extern crate ddc;
extern crate ddc_macos;

use ddc::Ddc;
use ddc_macos::Monitor;

fn main() {
    let monitors = Monitor::enumerate().expect("Could not enumerate external monitors");

    if monitors.is_empty() {
        println!("No external monitors found");
        return;
    }

    for mut monitor in monitors {
        println!("Monitor");
        println!("\tDescription: {}", monitor.description());
        if let Some(desc) = monitor.product_name() {
            println!("\tProduct Name: {}", desc);
        }
        if let Some(number) = monitor.serial_number() {
            println!("\tSerial Number: {}", number);
        }
        if let Ok(input) = monitor.get_vcp_feature(0x60) {
            println!("\tCurrent input: {:04x}", input.value());
        }
        if let Some(data) = monitor.edid() {
            let mut cursor = std::io::Cursor::new(&data);
            let mut reader = edid_rs::Reader::new(&mut cursor);
            match edid_rs::EDID::parse(&mut reader) {
                Ok(edid) => println!("\tEDID Info: {:?}", edid),
                _ => println!("\tCould not parse provided EDID information"),
            }
        }
    }
}