import os
import re
from SCons.Script import *


def _git_cook(env: Environment, repo: dict) -> dict:
    checkout_root = repo['checkout_root']
    build_result = env.CMakeProject(project_root=checkout_root, generate_args=['-DJSON_BuildTests=OFF'])
    return {
        'CPPPATH': build_result['CPPPATH'],
        'CMAKE_PREFIX_PATH': [build_result['install_dir']]
    }


env.GitRecipe(
    globals = globals(),
    repo_name = 'json',
    repo_url = 'https://github.com/nlohmann/json.git',
    tag_pattern = re.compile(r'^v([0-9]+)\.([0-9]+)\.([0-9]+)$'),
    tag_fn = lambda version: f'v{version[0]}.{version[1]}.{version[2]}',
    cook_fn = _git_cook
)