from .env_key import SunshineEnvKey as EnvKey
from .enums import SunshineAudioConfig
from .structs import SunshineAudioConfig, SunshineEnvironmentVariables, SunshineClientSpecs, SunshineClientInfo, SunshineClientOptions

from os import environ

def load_env_variables() -> SunshineEnvironmentVariables:
    def ld_str(var: EnvKey): return environ.get(var.requested_key, var.default)
    def ld_int(var: EnvKey): return int(ld_str(var))
    def ld_bool(var: EnvKey): return ld_str(var).lower() == "true" 
    
    return SunshineEnvironmentVariables(
        SunshineClientInfo(
            app_id = ld_str(EnvKey.APP_ID),
            app_name = ld_str(EnvKey.APP_NAME)
        ),
        SunshineClientSpecs(
            width = ld_int(EnvKey.WIDTH),
            height = ld_int(EnvKey.HEIGHT),
            fps = ld_int(EnvKey.FPS),
            hdr = ld_bool(EnvKey.HDR),
            gcmap = ld_int(EnvKey.GCMAP)
        ),
        SunshineClientOptions(
            host_audio = ld_bool(EnvKey.HOST_AUDIO),
            enable_sops = ld_bool(EnvKey.ENABLE_SOPS),
            audio_config = SunshineAudioConfig(ld_str(EnvKey.AUDIO_CONFIG))
        )
    )