Assistant De Bureau Multifonction

#include <Arduino.h>
#include <ESP8266WiFi.h>
#include <ESP8266WebServer.h>
#include <WiFiUdp.h>
#include <NTPClient.h>
#include <EEPROM.h>
#include <SPI.h>
#include <Adafruit_GFX.h>
#include <Adafruit_ST7789.h>

#define TFT_SCLK 14
#define TFT_MOSI 13
#define TFT_CS 15
#define TFT_DC 4
#define LED_PIN 16
#define BUTTON_PREVIOUS 12
#define BUTTON_NEXT 3
#define BUTTON_CONFIRM 1


// Hoisted type definitions
struct Settings {
  uint32_t magic;
  char ssid[33];
  char password[65];
  bool clockEnabled;
  bool companionEnabled;
  bool saverEnabled;
  bool timerEnabled;
  bool messageEnabled;
  char message[22];
};

enum Mode { CLOCK_MODE, COMPANION_MODE, SAVER_MODE, TIMER_MODE, MESSAGE_MODE };


// Forward declarations
void saveSettings();
void loadSettings();
bool enabled(Mode m);
Mode nextEnabled(Mode from, int direction);
void drawBackground();
void timeStrings(char *hm, size_t hms, char *date, size_t dates);
void drawClock(bool small);
void drawCompanion();
void drawTimer();
void drawMessage();
void drawSelector();
void render(bool force);
bool pressed(uint8_t pin);
void handleInputs();
String checked(bool state);
void handleRoot();
void handleSave();

const uint16_t SCREEN_W = 76;
const uint16_t SCREEN_H = 284;
const char *AP_NAME = "Assistant-Bureau";
const char *AP_PASSWORD = "monassistant";
const long UTC_OFFSET_SECONDS = 7200;  // France métropolitaine en heure d'été; modifiable sur la page web.

Adafruit_ST7789 tft = Adafruit_ST7789(TFT_CS, TFT_DC, -1);
ESP8266WebServer server(80);
WiFiUDP ntpUDP;
NTPClient ntp(ntpUDP, "pool.ntp.org", UTC_OFFSET_SECONDS, 60000);



Settings settings;
const uint32_t SETTINGS_MAGIC = 0x41535431;


Mode currentMode = CLOCK_MODE;
Mode selectedMode = CLOCK_MODE;
bool selecting = false;
uint32_t lastInputMs = 0;
uint32_t lastClockDraw = 0;
uint32_t lastAnimationMs = 0;
uint32_t timerStartMs = 0;
uint8_t faceFrame = 0;

void saveSettings() {
  EEPROM.put(0, settings);
  EEPROM.commit();
}

void loadSettings() {
  EEPROM.begin(256);
  EEPROM.get(0, settings);
  if (settings.magic != SETTINGS_MAGIC) {
    memset(&settings, 0, sizeof(settings));
    settings.magic = SETTINGS_MAGIC;
    settings.clockEnabled = true;
    settings.companionEnabled = true;
    settings.saverEnabled = true;
    settings.timerEnabled = true;
    settings.messageEnabled = true;
    strncpy(settings.message, "Bonne journee !", sizeof(settings.message) - 1);
    saveSettings();
  }
}

bool enabled(Mode m) {
  if (m == CLOCK_MODE) return settings.clockEnabled;
  if (m == COMPANION_MODE) return settings.companionEnabled;
  if (m == SAVER_MODE) return settings.saverEnabled;
  if (m == TIMER_MODE) return settings.timerEnabled;
  return settings.messageEnabled;
}

const char *modeName(Mode m) {
  if (m == CLOCK_MODE) return "Horloge";
  if (m == COMPANION_MODE) return "Compagnon";
  if (m == SAVER_MODE) return "Veille";
  if (m == TIMER_MODE) return "Minuteur";
  return "Message";
}

Mode nextEnabled(Mode from, int direction) {
  for (uint8_t tries = 0; tries < 5; tries++) {
    int n = ((int)from + direction + 5) % 5;
    from = (Mode)n;
    if (enabled(from)) return from;
  }
  return CLOCK_MODE;
}

void drawBackground() {
  tft.fillScreen(ST77XX_BLACK);
  for (int y = 0; y < SCREEN_H; y += 12) {
    uint16_t color = tft.color565(4, 10 + (y / 4), 32 + (y / 3));
    tft.fillRect(0, y, SCREEN_W, 12, color);
  }
  tft.fillCircle(62, 23, 21, tft.color565(16, 68, 116));
  tft.fillCircle(8, 255, 25, tft.color565(22, 30, 94));
}

void timeStrings(char *hm, size_t hms, char *date, size_t dates) {
  if (!ntp.isTimeSet()) {
    strncpy(hm, "--:--", hms);
    strncpy(date, "Connexion Wi-Fi", dates);
    return;
  }
  unsigned long raw = ntp.getEpochTime();
  time_t epoch = raw;
  struct tm *tmInfo = gmtime(&epoch);
  snprintf(hm, hms, "%02d:%02d", tmInfo->tm_hour, tmInfo->tm_min);
  const char *days[] = {"Dim", "Lun", "Mar", "Mer", "Jeu", "Ven", "Sam"};
  snprintf(date, dates, "%s %02d/%02d", days[tmInfo->tm_wday], tmInfo->tm_mday, tmInfo->tm_mon + 1);
}

void drawClock(bool small) {
  char hm[8], date[18];
  timeStrings(hm, sizeof(hm), date, sizeof(date));
  drawBackground();
  if (small) {
    tft.setTextColor(ST77XX_WHITE);
    tft.setTextSize(1);
    tft.setCursor(3, 4);
    tft.print(hm);
    tft.setCursor(31, 4);
    tft.print(date);
    tft.drawFastHLine(0, 16, SCREEN_W, ST77XX_CYAN);
    tft.setTextSize(3);
    tft.setCursor(5, 120);
    tft.setTextColor(ST77XX_CYAN);
    tft.print(hm);
  } else {
    tft.setTextColor(ST77XX_CYAN);
    tft.setTextSize(3);
    tft.setCursor(3, 105);
    tft.print(hm);
    tft.setTextColor(ST77XX_WHITE);
    tft.setTextSize(1);
    tft.setCursor(7, 150);
    tft.print(date);
    tft.setCursor(6, 185);
    tft.setTextColor(tft.color565(135, 206, 235));
    tft.print("Assistant bureau");
  }
}

void drawCompanion() {
  drawBackground();
  uint16_t skin = tft.color565(72, 180, 230);
  tft.fillRoundRect(8, 82, 60, 82, 18, skin);
  tft.fillCircle(26, 116, 7, ST77XX_BLACK);
  tft.fillCircle(50, 116, 7, ST77XX_BLACK);
  if (faceFrame == 0) {
    tft.drawFastHLine(22, 143, 32, ST77XX_BLACK);
  } else if (faceFrame == 1) {
    tft.drawCircle(38, 139, 13, ST77XX_BLACK);
    tft.fillRect(24, 126, 28, 13, skin);
  } else {
    tft.fillCircle(38, 141, 11, ST77XX_BLACK);
  }
  tft.setTextSize(1);
  tft.setTextColor(ST77XX_WHITE);
  tft.setCursor(12, 185);
  tft.print("Salut !");
}

void drawTimer() {
  drawBackground();
  uint32_t elapsed = (millis() - timerStartMs) / 1000;
  uint16_t mins = elapsed / 60;
  uint8_t secs = elapsed % 60;
  char text[8];
  snprintf(text, sizeof(text), "%02u:%02u", mins, secs);
  tft.setTextColor(ST77XX_YELLOW);
  tft.setTextSize(2);
  tft.setCursor(4, 88);
  tft.print("MINUTEUR");
  tft.setTextColor(ST77XX_WHITE);
  tft.setTextSize(3);
  tft.setCursor(2, 130);
  tft.print(text);
  tft.setTextSize(1);
  tft.setCursor(8, 185);
  tft.print("Confirmer: repartir");
}

void drawMessage() {
  drawBackground();
  tft.setTextColor(ST77XX_MAGENTA);
  tft.setTextSize(2);
  tft.setCursor(8, 90);
  tft.print("PENSE-BETE");
  tft.setTextColor(ST77XX_WHITE);
  tft.setTextSize(1);
  tft.setCursor(5, 130);
  tft.print(settings.message);
}

void drawSelector() {
  drawBackground();
  tft.setTextColor(ST77XX_CYAN);
  tft.setTextSize(1);
  tft.setCursor(7, 63);
  tft.print("CHOISIR UN MODE");
  tft.drawRoundRect(4, 107, 68, 35, 5, ST77XX_YELLOW);
  tft.setTextColor(ST77XX_WHITE);
  tft.setTextSize(2);
  tft.setCursor(8, 118);
  tft.print(modeName(selectedMode));
  tft.setTextSize(1);
  tft.setCursor(5, 166);
  tft.print("D6: precedent");
  tft.setCursor(5, 181);
  tft.print("RX: suivant");
  tft.setCursor(5, 196);
  tft.print("TX: confirmer");
}

void render(bool force = false) {
  if (selecting) {
    drawSelector();
    return;
  }
  if (currentMode == CLOCK_MODE) drawClock(false);
  else if (currentMode == COMPANION_MODE) drawCompanion();
  else if (currentMode == SAVER_MODE) drawClock(true);
  else if (currentMode == TIMER_MODE) drawTimer();
  else drawMessage();
  digitalWrite(LED_PIN, currentMode == COMPANION_MODE ? HIGH : LOW);
}

bool pressed(uint8_t pin) {
  if (digitalRead(pin) == LOW && millis() - lastInputMs > 220) {
    lastInputMs = millis();
    return true;
  }
  return false;
}

void handleInputs() {
  if (pressed(BUTTON_PREVIOUS)) {
    if (!selecting) { selecting = true; selectedMode = currentMode; }
    else selectedMode = nextEnabled(selectedMode, -1);
    render(true);
  }
  if (pressed(BUTTON_NEXT)) {
    if (!selecting) { selecting = true; selectedMode = currentMode; }
    else selectedMode = nextEnabled(selectedMode, 1);
    render(true);
  }
  if (pressed(BUTTON_CONFIRM)) {
    if (selecting) {
      currentMode = selectedMode;
      selecting = false;
      if (currentMode == TIMER_MODE) timerStartMs = millis();
    } else if (currentMode == TIMER_MODE) {
      timerStartMs = millis();
    } else {
      selecting = true;
      selectedMode = currentMode;
    }
    render(true);
  }
}

String checked(bool state) { return state ? " checked" : ""; }
void handleRoot() {
  String page = F("<!doctype html><html><meta name='viewport' content='width=device-width,initial-scale=1'><style>body{font-family:sans-serif;background:#07152d;color:#eef;padding:18px;max-width:560px;margin:auto}input{width:100%;box-sizing:border-box;margin:6px 0;padding:10px;border-radius:7px;border:0}button{padding:11px;background:#37bbed;border:0;border-radius:8px;font-weight:bold}label{display:block;padding:5px}</style><h1>Assistant de bureau</h1><p>Connecte le NodeMCU à ton Wi-Fi pour obtenir automatiquement l'heure et la date.</p><form action='/save' method='post'><h2>Wi-Fi de la maison</h2><input name='ssid' placeholder='Nom du Wi-Fi' value='");
  page += settings.ssid;
  page += F("'><input name='password' type='password' placeholder='Mot de passe Wi-Fi'><h2>Modes visibles</h2><label><input type='checkbox' name='clock'"); page += checked(settings.clockEnabled); page += F("> Horloge</label><label><input type='checkbox' name='companion'"); page += checked(settings.companionEnabled); page += F("> Compagnon animé</label><label><input type='checkbox' name='saver'"); page += checked(settings.saverEnabled); page += F("> Écran de veille</label><label><input type='checkbox' name='timer'"); page += checked(settings.timerEnabled); page += F("> Minuteur</label><label><input type='checkbox' name='messageMode'"); page += checked(settings.messageEnabled); page += F("> Pense-bête</label><h2>Texte du pense-bête</h2><input name='message' maxlength='21' value='");
  page += settings.message;
  page += F("'><button type='submit'>Enregistrer</button></form><hr><p>Réseau local du boîtier : <b>Assistant-Bureau</b><br>Mot de passe : <b>monassistant</b><br>Ouvre ensuite <b>192.168.4.1</b>.</p><p>Le fond graphique est inclus dans le programme ; pour le changer, il faut intégrer une nouvelle image avant le déploiement.</p></html>");
  server.send(200, "text/html; charset=utf-8", page);
}

void handleSave() {
  String ssid = server.arg("ssid");
  String pass = server.arg("password");
  String msg = server.arg("message");
  ssid.toCharArray(settings.ssid, sizeof(settings.ssid));
  if (pass.length() > 0) pass.toCharArray(settings.password, sizeof(settings.password));
  msg.toCharArray(settings.message, sizeof(settings.message));
  settings.clockEnabled = server.hasArg("clock");
  settings.companionEnabled = server.hasArg("companion");
  settings.saverEnabled = server.hasArg("saver");
  settings.timerEnabled = server.hasArg("timer");
  settings.messageEnabled = server.hasArg("messageMode");
  if (!settings.clockEnabled && !settings.companionEnabled && !settings.saverEnabled && !settings.timerEnabled && !settings.messageEnabled) settings.clockEnabled = true;
  saveSettings();
  server.sendHeader("Location", "/");
  server.send(303);
  if (settings.ssid[0]) WiFi.begin(settings.ssid, settings.password);
}

void setup() {
  pinMode(LED_PIN, OUTPUT);
  digitalWrite(LED_PIN, LOW);
  pinMode(BUTTON_PREVIOUS, INPUT_PULLUP);
  pinMode(BUTTON_NEXT, INPUT_PULLUP);
  pinMode(BUTTON_CONFIRM, INPUT_PULLUP);
  SPI.begin();
  tft.init(SCREEN_W, SCREEN_H);
  tft.setRotation(0);
  drawBackground();
  loadSettings();
  WiFi.mode(WIFI_AP_STA);
  WiFi.softAP(AP_NAME, AP_PASSWORD);
  if (settings.ssid[0]) WiFi.begin(settings.ssid, settings.password);
  ntp.begin();
  server.on("/", handleRoot);
  server.on("/save", HTTP_POST, handleSave);
  server.begin();
  render(true);
}

void loop() {
  server.handleClient();
  if (WiFi.status() == WL_CONNECTED) ntp.update();
  handleInputs();
  if (!selecting && currentMode == COMPANION_MODE && millis() - lastAnimationMs >= 500) {
    lastAnimationMs = millis();
    faceFrame = (faceFrame + 1) % 3;
    drawCompanion();
  }
  if (!selecting && currentMode != COMPANION_MODE && millis() - lastClockDraw >= 1000) {
    lastClockDraw = millis();
    render();
  }
}