from app.config import settings
from app.models import Cloud, CloudType, Profile, User
from app.schemas import (
    CloudOut,
    CloudOwnerOut,
    CloudTypeOut,
    CloudTypeSummary,
    ProfileOut,
    PublicProfileOut,
    UserOut,
)


def media_url(path: str | None) -> str | None:
    if not path:
        return None
    return f"{settings.media_base_url}/{path.lstrip('/')}"


def profile_out(profile: Profile) -> ProfileOut:
    return ProfileOut(
        id=profile.id,
        username=profile.username,
        avatar_url=media_url(profile.avatar_path),
        role=profile.role,
        is_disabled=profile.is_disabled,
        created_at=profile.created_at,
    )


def public_profile_out(profile: Profile) -> PublicProfileOut:
    return PublicProfileOut(
        id=profile.id,
        username=profile.username,
        avatar_url=media_url(profile.avatar_path),
        created_at=profile.created_at,
    )


def user_out(user: User) -> UserOut:
    return UserOut(
        id=user.id,
        email=user.email,
        email_verified=user.email_verified_at is not None,
        created_at=user.created_at,
    )


def cloud_type_summary(cloud_type: CloudType) -> CloudTypeSummary:
    return CloudTypeSummary(
        id=cloud_type.id,
        name=cloud_type.name,
        name_en=cloud_type.name_en,
        rarity=cloud_type.rarity,
    )


def cloud_type_out(cloud_type: CloudType) -> CloudTypeOut:
    return CloudTypeOut(
        id=cloud_type.id,
        name=cloud_type.name,
        name_en=cloud_type.name_en,
        genus=cloud_type.genus,
        rarity=cloud_type.rarity,
        description=cloud_type.description,
        icon_url=cloud_type.icon_url,
        created_at=cloud_type.created_at,
    )


def cloud_out(cloud: Cloud, *, include_private: bool = True) -> CloudOut:
    cloud_type = cloud.cloud_type
    profile = cloud.user.profile
    type_name = cloud_type.name if cloud_type else (cloud.custom_cloud_type or "未知")
    rarity = cloud_type.rarity if cloud_type else "common"
    return CloudOut(
        id=cloud.id,
        user_id=cloud.user_id,
        cloud_type_id=cloud.cloud_type_id,
        custom_cloud_type=cloud.custom_cloud_type,
        image_url=media_url(cloud.image_path) or "",
        thumbnail_url=media_url(cloud.thumbnail_path) or "",
        latitude=float(cloud.latitude) if cloud.latitude is not None else None,
        longitude=float(cloud.longitude) if cloud.longitude is not None else None,
        location_name=cloud.location_name,
        description=cloud.description,
        captured_at=cloud.captured_at,
        status=cloud.status if include_private else "approved",
        is_hidden=cloud.is_hidden if include_private else False,
        created_at=cloud.created_at,
        updated_at=cloud.updated_at,
        cloud_type=cloud_type_summary(cloud_type) if cloud_type else None,
        owner=CloudOwnerOut(id=profile.id, username=profile.username),
        cloud_type_name=type_name,
        cloud_type_rarity=rarity,
        username=profile.username,
    )