from streamlit_local_storage import LocalStorage

from local_storage.entities import SavedDetails, PersonalDetails, LocationDetails, ContractorDetails
from enums.enums import DetailsType


class LocalStorageManager:
    def __init__(self):
        self.ls: LocalStorage = LocalStorage()

    def get_detail(self, key: str = None):
        for detail_type in DetailsType.values():
            detail = self.ls.getItem(detail_type.name).get(key)
            if detail:
                if detail_type.value == DetailsType.PERSONAL_DETAILS.value:
                    return PersonalDetails(**detail)
                elif detail_type.value == DetailsType.LOCATION_DETAILS.value:
                    return LocationDetails(**detail)
                elif detail_type.value == DetailsType.CONTRACTOR_DETAILS.value:
                    return ContractorDetails(**detail)
                return None
        return None

    def save_details(self, details: SavedDetails):
        if isinstance(details, PersonalDetails):
            type_ = DetailsType.PERSONAL_DETAILS
        elif isinstance(details, LocationDetails):
            type_ = DetailsType.LOCATION_DETAILS
        elif isinstance(details, ContractorDetails):
            type_ = DetailsType.CONTRACTOR_DETAILS
        else:
            raise ValueError("Unexpected type: {}", type(details))
        existing_data = (self.ls.getItem(type_.name) or {})
        existing_data[details.key] = details.to_json()
        self.ls.setItem(type_.name, existing_data, type_.name)

    def get_details(self, type_: DetailsType) -> list[SavedDetails]:
        if type_.value == DetailsType.PERSONAL_DETAILS.value:
            cls = PersonalDetails
        elif type_.value == DetailsType.LOCATION_DETAILS.value:
            cls = LocationDetails
        else:
            cls = ContractorDetails
        details = self.ls.getItem(type_.name) or {}
        return [cls(**v) for k,v in details.items()]