import re
from SCons.Script import *

def _build_lib_name(env: Environment) -> str:
    if os.name == 'posix':
        return {
            'debug': 'curl-d'
        }.get(env['BUILD_TYPE'], 'curl')
    elif os.name == 'nt':
        return {
            'debug': 'libcurl-d'
        }.get(env['BUILD_TYPE'], 'libcurl')
    else:
        raise Exception('curl is not supported yet on this OS')

def _git_cook(env: Environment, repo: dict) -> dict:
    checkout_root = repo['checkout_root']
    build_result = env.CMakeProject(checkout_root, generate_args=['-DBUILD_CURL_EXE=OFF','-DBUILD_SHARED_LIBS=OFF',
                                                                  '-DBUILD_STATIC_LIBS=ON', '-DHTTP_ONLY=ON',
                                                                  '-DCURL_USE_LIBSSH2=OFF'])
    lib_name = _build_lib_name(env)
    return {
        'CPPPATH': build_result['CPPPATH'],
        'LIBS': [env.FindLib(lib_name, paths=build_result['LIBPATH'])],
        'CPPDEFINES': ['CURL_STATICLIB=1']
    }

def _git_dependencies(env: Environment, version) -> 'dict':
    deps = {
        'posix': {
            'openssl': {},
            'zlib': {},
            'psl': {}
        },
        'nt': {
            'wincrypt': {},
            'winldap': {},
            'winsock2': {}
        }
    }.get(os.name, {})
    if os.name == 'posix' and version >= (8, 10, 0):
        deps['nghttp2'] = {}
    return deps

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