benjamin.harris
/
Deaf_Transcription_Service


			
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							#!/usr/bin/env python3
"""
admin.py — Speaker Admin Web Server

Local web interface for managing speaker names and voice recordings.
Runs on port 8001 alongside bridge.py.

Access at: http://localhost:8001
"""

import json
import shutil
from pathlib import Path

from fastapi import FastAPI, HTTPException, UploadFile, File
from fastapi.responses import HTMLResponse, FileResponse
from pydantic import BaseModel
import uvicorn

SPEAKERS_FILE  = Path(__file__).parent / "speakers.json"
RECORDINGS_DIR = Path(__file__).parent / "recordings"
RECORDINGS_DIR.mkdir(exist_ok=True)

app = FastAPI(title="Speaker Admin")

# ── Data helpers ──────────────────────────────────────────────────────────────

def _load() -> dict[str, str]:
    if SPEAKERS_FILE.exists():
        try:
            return json.loads(SPEAKERS_FILE.read_text(encoding="utf-8"))
        except Exception:
            pass
    return {}


def _save(data: dict[str, str]) -> None:
    SPEAKERS_FILE.write_text(
        json.dumps(data, indent=2, ensure_ascii=False), encoding="utf-8"
    )


def _recording_path(sid: str) -> Path | None:
    for ext in (".wav", ".mp3", ".m4a", ".ogg", ".webm", ".flac"):
        p = RECORDINGS_DIR / f"{sid}{ext}"
        if p.exists():
            return p
    return None


# ── API ───────────────────────────────────────────────────────────────────────

class NameBody(BaseModel):
    name: str

class AddBody(BaseModel):
    id: str
    name: str


@app.get("/api/speakers")
def api_list():
    speakers = _load()
    return {"speakers": [
        {"id": k, "name": v, "has_recording": _recording_path(k) is not None}
        for k, v in sorted(speakers.items())
    ]}


@app.post("/api/speakers")
def api_add(body: AddBody):
    speakers = _load()
    sid = body.id.strip()
    if not sid:
        raise HTTPException(400, "Speaker ID cannot be empty")
    if sid in speakers:
        raise HTTPException(400, f"'{sid}' already exists")
    speakers[sid] = body.name.strip()
    _save(speakers)
    return {"ok": True, "id": sid, "name": speakers[sid]}


@app.put("/api/speakers/{sid}")
def api_update(sid: str, body: NameBody):
    name = body.name.strip()
    if not name:
        raise HTTPException(400, "Name cannot be empty")
    speakers = _load()
    speakers[sid] = name
    _save(speakers)
    return {"ok": True}


@app.delete("/api/speakers/{sid}")
def api_delete(sid: str):
    speakers = _load()
    speakers.pop(sid, None)
    _save(speakers)
    rec = _recording_path(sid)
    if rec:
        rec.unlink()
    return {"ok": True}


@app.post("/api/speakers/{sid}/recording")
async def api_upload(sid: str, file: UploadFile = File(...)):
    suffix = Path(file.filename or "audio.wav").suffix.lower() or ".wav"
    rec = _recording_path(sid)
    if rec:
        rec.unlink()
    out = RECORDINGS_DIR / f"{sid}{suffix}"
    with out.open("wb") as f:
        shutil.copyfileobj(file.file, f)
    speakers = _load()
    if sid not in speakers:
        speakers[sid] = sid
        _save(speakers)
    size_kb = round(out.stat().st_size / 1024)
    return {"ok": True, "file": out.name, "kb": size_kb}


@app.get("/api/speakers/{sid}/recording")
def api_playback(sid: str):
    rec = _recording_path(sid)
    if not rec:
        raise HTTPException(404, "No recording found")
    return FileResponse(rec)


# ── Web UI ────────────────────────────────────────────────────────────────────

HTML = """<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Speaker Admin</title>
<style>
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

  body { font-family: system-ui, sans-serif; background: #f0f4f8; color: #1e293b; }

  header {
    background: #1e3a5f; color: white; padding: 16px 24px;
    display: flex; align-items: center; gap: 16px;
  }
  header h1 { font-size: 1.2rem; font-weight: 600; flex: 1; }
  header small { opacity: .7; font-size: .8rem; }

  .toolbar {
    background: white; padding: 12px 24px;
    display: flex; gap: 12px; align-items: center;
    border-bottom: 1px solid #e2e8f0;
  }
  .toolbar input[type=search] {
    flex: 1; max-width: 340px; padding: 8px 12px;
    border: 1px solid #cbd5e1; border-radius: 6px; font-size: .95rem;
  }
  .count { color: #64748b; font-size: .9rem; margin-left: auto; }

  .btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 16px; border-radius: 6px; border: none;
    cursor: pointer; font-size: .9rem; font-weight: 500; transition: filter .15s;
  }
  .btn:hover { filter: brightness(.92); }
  .btn-primary  { background: #2563eb; color: white; }
  .btn-danger   { background: #dc2626; color: white; }
  .btn-ghost    { background: #e2e8f0; color: #334155; }
  .btn-sm { padding: 4px 10px; font-size: .82rem; }

  table { width: 100%; border-collapse: collapse; background: white; }
  th {
    text-align: left; padding: 10px 16px; font-size: .8rem;
    font-weight: 600; text-transform: uppercase; letter-spacing: .05em;
    color: #64748b; background: #f8fafc; border-bottom: 1px solid #e2e8f0;
  }
  td { padding: 10px 16px; border-bottom: 1px solid #f1f5f9; vertical-align: middle; }
  tr:hover td { background: #f8fafc; }
  tr.hidden { display: none; }

  .sid { font-family: monospace; font-size: .85rem; color: #475569; }

  .name-cell { display: flex; align-items: center; gap: 8px; }
  .name-display { cursor: pointer; flex: 1; }
  .name-display:hover { text-decoration: underline; }
  .name-input {
    flex: 1; padding: 4px 8px; border: 1px solid #2563eb;
    border-radius: 4px; font-size: .95rem; outline: none;
  }

  .rec-badge {
    display: inline-flex; align-items: center; gap: 4px;
    font-size: .75rem; padding: 2px 8px; border-radius: 999px;
    font-weight: 500;
  }
  .rec-yes { background: #dcfce7; color: #166534; }
  .rec-no  { background: #f1f5f9; color: #94a3b8; }

  .actions { display: flex; gap: 6px; }

  /* Modal */
  .modal-bg {
    display: none; position: fixed; inset: 0;
    background: rgba(0,0,0,.45); z-index: 100;
    align-items: center; justify-content: center;
  }
  .modal-bg.open { display: flex; }
  .modal {
    background: white; border-radius: 10px; padding: 28px;
    width: 420px; max-width: 95vw; box-shadow: 0 20px 60px rgba(0,0,0,.25);
  }
  .modal h2 { font-size: 1.1rem; margin-bottom: 16px; }
  .field { margin-bottom: 14px; }
  .field label { display: block; font-size: .85rem; font-weight: 500; margin-bottom: 4px; }
  .field input {
    width: 100%; padding: 8px 10px; border: 1px solid #cbd5e1;
    border-radius: 6px; font-size: .95rem;
  }
  .field input:focus { outline: 2px solid #2563eb; border-color: transparent; }
  .modal-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 20px; }

  /* Upload */
  .upload-area {
    border: 2px dashed #cbd5e1; border-radius: 8px; padding: 16px;
    text-align: center; cursor: pointer; transition: border-color .2s;
    color: #64748b; font-size: .9rem;
  }
  .upload-area.drag { border-color: #2563eb; background: #eff6ff; }
  .upload-area input[type=file] { display: none; }

  /* Audio player */
  .audio-player { width: 180px; height: 32px; }

  /* Toast */
  #toast {
    position: fixed; bottom: 24px; right: 24px;
    background: #1e293b; color: white; padding: 10px 18px;
    border-radius: 8px; font-size: .9rem; transform: translateY(80px);
    transition: transform .25s; z-index: 200; pointer-events: none;
  }
  #toast.show { transform: translateY(0); }
  #toast.error { background: #dc2626; }

  .container { max-width: 1100px; margin: 0 auto; padding: 24px; }

  audio { vertical-align: middle; }
</style>
</head>
<body>

<header>
  <div>
    <h1>&#127908; Speaker Admin</h1>
    <small>Church Live Transcription — Speaker Name &amp; Voice Library</small>
  </div>
</header>

<div class="toolbar">
  <input type="search" id="search" placeholder="Search by ID or name…" oninput="filterTable()">
  <button class="btn btn-primary" onclick="openAddModal()">&#43; Add Speaker</button>
  <span class="count" id="count"></span>
</div>

<div class="container">
  <table id="table">
    <thead>
      <tr>
        <th>Speaker ID</th>
        <th>Friendly Name</th>
        <th>Voice Sample</th>
        <th>Actions</th>
      </tr>
    </thead>
    <tbody id="tbody"></tbody>
  </table>
</div>

<!-- Add modal -->
<div class="modal-bg" id="add-modal" onclick="closeAddModal(event)">
  <div class="modal">
    <h2>Add Speaker</h2>
    <div class="field">
      <label>Speaker ID
        <span style="color:#64748b;font-weight:normal;font-size:.8rem">
          (e.g. SPEAKER_00, or any unique key)
        </span>
      </label>
      <input id="new-id" placeholder="SPEAKER_00">
    </div>
    <div class="field">
      <label>Friendly Name</label>
      <input id="new-name" placeholder="Pastor John">
    </div>
    <div class="modal-actions">
      <button class="btn btn-ghost" onclick="closeAddModal()">Cancel</button>
      <button class="btn btn-primary" onclick="addSpeaker()">Add</button>
    </div>
  </div>
</div>

<!-- Upload modal -->
<div class="modal-bg" id="upload-modal" onclick="closeUploadModal(event)">
  <div class="modal">
    <h2 id="upload-title">Upload Voice Sample</h2>
    <p style="color:#64748b;font-size:.85rem;margin-bottom:12px">
      Upload a 10–60 second clear speech recording.<br>
      Supported: WAV, MP3, M4A, OGG, FLAC, WebM
    </p>
    <div class="upload-area" id="drop-zone"
         ondragover="onDragOver(event)" ondragleave="onDragLeave(event)"
         ondrop="onDrop(event)" onclick="document.getElementById('file-input').click()">
      <input type="file" id="file-input" accept="audio/*" onchange="uploadFile(this.files[0])">
      <div>&#127926; Drag &amp; drop audio here, or click to browse</div>
    </div>
    <div id="upload-status" style="margin-top:10px;font-size:.85rem;color:#166534"></div>
    <div class="modal-actions">
      <button class="btn btn-ghost" onclick="closeUploadModal()">Close</button>
    </div>
  </div>
</div>

<div id="toast"></div>

<script>
let speakers = [];
let uploadTarget = null;

// ── Load & render ─────────────────────────────────────────────────────────────

async function load() {
  const res = await fetch('/api/speakers');
  const data = await res.json();
  speakers = data.speakers;
  render();
}

function render() {
  const tbody = document.getElementById('tbody');
  tbody.innerHTML = '';
  speakers.forEach(s => tbody.appendChild(makeRow(s)));
  document.getElementById('count').textContent = `${speakers.length} speaker${speakers.length !== 1 ? 's' : ''}`;
  filterTable();
}

function makeRow(s) {
  const tr = document.createElement('tr');
  tr.dataset.id   = s.id;
  tr.dataset.name = s.name.toLowerCase();

  const recHtml = s.has_recording
    ? `<span class="rec-badge rec-yes">&#9654; Recorded</span>
       <audio class="audio-player" controls preload="none"
         src="/api/speakers/${encodeURIComponent(s.id)}/recording"></audio>`
    : `<span class="rec-badge rec-no">No sample</span>`;

  tr.innerHTML = `
    <td class="sid">${esc(s.id)}</td>
    <td>
      <div class="name-cell">
        <span class="name-display" onclick="startEdit(this, '${esc(s.id)}')"
              title="Click to edit">${esc(s.name)}</span>
        <input class="name-input" style="display:none"
               onblur="saveEdit(this,'${esc(s.id)}')"
               onkeydown="nameKeydown(event,this,'${esc(s.id)}')">
      </div>
    </td>
    <td>${recHtml}</td>
    <td>
      <div class="actions">
        <button class="btn btn-ghost btn-sm"
                onclick="openUploadModal('${esc(s.id)}', '${esc(s.name)}')">
          &#127926; ${s.has_recording ? 'Replace' : 'Upload'}
        </button>
        <button class="btn btn-danger btn-sm"
                onclick="deleteSpeaker('${esc(s.id)}')">&#128465;</button>
      </div>
    </td>`;
  return tr;
}

function esc(str) {
  return str.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;')
            .replace(/"/g,'&quot;').replace(/'/g,'&#39;');
}

// ── Search ────────────────────────────────────────────────────────────────────

function filterTable() {
  const q = document.getElementById('search').value.toLowerCase().trim();
  let visible = 0;
  document.querySelectorAll('#tbody tr').forEach(tr => {
    const match = !q || tr.dataset.id.includes(q) || tr.dataset.name.includes(q);
    tr.classList.toggle('hidden', !match);
    if (match) visible++;
  });
  document.getElementById('count').textContent =
    q ? `${visible} of ${speakers.length} speakers` : `${speakers.length} speakers`;
}

// ── Inline edit ───────────────────────────────────────────────────────────────

function startEdit(span, id) {
  const input = span.nextElementSibling;
  input.value = span.textContent;
  span.style.display = 'none';
  input.style.display = '';
  input.focus();
  input.select();
}

function nameKeydown(e, input, id) {
  if (e.key === 'Enter')  { input.blur(); }
  if (e.key === 'Escape') { cancelEdit(input); }
}

function cancelEdit(input) {
  const span = input.previousElementSibling;
  input.style.display = 'none';
  span.style.display = '';
}

async function saveEdit(input, id) {
  const name = input.value.trim();
  const span  = input.previousElementSibling;
  if (!name || name === span.textContent) { cancelEdit(input); return; }
  const res = await fetch(`/api/speakers/${encodeURIComponent(id)}`, {
    method: 'PUT',
    headers: {'Content-Type': 'application/json'},
    body: JSON.stringify({name})
  });
  if (res.ok) {
    span.textContent = name;
    const tr = input.closest('tr');
    tr.dataset.name = name.toLowerCase();
    toast('Saved');
  } else {
    toast('Save failed', true);
  }
  cancelEdit(input);
}

// ── Add speaker ───────────────────────────────────────────────────────────────

function openAddModal() {
  const nums = speakers
    .filter(s => /^SPEAKER_\d+$/.test(s.id))
    .map(s => parseInt(s.id.split('_')[1]));
  const next = nums.length ? Math.max(...nums) + 1 : 0;
  document.getElementById('new-id').value   = `SPEAKER_${String(next).padStart(2,'0')}`;
  document.getElementById('new-name').value = '';
  document.getElementById('add-modal').classList.add('open');
  setTimeout(() => document.getElementById('new-name').focus(), 50);
}

function closeAddModal(e) {
  if (!e || e.target === document.getElementById('add-modal'))
    document.getElementById('add-modal').classList.remove('open');
}

async function addSpeaker() {
  const id   = document.getElementById('new-id').value.trim();
  const name = document.getElementById('new-name').value.trim();
  if (!id || !name) { toast('ID and name are required', true); return; }
  const res = await fetch('/api/speakers', {
    method: 'POST',
    headers: {'Content-Type': 'application/json'},
    body: JSON.stringify({id, name})
  });
  if (res.ok) {
    closeAddModal();
    toast(`Added ${name}`);
    await load();
  } else {
    const err = await res.json().catch(() => ({detail:'Error'}));
    toast(err.detail || 'Failed', true);
  }
}

// ── Delete ────────────────────────────────────────────────────────────────────

async function deleteSpeaker(id) {
  const s = speakers.find(x => x.id === id);
  if (!confirm(`Remove "${s?.name || id}" from the speaker list?`)) return;
  const res = await fetch(`/api/speakers/${encodeURIComponent(id)}`, {method:'DELETE'});
  if (res.ok) { toast('Removed'); await load(); }
  else        { toast('Delete failed', true); }
}

// ── Upload modal ──────────────────────────────────────────────────────────────

function openUploadModal(id, name) {
  uploadTarget = id;
  document.getElementById('upload-title').textContent = `Voice Sample — ${name}`;
  document.getElementById('upload-status').textContent = '';
  document.getElementById('file-input').value = '';
  document.getElementById('upload-modal').classList.add('open');
}

function closeUploadModal(e) {
  if (!e || e.target === document.getElementById('upload-modal')) {
    document.getElementById('upload-modal').classList.remove('open');
    uploadTarget = null;
    load();
  }
}

function onDragOver(e)  { e.preventDefault(); document.getElementById('drop-zone').classList.add('drag'); }
function onDragLeave()  { document.getElementById('drop-zone').classList.remove('drag'); }
function onDrop(e)      { e.preventDefault(); onDragLeave(); uploadFile(e.dataTransfer.files[0]); }

async function uploadFile(file) {
  if (!file || !uploadTarget) return;
  const status = document.getElementById('upload-status');
  status.style.color = '#2563eb';
  status.textContent = `Uploading ${file.name} (${Math.round(file.size/1024)} KB)…`;
  const form = new FormData();
  form.append('file', file);
  const res = await fetch(`/api/speakers/${encodeURIComponent(uploadTarget)}/recording`, {
    method: 'POST', body: form
  });
  if (res.ok) {
    const data = await res.json();
    status.style.color = '#166534';
    status.textContent = `✓ Saved — ${data.file} (${data.kb} KB)`;
    toast('Recording saved');
  } else {
    status.style.color = '#dc2626';
    status.textContent = 'Upload failed';
    toast('Upload failed', true);
  }
}

// ── Toast ─────────────────────────────────────────────────────────────────────

let toastTimer;
function toast(msg, error = false) {
  const el = document.getElementById('toast');
  el.textContent = msg;
  el.className = 'show' + (error ? ' error' : '');
  clearTimeout(toastTimer);
  toastTimer = setTimeout(() => el.className = '', 2500);
}

// ── Keyboard shortcuts ────────────────────────────────────────────────────────

document.addEventListener('keydown', e => {
  if (e.key === 'Escape') {
    closeAddModal();
    closeUploadModal();
  }
  if ((e.ctrlKey || e.metaKey) && e.key === 'f') {
    e.preventDefault();
    document.getElementById('search').focus();
  }
});

// ── Boot ──────────────────────────────────────────────────────────────────────

load();
</script>
</body>
</html>
"""

@app.get("/", response_class=HTMLResponse)
def index():
    return HTML


# ── Entry point ───────────────────────────────────────────────────────────────

if __name__ == "__main__":
    print("[Admin] Speaker admin running at http://localhost:8001")
    uvicorn.run(app, host="0.0.0.0", port=8001, log_level="warning")