#line 1 "C:\\Users\\espi_\\Documents\\Arduino\\vesper\\functions.hpp"
#pragma once

extern std::vector<uint16_t> melody_steps;

void setMelodyAttributes(JsonDocument doc);
void loadMelodyInRAM(std::vector<uint16_t> &melody_steps);


void handleJSON(String * payload) {
	
	JsonDocument doc;
	DeserializationError error = deserializeJson(doc, payload);
	
	if (error) {
		Serial.print("deserializeJson() failed: ");
		Serial.println(error.c_str());
		return;
	}
	
	setMelodyAttributes(doc);
	loadMelodyInRAM(melody_steps);
	
}


void setMelodyAttributes(JsonDocument doc){
	
	
	melody.name = doc["name"].as<const char*>();      // Convert to std::string                  "name" : "eortastiko"   
	melody.id = doc["id"].as<uint16_t>();
	melody.duration = doc["duration"].as<uint32_t>();
	melody.infinite_play = doc["infinite"].as<bool>();
	melody.interval_duration = doc["inter_dur"].as<uint16_t>();
	melody.speed = doc["speed"].as<uint16_t>();
	

	
	// Print Just for Debugging Purposes
	Serial.printf("Name: %s, ID: %d, Duration: %lu, Inf: %s, Inter: %d, Speed: %d\n", 
		melody.name.c_str(), 
		melody.id, 
		melody.duration, 
		melody.infinite_play ? "true" : "false", 
		melody.interval_duration, 
		melody.speed);	
		
}


void loadMelodyInRAM(std::vector<uint16_t> &melody_steps) {

	//if (!newMelody || !playing) return;
	
	// read the file and save in RAM
	
	std::string filePath = "/" + melody.name + ".bin"; 
	Serial.println("New Melody Selected !!!");
	Serial.println("Reading data from file...");
	//Serial.println(filePath);
	File bin_file = SPIFFS.open(filePath.c_str(), "r");
	if (!bin_file) {
		Serial.println("Failed to Open File");
		return;
	}
	

	size_t fileSize = bin_file.size();
	size_t steps = fileSize / 2;
	melody_steps.resize(steps);

	Serial.print("Opened File ! Size: ");
	Serial.print(fileSize);
	Serial.print(" Steps: ");
	Serial.println(steps);
	
	for (size_t i=0; i<steps; i++){
		melody_steps[i] = bin_file.read() << 8 | bin_file.read();
	}
	
	for (size_t i=0; i<steps; i++){
		Serial.print("Current Step: ");
		Serial.printf("%03d  // ", i);
		Serial.print("  HEX Value: ");
		Serial.printf("0x%04X\n", melody_steps[i]);
	}
	Serial.println("Closing File");
	bin_file.close();
	
	// closing the file	
	
}