Cute Weather Tamagotchi

#include <Arduino.h>
#include <TFT_eSPI.h>
#include <WiFi.h>
#include <FS.h>
using fs::FS;
#include <HTTPClient.h>
#include <WiFiClientSecure.h>
#include <ArduinoJson.h>
#include <Preferences.h>
#include <time.h>
#include <Wire.h>
#include <SD.h>
#include <SPI.h>
#include <Adafruit_NeoPixel.h>
Adafruit_NeoPixel pixel(1,25,NEO_GRB + NEO_KHZ800);
bool sdOK=false; int batteryPercent=-1; uint32_t hardwareTick=0;
void readBattery(){
 Wire.beginTransmission(0x75); Wire.write(0x78);
 if(Wire.endTransmission(false)==0 && Wire.requestFrom(0x75,1)==1){
  switch(Wire.read() & 0xF0){case 0xE0:batteryPercent=25;break;case 0xC0:batteryPercent=50;break;case 0x80:batteryPercent=75;break;case 0:batteryPercent=100;break;default:batteryPercent=0;}
 }else batteryPercent=-1;
}

TFT_eSPI tft;
TFT_eSprite frame(&tft);
bool frameOK=false, fahrenheit=false, hour12=false, clockValid=false, summer=false;
String zone="Sin zona", autoCity;
float latitude=0, longitude=0;
bool located=false, dstKnown=false;
long utcOffset=0;
uint32_t animationTick=0, behaviorTick=0;
int phase=0, petX=0, petY=0, mood=0;
uint8_t orientation=0;
uint32_t reactionUntil=0; int reaction=0;
// Native-size canvas: rotate pixels without scaling; touch uses the inverse.
int W(){return orientation%2?240:320;}
int H(){return orientation%2?320:240;}
void resizeCanvas(){
 frame.deleteSprite();frame.setColorDepth(8);
 frameOK=frame.createSprite(W(),H())!=nullptr;
}
void present(){
 if(orientation==0){frame.pushSprite(0,0);return;}
 uint16_t row[320];bool swap=tft.getSwapBytes();tft.setSwapBytes(true);
 tft.startWrite();
 for(int y=0;y<240;y++){
  for(int x=0;x<320;x++){
   int u=x,v=y;
   if(orientation==1){u=y;v=319-x;}
   else if(orientation==2){u=319-x;v=239-y;}
   else if(orientation==3){u=239-y;v=x;}
   row[x]=frame.readPixel(u,v);
  }
  tft.pushImage(0,y,320,1,row);
 }
 tft.endWrite();tft.setSwapBytes(swap);
}
void mapTouch(uint16_t &x,uint16_t &y){
 int a=x,b=y;
 if(orientation==1){x=b;y=319-a;}
 else if(orientation==2){x=319-a;y=239-b;}
 else if(orientation==3){x=239-b;y=a;}
}
bool weatherDay=true;
time_t weatherEpoch=0; uint32_t weatherEpochTick=0;
float moonPhase(){
 time_t now=time(nullptr);
 if(now<1700000000 && weatherEpoch>0)now=weatherEpoch+(millis()-weatherEpochTick)/1000;
 if(now<1700000000)return -1;
 double cycles=((double)now-947182440.0)/2551442.877;
 return cycles-floor(cycles);
}
const char* moonName(float p){
 if(p<0)return "Luna pendiente";
 const char* names[]={"Nueva","Creciente","Cuarto creciente","Gibosa creciente","Llena","Gibosa menguante","Cuarto menguante","Menguante"};
 return names[((int)(p*8+0.5f))%8];
}
bool sceneOnly=false;
uint32_t lastLocation=0, clockTick=0;
int localSeconds=0, shownMinute=-1;
String clockText(){
 if(!clockValid)return "Hora pendiente";
 int h=localSeconds/3600, m=(localSeconds/60)%60;
 char b[24]; if(hour12)snprintf(b,sizeof(b),"%02d:%02d %s",h%12?h%12:12,m,h<12?"AM":"PM");
 else snprintf(b,sizeof(b),"%02d:%02d",h,m);
 return String(b);
}
Preferences prefs;
String ssid, pass, city, message="Hola! Soy Mochi", weather="Clima sin configurar";
int food=80, joy=80, energy=80, code=0;
float temperature=0, feelsLike=0, windSpeed=0;
String countryCode, alertEvent, alertState="Avisos pendientes";
uint32_t lastAlerts=0, weatherGoodTick=0;
bool alertsOK=false;
extern bool validWeather, dirty;
bool getJson(String url, JsonDocument &doc);
bool freshWeather(){return validWeather && millis()-weatherGoodTick<1800000u;}
int climateMood(){
 if(!freshWeather())return 0;
 if(code>=95)return 4;
 if((code>=51&&code<=67)||(code>=80&&code<=82))return 3;
 if(feelsLike<=5)return 2;
 if(feelsLike>=30)return 1;
 if(windSpeed>=40)return 5;
 return 0;
}
String climateMessage(){
 if(!alertEvent.isEmpty())return "Aviso oficial: "+alertEvent;
 switch(climateMood()){
 case 1:return "Que calor! Agua y sombra";
 case 2:return "Brrr! Necesito mi bufanda";
 case 3:return "Llueve! Saco mi paraguas";
 case 4:return "Truenos! Me quedo a cubierto";
 case 5:return "Mucho viento! Me sujeto fuerte";
 default:return "Que bien se esta contigo!";
 }
}
void updateAlerts(){
 lastAlerts=millis();
 if(countryCode!="US"){alertsOK=false;alertEvent="";alertState="Avisos: sin cobertura NWS";dirty=true;return;}
 JsonDocument d;
 if(!getJson("https://api.weather.gov/alerts/active?point="+String(latitude,4)+","+String(longitude,4),d)||!d["features"].is<JsonArray>()){
 alertsOK=false;alertState="Avisos: sin actualizar";dirty=true;return;
 }
 alertEvent="";int best=-1;
 for(JsonObject f:d["features"].as<JsonArray>()){
 JsonObject a=f["properties"];if(a["status"].as<String>()!="Actual")continue;
 String event=a["event"].as<String>(), sev=a["severity"].as<String>();
 int rank=sev=="Extreme"?4:sev=="Severe"?3:sev=="Moderate"?2:1;
 if(rank>best){best=rank;alertEvent=event;}
 }
 alertsOK=true;alertState=alertEvent.isEmpty()?"NWS: sin avisos activos":"NWS: "+alertEvent;
 dirty=true;
}
bool sleeping=false, validWeather=false, dirty=true, ap=true, calibrate=false;
bool nightSleep=false, solarCycleKnown=false;
long solarRise[3]={0,0,0}, solarSet[3]={0,0,0};
bool localDaylight(){
 time_t stamp=time(nullptr);
 if(stamp<=1700000000 && weatherEpoch>1700000000)
  stamp=weatherEpoch+(millis()-weatherEpochTick)/1000;
 for(int i=0;i<3;i++){
  if(solarRise[i]<=0||solarSet[i]<=solarRise[i])continue;
  // Match the local calendar day, including the hours before sunrise.
  if((stamp+utcOffset)/86400==(solarRise[i]+utcOffset)/86400)
   return stamp>=solarRise[i]&&stamp<solarSet[i];
 }
 if(validWeather && millis()-weatherGoodTick<1800000u)return weatherDay;
 return localSeconds>=21600&&localSeconds<64800;
}
uint32_t lastNeeds=0,lastSave=0,lastWeather=0,lastRetry=0,lastTap=0,lastBlink=0;
bool blink=false, wasConnected=false;
uint16_t cal[5];
const uint16_t ink=0xEF7D, pink=0x2497, cream=0x0843;
const uint16_t panel=0x10C6, edge=0x294A, muted=0x9D36, accent=0x6E9B; // menta y azul, sin rosa

// Settings live entirely on the touch screen; credentials stay in NVS flash.
int screen=0, networkCount=0, networkPage=0, keyboardPage=0;
bool scanning=false, caps=false, reveal=false, selectedOpen=false;
String networks[20], input, selectedSSID;
bool openNet[20];
const char* keys[]={"1234567890qwertyuiopasdfghjkl-zxcvbnm_./", "!@#$%^&*()[]{}<>?=+;:,\"'`~|\\"};
void drawSettings();
void handleSettings(uint16_t x,uint16_t y);
void startScan(){
 WiFi.scanDelete();networkCount=0;networkPage=0;scanning=true;
 if(WiFi.scanNetworks(true)==WIFI_SCAN_FAILED)scanning=false;
 dirty=true;
}
String urlEncode(const String &s){ String r; const char *hex="0123456789ABCDEF"; for(size_t i=0;i<s.length();i++){uint8_t c=s[i];if(isalnum(c)||c=='-'||c=='_')r+=(char)c;else{r+='%';r+=hex[c>>4];r+=hex[c&15];}}return r; }
void savePet(){prefs.putInt("food",food);prefs.putInt("joy",joy);prefs.putInt("energy",energy);prefs.putBool("sleep",sleeping);
 if(sdOK){File f=SD.open("/mochi.tmp",FILE_WRITE);if(f){f.printf("{\"food\":%d,\"joy\":%d,\"energy\":%d,\"sleep\":%s}",food,joy,energy,sleeping?"true":"false");f.close();SD.remove("/mochi.json");SD.rename("/mochi.tmp","/mochi.json");}}
}
bool getJson(String url, JsonDocument &doc){
 // Public weather data only. No Wi-Fi credentials are transmitted to the weather service.
 WiFiClientSecure client; client.setInsecure();
 HTTPClient http; http.setConnectTimeout(3500);http.setTimeout(4000);
 if(!http.begin(client,url))return false;
 http.setFollowRedirects(HTTPC_STRICT_FOLLOW_REDIRECTS);http.setUserAgent("Mochi/1.1");
 int status=http.GET();bool ok=false;
 if(status==200){String body=http.getString();ok=!deserializeJson(doc,body);}
 if(!ok)Serial.printf("Servicio HTTP: %d, JSON valido: %d\n",status,ok);
 http.end();return ok;
}
void updateLocation(){
 lastLocation=millis();JsonDocument d;
 bool primary=getJson("https://ipwho.is/",d)&&d["success"].as<bool>()&&!d["latitude"].isNull()&&!d["longitude"].isNull();
 if(primary){
 latitude=d["latitude"].as<float>();longitude=d["longitude"].as<float>();
 countryCode=d["country_code"].as<String>();
 countryCode=d["country_code"].as<String>();
 autoCity=d["city"].as<String>();zone=d["timezone"]["id"].as<String>();
 utcOffset=d["timezone"]["offset"] | 0;
 dstKnown=!d["timezone"]["is_dst"].isNull();summer=d["timezone"]["is_dst"].as<bool>();
 String stamp=d["timezone"]["current_time"].as<String>();
 int h,m,sec;if(stamp.length()>=19&&sscanf(stamp.c_str()+11,"%d:%d:%d",&h,&m,&sec)==3){localSeconds=h*3600+m*60+sec;clockTick=millis();clockValid=true;}
 }else{
 d.clear();
 if(!getJson("https://ipapi.co/json/",d)||d["latitude"].isNull()||d["longitude"].isNull()){
 Serial.println("Ubicacion: ambos servicios no disponibles; reintento en 60 s");
 message=located?"Usando ultima ubicacion":"Buscando ciudad; reintentare";dirty=true;return;
 }
 latitude=d["latitude"].as<float>();longitude=d["longitude"].as<float>();
 countryCode=d["country_code"].as<String>();
 countryCode=d["country_code"].as<String>();
 autoCity=d["city"].as<String>();zone=d["timezone"].as<String>();
 String offset=d["utc_offset"].as<String>();
 if(offset.length()==5)utcOffset=(offset.substring(1,3).toInt()*3600+offset.substring(3,5).toInt()*60)*(offset[0]=='-'?-1:1);
 dstKnown=false; // El respaldo incluye el ajuste de verano, pero no informa su estado.
 }
 located=true;lastWeather=0;
 prefs.putFloat("lat",latitude);prefs.putFloat("lon",longitude);prefs.putString("autoCity",autoCity);prefs.putString("zone",zone);prefs.putLong("offset",utcOffset);
 message="Ciudad aproximada: "+autoCity.substring(0,26);dirty=true;
 Serial.printf("Ubicacion lista; UTC offset %ld; fuente %s\n",utcOffset,primary?"ipwho.is":"ipapi.co");
}
void updateWeather(){
 lastWeather=millis();if(WiFi.status()!=WL_CONNECTED)return;
 if(!located){weather="Esperando ubicacion automatica";dirty=true;return;}
 float lat=latitude,lon=longitude;
 JsonDocument doc;
 String url="https://api.open-meteo.com/v1/forecast?latitude="+String(lat,5)+"&longitude="+String(lon,5)+"&current=temperature_2m,apparent_temperature,wind_speed_10m,weather_code,is_day&daily=sunrise,sunset&forecast_days=3&timeformat=unixtime&timezone=auto";
 if(getJson(url,doc)&&!doc["current"]["temperature_2m"].isNull()&&!doc["current"]["weather_code"].isNull()){
 temperature=doc["current"]["temperature_2m"];code=doc["current"]["weather_code"];
 if(!doc["utc_offset_seconds"].isNull())utcOffset=doc["utc_offset_seconds"].as<long>();
 if(!doc["timezone"].isNull())zone=doc["timezone"].as<String>();
 weatherDay=doc["current"]["is_day"] | 1;
 for(int i=0;i<3;i++){
 solarRise[i]=doc["daily"]["sunrise"][i] | 0L;
 solarSet[i]=doc["daily"]["sunset"][i] | 0L;
 }
 weatherEpoch=doc["current"]["time"].as<long>();weatherEpochTick=millis();
 if(weatherEpoch>1700000000){localSeconds=(weatherEpoch+utcOffset)%86400;clockTick=millis();clockValid=true;}
 weather=code==0?"Soleado":code<=3?"Nubes":code<=48?"Niebla":(code>=71&&code<=77)||(code>=85&&code<=86)?"Nieve":code>=95?"Tormenta":"Lluvia";
 feelsLike=doc["current"]["apparent_temperature"] | temperature;
 windSpeed=doc["current"]["wind_speed_10m"] | 0.0f;
 validWeather=true;weatherGoodTick=millis();
 }else weather=validWeather?"Clima anterior (sin actualizar)":"Clima no disponible";
 dirty=true;
}
void text(String s,int x,int y,int size=1){frame.setTextWrap(false);frame.setTextColor(ink);frame.setTextSize(size);frame.setCursor(x,y);frame.print(s);}
void bar(const char* name,int value,int y,uint16_t color){text(name,12,y);frame.fillRoundRect(76,y,92,8,4,0xFFFF);frame.fillRoundRect(76,y,max(4,value*92/100),8,4,color);text(String(value),177,y);}
void drawScene(){
 bool day=(clockValid||validWeather)?localDaylight():true;
 bool snow=(code>=71&&code<=77)||(code>=85&&code<=86);
 bool rain=(code>=51&&code<=67)||(code>=80&&code<=82)||code>=95;
 bool fog=code==45||code==48;
 bool clouds=validWeather&&(code>0);
 uint16_t sky=day?(rain?0x326C:fog?0x6471:0x2394):0x0845;
 frame.fillRect(5,35,W()-10,115,sky);
 if(!day){for(int i=0;i<22;i++){int x=12+(i*47)%(W()-28),y=58+(i*19)%61;
 uint16_t c=(phase/3+i)%5==0?0x6B91:0xCEFF;frame.drawPixel(x,y,c);if((i+phase/4)%7==0)frame.drawFastHLine(x-1,y,3,c);}}
 if(day){
 frame.fillCircle((W()-45),76,13,0xFFE9);
 for(int i=0;i<10;i++){float a=i*PI/5+phase*0.035f;frame.drawLine((W()-45)+cos(a)*17,76+sin(a)*17,(W()-45)+cos(a)*22,76+sin(a)*22,0xFE60);}
 }else{
 float p=moonPhase();int cx=(W()-44),cy=77,r=17;
 frame.fillCircle(cx,cy,r,0x39AC);
 if(p>=0){float k=cos(2*PI*p);for(int yy=-r;yy<=r;yy++){
 int edge=(int)sqrtf(r*r-yy*yy);int terminator=(int)(edge*k);
 if(p<0.5f)frame.drawFastHLine(cx+terminator,cy+yy,edge-terminator+1,0xEF7B);
 else frame.drawFastHLine(cx-edge,cy+yy,edge-terminator+1,0xEF7B);
 }}
 text(moonName(p),W()-105,100);
 }
 if(clouds){int count=code==1?2:4;for(int i=0;i<count;i++){
 int x=18+(i*89+phase*(i%2+1))%(W()-26),y=67+(i%2)*16;
 uint16_t c=rain?0x7C32:day?0xDF3C:0x738F;
 frame.fillCircle(x,y,9,c);frame.fillCircle(x+12,y-5,12,c);frame.fillRoundRect(x-10,y,43,11,5,c);
 }}
 if(rain||snow){for(int i=0;i<24;i++){
 int x=12+(i*43+phase*(snow?1:2))%(W()-25),y=82+(i*17+phase*(snow?2:7))%65;
 if(snow){frame.drawFastHLine(x-2,y,5,0xFFFF);frame.drawFastVLine(x,y-2,5,0xFFFF);}
 else frame.drawLine(x,y,x-3,y+7,0x7E9F);
 }if(rain){for(int i=0;i<4;i++)frame.drawEllipse(30+i*81,145,(phase+i*3)%10+2,2,0x7E9F);}}
 if(fog){for(int i=0;i<5;i++){int x=8+(phase*2+i*53)%200;frame.drawFastHLine(x,83+i*12,100,0xADB5);}}
 if(validWeather&&code>=95&&phase%24<2){frame.fillTriangle((W()-43),86,(W()-56),108,(W()-42),104,0xFFE0);frame.fillTriangle((W()-42),101,(W()-52),125,(W()-32),99,0xFFE0);}
 frame.fillRect(5,147,W()-10,3,day?0x3D14:0x21CB);
 // Opaque face, dark eye outline and large white highlights remain legible in RGB8.
 int cm=climateMood();
 int x=W()/2+petX,y=117+petY;
 if(!sleeping&&cm==2)x+=(phase%4<2?-1:1);
 if(!sleeping&&cm==4)y+=3;
 bool reacting=millis()<reactionUntil;
 if(reacting && reaction==2)y-=abs(sin(phase*0.8f))*7;
 frame.fillEllipse(x,145,33,3,0x18C5);
 frame.fillEllipse(x-18,y-32,10,23,0x6E5B);frame.fillEllipse(x+18,y-32,10,23,0x6E5B);
 frame.fillEllipse(x-18,y-34,4,14,0x2394);frame.fillEllipse(x+18,y-34,4,14,0x2394);
 frame.fillEllipse(x,y,36,27,0x6E5B);
 frame.fillEllipse(x-23,y+23,12,5,0x6E5B);frame.fillEllipse(x+23,y+23,12,5,0x6E5B);
 frame.fillEllipse(x,y+13,19,10,0xCF7C);
 if(sleeping||(blink && !(reacting))){
 frame.drawLine(x-20,y-3,x-8,y-1,0x0001);frame.drawLine(x+8,y-1,x+20,y-3,0x0001);
 frame.drawLine(x-20,y-2,x-8,y,0x0001);frame.drawLine(x+8,y,x+20,y-2,0x0001);
 }else{
 for(int side=-1;side<=1;side+=2){int ex=x+side*14;
 frame.fillEllipse(ex,y-3,7,9,0x0001);frame.fillEllipse(ex,y-1,4,5,0x1969);
 frame.fillCircle(ex-2,y-6,3,0xFFFF);frame.drawPixel(ex+2,y+1,0xFFFF);}
 }
 frame.fillTriangle(x-3,y+6,x+3,y+6,x,y+9,0x0001);
 frame.drawLine(x,y+9,x-4,y+12,0x0001);frame.drawLine(x,y+9,x+4,y+12,0x0001);
 if(!sleeping){
 if(cm==1){ // sunglasses and moving sweat drops
  frame.fillRoundRect(x-23,y-8,19,10,3,0x0845);frame.fillRoundRect(x+4,y-8,19,10,3,0x0845);
  frame.drawFastHLine(x-4,y-5,8,0xFFFF);
  frame.fillCircle(x+28,y-7+phase%9,3,0x6EFF);
 }else if(cm==2){
  frame.fillRoundRect(x-28,y+14,56,7,2,0xFD68);frame.fillRect(x+17,y+18,7,13,0xFD68);
 }else if(cm==3){
  frame.drawFastVLine(x+40,86,49,0xFFFF);
  frame.fillTriangle(x+12,87,x+67,87,x+40,65,0xFD68);
 }else if(cm==4){
  frame.fillEllipse(x-29,y+8,8,11,0x6E5B);frame.fillEllipse(x+29,y+8,8,11,0x6E5B);
  frame.drawLine(x-20,y-16,x-8,y-12,0x0001);frame.drawLine(x+8,y-12,x+20,y-16,0x0001);
 }else if(cm==5){for(int i=0;i<3;i++)frame.drawFastHLine(x-65+(phase*3)%15,y-16+i*13,20,0xCEFF);}
 }
 if(sleeping)text("z Z",min(W()-30,x+43),116);
 if(reacting){
  if(reaction==1){ // floating hearts after a caress
   for(int i=0;i<3;i++){int hx=x-45+i*43,hy=100-(phase*3+i*11)%35;
    frame.fillCircle(hx-3,hy,4,0x4DDF);frame.fillCircle(hx+3,hy,4,0x4DDF);frame.fillTriangle(hx-7,hy,hx+7,hy,hx,hy+9,0x4DDF);}
  }else if(reaction==2){int bx=W()/2+61+sin(phase*0.5f)*25,by=128-abs(sin(phase*0.7f))*25;frame.fillCircle(bx,by,8,0xFD68);frame.drawCircle(bx,by,8,0xFFFF);}
  else if(reaction==3){frame.fillTriangle(x+30,y+4,x+52,y+4,x+40,y+17,0xFD68);frame.drawFastVLine(x+41,y,5,0x6E6B);}
  text(message.substring(0,(W()-24)/6),12,138);
 }else if(!sleeping && mood==3){ // waving paw
  frame.fillEllipse(x+37,y-5+(phase%4)*2,7,10,0x6E5B);
 }
 // A clear condition heading; the large temperature lives below the scene.
 // Small weather label leaves the sky unobstructed.
 frame.fillRoundRect(8,37,W()-16,23,5,panel);
 String caption=validWeather?(code==0?String(day?"Despejado / dia":"Despejado / noche"):weather):"Clima pendiente";
 if(!alertEvent.isEmpty() && phase%40<25)caption="AVISO: "+alertEvent;
 else if(validWeather && !freshWeather())caption="Clima sin actualizar";
 int captionSize=caption.length()*12<=W()-24?2:1;
 text(caption.substring(0,(W()-24)/(6*captionSize)),12,captionSize==2?41:45,captionSize);
}

// Shared visual language for navigation, keyboard and settings.
void button(const String &label,int x,int y,int w,int h){
 frame.fillRoundRect(x,y,w,h,6,panel);
 frame.drawRoundRect(x,y,w,h,6,edge);
 int n=max(1,(w-12)/6);String t=label;
 if((int)t.length()>n)t=t.substring(0,n-1)+"~";
 text(t,x+(w-t.length()*6)/2,y+(h-8)/2);
}
void mutedText(String s,int x,int y){
 frame.setTextWrap(false);frame.setTextSize(1);frame.setTextColor(muted);
 frame.setCursor(x,y);frame.print(s);
}
void heading(String title,String subtitle){
 text(title,10,9,2);
 frame.drawFastHLine(10,29,W()-20,edge);
 mutedText(subtitle.substring(0,(W()-20)/6),10,35);
}
void draw(){
 if(!frameOK)return;
 if(screen!=0){drawSettings();present();dirty=false;return;}
 if(sceneOnly){drawScene();present();return;}
 int w=W(),h=H();bool portrait=w<h;
 frame.fillScreen(cream);
 frame.fillCircle(11,17,3,accent);text("MOCHI",21,10,2);button("AJUSTES",w-78,4,72,26);
 drawScene();
 // Two equal columns keep the main readings large in all four rotations.
 int half=w/2;
 frame.fillRoundRect(5,153,w-10,35,6,panel);
 frame.drawFastVLine(half,159,23,edge);
 String timeLabel="--:--";
 String period="";
 if(clockValid){
  int hours=localSeconds/3600, minutes=(localSeconds/60)%60;
  char digits[8];snprintf(digits,sizeof(digits),"%02d:%02d",hour12?(hours%12?hours%12:12):hours,minutes);
  timeLabel=digits;if(hour12)period=hours<12?"AM":"PM";
 }
 text(timeLabel,8,155,3);
 if(!period.isEmpty())text(period,8+90,173);
 String degrees=validWeather?String((int)roundf(fahrenheit?temperature*1.8f+32:temperature)):"--";
 int tempSize=(degrees.length()+1)*18<=half-12?3:2;
 text(degrees,half+8,155,tempSize);
 int unitX=half+8+degrees.length()*6*tempSize;
 frame.drawCircle(unitX+3,158,2,ink);
 text(fahrenheit?"F":"C",unitX+9,155,tempSize);
 String place=located?autoCity:"Ubicando...";
 mutedText(place.substring(0,(w-16)/6),8,181);
 // Compact signal-style needs: five ascending segments per indicator.
 int sy=portrait?211:191, cw=(w-16)/3;
 const char* labels[]={"COMIDA","ANIMO","ENERGIA"};
 int values[]={food,joy,energy};uint16_t colors[]={0xFD68,0x4DDF,0x6E6B};
 for(int i=0;i<3;i++){
  int x=8+i*cw;
  mutedText(labels[i],x,sy);
  int active=(constrain(values[i],0,100)*5+99)/100;
  for(int segment=0;segment<5;segment++){
   int height=3+segment*2;
   frame.fillRect(x+segment*5,sy+22-height,3,height,
                  segment<active?colors[i]:edge);
  }
  text(String(values[i])+"%",x+29,sy+13);
 }
 if(portrait){
  frame.fillRoundRect(5,239,w-10,38,6,panel);
  text(message.substring(0,(w-20)/6),10,245);
  mutedText(String(fahrenheit?"Fahrenheit":"Celsius")+" / "+(hour12?"12 horas":"24 horas"),10,263);
 }
 int status=h-37;
 mutedText(batteryPercent<0?"BAT --":"BAT "+String(batteryPercent)+"%",8,status);
 mutedText(sdOK?"SD OK":"SIN SD",w/2-20,status);
 mutedText(WiFi.status()==WL_CONNECTED?"ONLINE":"SIN RED",w-52,status);
 const char* actions[]={"COMER","JUGAR",sleeping?"ACTIVAR":"DORMIR","WiFi"};
 for(int i=0;i<4;i++)button(actions[i],i*w/4+3,h-24,w/4-6,22);
 present();dirty=false;
}
void drawSettings(){
 int w=W(),h=H();frame.fillScreen(cream);
 if(screen==5){
 text("PREFERENCIAS",10,10,2);
 frame.drawFastHLine(10,31,w-20,edge);
 button(fahrenheit?"Temperatura: F":"Temperatura: C",8,40,w-16,28);
 button(hour12?"Reloj: 12 horas":"Reloj: 24 horas",8,75,w-16,28);
 button(String("Girar: ")+String(orientation*90)+" grados",8,110,w-16,28);
 frame.fillRoundRect(8,143,w-16,h-183,6,panel);
 text(autoCity.substring(0,(w-24)/6),12,148);
 mutedText(zone.substring(0,(w-24)/6),12,162);
 mutedText(dstKnown?(summer?"Verano: activo":"Verano: inactivo"):"Verano: pendiente",12,177);
 mutedText(alertState.substring(0,(w-24)/6),12,190);
 button("Volver",5,h-34,w/3-8,29);button("Detectar de nuevo",w/3,h-34,w*2/3-5,29);return;
 }
 if(screen==1){
 heading("CONEXION WiFi",scanning?"Buscando redes...":"Selecciona una red de 2.4 GHz");
 int rh=(h-94)/5;
 for(int row=0;row<5;row++){int i=networkPage*5+row;if(i>=networkCount)break;
 int ry=50+row*rh;
 frame.fillRoundRect(6,ry,w-12,rh-3,6,panel);
 frame.drawRoundRect(6,ry,w-12,rh-3,6,edge);
 frame.fillCircle(16,ry+(rh-3)/2,2,openNet[i]?accent:muted);
 text(networks[i].substring(0,(w-55)/6),26,ry+(rh-11)/2);
 text(">",w-20,ry+(rh-11)/2);}
 const char* names[]={"Volver","Buscar","Mas","Ajustes","Manual"};
 for(int i=0;i<5;i++)button(names[i],i*w/5+2,h-30,w/5-4,27);return;
 }
 text(screen==2?"CLAVE WiFi":screen==3?"CIUDAD":"NOMBRE RED",6,8,2);
 if(screen==2)button(reveal?"Ocultar":"Ver",w-58,3,54,25);
 frame.fillRoundRect(5,29,w-10,20,5,panel);
 frame.drawRoundRect(5,29,w-10,20,5,edge);
 String shown=input;if(screen==2&&!reveal){shown="";for(unsigned i=0;i<input.length();i++)shown+='*';}
 int n=(w-12)/6;text(shown.substring(shown.length()>n?shown.length()-n:0),6,34);
 String k=keys[keyboardPage];if(caps)k.toUpperCase();int kh=(h-126)/4;
 for(int i=0;i<(int)k.length();i++)button(String(k[i]),(i%10)*w/10+1,54+(i/10)*kh,w/10-2,kh-3);
 const char* ctl[]={caps?"abc":"ABC","!/#","Espacio","Borrar"};
 for(int i=0;i<4;i++)button(ctl[i],i*w/4+2,h-68,w/4-4,28);
 button("Cancelar",3,h-33,w/3-5,30);button("Guardar",w/3,h-33,w*2/3-3,30);
}
void connectSelected(){
 ssid=selectedSSID;pass=input;
 prefs.putString("ssid",ssid);prefs.putString("pass",pass);
 WiFi.disconnect();WiFi.begin(ssid.c_str(),pass.c_str());
 lastRetry=millis();lastWeather=0;message="Conectando a "+ssid.substring(0,20);
 screen=0;lastLocation=0;located=false;
 dirty=true;
}
void handleSettings(uint16_t x,uint16_t y){
 dirty=true;int w=W(),h=H();
 if(screen==5){
 if(y>=40&&y<68){fahrenheit=!fahrenheit;prefs.putBool("fahr",fahrenheit);}
 else if(y>=75&&y<103){hour12=!hour12;prefs.putBool("h12",hour12);}
 else if(y>=110&&y<138){orientation=(orientation+1)%4;prefs.putUChar("orient",orientation);resizeCanvas();}
 else if(y>=h-34){if(x>=w/3){lastLocation=0;lastWeather=0;}screen=0;}return;
 }
 if(screen==1){
 if(y>=h-30){switch(min(4,(int)x*5/w)){case 0:screen=0;break;case 1:if(!scanning)startScan();break;case 2:networkPage=(networkPage+1)%max(1,(networkCount+4)/5);break;case 3:screen=5;break;case 4:screen=4;input="";break;}return;}
 if(y>=50&&y<h-44&&!scanning){int i=networkPage*5+(y-50)/((h-94)/5);if(i<networkCount){selectedSSID=networks[i];selectedOpen=openNet[i];input="";caps=false;keyboardPage=0;reveal=false;if(selectedOpen)connectSelected();else screen=2;}}return;
 }
 if(screen==2&&y<28&&x>=w-58){reveal=!reveal;return;}
 if(y>=h-33){if(x<w/3){screen=1;return;}
 if(screen==3){if(input.isEmpty())return;city=input;prefs.putString("city",city);lastWeather=0;screen=0;}
 else if(screen==4){if(input.isEmpty())return;selectedSSID=input;screen=2;input="";}
 else {if(!input.isEmpty()&&(input.length()<8||input.length()>63))return;connectSelected();}return;}
 if(y>=h-68&&y<h-40){switch(min(3,(int)x*4/w)){case 0:caps=!caps;break;case 1:keyboardPage=1-keyboardPage;break;case 2:if(input.length()<(screen==2?63:32))input+=' ';break;case 3:if(input.length())input.remove(input.length()-1);break;}return;}
 if(y>=54&&y<h-72){int index=((y-54)/((h-126)/4))*10+x*10/w;String k=keys[keyboardPage];if(caps)k.toUpperCase();if(index<(int)k.length()&&input.length()<(screen==2?63:32))input+=k[index];}
}
void doCalibration(){tft.fillScreen(cream);tft.setCursor(3,110);tft.print("Toca las esquinas indicadas");tft.calibrateTouch(cal,ink,cream,15);prefs.putBytes("cal",cal,sizeof(cal));tft.setTouch(cal);dirty=true;calibrate=false;}
void setup(){
 Serial.begin(115200);prefs.begin("mochi",false);
 ssid=prefs.getString("ssid","");pass=prefs.getString("pass","");city=prefs.getString("city","");
 food=constrain(prefs.getInt("food",80),0,100);joy=constrain(prefs.getInt("joy",80),0,100);energy=constrain(prefs.getInt("energy",80),0,100);sleeping=prefs.getBool("sleep",false);
 fahrenheit=prefs.getBool("fahr",false);hour12=prefs.getBool("h12",false);
 orientation=prefs.getUChar("orient",0)%4;
 pinMode(14,OUTPUT);digitalWrite(14,HIGH);
 pinMode(17,OUTPUT);digitalWrite(17,HIGH);pinMode(21,OUTPUT);digitalWrite(21,HIGH);
 pixel.begin();pixel.setBrightness(18);pixel.clear();pixel.show();
 Wire.begin(33,22);Wire.setTimeOut(50);readBattery();
 tft.init();tft.setRotation(1);
 resizeCanvas();
 sdOK=SD.begin(14,SPI,4000000);
 Serial.printf("Pantalla RGB%d; SD %s; bateria %d\n",frame.getColorDepth(),sdOK?"OK":"no disponible",batteryPercent);
 if(sdOK&&!prefs.isKey("food")){File f=SD.open("/mochi.json");if(f){JsonDocument d;if(!deserializeJson(d,f)){food=constrain(d["food"]|80,0,100);joy=constrain(d["joy"]|80,0,100);energy=constrain(d["energy"]|80,0,100);sleeping=d["sleep"]|false;}f.close();}}
 if(prefs.getBytesLength("cal")==sizeof(cal)){prefs.getBytes("cal",cal,sizeof(cal));tft.setTouch(cal);}else doCalibration();
 located=prefs.isKey("lat")&&prefs.isKey("lon");
 if(located){latitude=prefs.getFloat("lat");longitude=prefs.getFloat("lon");autoCity=prefs.getString("autoCity","");zone=prefs.getString("zone","");utcOffset=prefs.getLong("offset",0);}
 WiFi.mode(WIFI_STA);WiFi.setAutoReconnect(true);
 if(!ssid.isEmpty()){WiFi.begin(ssid.c_str(),pass.c_str());message="Conectando a red guardada";}else{screen=1;startScan();}
 draw();

}
void loop(){
 uint32_t now=millis();
 if(now-hardwareTick>=5000){hardwareTick=now;int previous=batteryPercent;readBattery();if(previous!=batteryPercent)dirty=true;}
 static uint32_t ledTick=0;
 if(now-ledTick>=100){ledTick=now;uint8_t breath=8+(sin(now/1000.0f)+1)*12;
 uint32_t c=sleeping?pixel.Color(0,0,breath/3):food<25||energy<18?pixel.Color(breath,breath/3,0):pixel.Color(0,breath/2,breath);
 pixel.setPixelColor(0,c);pixel.show();}
 if(screen==1&&scanning){int n=WiFi.scanComplete();if(n>=0){networkCount=min(n,20);for(int i=0;i<networkCount;i++){networks[i]=WiFi.SSID(i);openNet[i]=WiFi.encryptionType(i)==WIFI_AUTH_OPEN;}WiFi.scanDelete();scanning=false;dirty=true;}else if(n==WIFI_SCAN_FAILED){scanning=false;networkCount=0;dirty=true;}}
 bool connected=WiFi.status()==WL_CONNECTED;
 if(connected!=wasConnected){wasConnected=connected;dirty=true;if(connected){
 // configTime manages the TCP/IP lock internally. An outer lock can
 // corrupt lwIP mutex ownership when the SNTP adapter releases its lock.
 configTime(0,0,"pool.ntp.org","time.nist.gov");
 message="Mi WiFi: "+WiFi.localIP().toString();lastWeather=0;
 }else message="Sin red: Mochi sigue contigo";}
 if(!connected&&!ssid.isEmpty()&&now-lastRetry>=60000){lastRetry=now;WiFi.reconnect();}
 if(screen==0&&connected&&(lastLocation==0||now-lastLocation>=(located?900000u:60000u)))updateLocation();
 if(screen==0&&connected&&(lastWeather==0||now-lastWeather>=(validWeather?900000u:60000u)))updateWeather();
 if(screen==0&&connected&&located&&(lastAlerts==0||now-lastAlerts>=300000u))updateAlerts();
 time_t utc=time(nullptr);
 if(utc>1700000000&&located){int synced=(int)(((int64_t)utc+utcOffset)%86400);if(synced<0)synced+=86400;localSeconds=synced;clockTick=millis();clockValid=true;}
 if(clockValid){uint32_t elapsed=(millis()-clockTick)/1000;clockTick+=elapsed*1000;localSeconds=(localSeconds+elapsed)%86400;
 if(localSeconds/60!=shownMinute){shownMinute=localSeconds/60;if(screen==0)dirty=true;}}
 if(clockValid||validWeather){
 bool nextNight=!localDaylight();
 if(!solarCycleKnown||nextNight!=nightSleep){
 bool wasNight=nightSleep;nightSleep=nextNight;solarCycleKnown=true;
 if(nightSleep){sleeping=true;blink=false;reactionUntil=0;message="Anochecio... hasta el amanecer!";dirty=true;savePet();}
 else if(wasNight){sleeping=false;blink=false;message="Ya amanecio! Buenos dias!";dirty=true;savePet();}
 }
 }
 if(now-lastNeeds>=60000){lastNeeds=now;food=max(0,food-1);joy=max(0,joy-1);energy=constrain(energy+(sleeping?4:-1),0,100);dirty=true;}
 if(now-lastSave>=300000){lastSave=now;savePet();}
 uint16_t x,y;
 if(now-lastTap>250&&tft.getTouch(&x,&y)){lastTap=now;mapTouch(x,y);
 if(screen!=0){handleSettings(x,y);if(dirty)draw();delay(10);return;}
 if(y<32){
 if(x>=W()-80){screen=5;dirty=true;}
 }else if(y>=60&&y<=150){
 if(sleeping){if(nightSleep)message="Es de noche... zZ";else {sleeping=false;message="Ya desperte!";}}
 else {joy=min(100,joy+3);message="Gracias por las caricias!";}
 reaction=1;reactionUntil=now+4000;dirty=true;
 }else if(y>=H()-24){int action=min(3,(int)x*4/W());
 if(action==3){screen=1;startScan();}
 else if(action==2){sleeping=nightSleep?true:!sleeping;message=sleeping?"Dulces suenos, Mochi":"Buenos dias!";savePet();}
 else if(sleeping)message="Shhh... estoy durmiendo";
 else if(action==0){reaction=3;reactionUntil=now+5000;food=min(100,food+15);message="Buen provecho!";savePet();}
 else if(action==1){reaction=2;reactionUntil=now+6500;joy=min(100,joy+15);energy=max(0,energy-3);message="Buen juego, companero!";savePet();}
 dirty=true;
 }
 }
 if(!sleeping&&now-lastBlink>(blink?160u:4200u)){lastBlink=now;blink=!blink;animationTick=0;}
 if(now-behaviorTick>12000){behaviorTick=now;
 if(energy<18&&!sleeping){sleeping=true;message="Me dio sueno... zZ";dirty=true;}
 else if(sleeping&&energy>=95&&!nightSleep){sleeping=false;message="Ya descanse! Vamos a jugar";dirty=true;}
 else if(!sleeping){mood=random(0,6);message=food<25?"Tengo hambre...":joy<25?"Jugamos un ratito?":mood==0?"Estoy explorando!":mood==1?"Mira como salto!":mood==2?"Que paz... respiro hondo":mood==3?"Hola! Te saludo":mood==4?"Estoy bailando!":"Me encanta estar contigo";if(climateMood()||!alertEvent.isEmpty())message=climateMessage();dirty=true;}
 }
 if(screen==0&&now-animationTick>=200){animationTick=now;phase++;
 petX=sleeping?0:(mood==0?(int)(sin(phase*0.12f)*22):mood==4?(int)(sin(phase*0.6f)*9):0);
 petY=sleeping?(phase%12<6?0:-1):mood==1?-(int)(abs(sin(phase*0.55f))*9):(phase%10<5?0:-2);
 if(!dirty){sceneOnly=true;draw();sceneOnly=false;}
 }
 if(dirty)draw();delay(10);
}