package main

import (
	"fmt"
	"os"
)

func loadMatrixData() (string, uint, uint) {
	// Remote server info
	API_SERVER_IP, _ := getEnvFallback("API_SERVER_IP", "localhost")
	API_SERVER_PORT, _ := getEnvFallback("API_SERVER_PORT", "8080")

	// LED panel info
	PUBLIC_LED_WIDTH, _ := convertFallback(os.Getenv("PUBLIC_LED_WIDTH"), 64)
	PUBLIC_LED_HEIGHT, _ := convertFallback(os.Getenv("PUBLIC_LED_HEIGHT"), 64)

	// Matrix arrangement info
	PUBLIC_LED_CHAIN, _ := convertFallback(os.Getenv("PUBLIC_LED_CHAIN"), 1)
	PUBLIC_LED_PARALLEL, _ := convertFallback(os.Getenv("PUBLIC_LED_PARALLEL"), 1)

	// Prepare remote server url
	url := fmt.Sprintf("http://%s:%s", API_SERVER_IP, API_SERVER_PORT)

	// Calculate combined resolution
	width := uint(PUBLIC_LED_WIDTH * PUBLIC_LED_CHAIN)
	height := uint(PUBLIC_LED_HEIGHT * PUBLIC_LED_PARALLEL)

	return url, width, height
}