#!/usr/bin/env python3
"""Generate crates/ghostty-macos/src/ghostty/capi/consts.rs from
crates/ghostty-lib/include/ghostty.h: every enumerator becomes a
`pub const NAME: c_int` (the header's enums are C `int`s)."""
import re, sys, pathlib
root = pathlib.Path(__file__).resolve().parent.parent
hdr = (root / "crates/ghostty-lib/include/ghostty.h").read_text()
hdr = re.sub(r"/\*.*?\*/", "", hdr, flags=re.S)
hdr = re.sub(r"//[^\n]*", "", hdr)
out = [
    "//! GENERATED by scripts/gen-macos-capi-consts.py from include/ghostty.h; do not edit.",
    "//!",
    "//! The enumerators of every C enum of the header (all `int`).",
    "#![allow(missing_docs)]",
    "",
    "use std::ffi::c_int;",
    "",
]
for m in re.finditer(r"typedef\s+enum\s*(?:\w+\s*)?\{(.*?)\}\s*(\w+)\s*;", hdr, flags=re.S):
    body, name = m.group(1), m.group(2)
    out.append(f"// {name}")
    nxt = 0
    for item in [x.strip() for x in body.split(",") if x.strip()]:
        if "=" in item:
            n, v = [x.strip() for x in item.split("=", 1)]
            v = v.replace("UL", "").replace("U", "")
            nxt = eval(v)
        else:
            n = item
        out.append(f"pub const {n}: c_int = {nxt};")
        nxt += 1
    out.append("")
sys.stdout.write("\n".join(out))