"""Read projections used by the demo API."""

from .models import Device, DeviceType, File, Manufacturer


def get_all_manufacturers() -> list[dict]:
    return [item.to_json() for item in Manufacturer.objects.all()]


def get_all_device_types() -> list[dict]:
    return [item.to_json() for item in DeviceType.objects.all()]


def get_all_devices() -> list[dict]:
    devices = Device.objects.select_related(
        "product", "product__manufacturer", "product__device_type"
    )
    return [
        {
            "id": device.id,
            "manufacturer_name": device.product.manufacturer.name,
            "device_type": device.product.device_type.device_type,
            "device_name": device.product.product_name,
            "serial": device.serial,
            "comment": device.comment,
            "created": device.created.isoformat(),
        }
        for device in devices
    ]


def get_device_by_id(device_id: int) -> dict:
    device = Device.objects.select_related(
        "product", "product__manufacturer", "product__device_type"
    ).get(id=device_id)
    return device.to_json()


def get_files_by_device(device_id: int) -> list[dict]:
    files = File.objects.filter(device_id=device_id).select_related("firmware")
    return [
        {
            "id": file.id,
            "filename": file.filename,
            "ip": file.ip_address,
            "state": file.status,
            "upload": file.upload_time.isoformat(),
            "firmware_version": file.firmware.version,
        }
        for file in files
    ]