from __future__ import annotations

import functools

import json

from pre_commit.prefix import Prefix

from pre_commit.request import fetch

RESOLVABLE = ('latest', 'lts')

@functools.cache

def _node_versions() -> dict[str, str]:

resp = fetch('https://nodejs.org/download/release/index.json')

contents = json.load(resp)

ret = {'latest': contents[0]['version']}

for dct in contents:

if dct['lts']:

ret['lts'] = dct['version']

break

else:

raise AssertionError('unreachable')

return ret

def resolve(version: str) -> str:

return _node_versions()[version]

@functools.cache

def _target_platform() -> str:

# to support:

# linux-arm64, linux-ppc64le, linux-s390x, linux-x64

# osx-arm64-tar, osx-x86-tar

# win-arm64-zip, win-x64-zip

# or fallback to `src` ?

raise NotImplementedError

def install(prefix: Prefix, version: str) -> None:

# TODO: download and extract to prefix

raise NotImplementedError

def health_check(prefix: Prefix, version: str) -> str | None:

# TODO: previously checked `node --version`

# TODO: but maybe just check that the installed os/arch is correct?

return None