// ************************************************************************************************
//
// Documentation for this, and the rest of the LC libraies that make this up.
// Here's the book : https://github.com/leftCoast/LC_libraryDocs/blob/main/LC_libraries.pdf
// Search for : label, liveText, serialStr
//
// ************************************************************************************************

#include <adafruit_1947.h>
#include <liveText.h>
#include <serialStr.h>

#define DSP_CS      10                      // Display chip select 

liveText*   HelloText;                      // Pointer to a label object for the screen.
serialStr   serialMgr;                      // A manaer for the serial port. Brings in complete messages.
colorObj    backColor;                      // We setup a colorObj for the background color of the display.


// The way setup() works here is mostly for hardware setup. If that all works
// then we go on to setup the srceen object and controls.
void setup() {
  
  Serial.begin(57600);                                  //  Fire up serial for debugging.
  screen = (displayObj*) new adafruit_1947(DSP_CS,-1);  // Create our screen object.
  if (screen) {                                         // We got one? Cool!
    if (screen->begin()) {                              // Can we successfully call begin on the screen?
      screen->setRotation(PORTRAIT);                    // Ok, set portrait. Good for handhelds.
      setupScreen();                                    // Populate the screen.
      return;                                           // Everything fired up successfuly. Lets go!
    }                                                   //
  }                                                     //
  Serial.println("NO SCREEN!");                         // Send an error out the serial port.
  while(true)delay(10);                                 // Lock processor here forever.
}


// When the Serial port sees a message come in. It arrives here.
void newMsg(char* inStr) { HelloText->setValue(inStr); }


// Extension to setup() that puts all the scren bits and things together.
void setupScreen(void) {

  int height;
  
  // Setup background display color.
  backColor.setColor(&blue);                        // Set this color object to blue.
  backColor.blend(&black,70);                       // Lets darken it, mixin some black.
  screen->fillScreen(&backColor);                   // A command to "screen" happens (NOW). Objects update later.
  
  // Setup a label we can interact with.
  HelloText = new liveText(10,10,300,16,100,true);  // location, size,frame rate,loop Y/N
  if (HelloText) {                                  // If we got one..
    HelloText->setValue("Hello world!");            // Set our message.
    HelloText->setTextSize(2);                      // Make it bigger so we can read it.
    HelloText->setColors(&backColor,&backColor);    // Initial setting. Also sets background color.
    HelloText->addAColor(0,&backColor);             // Start at background color.
    HelloText->addAColor(250,&yellow);              // Fade to yellow.
    HelloText->addAColor(2000,&yellow);             // Yellow for a sec.
    HelloText->addAColor(3000,&red);                // Fade to red for a sec.
    HelloText->addAColor(3500,&red);                // Hold to red for a bit.
    HelloText->addAColor(4500,&green);              // Fade to green for a sec.
    HelloText->addAColor(5500,&green);              // Hold green for a sec.
    HelloText->addAColor(6000,&backColor);          // Fade to back color for a bit.
    HelloText->addAColor(7000,&backColor);          // Hold back color for a sec.
    viewList.addObj(HelloText);                     // Add the object (It's a pointer) to view list to be managed.
  } else {                                          // Didn't get a label?
    Serial.println("No label!");                    // Tell Miss user.
    while(true)delay(10);                           // Lock processor here forever.
  }                                                 //
  serialMgr.setCallback(newMsg);                    // Set the callback for when a message comes in from serial.
  Serial.println("Type a message for the label");   // Give Miss user a hint.
}


// In loop, to run all of this, all you need is a call to idle.
void loop() { idle(); }