#!/usr/bin/env python3

import toml
import pathlib
from datetime import datetime

class AutoUpload(object):
    """AutoUpload is a class handling the state of videos automatically uploaded by prismedia"""

    _currentVideo = None
    _videoSuffix = ".mp4"

    _urlSuffix = "-url"
    _errorSuffix = "-error"
    _publishSuffix = "-publish"
    _lastUpdateTimeKey = "update-time"

    def __init__(self, autouploadFile):
        super(AutoUpload, self).__init__()

        self._autouploadFile = autouploadFile
        self._basePath = pathlib.Path(autouploadFile).resolve().parent
        self._autoUploadConfig = toml.load(autouploadFile)

        # print("content of file")
        # with open(autouploadFile, "r") as file:
        #     print(file.readlines())

        # TODO: remove me / should only be here for debug
        # print("setting autouplad config")
        # print(self._autouploadFile)
        # print(self._autoUploadConfig)

    def nextVideo(self, platform):
        """Get the path to the next video to upload for a specific platform"""
        for video in self._autoUploadConfig["videos"]:
            if platform + self._urlSuffix not in self._autoUploadConfig["videos"][video]:
                self._currentVideo = video
                return (self._basePath / video).with_suffix(self._videoSuffix).resolve().as_posix()

        self._currentVideo = None
        return False

    def success(self, platform, url, publishDate):
        """Last video asked was successfully uploaded"""
        updateTime = datetime.today()

        self._autoUploadConfig["videos"][self._currentVideo].pop(platform + self._errorSuffix, None)


        self._autoUploadConfig["videos"][self._currentVideo][platform + self._urlSuffix] = url
        self._autoUploadConfig["videos"][self._currentVideo][platform + self._publishSuffix] = publishDate

        self._autoUploadConfig["videos"][self._currentVideo][self._lastUpdateTimeKey] = updateTime

        self._write()

    def error(self, platform, errorString):
        """There was an error on upload of last video"""
        updateTime = datetime.today()

        self._autoUploadConfig["videos"][self._currentVideo][platform + self._errorSuffix] = errorString

        self._autoUploadConfig["videos"][self._currentVideo][self._lastUpdateTimeKey] = updateTime

        self._write()

    def _write(self):
        """Private helper function
        Write current autoupload state on file(s)"""
        with open(self._autouploadFile, 'w', encoding="utf-8", errors="strict") as f:
            toml.dump(self._autoUploadConfig, f, encoder=toml.TomlPreserveInlineDictEncoder())  # can we also inherit from toml.TomlPreserveCommentEncoder()?