import os
import subprocess
import sys
from SCons.Script import *

def cook(env: Environment, git_ref: str = "main") -> dict:
    repo = env.Cook('GitBranch', repo_name = 'SDL', remote_url = 'https://github.com/libsdl-org/SDL.git', git_ref = git_ref)
    checkout_root = repo['checkout_root']

    config = env['BUILD_TYPE']
    build_dir = os.path.join(checkout_root, f'build_{config}')
    install_dir = os.path.join(checkout_root, f'install_{config}')
    lib_fname = {
        'debug': 'libSDL2d.a'
    }.get(env['BUILD_TYPE'], 'libSDL2.a') # TODO: who cares about windows?
    is_built = os.path.exists(os.path.join(build_dir, lib_fname)) # TODO!
    if not is_built:
        print(f'Building SDL, config {config}')
        os.makedirs(build_dir, exist_ok=True)
        build_type = {
            'debug': 'Debug',
            'release_debug': 'RelWithDebInfo',
            'release': 'Release',
            'profile': 'RelWithDebInfo'
        }.get(env['BUILD_TYPE'], 'RelWithDebInfo')
        subprocess.run(('cmake', '-G', 'Ninja', '-B', build_dir, f'-DCMAKE_BUILD_TYPE={build_type}', '-DSDL_STATIC=ON', '-DSDL_SHARED=OFF', f'-DCMAKE_INSTALL_PREFIX={install_dir}', checkout_root), stdout=sys.stdout, stderr=sys.stderr, check=True)
        subprocess.run(('cmake', '--build', build_dir), stdout=sys.stdout, stderr=sys.stderr, check=True)
        subprocess.run(('cmake', '--install', build_dir), stdout=sys.stdout, stderr=sys.stderr, check=True)
    

    lib_name = {
        'debug': 'SDL2d'
    }.get(env['BUILD_TYPE'], 'SDL2')
    return {
        'LIBPATH': [os.path.join(install_dir, 'lib')],
        'CPPPATH': [os.path.join(install_dir, 'include')],
        'LIBS': [lib_name, 'm']
    }