#include <Watchy.h> //include the Watchy library
#include "settings.h" // stupid static constants
#include "DIN_1451_Engschrift_Regular64pt7b.h"
#include "DIN_1451_Engschrift_Regular12pt7b.h"
#include "heavitas12pt7b.h"

// RTC_DATA_ATTR weatherData currentWeather;

class WatchFace : public Watchy { //inherit and extend Watchy class
  using Watchy::Watchy;
  public:
    //! Change these if you want light background, dark text
    uint16_t bg = GxEPD_BLACK;
    uint16_t fg = GxEPD_WHITE;

    void drawWatchFace() { //override this method to customize how the watch face looks
      int16_t  x1;
      int16_t  y1;
      uint16_t w;
      uint16_t h;
      String   textstring;
      int16_t  lasty;

      // Flood fill with background
      // display.fillScreen(bg);
      // display.fillRoundRect(2,2,196,196,8,bg);
      // display.fillRoundRect(6,6,188,188,5,fg);
      
      display.setFont(&DIN_1451_Engschrift_Regular64pt7b);
      display.setTextColor(fg);
      display.setTextWrap(false);

      drawTime(  183, 92 );
      drawBattery( 8,  4 );

      display.setFont(&DIN_1451_Engschrift_Regular12pt7b);
      display.setTextColor(fg);
      drawSteps( 8, 20 );
      drawDate( 8, 140 );
      display.setFont(&DIN_1451_Engschrift_Regular12pt7b);
      display.setTextColor(fg);

      display.setTextColor(fg);

      lasty = 120;
      // weather things
      weatherData currentWeather = getWeatherData(settings.cityID, settings.weatherUnit,
        settings.weatherLang, settings.weatherURL,
        settings.weatherAPIKey, settings.weatherUpdateInterval);
      textstring = "";
      textstring += currentWeather.weatherDescription;
      display.getTextBounds(textstring, 0, 0, &x1, &y1, &w, &h);
      display.setCursor(16, lasty);
      display.print(textstring);
      lasty += -20;

      // draw temperature
      textstring = currentWeather.temperature;
      if( currentWeather.isMetric ) {
          textstring += "~ C"; // ~ will be rendered as º
      } else {
          textstring += "~ F"; // ~ will be rendered as º
      }
      
      display.getTextBounds(textstring, 0, 0, &x1, &y1, &w, &h);
      display.setCursor(16, lasty);
      display.print(textstring);
    }
  private:
    // Draw step counter and footrpints icon
    // x and y are the top corner
    void drawSteps(uint8_t x, uint8_t y) {
      int16_t  x1;
      int16_t  y1;
      uint16_t w;
      uint16_t h;
      String textstring;

      //reset step counter at midnight
      if(currentTime.Hour == 00 && currentTime.Minute == 00) {
        sensor.resetStepCounter();
      }
      // Put the feet icon down
      display.drawBitmap(x, y, png_feet, 32, 32, fg);

      textstring = "000000"; // prototype 6-digit number
      display.getTextBounds(textstring, 0, 0, &x1, &y1, &w, &h);
      // Now we know how wide a 6-digit number would be. We want to right-justify
      // our number. So figure out how wide 6 digits are, and subtract how wide
      // our current number is.
      x = w; //hang on to width
      textstring = String(sensor.getCounter());
      display.getTextBounds(textstring, 0, 0, &x1, &y1, &w, &h);
      display.setCursor( x + 42 - w, y + 32 ); // add 32 because of icon, right justify
      display.print(textstring);
    }

    //! Draw the battery symbol with its x and y coordinates starting at x,y
    #define BATTWIDTH 26
    void drawBattery( uint8_t x, uint8_t y ) {
      float    batt;

      // draw battery
      display.fillRoundRect(     x,   y, 34, 12, 4, fg ); // overall frame
      display.fillRoundRect(  x+34, y+2,  4,  8, 2, fg ); // nub, to look like battery
      display.fillRoundRect(   x+2, y+2, 30,  8, 3, bg ); // area for battery charge
      // According to 7_SEG, 3.8 is the voltage floor. Below that is rendered as
      // flat battery on that watch face.
      batt = (getBatteryVoltage()-3.3)/0.9;
      if (batt > 0) {
        display.fillRoundRect( x+4, y+4, (BATTWIDTH*batt), 4, 2, fg ); // actual charge
      }

    }

    void drawTemperature() {

    }

    //! Draw time on the right side of the face.
    /**
      * Note that x is the RIGHT margin, not the left. The
      * numbers are right justified. The y is the top of the
      * numbers.
      **/

    void drawTime( uint8_t x, uint8_t y ) {
      int16_t  x1;
      int16_t  y1;
      uint16_t w;
      uint16_t h;
      String textstring;
      // draw hours with leading 0
      if( currentTime.Hour < 10 ) {
        textstring = "0";
      } else {
        textstring = "";
      }
      textstring += currentTime.Hour;
      display.getTextBounds(textstring, 0, 0, &x1, &y1, &w, &h);
      display.setCursor( x-w, y );
      display.print(textstring);
      
      y = y + h + 8;

      if( currentTime.Minute < 10 )
      {
        textstring = "0";
      } else {
        textstring = "";
      }
      textstring += currentTime.Minute;
      display.setTextColor(fg);
      display.getTextBounds(textstring, 0, 0, &x1, &y1, &w, &h);
      display.setCursor( x-w, y );
      display.print(textstring);
    }

#define BOXX (70)
#define BOXY (50)

    void drawDate( uint8_t x, uint8_t y ) {
      int16_t  x1;
      int16_t  y1;
      uint16_t w;
      uint16_t h;
      uint8_t  width;
      uint8_t  newx;
      uint8_t  newy;
      String textstring;

      // draw box
      display.fillRoundRect(  x, y, BOXX, BOXY, 2, fg ); // overall frame

      // draw short day name inverted
      display.setFont(&Heavitas12pt7b);
      display.setTextColor(bg);
      textstring = currentTime.Day;
      display.getTextBounds(textstring, 0, 0, &x1, &y1, &w, &h);
      h = h/2; // this font seems really tall.
      // center text in box
      newx = x + ((BOXX-w) / 2 );
      display.setCursor( newx, y + 20 );
      display.print(textstring);
      
      // draw day
      textstring = dayShortStr(currentTime.Wday);
      textstring.toUpperCase();
      display.setFont(&Heavitas12pt7b);
      display.setTextColor(bg);

      display.getTextBounds(textstring, 0, 0, &x1, &y1, &w, &h);
      h = h/2; // this font seems really tall.
      // Start at bottom of box, go up height, plus a small margin
      newy = y + BOXY - h; // Near bottom of box
      newx = x + ((BOXX-w) / 2 );
      display.setCursor( newx, newy );
      display.print(textstring);

    }
};

WatchFace w(settings); //instantiate your watchface

void setup() {
  // Weather settings are in settings.h now
  w.init(); //call init in setup
}

void loop() {
  // this should never run, Watchy deep sleeps after init();
}