use crate::*;


pub fn format_inhx(words: &[Word]) -> String {
    let mut records = Vec::new();
    for (i, chunk) in words.chunks(16).enumerate() {
        records.push(data_record(chunk, (i * 16) as u16));
    }
    records.push(terminating_record());

    let mut output = String::new();
    for record in records {
        output.push_str(&record.to_string());
    }
    return output;
}

fn data_record(words: &[Word], address: u16) -> InhxRecord {
    let mut record = InhxRecord::new();
    record.byte((words.len()) as u8);
    record.be_double(address);
    record.byte(0x00);
    for word in words {
        match word.bits <= 8 {
            true => record.byte(word.value as u8),
            false => panic!("Word '{word}' has more than 8 bits."),
        };
    }
    return record;
}

fn terminating_record() -> InhxRecord {
    let mut record = InhxRecord::new();
    record.byte(0x00);
    record.be_double(0x0000);
    record.byte(0x01);
    return record;
}