#include <FastLED.h>
#define UG_LED_COUNT 50
#define DATA_PIN 16

CRGB ugleds[UG_LED_COUNT];

    uint8_t ugHue = 140;
    uint8_t ugSat = 255;
    uint8_t ugVal = 100;
    uint8_t ugVal2 = 40;

    CHSV underglowColor1 = CHSV(140, 255, 100);


#define MAX_FRAMES 28
// #define MAX_FRAMES 42
int frameIndex = 0;

int nextFrameIndex() {
  if (frameIndex < MAX_FRAMES - 1) {
      return frameIndex + 1;
    } else {
      return 0;
    }
}

const uint16_t NUM_OF_UG_SIDE = 50;
const uint16_t NUM_OF_UG_PER_SIDE = 25;
const uint16_t NUM_OF_UG_FRONT = UG_LED_COUNT - ( NUM_OF_UG_SIDE );
const uint16_t UG_FX1_START_INDEX_RIGHT = (( UG_LED_COUNT - NUM_OF_UG_FRONT ) - NUM_OF_UG_PER_SIDE - 1 );
const uint16_t UG_FX1_START_INDEX_LEFT = (( UG_LED_COUNT - NUM_OF_UG_FRONT ) - NUM_OF_UG_SIDE) ; 

// CHSV ugleds[UG_LED_COUNT];


void MirrorSideStrips(uint16_t ledindex, CHSV tempcolor){

    uint16_t row1index = ledindex;
    uint16_t row2index = ledindex + NUM_OF_UG_PER_SIDE;

    // Serial.print("Mirror from: ");
    // Serial.print(row1index);
    // Serial.print(" to: ");
    // Serial.println(row2index);

    ugleds[row1index] = tempcolor;
    ugleds[row2index] = tempcolor;

}

void setUGFX1(CHSV tempColor){

    // CHSV tempColor = CHSV(0, 0, 0);

    for (uint8_t i = 0; i < NUM_OF_UG_PER_SIDE; i++) {
        MirrorSideStrips(i, tempColor);
    }

}

void underglowEffect1(uint8_t frameindex){
  
    CHSV offColor = CHSV(0, 0, 0);
    CHSV dimColor = CHSV(ugHue, ugSat, ugVal2);
    CHSV brightColor = CHSV(50, ugSat, ugVal);
    uint8_t frame1;
    uint8_t frame2;
    static bool oneout = false; 

    
      frame1 = frameindex;
      frame2 = frameindex;
    

        // int8_t index1 = frame1 - ;     //0:24
        // int8_t index2 = frame1 - 13; //-1:23
        // int8_t index3 = frame1 - 14; //-2:22
        // int8_t index4 = frame1 - 3; //-3:21
        // int8_t index5 = frame1 - ;
        // int8_t index6 = frame1 - 1;
        // int8_t index7 = frame1 - 1;
        // int8_t index8 = frame1 - 1;

        int8_t index1; 
        int8_t index2;
        int8_t index3;
        int8_t index4;  
        int8_t index5; 
        int8_t index6;
        int8_t index7;
        int8_t index8;

        // if (frameindex == MAX_FRAMES - 1){
        //   oneout = true;
        // }

        if (frameindex < 14){
          // fi 0:13
          index1 = frame1 - 0;  //0:13
          index2 = frame1 - 1;  //-1:12
          index3 = frame1 - 2;  //-2:11
          index4 = frame1 - 3;  //-3:10         
          index5 = frame2 + 11; //11-24
          index6 = frame2 + 12; //12-25
          index7 = frame2 + 13; //13-26
          index8 = frame2 + 14; //14-27
        }else{
          // fi 14:24
          index1 = frame1 - 14; //0-13
          index2 = frame1 - 15; //-1:12
          index3 = frame1 - 16; //-2:11
          index4 = frame1 - 17; //-3:10        
          index5 = frame2 - 3;  //11-24
          index6 = frame2 - 2;  //12-25
          index7 = frame2 - 1;  //13-26
          index8 = frame2 - 0;  //14-27
        }


        if ( (index4 > -1 ) && ( index4 < MAX_FRAMES - 2 )){ MirrorSideStrips(index4, offColor); }
        if ( (index3 > -1 ) && ( index3 < MAX_FRAMES - 2 )){ MirrorSideStrips(index3, dimColor); }
        if ( (index2 > -1 ) && ( index2 < MAX_FRAMES - 2 )){ MirrorSideStrips(index2, brightColor); }
        if ( (index1 > -1 ) && ( index1 < MAX_FRAMES - 2 )){ MirrorSideStrips(index1, dimColor); }

        // if ( (index8 > -1 ) && ( index8 < MAX_FRAMES - 2 )){ MirrorSideStrips(index8, offColor); }
        // if ( (index7 > -1 ) && ( index7 < MAX_FRAMES - 2 )){ MirrorSideStrips(index7, dimColor); }
        // if ( (index6 > -1 ) && ( index6 < MAX_FRAMES - 2 )){ MirrorSideStrips(index6, brightColor); }
        // if ( (index5 > -1 ) && ( index5 < MAX_FRAMES - 2 )){ MirrorSideStrips(index5, dimColor); }

        Serial.print("UGFX1 frameindex: ");
        Serial.print(frameindex);
        Serial.print("  frame1: ");
        Serial.print(frame1);
        Serial.print(" index1: ");
        Serial.print(index1);
        Serial.print(" index2: ");
        Serial.print(index2);
        Serial.print(" index3: ");
        Serial.print(index3);
        Serial.print(" index4: ");
        Serial.print(index4);
        Serial.print("  frame2: ");
        Serial.print(frame2);
        Serial.print(" index5: ");
        Serial.print(index5);
        Serial.print(" index6: ");
        Serial.print(index6);
        Serial.print(" index7: ");
        Serial.print(index7);
        Serial.print(" index8: ");
        Serial.print(index8);
        Serial.print("  oneout = ");
        Serial.println(oneout ? "true" : "false");

}




void setup() {

  Serial.begin(115200);

  FastLED.addLeds<NEOPIXEL, DATA_PIN>(ugleds, UG_LED_COUNT);

  // setUGFX1(underglowColor1);

  delay(1000);

}

void loop() {

  EVERY_N_MILLISECONDS(50) {
      frameIndex = nextFrameIndex();
      underglowEffect1(frameIndex);      
  }


  FastLED.show();
}