hollow_clock_wifi/dashboard.cpp at main · UniqueDing/hollow_clock_wifi · GitHub

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#include "dashboard.h"

#include <string>

const char index_html[] PROGMEM = R"rawliteral(
<!DOCTYPE HTML><html>
<head>
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <style>
    :root {
      --bg: #f3f6fb;
      --bg-start: #ffffff;
      --card: #ffffff;
      --text: #1f2937;
      --muted: #64748b;
      --accent: #0f766e;
      --accent-soft: #ccfbf1;
      --border: #dbe4ee;
      --danger: #b91c1c;
      --danger-bg: #fee2e2;
      --shadow: 0 10px 28px rgba(15, 23, 42, 0.08);
    }
    * {
      box-sizing: border-box;
    }
    html {
      font-family: "Segoe UI", "Noto Sans", "Helvetica Neue", sans-serif;
      font-size: 16px;
      color: var(--text);
      background: radial-gradient(circle at top left, var(--bg-start) 0%, var(--bg) 55%);
    }
    body {
      margin: 0;
      padding: 1.2rem;
    }
    .page {
      width: min(860px, 100%);
      margin: 0 auto;
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: 16px;
      box-shadow: var(--shadow);
      overflow: hidden;
    }
    .header {
      padding: 1.1rem 1.2rem;
      background: linear-gradient(135deg, #0f766e 0%, #115e59 100%);
      color: #f8fafc;
      border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    }
    .header h2 {
      margin: 0;
      font-size: 1.25rem;
      font-weight: 700;
      letter-spacing: 0.02em;
    }
    .list {
      padding: 0.85rem;
      display: grid;
      gap: 0.6rem;
    }
    .entry {
      display: flex;
      align-items: center;
      gap: 0.55rem;
      padding: 0.65rem 0.8rem;
      border: 1px solid var(--border);
      border-radius: 12px;
      background: #ffffff;
      min-height: 3rem;
      line-height: 1.35;
    }
    .label {
      display: inline-block;
      min-width: 10rem;
      color: var(--muted);
      font-size: 0.86rem;
      font-weight: 600;
      letter-spacing: 0.03em;
      text-transform: uppercase;
    }
    .value {
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--text);
      word-break: break-word;
    }
    .static-value {
      display: inline-flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 0.55rem;
      color: var(--text);
    }
    .calibration-controls {
      display: inline-flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 0.65rem;
    }
    .activity {
      font-size: 0.72rem;
      color: var(--accent);
      min-width: 0.6rem;
    }
    .error {
      background-color: var(--danger-bg);
      color: var(--danger);
      border-radius: 6px;
      padding: 0.1rem 0.35rem;
    }
    form {
      display: inline-flex;
      align-items: center;
      gap: 0.45rem;
      margin: 0;
      flex-wrap: wrap;
    }
    input[type='number'] {
      width: 4.2rem;
      height: 2rem;
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 0 0.45rem;
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text);
      background: #f8fbff;
    }
    input[type='number']:focus {
      outline: none;
      border-color: var(--accent);
      box-shadow: 0 0 0 2px rgba(15, 118, 110, 0.16);
      background: #ffffff;
    }
    button {
      height: 2rem;
      border: none;
      border-radius: 8px;
      padding: 0 0.8rem;
      background: var(--accent);
      color: #f8fafc;
      font-size: 0.9rem;
      font-weight: 700;
      cursor: pointer;
    }
    button:active {
      transform: translateY(1px);
    }
    strong {
      background: var(--accent-soft);
      color: #115e59;
      border-radius: 999px;
      padding: 0.3rem 0.55rem;
      font-size: 0.8rem;
      font-weight: 700;
    }
    @media (max-width: 640px) {
      body {
        padding: 0.7rem;
      }
      .entry {
        align-items: flex-start;
        flex-direction: column;
      }
      .label {
        min-width: 0;
      }
    }
    @media (prefers-color-scheme: dark) {
      :root {
        --bg: #0f172a;
        --bg-start: #111827;
        --card: #111827;
        --text: #e5e7eb;
        --muted: #9ca3af;
        --accent: #14b8a6;
        --accent-soft: #134e4a;
        --border: #1f2937;
        --danger: #fecaca;
        --danger-bg: #7f1d1d;
        --shadow: 0 12px 30px rgba(2, 6, 23, 0.65);
      }
      .entry {
        background: #0b1220;
      }
      .header {
        border-bottom-color: rgba(255, 255, 255, 0.08);
      }
      input[type='number'] {
        background: #0f172a;
      }
      input[type='number']:focus {
        background: #0b1220;
      }
      strong {
        color: #99f6e4;
      }
    }
  </style>
</head>
<body>
  <div class='page'>
    <div class='header'>
      <h2>Hollow Clock Dashboard</h2>
    </div>
    <div class='list'>
      %LIST%
    </div>
  </div>
</body>
<script>
function showActivity(id) {
  document.getElementById('activity-' + id).innerHTML = '^';
  setTimeout(function() {
    document.getElementById('activity-' + id).innerHTML = '';
  }, 500);
}

function getValue(id) {
  var xhttp = new XMLHttpRequest();
  xhttp.timeout = 10 * 1000;
  xhttp.onload = function() {
    document.getElementById("value-" + id).innerHTML = this.responseText;
    document.getElementById("value-" + id).classList.remove('error');
    showActivity(id);
  };
  let errorFn = function() {
    document.getElementById("value-" + id).classList.add('error');
  };
  xhttp.onerror = errorFn;
  xhttp.onabort = errorFn;
  xhttp.ontimeout = errorFn;
  xhttp.open("GET", "/get-" + id, true);
  xhttp.send();
}

%SCRIPT%

</script>
</html>)rawliteral";

String list;
String script;

String processor(const String &var) {
  if (var == "LIST") {
    return list;
  } else if (var == "SCRIPT") {
    return script;
  } else {
    Serial.println("Warning: unhandled template string: " + var);
  }

  return String();
}

void Dashboard::Add(std::string name, std::function<std::string()> callback,
                    uint32_t refresh_millis) {
  // Add element to template
  std::ostringstream list_stream;
  list_stream << "<div class='entry'><span class='label'>" << name
              << "</span><span id='value-" << std::dec << next_id_
              << "' class='value'></span><span class='activity' id='activity-"
              << next_id_ << "'></span></div>\n";
  list += list_stream.str().c_str();

  uint32_t initial_delay = 75U * static_cast<uint32_t>(next_id_);
  std::ostringstream script_stream;
  script_stream << "setTimeout(function() { getValue('" << std::dec << next_id_
                << "'); }, " << initial_delay << ");\n";
  script_stream << "setTimeout(function poll" << std::dec << next_id_
                << "() { getValue('" << next_id_ << "'); setTimeout(poll"
                << next_id_ << ", " << refresh_millis << "); }, "
                << (initial_delay + refresh_millis) << ");\n";
  script += script_stream.str().c_str();

  // Register endpoint for getting value
  String path = String("/get-") + String(next_id_);
  server_->on(path.c_str(), HTTP_GET,
              [callback, this](AsyncWebServerRequest *request) {
                last_used_ = millis();
                std::string value = callback();
                request->send(200, "text/plain", value.c_str());
              });

  next_id_++;
}

void Dashboard::AddStaticHtml(std::string name, std::string html) {
  std::ostringstream list_stream;
  list_stream << "<div class='entry'><span class='label'>" << name
              << "</span><span class='static-value'>" << html
              << "</span></div>\n";
  list += list_stream.str().c_str();
}

void Dashboard::Add(std::string name, bool &value_ptr,
                    uint32_t refresh_millis) {
  Add(
      name, [&value_ptr]() { return value_ptr ? "true" : "false"; },
      refresh_millis);
}

uint32_t Dashboard::last_used() { return last_used_; }

Dashboard::Dashboard(AsyncWebServer *server) : server_(server) {
  server->on("/", HTTP_GET, [this](AsyncWebServerRequest *request) {
    last_used_ = millis();
    request->send_P(200, "text/html", index_html, processor);
  });
}