#!/usr/bin/env python3
"""cargo-ndk 4.1.2 subprocess contract with locked, offline dependency resolution.

Do not replace with a shell shim: some shells discard cargo-ndk's hyphenated
CC/CXX environment keys, causing cc-rs to lose the actual NDK compiler path.
"""
import os
from pathlib import Path
import sys


def refuse():
    sys.stderr.write('cargo-locked-offline: refused unsupported invocation or missing input\n')
    raise SystemExit(64)


def main():
    real = os.environ.get('ANDROID_REAL_CARGO', '')
    if not real or not Path(real).is_absolute() or not os.access(real, os.X_OK):
        refuse()
    if Path(real).resolve() == Path(__file__).resolve():
        refuse()
    if not Path('Cargo.lock').is_file() or Path('Cargo.lock').stat().st_size == 0 or not Path('Cargo.toml').is_file():
        refuse()
    args = sys.argv[1:]
    if args == ['metadata', '--format-version', '1', '--no-deps']:
        args += ['--locked', '--offline']
    else:
        base = ['build', '--release', '--locked', '--offline']
        suffix = ['--manifest-path', str(Path.cwd() / 'Cargo.toml'), '--target',
                  'aarch64-linux-android', '--message-format', 'json-render-diagnostics']
        preview = ['--no-default-features', '--features', 'experimental-usb']
        if args not in (base + suffix, base + preview + suffix):
            refuse()
    # Preserve every NDK toolchain key verbatim, including hyphenated names.
    env = dict(os.environ, CARGO_NET_OFFLINE='true', CARGO=real)
    os.execve(real, [real, *args], env)


if __name__ == '__main__':
    main()