qrism 0.1.0

use std::error::Error;
use std::path::Path;

use qrism::{detect_hc_qr, detect_qr, ECLevel, Version};
use qrism::{MaskPattern, QRBuilder};

fn main() -> Result<(), Box<dyn Error>> {
    // Create a QR code
    let data = "Hello, world! This is a demonstration of QR code generation and reading.";
    let qr = QRBuilder::new(data.as_bytes())
        .version(Version::Normal(5)) // If not provided, finds smallest version to fit the data
        .ec_level(ECLevel::M) // Defaults to ECLevel::M
        .high_capacity(false) // Defaults to false, use true for high capacity QR
        .mask(MaskPattern::new(1)) // If not provided, finds best mask based on penalty score
        .build()?;

    // Save QR code as image
    let img = qr.to_image(4); // scale factor for output image size
    let output_path = Path::new("./assets/qr_example.png");
    img.save(output_path)?;
    println!("QR code saved to: {}", output_path.display());

    // Read the QR code back
    let read_path = Path::new("./assets/qr_example.png");
    let img = image::open(read_path)?;
    let mut res = detect_qr(&img);

    if let Some(symbol) = res.symbols().first_mut() {
        let (metadata, decoded_message) = symbol.decode()?;
        println!("Decoded message: {}", decoded_message);
        println!("QR metadata: {:?}", metadata);
    } else {
        println!("No QR code found in the image");
    }

    // Read high capacity QR code
    let read_path = Path::new("./assets/example6.png");
    let img = image::open(read_path)?;
    let mut res = detect_hc_qr(&img);

    if let Some(symbol) = res.symbols().first_mut() {
        let (metadata, decoded_message) = symbol.decode()?;
        println!("Decoded message: {}", decoded_message);
        println!("High capacity QR metadata: {:?}", metadata);
    } else {
        println!("No high capacity QR code found in the image");
    }

    Ok(())
}