#include "moon.h"
#include "MoonPhase.h"
#include <WiFi.h>
#include <HTTPClient.h>
#include <ArduinoJson.h>
#include <math.h>
#include <TFT_eSPI.h>

TFT_eSPI tft = TFT_eSPI();
TFT_eSprite sprite = TFT_eSprite(&tft);
// CONFIG
const char* ssid = "Wokwi-GUEST";
const char* password = "";
#define updateHour 1
// Timezone configuration
const char* ntpServer = "pool.ntp.org";
const long gmtOffset_sec = 1 * 3600;
const int daylightOffset_sec = 3600;
// LOCATION CONFIG
#define USE_MANUAL_LOCATION true
const char* MANUAL_CITY = "Caino";
const char* MANUAL_COUNTRY = "Italy";
const char* MANUAL_TIMEZONE = "Europe/Rome";
const float MANUAL_LAT = 45.613418;
const float MANUAL_LON = 10.312439;
// Moon display parameters
const int CX = 120;
const int CY = 120;
const int CR = 120;
// MoonPhase object
MoonPhase moon;

void showmoon(float phase);

const char* getPhaseName(float phase, float fraction);

void printLocalTime() {
  struct tm timeinfo;
  if (!getLocalTime(&timeinfo)) {
    Serial.println("Failed to obtain time");
    return;
  }
  char timeString[64];
  strftime(timeString, sizeof(timeString), "%A, %B %d %Y %H:%M:%S", &timeinfo);
  Serial.printf("🕒 Current Time: %s", timeString);
}

void setup() {
  Serial.begin(115200);
  tft.begin();
  tft.setRotation(0);
  tft.fillScreen(TFT_BLACK);

  displayConnectingMessage();
  sprite.setColorDepth(16);
  sprite.createSprite(240, 240);
  delay(3000);

  Serial.println("\n🌙 ESP32 Moon Phase Tracker");
  WiFi.begin(ssid, password);
  Serial.print("Connecting to WiFi");
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("\n✅ Connected!");

  configTime(gmtOffset_sec, daylightOffset_sec, ntpServer);

  Serial.print("Waiting for time synchronization");
  struct tm timeinfo;
  int retry = 0;
  while (!getLocalTime(&timeinfo) && retry < 10) {
    delay(1000);
    Serial.print(".");
    retry++;
  }
  if (retry >= 10) {
    Serial.println("\n❌ Time synchronization failed!");
  } else {
    Serial.println("\n✅ Time synchronized!");
    printLocalTime();
  }
}

void loop() {
  if (WiFi.status() == WL_CONNECTED) {
    if (USE_MANUAL_LOCATION) {
      Serial.println("\n📍 Manual Location: Caino, Italy");
      Serial.printf("🌐 Timezone: %s\n", MANUAL_TIMEZONE);
      Serial.printf("📡 Coordinates: %.6f, %.6f\n", MANUAL_LAT, MANUAL_LON);
      processMoonPhase();
    } else {
      HTTPClient http;
      http.begin("http://ip-api.com/json/");
      int httpCode = http.GET();
      if (httpCode == 200) {
        String payload = http.getString();
        StaticJsonDocument<512> doc;
        deserializeJson(doc, payload);
        String city = doc["city"];
        String country = doc["country"];
        String timezone = doc["timezone"];
        float lat = doc["lat"];
        float lon = doc["lon"];
        Serial.printf("\n📍 Detected Location: %s, %s\n", city.c_str(), country.c_str());
        Serial.printf("🌐 Timezone: %s\n", timezone.c_str());
        Serial.printf("📡 Coordinates: %.4f, %.4f\n", lat, lon);
        processMoonPhase();
      } else {
        Serial.printf("❌ HTTP Error: %d\n", httpCode);
        Serial.println("⚠️ Fallback to manual location");
        processMoonPhase();
      }
      http.end();
    }
  } else {
    Serial.println("❌ WiFi disconnected!");
    WiFi.begin(ssid, password);
  }
  Serial.println("\n⏰ Next update in 1 hour...");
  delay(updateHour * 60 * 60 * 1000);
}

void processMoonPhase() {
  struct tm timeinfo;
  if (!getLocalTime(&timeinfo)) {
    Serial.println("❌ Failed to obtain time");
    return;
  }
  // Library calculation at current time
  time_t t = time(NULL);
  moon.calculate(t);
  // Draw (u Ciebie showmoon oczekuje phase 0..1: 0=new, 0.5=full)
  showmoon((float)moon.phase);
  // Kierunek cyklu
  bool waxing = (moon.phase < 0.5f);         // true = przybywa
  const char* arrow = waxing ? "⬆️" : "⬇️";
  const char* dir   = waxing ? "przybywa" : "ubywa";
  // RAW DATA FROM LIBRARY
  Serial.println("====== MOONPHASE (library) ======");
  Serial.printf("🗓️ Data: %04d-%02d-%02d\n", timeinfo.tm_year + 1900, timeinfo.tm_mon + 1, timeinfo.tm_mday);
  Serial.printf("🌙 Faza (0..1):                            %.6f  %s %s\n", moon.phase, arrow, dir); // 0 - 1, 0.5 = full
  Serial.printf("🌙 Nazwa fazy Księżyca:                    %s\n",     moon.phaseName);
  Serial.printf("🎂 Wiek w dniach bieżącego cyklu:          %.4f\n",   moon.age);
  Serial.printf("🌓 Ułamek oświetlonego dysku (0..1):       %.6f\n",   moon.fraction);
  Serial.printf("🌕 Oświetlenie:                            %.1f%%\n", moon.fraction * 100.0);
  Serial.printf("🔍 Odległość Księżyca w promieniach Ziemi: %.3f\n",   moon.distance); // Earth radii (as in lib)
  Serial.printf("🔍 Szerokość ekliptyczna Księżyca:         %.3f°\n",  moon.latitude);
  Serial.printf("🔍 Długość ekliptyczna Księżyca:           %.3f°\n",  moon.longitude);
  Serial.printf("♋ Nazwa konstelacji zodiaku:              %s\n",     moon.zodiacName);
}
void showmoon(float /*unused*/) {
  const float EDGE = 0.985f;
  const float TILT_DEG = 0.0f;
  const float TILT = TILT_DEG * (M_PI / 180.0f);
  const int   MIRROR = 1;
  float k = (float)moon.fraction;       // 0..1
  bool  waxing = (moon.phase < 0.5f);   // ⬆️/⬇️
  tft.setSwapBytes(true);
  tft.pushImage(0, 0, 240, 240, moonallArray[0]);
  float d  = EDGE * (2.0f * CR * k);
  float dx = d * cosf(TILT);
  float dy = d * sinf(TILT);
  int cx = (int)lroundf(CX + MIRROR * (waxing ? -dx : +dx));
  int cy = (int)lroundf(CY + MIRROR * (waxing ? +dy : -dy));
  cx = constrain(cx, -CR, 240 + CR);
  cy = constrain(cy, -CR, 240 + CR);
  const int   R_FULL = 120;
  const int   R_RING = 118;
  const float D_EPS  = 1.5f;
  int Rshadow = (d < D_EPS) ? R_FULL : R_RING;
  tft.fillCircle(cx, cy, Rshadow, TFT_BLACK);
  bool brightRight = waxing ^ (MIRROR == -1);
  Serial.printf("🌘 k=%.4f (%.1f%%) | phase=%.6f %s | d=%.1f | Shadow: X=%d Y=%d R=%d | Bright: %s\n", k, k*100.0f, moon.phase, waxing ? "⬆️" : "⬇️", d, cx, cy, Rshadow, brightRight ? "D (right)" : "C (left)");
}
/*
  void showmoon(float ) {
  const float PHASE_SCALE = 60.0f; // Amplituda ruchu cienia
  float phase = moon.phase; // 0.0 - 1.0 (0=now, 0.5=pełnia)
  float fraction = moon.fraction;
  tft.setSwapBytes(true);
  tft.pushImage(0, 0, 240, 240, moonallArray[0]);
  // Formuła: 120 + 60 * sin(2π * phase)
  float rawCX = CX + PHASE_SCALE * sinf(2 * M_PI * phase);
  // Ogranicz do ekranu (0-240)
  int cx = constrain((int)rawCX, 0, 240);
  // --- OBSŁUGA PEŁNI POPRZEZ OGRANICZENIE ---
  // Dla phase=0.5 → cx=120±60=60 lub 180 → ograniczone do 0-240
  // W przypadku pełni (phase≈0.5) cieniu będzie poza ekranem
  Serial.printf("🌘: phase=%.3f → rawCX=%.1f → ograniczono do CX=%d\n",  phase, rawCX, cx);
  Serial.printf("🌘: fraction=%.6f | status: %s\n", fraction, (fraction <= 0.01f) ? "🌑 NOW" : (fraction >= 0.99f) ? "🌕 PEŁNIA" : "🌘 FAZA");
  // --- RYSUJ CIEŃ TYLKO GDY WIDOCZNY ---
  //if (fraction > 0.01f && fraction < 0.99f) {
    tft.fillCircle(cx, CY, CR, TFT_BLACK);
  //}
  }*/

const char* getPhaseName(float phase, float fraction) {
  // This function is now redundant as MoonPhase library provides phaseName
  return moon.phaseName;
}

void displayConnectingMessage() {
  tft.setSwapBytes(false);
  tft.fillScreen(TFT_BLACK);
  tft.setTextColor(TFT_YELLOW, TFT_BLACK);
  tft.setTextDatum(MC_DATUM);
  tft.drawString("Connecting", 120, 120);
}