use crate::ser::{Ser, Sink, Source};

#[derive(Debug, Clone)]
pub struct Header {
    pub resolution: (usize, usize),
    pub frame_count: usize,
}

impl Ser for Header {
    fn write(&self, sink: &mut impl std::io::Write) -> std::io::Result<()> {
        sink.put([0x5eu8, 0xb1u8, 0xc3u8, 0x08u8])?;
        sink.put((self.resolution, self.frame_count))?;
        Ok(())
    }

    fn read(source: &mut impl std::io::Read) -> std::io::Result<Self> {
        source.get::<[u8; 4]>()?;
        let (resolution, frame_count) = source.get()?;
        Ok(Self {
            resolution,
            frame_count,
        })
    }
}