bg-sunken);margin-bottom:20px"><div class="card-body">
          <div class="flex items-center gap-12" style="justify-content:space-between;margin-bottom:12px">
            <div class="fw-600">${UI.icon('paperclip')} ${i.attachment}</div>
            <button class="btn btn-secondary btn-sm" onclick="Inbox.viewResume('${i.id}')">${UI.icon('eye')} Preview</button>
          </div>
          <div class="resume-thumb">${Inbox._resumeText(i)}</div>
        </div></div>

        <div class="flex gap-8" style="flex-wrap:wrap">
          <button class="btn btn-primary" onclick="Inbox.import('${i.id}')">${UI.icon('user-plus')} Import Candidate</button>
          <button class="btn btn-secondary" onclick="Inbox.parse('${i.id}')">${UI.icon('sparkles')} Parse Resume</button>
          <button class="btn btn-secondary" onclick="Inbox.assign('${i.id}')">${UI.icon('users')} Assign Recruiter</button>
          <button class="btn btn-secondary" onclick="Inbox.moveToPipeline('${i.id}')">${UI.icon('layers')} Move to Pipeline</button>
          <button class="btn btn-secondary" onclick="Inbox.note('${i.id}')">${UI.icon('edit')} Add Note</button>
          <button class="btn btn-ghost" style="color:var(--danger)" onclick="Inbox.reject('${i.id}')">${UI.icon('x')} Reject</button>
        </div>
      </div>`;
  }

  function renderBody() {
    const body = document.getElementById('inboxBody');
    if (state.tab === 'Email') { body.innerHTML = Inbox._emailView(); Inbox._bindEmail(state); return; }
    body.innerHTML = `
      <div class="split">
        <div class="split-list">
          <div style="padding:12px 16px;border-bottom:1px solid var(--border)">
            <div class="toolbar-search" style="max-width:none"><svg viewBox="0 0 24 24"><circle cx="11" cy="11" r="8"/><line x1="21" y1="21" x2="16.65" y2="16.65"/></svg><input id="inboxSearch" placeholder="Search applications…" value="${state.q}"/></div>
          </div>
          <div id="inboxList"></div>
        </div>
        <div class="split-detail" id="inboxDetail"></div>
      </div>`;
    renderList(); renderDetail();
    const s = document.getElementById('inboxSearch');
    s.oninput = () => { state.q = s.value; renderList(); };
  }

  Inbox._render = { list: renderList, detail: renderDetail, body: renderBody };
  Inbox._state = state;

  const c = counts();
  const tabHtml = tabs.map(t => `<div class="tab ${t === state.tab ? 'active' : ''}" data-tab="${t}">${t} <span class="k-count" style="margin-left:4px">${c[t]}</span></div>`).join('');

  const html = `
    <div class="page">
      <div class="page-head">
        <div><h1 class="page-title">Recruitment Inbox</h1><p class="page-sub">Every candidate, every source — one unified queue</p></div>
        <div class="page-head-actions">
          <span class="integration-status"><span class="pulse"></span>Microsoft Graph API · Connected</span>
          <button class="btn btn-secondary" onclick="UI.toast('Syncing all sources…','info');setTimeout(()=>UI.toast('Inbox synced','success'),900)">${UI.icon('refresh')} Sync</button>
          <button class="btn btn-primary" onclick="Router.go('import')">${UI.icon('upload')} Upload CVs</button>
        </div>
      </div>
      <div class="card">
        <div class="tabs" id="inboxTabs" style="margin:0 16px;padding-top:8px">${tabHtml}</div>
        <div id="inboxBody"></div>
      </div>
    </div>`;

  return {
    html,
    onMount() {
      renderBody();
      document.querySelectorAll('#inboxTabs .tab').forEach(tab => tab.onclick = () => {
        state.tab = tab.dataset.tab; state.selected = null;
        document.querySelectorAll('#inboxTabs .tab').forEach(t => t.classList.remove('active'));
        tab.classList.add('active');
        renderBody();
      });
    }
  };
};

Inbox._resumeText = function (i) {
  return `${i.name.toUpperCase()}\n${i.email} · ${i.phone}\n${'—'.repeat(30)}\nPROFESSIONAL SUMMARY\n${i.experience} years of experience. Applied for ${i.position} via ${i.source}.\n\nEXPERIENCE\n• ${DB.pick(DB.companies)} — Senior role (2021–Present)\n• ${DB.pick(DB.companies)} — Associate (2018–2021)\n\nEDUCATION\n• Bachelor's Degree, Computer Science\n\nSKILLS\n• ${DB.pick(DB.skillsPool)}, ${DB.pick(DB.skillsPool)}, ${DB.pick(DB.skillsPool)}, ${DB.pick(DB.skillsPool)}`;
};

Inbox.viewResume = function (id) {
  const i = DB.inbox.find(x => x.id === id);
  UI.modal({
    title: i.attachment, subtitle: 'Resume preview · ' + i.name,
    body: `<div class="resume-thumb" style="max-height:none;font-size:12px">${Inbox._resumeText(i)}</div>`,
    footer: `<button class="btn btn-secondary" onclick="UI.closeModal()">Close</button><button class="btn btn-primary" onclick="UI.closeModal();Inbox.import('${id}')">${UI.icon('user-plus')} Import Candidate</button>`,
    size: 'modal-lg'
  });
};

Inbox.parse = function (id) {
  const i = DB.inbox.find(x => x.id === id);
  i.resumeStatus = 'Parsing';
  Inbox._render.detail();
  UI.toast('Parsing resume with AI…', 'info');
  setTimeout(() => { i.resumeStatus = 'Parsed'; i.atsScore = DB.int(60, 96); Inbox._render.list(); Inbox._render.detail(); UI.toast('Resume parsed — profile fields extracted', 'success'); }, 1100);
};

Inbox.import = function (id) {
  const i = DB.inbox.find(x => x.id === id);
  const job = DB.getJob(i.jobId) || DB.jobs[0];
  // create candidate
  const newC = {
    id: 'CAN-' + (5001 + DB.candidates.length), name: i.name, initials: i.initials, color: i.color,
    email: i.email, phone: i.phone, jobId: job.id, jobTitle: job.title, department: job.department,
    experience: i.experience, currentCompany: DB.pick(DB.companies), currentTitle: job.title, location: DB.pick(DB.locations),
    stage: 'Applied', status: 'Applied', aiScore: i.atsScore, source: i.source, recruiter: i.recruiter, recruiterId: '',
    applied: new Date('2026-07-09'), education: "Bachelor's Degree", skills: job.skills.slice(0, 4), rating: '4.0', salary: DB.int(90, 180) * 1000,
    matchedSkills: job.skills.slice(0, 3), missingSkills: job.skills.slice(3), recommendation: i.atsScore >= 82 ? 'Strong Match' : 'Potential Match',
    subScores: { skills: i.atsScore, experience: i.atsScore, education: 80, keywords: i.atsScore, location: 100, salary: 90 },
    noticePeriod: '1 month', availability: '2 weeks', certifications: [], favorite: false, interviewStatus: 'Not Scheduled'
  };
  DB.candidates.unshift(newC);
  i.processing = 'Imported'; i.unread = false;
  Inbox._render.list(); Inbox._render.detail(); App.updateBadges();
  UI.toast(`${i.name} imported → Applied stage of ${job.title}`, 'success');
};

Inbox.moveToPipeline = function (id) {
  const i = DB.inbox.find(x => x.id === id);
  if (i.processing !== 'Imported' && i.processing !== 'Processed') Inbox.import(id);
  i.processing = 'Processed';
  Inbox._render.list(); Inbox._render.detail();
  UI.toast(`${i.name} moved to pipeline`, 'success');
  setTimeout(() => Router.go('pipeline'), 700);
};

Inbox.assign = function (id) {
  const i = DB.inbox.find(x => x.id === id);
  const opts = DB.recruiters.map(r => `<option ${r.name === i.recruiter ? 'selected' : ''}>${r.name}</option>`).join('');
  UI.modal({
    title: 'Assign Recruiter', subtitle: i.name,
    body: `<div class="form-field"><label>Recruiter</label><select id="assignRec">${opts}</select></div>
      <p class="text-muted text-sm" style="margin-top:10px">Current workload is factored automatically. This recruiter has ${DB.getRecruiterByName(i.recruiter) ? DB.getRecruiterByName(i.recruiter).openReqs : 5} open reqs.</p>`,
    footer: `<button class="btn btn-secondary" onclick="UI.closeModal()">Cancel</button><button class="btn btn-primary" onclick="Inbox._doAssign('${id}')">Assign</button>`
  });
};
Inbox._doAssign = function (id) {
  const i = DB.inbox.find(x => x.id === id);
  i.recruiter = document.getElementById('assignRec').value;
  UI.closeModal(); Inbox._render.detail();
  UI.toast('Recruiter assigned to ' + i.name, 'success');
};

Inbox.note = function (id) {
  const i = DB.inbox.find(x => x.id === id);
  UI.modal({
    title: 'Add Note', subtitle: i.name,
    body: `<div class="form-field"><label>Note</label><textarea id="inboxNote" placeholder="Add a note about this application…"></textarea></div>`,
    footer: `<button class="btn btn-secondary" onclick="UI.closeModal()">Cancel</button><button class="btn btn-primary" onclick="UI.closeModal();UI.toast('Note added','success')">${UI.icon('check')} Save Note</button>`
  });
};

Inbox.reject = function (id) {
  const i = DB.inbox.find(x => x.id === id);
  i.processing = 'Rejected'; i.unread = false;
  Inbox._render.list(); Inbox._render.detail(); App.updateBadges();
  UI.toast(`${i.name} rejected`, 'warning');
};

// ---------------- Email (Outlook) tab ----------------
Inbox._emails = [];
Inbox._lastSync = null;

Inbox._mapApiEmail = function (row) {
  const from = row.sender_name || row.fromEmail || 'Unknown';
  return {
    id: String(row.id),
    from,
    fromEmail: row.fromEmail || '',
    subject: row.subject || '',
    body: row.body || '',
    when: row.when ? new Date(row.when) : new Date(),
    unread: !!row.unread,
    attachment: row.attachment_name || 'Resume.pdf',
    attachmentSize: '—',
    atsScore: 70,
    imported: false,
    jobId: null,
    jobTitle: ''
  };
};

Inbox._syncLabel = function () {
  if (!Inbox._lastSync) return 'Not synced yet';
  const mins = Math.max(0, Math.round((Date.now() - Inbox._lastSync.getTime()) / 60000));
  if (mins < 1) return 'Just now';
  return DB.relTime(mins);
};

Inbox._loadEmails = async function () {
  const res = await Api.get('/inbox/fetch');
  const rows = Array.isArray(res.data) ? res.data : [];
  Inbox._emails = rows.map(Inbox._mapApiEmail);
  Inbox._lastSync = new Date();
  return Inbox._emails;
};

Inbox._refreshEmailCounts = function () {
  const tab = document.querySelector('#inboxTabs .tab[data-tab="Email"]');
  if (tab) {
    const countEl = tab.querySelector('.k-count');
    if (countEl) countEl.textContent = Inbox._emails.filter(e => e.unread).length;
  }
  if (window.App && App.updateBadges) App.updateBadges();
};

Inbox._emailView = function () {
  return `
    <div style="padding:12px 18px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:12px">
      <span class="integration-status"><span class="pulse"></span>Outlook · Microsoft Graph API</span>
      <span class="text-muted text-sm" id="emailSyncMeta">Loading…</span>
      <button class="btn btn-secondary btn-sm" style="margin-left:auto" onclick="Inbox.syncMailbox()">${UI.icon('refresh')} Sync Mailbox</button>
    </div>
    <div class="split">
      <div class="split-list" id="emailList"><div class="empty-state">${UI.icon('mail')}<h3>Loading…</h3><p>Fetching mailbox from the server.</p></div></div>
      <div class="split-detail" id="emailDetail"></div>
    </div>`;
};

Inbox._bindEmail = function (state) {
  const detail = document.getElementById('emailDetail');

  function renderDetail() {
    const e = Inbox._emails.find(x => x.id === state.emailSelected);
    if (!e) { detail.innerHTML = `<div class="empty-state" style="padding:100px 20px">${UI.icon('mail')}<h3>Select an email</h3><p>Preview email body and resume attachments here.</p></div>`; return; }
    detail.innerHTML = `<div style="padding:24px">
      <div class="flex items-center gap-12" style="margin-bottom:6px">
        <h2 style="font-size:18px;flex:1">${e.subject}</h2>${e.imported ? UI.badge('Imported', 'b-green') : UI.badge('New', 'b-blue')}</div>
      <div class="flex items-center gap-12" style="margin-bottom:20px">
        ${UI.avatar(e.from, e.initials, e.color)}
        <div><div class="fw-600">${e.from}</div><div class="cell-sub">${e.fromEmail} · ${DB.fmtDate(e.when)}</div></div>
      </div>
      <div class="email-preview" style="margin-bottom:18px">${e.body}</div>
      <div class="attach-card" style="margin-bottom:18px">
        <span class="attach-icn">${UI.icon('file')}</span>
        <div style="flex:1"><div class="fw-600">${e.attachment}</div><div class="cell-sub">${e.attachmentSize} · PDF</div></div>
        <div class="flex items-center gap-8">${UI.scoreChip(e.atsScore)}
        <button class="btn btn-secondary btn-sm" onclick="UI.toast('Opening attachment preview','info')">${UI.icon('eye')} Preview</button></div>
      </div>
      <div class="flex gap-8">
        ${e.imported ? `<button class="btn btn-secondary" disabled>${UI.icon('check')} Already Imported</button>` :
        `<button class="btn btn-primary" onclick="Inbox._importEmail('${e.id}')">${UI.icon('user-plus')} Import Candidate</button>`}
        <button class="btn btn-secondary" onclick="UI.toast('Reply drafted','info')">${UI.icon('mail')} Reply</button>
        <button class="btn btn-ghost" style="color:var(--danger)" onclick="UI.toast('Email archived','info')">${UI.icon('trash')} Archive</button>
      </div>
    </div>`;
  }

  function paintList() {
    const list = document.getElementById('emailList');
    const meta = document.getElementById('emailSyncMeta');
    if (!list) return;
    if (!Inbox._emails.length) {
      list.innerHTML = `<div class="empty-state">${UI.icon('mail')}<h3>Nothing here</h3><p>No emails in the mailbox.</p></div>`;
    } else {
      list.innerHTML = Inbox._emails.map(e => `
        <div class="inbox-item ${e.unread ? 'unread' : ''} ${state.emailSelected === e.id ? 'active' : ''}" data-email="${e.id}">
          ${UI.avatar(e.from, e.initials, e.color)}
          <div class="ii-main">
            <div class="ii-name">${e.from}</div>
            <div class="ii-pos">${e.subject}</div>
            <div class="ii-meta"><span class="source-chip" style="--chip:#0078d4"><svg viewBox="0 0 24 24"><path d="M4 4h16a2 2 0 0 1 2 2v12a2 2 0 0 1-2 2H4a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2z"/><polyline points="22,6 12,13 2,6"/></svg>Outlook</span>${e.imported ? UI.badge('Imported', 'b-green') : ''}</div>
          </div>
          <div class="ii-time">${DB.fmtShort(e.when)}</div>
        </div>`).join('');
      list.querySelectorAll('.inbox-item').forEach(row => row.onclick = () => {
        state.emailSelected = row.dataset.email;
        const e = Inbox._emails.find(x => x.id === state.emailSelected); if (e) e.unread = false;
        list.querySelectorAll('.inbox-item').forEach(r => r.classList.remove('active', 'unread'));
        row.classList.add('active');
        renderDetail(); Inbox._refreshEmailCounts();
      });
    }
    if (meta) meta.textContent = `Last sync: ${Inbox._syncLabel()} · ${Inbox._emails.filter(e => e.unread).length} unread`;
    renderDetail();
    Inbox._refreshEmailCounts();
  }

  Inbox._paintEmail = paintList;
  renderDetail();

  Inbox._loadEmails()
    .then(() => paintList())
    .catch(err => {
      const list = document.getElementById('emailList');
      const meta = document.getElementById('emailSyncMeta');
      if (list) list.innerHTML = `<div class="empty-state">${UI.icon('mail')}<h3>Couldn't load mailbox</h3><p>${err.message || 'Request failed'}</p></div>`;
      if (meta) meta.textContent = 'Sync failed';
      UI.toast(err.message || 'Failed to load mailbox', 'error');
      renderDetail();
    });
};

Inbox.syncMailbox = async function () {
  UI.toast('Fetching from Outlook…', 'info');
  try {
    await Inbox._loadEmails();
    if (typeof Inbox._paintEmail === 'function') Inbox._paintEmail();
    UI.toast('Mailbox synced', 'success');
  } catch (err) {
    UI.toast(err.message || 'Sync failed', 'error');
  }
};

Inbox._importEmail = function (id) {
  const e = Inbox._emails.find(x => x.id === id);
  if (!e) return;
  const job = DB.getJob(e.jobId) || DB.jobs[0];
  DB.candidates.unshift({
    id: 'CAN-' + (5001 + DB.candidates.length), name: e.from, initials: e.initials || DB.initials(e.from), color: e.color || DB.avatarColor(e.from),
    email: e.fromEmail, phone: '+1 (555) 000-0000', jobId: job.id, jobTitle: job.title, department: job.department,
    experience: DB.int(2, 10), currentCompany: DB.pick(DB.companies), currentTitle: job.title, location: DB.pick(DB.locations),
    stage: 'Applied', status: 'Applied', aiScore: e.atsScore, source: 'Microsoft Outlook', recruiter: DB.pick(DB.recruiters).name, recruiterId: '',
    applied: new Date('2026-07-09'), education: "Bachelor's Degree", skills: job.skills.slice(0, 4), rating: '4.0', salary: 130000,
    matchedSkills: job.skills.slice(0, 3), missingSkills: job.skills.slice(3), recommendation: 'Potential Match',
    subScores: { skills: e.atsScore, experience: 80, education: 80, keywords: e.atsScore, location: 100, salary: 90 },
    noticePeriod: '1 month', availability: '2 weeks', certifications: [], favorite: false, interviewStatus: 'Not Scheduled'
  });
  e.imported = true; e.unread = false;
  if (typeof Inbox._paintEmail === 'function') Inbox._paintEmail();
  App.updateBadges();
  UI.toast(`${e.from} imported from Outlook → ${job.title}`, 'success');
};