import os
import threading
import time

from openpype.modules import OpenPypeModule, ITrayModule, IPluginPaths
from openpype.client import get_asset_by_name

from .constants import CLOCKIFY_FTRACK_USER_PATH, CLOCKIFY_FTRACK_SERVER_PATH


class ClockifyModule(OpenPypeModule, ITrayModule, IPluginPaths):
    name = "clockify"

    def initialize(self, modules_settings):
        clockify_settings = modules_settings[self.name]
        self.enabled = clockify_settings["enabled"]
        self.workspace_name = clockify_settings["workspace_name"]

        if self.enabled and not self.workspace_name:
            raise Exception("Clockify Workspace is not set in settings.")

        self.timer_manager = None
        self.MessageWidgetClass = None
        self.message_widget = None
        self._clockify_api = None

        # TimersManager attributes
        # - set `timers_manager_connector` only in `tray_init`
        self.timers_manager_connector = None
        self._timers_manager_module = None

    @property
    def clockify_api(self):
        if self._clockify_api is None:
            from .clockify_api import ClockifyAPI

            self._clockify_api = ClockifyAPI(master_parent=self)
        return self._clockify_api

    def get_global_environments(self):
        return {"CLOCKIFY_WORKSPACE": self.workspace_name}

    def tray_init(self):
        from .widgets import ClockifySettings, MessageWidget

        self.MessageWidgetClass = MessageWidget

        self.message_widget = None
        self.widget_settings = ClockifySettings(self.clockify_api)
        self.widget_settings_required = None

        self.thread_timer_check = None
        # Bools
        self.bool_thread_check_running = False
        self.bool_api_key_set = False
        self.bool_workspace_set = False
        self.bool_timer_run = False
        self.bool_api_key_set = self.clockify_api.set_api()

        # Define itself as TimersManager connector
        self.timers_manager_connector = self

    def tray_start(self):
        if self.bool_api_key_set is False:
            self.show_settings()
            return

        self.bool_workspace_set = self.clockify_api.workspace_id is not None
        if self.bool_workspace_set is False:
            return

        self.start_timer_check()
        self.set_menu_visibility()

    def tray_exit(self, *_a, **_kw):
        return

    def get_plugin_paths(self):
        """Implementation of IPluginPaths to get plugin paths."""
        actions_path = os.path.join(
            os.path.dirname(os.path.abspath(__file__)), "launcher_actions"
        )
        return {"actions": [actions_path]}

    def get_ftrack_event_handler_paths(self):
        """Function for Ftrack module to add ftrack event handler paths."""
        return {
            "user": [CLOCKIFY_FTRACK_USER_PATH],
            "server": [CLOCKIFY_FTRACK_SERVER_PATH],
        }

    def clockify_timer_stopped(self):
        self.bool_timer_run = False
        self.timer_stopped()

    def start_timer_check(self):
        self.bool_thread_check_running = True
        if self.thread_timer_check is None:
            self.thread_timer_check = threading.Thread(
                target=self.check_running
            )
            self.thread_timer_check.daemon = True
            self.thread_timer_check.start()

    def stop_timer_check(self):
        self.bool_thread_check_running = True
        if self.thread_timer_check is not None:
            self.thread_timer_check.join()
            self.thread_timer_check = None

    def check_running(self):
        while self.bool_thread_check_running is True:
            bool_timer_run = False
            if self.clockify_api.get_in_progress() is not None:
                bool_timer_run = True

            if self.bool_timer_run != bool_timer_run:
                if self.bool_timer_run is True:
                    self.clockify_timer_stopped()
                elif self.bool_timer_run is False:
                    current_timer = self.clockify_api.get_in_progress()
                    if current_timer is None:
                        continue
                    current_proj_id = current_timer.get("projectId")
                    if not current_proj_id:
                        continue

                    project = self.clockify_api.get_project_by_id(
                        current_proj_id
                    )
                    if project and project.get("code") == 501:
                        continue

                    project_name = project.get("name")

                    current_timer_hierarchy = current_timer.get("description")
                    if not current_timer_hierarchy:
                        continue
                    hierarchy_items = current_timer_hierarchy.split("/")
                    # Each pype timer must have at least 2 items!
                    if len(hierarchy_items) < 2:
                        continue

                    task_name = hierarchy_items[-1]
                    hierarchy = hierarchy_items[:-1]

                    data = {
                        "task_name": task_name,
                        "hierarchy": hierarchy,
                        "project_name": project_name,
                    }
                    self.timer_started(data)

                self.bool_timer_run = bool_timer_run
                self.set_menu_visibility()
            time.sleep(5)

    def signed_in(self):
        if not self.timer_manager:
            return

        if not self.timer_manager.last_task:
            return

        if self.timer_manager.is_running:
            self.start_timer_manager(self.timer_manager.last_task)

    def on_message_widget_close(self):
        self.message_widget = None

    # Definition of Tray menu
    def tray_menu(self, parent_menu):
        # Menu for Tray App
        from qtpy import QtWidgets

        menu = QtWidgets.QMenu("Clockify", parent_menu)
        menu.setProperty("submenu", "on")

        # Actions
        action_show_settings = QtWidgets.QAction("Settings", menu)
        action_stop_timer = QtWidgets.QAction("Stop timer", menu)

        menu.addAction(action_show_settings)
        menu.addAction(action_stop_timer)

        action_show_settings.triggered.connect(self.show_settings)
        action_stop_timer.triggered.connect(self.stop_timer)

        self.action_stop_timer = action_stop_timer

        self.set_menu_visibility()

        parent_menu.addMenu(menu)

    def show_settings(self):
        self.widget_settings.input_api_key.setText(
            self.clockify_api.get_api_key()
        )
        self.widget_settings.show()

    def set_menu_visibility(self):
        self.action_stop_timer.setVisible(self.bool_timer_run)

    # --- TimersManager connection methods ---
    def register_timers_manager(self, timer_manager_module):
        """Store TimersManager for future use."""
        self._timers_manager_module = timer_manager_module

    def timer_started(self, data):
        """Tell TimersManager that timer started."""
        if self._timers_manager_module is not None:
            self._timers_manager_module.timer_started(self.id, data)

    def timer_stopped(self):
        """Tell TimersManager that timer stopped."""
        if self._timers_manager_module is not None:
            self._timers_manager_module.timer_stopped(self.id)

    def stop_timer(self):
        """Called from TimersManager to stop timer."""
        self.clockify_api.finish_time_entry()

    def _verify_project_exists(self, project_name):
        project_id = self.clockify_api.get_project_id(project_name)
        if not project_id:
            self.log.warning(
                'Project "{}" was not found in Clockify. Timer won\'t start.'
            ).format(project_name)

            if not self.MessageWidgetClass:
                return

            msg = (
                'Project <b>"{}"</b> is not'
                ' in Clockify Workspace <b>"{}"</b>.'
                "<br><br>Please inform your Project Manager."
            ).format(project_name, str(self.clockify_api.workspace_name))

            self.message_widget = self.MessageWidgetClass(
                msg, "Clockify - Info Message"
            )
            self.message_widget.closed.connect(self.on_message_widget_close)
            self.message_widget.show()
            return False
        return project_id

    def start_timer(self, input_data):
        """Called from TimersManager to start timer."""
        # If not api key is not entered then skip
        if not self.clockify_api.get_api_key():
            return

        task_name = input_data.get("task_name")

        # Concatenate hierarchy and task to get description
        description_items = list(input_data.get("hierarchy", []))
        description_items.append(task_name)
        description = "/".join(description_items)

        # Check project existence
        project_name = input_data.get("project_name")
        project_id = self._verify_project_exists(project_name)
        if not project_id:
            return

        # Setup timer tags
        tag_ids = []
        tag_name = input_data.get("task_type")
        if not tag_name:
            # no task_type found in the input data
            # if the timer is restarted by idle time (bug?)
            asset_name = input_data["hierarchy"][-1]
            asset_doc = get_asset_by_name(project_name, asset_name)
            task_info = asset_doc["data"]["tasks"][task_name]
            tag_name = task_info.get("type", "")
            if not tag_name:
                self.log.info("No tag information found for the timer")

        task_tag_id = self.clockify_api.get_tag_id(tag_name)
        if task_tag_id is not None:
            tag_ids.append(task_tag_id)

        # Start timer
        self.clockify_api.start_time_entry(
            description,
            project_id,
            tag_ids=tag_ids,
            workspace_id=self.clockify_api.workspace_id,
            user_id=self.clockify_api.user_id,
        )