# coding=utf-8
from __future__ import absolute_import

import os
import threading
import time
import flask
import datetime

import octoprint.plugin
from octoprint.events import Events
from octoprint.util import get_formatted_size, get_formatted_datetime, is_hidden_path
from octoprint.server.util.flask import no_firstrun_access
from octoprint.server.util.tornado import LargeResponseHandler, UrlProxyHandler, path_validation_factory
from octoprint.access.permissions import Permissions
from urllib.parse import quote as urlquote
from .ftpsclient import IoTFTPSClient


class BambuPrintPlugin(octoprint.plugin.SettingsPlugin,
                       octoprint.plugin.TemplatePlugin,
                       octoprint.plugin.AssetPlugin,
                       octoprint.plugin.EventHandlerPlugin,
                       octoprint.plugin.SimpleApiPlugin,
                       octoprint.plugin.BlueprintPlugin):


    def get_assets(self):
        return {'js': ["js/bambu_printer.js"]}
    def get_template_configs(self):
        return [{"type": "settings", "custom_bindings": True},
                {"type": "generic", "custom_bindings": True, "template": "bambu_timelapse.jinja2"}] #, {"type": "generic", "custom_bindings": True, "template": "bambu_printer.jinja2"}]

    def get_settings_defaults(self):
        return {"device_type": "X1C",
                "serial": "",
                "host": "",
                "access_code": "",
                "username": "bblp",
                "timelapse": False,
                "bed_leveling": True,
                "flow_cali": False,
                "vibration_cali": True,
                "layer_inspect": True,
                "use_ams": False,
                "local_mqtt": True,
                "region": "",
                "email": "",
                "auth_token": "",
                "always_use_default_options": False
                }

    def is_api_adminonly(self):
        return True

    def get_api_commands(self):
        return {"register": ["email", "password", "region", "auth_token"]}
    def on_api_command(self, command, data):
        if command == "register":
            if "email" in data and "password" in data and "region" in data and "auth_token" in data:
                self._logger.info(f"Registering user {data['email']}")
                from pybambu import BambuCloud
                bambu_cloud = BambuCloud(data["region"], data["email"], data["password"], data["auth_token"])
                bambu_cloud.login(data["region"], data["email"], data["password"])
                return flask.jsonify({"auth_token": bambu_cloud.auth_token, "username": bambu_cloud.username})
    def on_event(self, event, payload):
        if event == Events.TRANSFER_DONE:
            self._printer.commands("M20 L T", force=True)
    def support_3mf_files(self):
        return {'machinecode': {'3mf': ["3mf"]}}

    def upload_to_sd(self, printer, filename, path, sd_upload_started, sd_upload_succeeded, sd_upload_failed, *args, **kwargs):
        self._logger.debug(f"Starting upload from {filename} to {filename}")
        sd_upload_started(filename, filename)
        def process():
            host = self._settings.get(["host"])
            access_code = self._settings.get(["access_code"])
            elapsed = time.monotonic()

            try:
                ftp = IoTFTPSClient(f"{host}", 990, "bblp", f"{access_code}", ssl_implicit=True)
                if ftp.upload_file(path, f"{filename}"):
                    elapsed = time.monotonic() - elapsed
                    sd_upload_succeeded(filename, filename, elapsed)
                    # remove local file after successful upload to Bambu
                    # self._file_manager.remove_file("local", filename)
                else:
                    raise Exception("upload failed")
            except Exception as e:
                elapsed = time.monotonic() - elapsed
                sd_upload_failed(filename, filename, elapsed)
                self._logger.debug(f"Error uploading file {filename}")

        thread = threading.Thread(target=process)
        thread.daemon = True
        thread.start()

        return filename

    def get_template_vars(self):
        return {"plugin_version": self._plugin_version}

    def virtual_printer_factory(self, comm_instance, port, baudrate, read_timeout):
        if not port == "BAMBU":
            return None

        if self._settings.get(["serial"]) == "" or self._settings.get(["host"]) == "" or self._settings.get(["access_code"]) == "":
            return None

        import logging.handlers

        from octoprint.logging.handlers import CleaningTimedRotatingFileHandler

        seriallog_handler = CleaningTimedRotatingFileHandler(
            self._settings.get_plugin_logfile_path(postfix="serial"),
            when="D",
            backupCount=3,
        )
        seriallog_handler.setFormatter(logging.Formatter("%(asctime)s %(message)s"))
        seriallog_handler.setLevel(logging.DEBUG)

        from . import virtual

        serial_obj = virtual.BambuPrinter(
            self._settings,
            self._printer_profile_manager,
            data_folder=self.get_plugin_data_folder(),
            seriallog_handler=seriallog_handler,
            read_timeout=float(read_timeout),
            faked_baudrate=baudrate,
        )
        return serial_obj

    def get_additional_port_names(self, *args, **kwargs):
        if self._settings.get(["serial"]) != "" and self._settings.get(["host"]) != "" and self._settings.get(["access_code"]) != "":
            return ["BAMBU"]
        else:
            return []

    def get_timelapse_file_list(self):
        if flask.request.path.startswith('/api/timelapse'):
            def process():
                host = self._settings.get(["host"])
                access_code = self._settings.get(["access_code"])
                return_file_list = []

                try:
                    ftp = IoTFTPSClient(f"{host}", 990, "bblp", f"{access_code}", ssl_implicit=True)
                    timelapse_file_list = ftp.list_files("timelapse/", ".mp4") or []

                    for entry in timelapse_file_list:
                        if entry.startswith("/"):
                            filename = entry[1:].replace("timelapse/", "")
                        else:
                            filename = entry.replace("timelapse/", "")

                        filesize = ftp.ftps_session.size(f"timelapse/{filename}")
                        date_str = ftp.ftps_session.sendcmd(f"MDTM timelapse/{filename}").replace("213 ", "")
                        filedate = datetime.datetime.strptime(date_str, "%Y%m%d%H%M%S").replace(tzinfo=datetime.timezone.utc).timestamp()

                        return_file_list.append(
                            {
                                "bytes": filesize,
                                "date": get_formatted_datetime(datetime.datetime.fromtimestamp(filedate)),
                                "name": filename,
                                "size": get_formatted_size(filesize),
                                "thumbnail": "/plugin/bambu_printer/thumbnail/" + filename.replace(".mp4", ".jpg"),
                                "timestamp": filedate,
                                "url": f"/plugin/bambu_printer/timelapse/{filename}"
                            })

                    self._plugin_manager.send_plugin_message(self._identifier, {'files': return_file_list})

                except Exception as e:
                    self._logger.debug(f"Error getting timelapse files: {e}")

            thread = threading.Thread(target=process)
            thread.daemon = True
            thread.start()


    def _hook_octoprint_server_api_before_request(self, *args, **kwargs):
        return [self.get_timelapse_file_list]

    @octoprint.plugin.BlueprintPlugin.route("/timelapse/<filename>", methods=["GET"])
    @octoprint.server.util.flask.restricted_access
    @no_firstrun_access
    @Permissions.TIMELAPSE_DOWNLOAD.require(403)
    def downloadTimelapse(self, filename):
        dest_filename = os.path.join(self.get_plugin_data_folder(), filename)
        host = self._settings.get(["host"])
        access_code = self._settings.get(["access_code"])

        if not os.path.exists(dest_filename):
            ftp = IoTFTPSClient(f"{host}", 990, "bblp", f"{access_code}", ssl_implicit=True)
            download_result = ftp.download_file(
                source=f"timelapse/{filename}",
                dest=dest_filename,
            )

        return flask.redirect("/plugin/bambu_printer/download/timelapse/" + urlquote(filename), code=302)

    @octoprint.plugin.BlueprintPlugin.route("/thumbnail/<filename>", methods=["GET"])
    @octoprint.server.util.flask.restricted_access
    @no_firstrun_access
    @Permissions.TIMELAPSE_DOWNLOAD.require(403)
    def downloadTimelapse(self, filename):
        dest_filename = os.path.join(self.get_plugin_data_folder(), filename)
        host = self._settings.get(["host"])
        access_code = self._settings.get(["access_code"])

        if not os.path.exists(dest_filename):
            ftp = IoTFTPSClient(f"{host}", 990, "bblp", f"{access_code}", ssl_implicit=True)
            download_result = ftp.download_file(
                source=f"timelapse/thumbnail/{filename}",
                dest=dest_filename,
            )

        return flask.redirect("/plugin/bambu_printer/download/thumbnail/" + urlquote(filename), code=302)

    def is_blueprint_csrf_protected(self):
        return True

    def route_hook(self, server_routes, *args, **kwargs):
        return [
            (r"/download/timelapse/(.*)", LargeResponseHandler,
             {'path': self.get_plugin_data_folder(), 'as_attachment': True, 'path_validation': path_validation_factory(
                 lambda path: not is_hidden_path(path), status_code=404)}),
            (r"/download/thumbnail/(.*)", LargeResponseHandler,
             {'path': self.get_plugin_data_folder(), 'as_attachment': True, 'path_validation': path_validation_factory(
                 lambda path: not is_hidden_path(path), status_code=404)})
        ]

    def get_update_information(self):
        return {'bambu_printer': {'displayName': "Bambu Printer",
                                  'displayVersion': self._plugin_version,
                                  'type': "github_release",
                                  'user': "jneilliii",
                                  'repo': "OctoPrint-BambuPrinter",
                                  'current': self._plugin_version,
                                  'stable_branch': {'name': "Stable",
                                                    'branch': "master",
                                                    'comittish': ["master"]},
                                  'prerelease_branches': [
                                      {'name': "Release Candidate",
                                       'branch': "rc",
                                       'comittish': ["rc", "master"]}
                                  ],
                                  'pip': "https://github.com/jneilliii/OctoPrint-BambuPrinter/archive/{target_version}.zip"}}


__plugin_name__ = "Bambu Printer"
__plugin_pythoncompat__ = ">=3.7,<4"


def __plugin_load__():
    plugin = BambuPrintPlugin()

    global __plugin_implementation__
    __plugin_implementation__ = plugin

    global __plugin_hooks__
    __plugin_hooks__ = {
        "octoprint.comm.transport.serial.factory": __plugin_implementation__.virtual_printer_factory,
        "octoprint.comm.transport.serial.additional_port_names": __plugin_implementation__.get_additional_port_names,
        "octoprint.filemanager.extension_tree": __plugin_implementation__.support_3mf_files,
        "octoprint.printer.sdcardupload": __plugin_implementation__.upload_to_sd,
        "octoprint.plugin.softwareupdate.check_config": __plugin_implementation__.get_update_information,
        "octoprint.server.api.before_request": __plugin_implementation__._hook_octoprint_server_api_before_request,
        "octoprint.server.http.routes": __plugin_implementation__.route_hook
    }