use crsn::asm::error::CrsnError;
use crsn::asm::instr::Op;
use crsn::asm::parse::arg_parser::ArgParser;
use crsn::module::{ParseOpRes};

use crate::defs::ScreenOp;

pub(crate) fn parse(keyword: &str, mut args: ArgParser) -> Result<ParseOpRes<Op>, CrsnError> {
    Ok(ParseOpRes::ext(match keyword {
        "sc-init" => {
            ScreenOp::ScreenInit {
                width: args.next_rd()?,
                height: args.next_rd()?,
            }
        }

        "sc-px" => {
            ScreenOp::SetPixel {
                x: args.next_rd()?,
                y: args.next_rd()?,
                color: args.next_rd()?,
            }
        }

        _other => {
            return Ok(ParseOpRes::Unknown(args));
        }
    }))
}