import enum
import lxml.html
from typing import Union
from typing import TYPE_CHECKING

from .aterrors import FileError

if TYPE_CHECKING:
	from .atserver import AternosServer

class FileType(enum.IntEnum):
	file = 0
	directory = 1

class AternosFile:

	def __init__(
		self, atserv:'AternosServer',
		path:str, name:str, ftype:int=FileType.file,
		size:Union[int,float]=0, dlallowed:bool=False) -> None:

		self.atserv = atserv
		self._path = path
		self._name = name
		self._ftype = ftype
		self._size = float(size)
		self._dlallowed = dlallowed

	def delete(self) -> None:

		self.atserv.atserver_request(
			'https://aternos.org/panel/ajax/delete.php',
			'POST', data={'file': self._name},
			sendtoken=True
		)

	def get_content(self) -> bytes:
		file = self.atserv.atserver_request(
			f'https://aternos.org/panel/ajax/files/download.php',
			'GET', params={
				'file': self._path
			}
		)
		if not self._dlallowed:
			raise FileError('Downloading this file is not allowed. Try to get text')
		return file.content

	def set_content(self, value:bytes) -> None:
		self.atserv.atserver_request(
			f'https://aternos.org/panel/ajax/save.php',
			'POST', data={
				'file': self._path,
				'content': value
			}, sendtoken=True
		)

	def get_text(self) -> str:
		editor = self.atserv.atserver_request(
			f'https://aternos.org/files/{self._name}', 'GET'
		)
		edittree = lxml.html.fromstring(editor.content)

		editfield = edittree.xpath('//div[@class="ace_layer ace_text-layer"]')[0]
		editlines = editfield.xpath('/div[@class="ace_line"]')
		rawlines = []

		for line in editlines:
			rawlines.append(line.text)
		return rawlines

	def set_text(self, value:str) -> None:
		self.set_content(value.encode('utf-8'))

	@property
	def path(self):
		return self._path

	@property
	def name(self) -> str:
		return self._name

	@property
	def is_dir(self) -> bool:
		if self._ftype == FileType.directory:
			return True
		return False

	@property
	def is_file(self) -> bool:
		if self._ftype == FileType.file:
			return True
		return False
	
	@property
	def size(self) -> float:
		return self._size

	@property
	def dlallowed(self) -> bool:
		return self._dlallowed