use std::env;
use std::fs::File;
use std::io::{BufRead, BufReader, BufWriter, Write};
use std::path::Path;
fn main() {
let out_path = Path::new(&env::var("OUT_DIR").unwrap()).join("gen_tokens.rs");
let mut writer = BufWriter::new(File::create(&out_path).unwrap());
writeln!(writer, "match token {{").unwrap();
println!("cargo:rerun-if-env-changed=HOI4_IRONMAN_TOKENS");
if let Ok(v) = env::var("HOI4_IRONMAN_TOKENS") {
println!("cargo:rustc-cfg=ironman");
println!("cargo:rerun-if-changed={}", v);
let file = File::open(&v).unwrap();
let mut reader = BufReader::new(file);
let mut line = String::new();
while reader.read_line(&mut line).unwrap() != 0 {
let mut splits = line.splitn(2, ' ');
let token_val = splits.next().unwrap();
let token_s = splits.next().unwrap();
writeln!(writer, "{} => Some(\"{}\"),", token_val, token_s.trim()).unwrap();
line.clear();
}
}
writeln!(writer, "_ => None,").unwrap();
writeln!(writer, "}}").unwrap();
}