#!/usr/bin/env python3
# file: scripts/build_reflex_tauri_wasm.py
# version: 2

"""Build the dedicated Reflex WASM adapter for the Vite/Tauri frontend."""

from __future__ import annotations

import pathlib
import subprocess
import sys


def main() -> int:
    """Build the WASM crate and generate browser bindings inside the Tauri frontend."""

    root = pathlib.Path(__file__).resolve().parent.parent
    target_dir = root.parent / "builds" / "sasedev-games" / "target"
    wasm_path = target_dir / "wasm32-unknown-unknown" / "debug" / "game_reflex_poc_wasm.wasm"
    output_dir = root / "crates" / "apps" / "game-reflex-poc-tauri" / "frontend" / "wasm"

    build = subprocess.run(
        ["cargo", "build", "-p", "game-reflex-poc-wasm", "--target", "wasm32-unknown-unknown"],
        cwd=root,
        check=False,
    )
    if build.returncode != 0:
        return build.returncode
    if not wasm_path.is_file():
        print(f"WASM artifact not found: {wasm_path}", file=sys.stderr)
        return 2

    output_dir.mkdir(parents=True, exist_ok=True)
    bindings = subprocess.run(
        [
            "wasm-bindgen",
            str(wasm_path),
            "--target",
            "web",
            "--out-dir",
            str(output_dir),
            "--out-name",
            "game_reflex_poc_wasm",
        ],
        cwd=root,
        check=False,
    )
    if bindings.returncode != 0:
        return bindings.returncode

    print(f"Reflex WASM bindings generated in {output_dir}")
    return 0


if __name__ == "__main__":
    raise SystemExit(main())