import os
import re
import time
import json
import datetime
import requests
from .constants import (
    CLOCKIFY_ENDPOINT,
    ADMIN_PERMISSION_NAMES,
)

from openpype.lib.local_settings import OpenPypeSecureRegistry
from openpype.lib import Logger


class ClockifyAPI:
    log = Logger.get_logger(__name__)

    def __init__(self, api_key=None, master_parent=None):
        self.workspace_name = None
        self.master_parent = master_parent
        self.api_key = api_key
        self._workspace_id = None
        self._user_id = None
        self._secure_registry = None

    @property
    def secure_registry(self):
        if self._secure_registry is None:
            self._secure_registry = OpenPypeSecureRegistry("clockify")
        return self._secure_registry

    @property
    def headers(self):
        return {"x-api-key": self.api_key}

    @property
    def workspace_id(self):
        return self._workspace_id

    @property
    def user_id(self):
        return self._user_id

    def verify_api(self):
        for key, value in self.headers.items():
            if value is None or value.strip() == "":
                return False
        return True

    def set_api(self, api_key=None):
        if api_key is None:
            api_key = self.get_api_key()

        if api_key is not None and self.validate_api_key(api_key) is True:
            self.api_key = api_key
            self.set_workspace()
            self.set_user_id()
            if self.master_parent:
                self.master_parent.signed_in()
            return True
        return False

    def validate_api_key(self, api_key):
        test_headers = {"x-api-key": api_key}
        action_url = "user"
        response = requests.get(
            CLOCKIFY_ENDPOINT + action_url, headers=test_headers
        )
        if response.status_code != 200:
            return False
        return True

    def validate_workspace_permissions(self, workspace_id=None, user_id=None):
        if user_id is None:
            self.log.info("No user_id found during validation")
            return False
        if workspace_id is None:
            workspace_id = self.workspace_id
        action_url = f"workspaces/{workspace_id}/users?includeRoles=1"
        response = requests.get(
            CLOCKIFY_ENDPOINT + action_url, headers=self.headers
        )
        data = response.json()
        for user in data:
            if user.get("id") == user_id:
                roles_data = user.get("roles")
        for entities in roles_data:
            if entities.get("role") in ADMIN_PERMISSION_NAMES:
                return True
        return False

    def get_user_id(self):
        action_url = "user"
        response = requests.get(
            CLOCKIFY_ENDPOINT + action_url, headers=self.headers
        )
        result = response.json()
        user_id = result.get("id", None)

        return user_id

    def set_workspace(self, name=None):
        if name is None:
            name = os.environ.get("CLOCKIFY_WORKSPACE", None)
        self.workspace_name = name
        if self.workspace_name is None:
            return
        try:
            result = self.validate_workspace()
        except Exception:
            result = False
        if result is not False:
            self._workspace_id = result
            if self.master_parent is not None:
                self.master_parent.start_timer_check()
            return True
        return False

    def validate_workspace(self, name=None):
        if name is None:
            name = self.workspace_name
        all_workspaces = self.get_workspaces()
        if name in all_workspaces:
            return all_workspaces[name]
        return False

    def set_user_id(self):
        try:
            user_id = self.get_user_id()
        except Exception:
            user_id = None
        if user_id is not None:
            self._user_id = user_id

    def get_api_key(self):
        return self.secure_registry.get_item("api_key", None)

    def save_api_key(self, api_key):
        self.secure_registry.set_item("api_key", api_key)

    def get_workspaces(self):
        action_url = "workspaces/"
        response = requests.get(
            CLOCKIFY_ENDPOINT + action_url, headers=self.headers
        )
        return {
            workspace["name"]: workspace["id"] for workspace in response.json()
        }

    def get_projects(self, workspace_id=None):
        if workspace_id is None:
            workspace_id = self.workspace_id
        action_url = f"workspaces/{workspace_id}/projects"
        response = requests.get(
            CLOCKIFY_ENDPOINT + action_url, headers=self.headers
        )
        if response.status_code != 403:
            result = response.json()
            return {project["name"]: project["id"] for project in result}

    def get_project_by_id(self, project_id, workspace_id=None):
        if workspace_id is None:
            workspace_id = self.workspace_id
        action_url = "workspaces/{}/projects/{}".format(
            workspace_id, project_id
        )
        response = requests.get(
            CLOCKIFY_ENDPOINT + action_url, headers=self.headers
        )

        return response.json()

    def get_tags(self, workspace_id=None):
        if workspace_id is None:
            workspace_id = self.workspace_id
        action_url = "workspaces/{}/tags".format(workspace_id)
        response = requests.get(
            CLOCKIFY_ENDPOINT + action_url, headers=self.headers
        )

        return {tag["name"]: tag["id"] for tag in response.json()}

    def get_tasks(self, project_id, workspace_id=None):
        if workspace_id is None:
            workspace_id = self.workspace_id
        action_url = "workspaces/{}/projects/{}/tasks".format(
            workspace_id, project_id
        )
        response = requests.get(
            CLOCKIFY_ENDPOINT + action_url, headers=self.headers
        )

        return {task["name"]: task["id"] for task in response.json()}

    def get_workspace_id(self, workspace_name):
        all_workspaces = self.get_workspaces()
        if workspace_name not in all_workspaces:
            return None
        return all_workspaces[workspace_name]

    def get_project_id(self, project_name, workspace_id=None):
        if workspace_id is None:
            workspace_id = self.workspace_id
        all_projects = self.get_projects(workspace_id)
        if project_name not in all_projects:
            return None
        return all_projects[project_name]

    def get_tag_id(self, tag_name, workspace_id=None):
        if workspace_id is None:
            workspace_id = self.workspace_id
        all_tasks = self.get_tags(workspace_id)
        if tag_name not in all_tasks:
            return None
        return all_tasks[tag_name]

    def get_task_id(self, task_name, project_id, workspace_id=None):
        if workspace_id is None:
            workspace_id = self.workspace_id
        all_tasks = self.get_tasks(project_id, workspace_id)
        if task_name not in all_tasks:
            return None
        return all_tasks[task_name]

    def get_current_time(self):
        return str(datetime.datetime.utcnow().isoformat()) + "Z"

    def start_time_entry(
        self,
        description,
        project_id,
        task_id=None,
        tag_ids=None,
        workspace_id=None,
        user_id=None,
        billable=True,
    ):
        # Workspace
        if workspace_id is None:
            workspace_id = self.workspace_id
        # User ID
        if user_id is None:
            user_id = self._user_id

        # get running timer to check if we need to start it
        current_timer = self.get_in_progress()

        # Check if is currently run another times and has same values
        # DO not restart the timer, if it is already running for current task
        if current_timer:
            current_timer_hierarchy = current_timer.get("description")
            current_project_id = current_timer.get("projectId")
            current_task_id = current_timer.get("taskId")
            if (
                description == current_timer_hierarchy
                and project_id == current_project_id
                and task_id == current_task_id
            ):
                self.log.info(
                    "Timer for the current project is already running"
                )
                self.bool_timer_run = True
                return self.bool_timer_run
            self.finish_time_entry()

        # Convert billable to strings
        if billable:
            billable = "true"
        else:
            billable = "false"
        # Rest API Action
        action_url = "workspaces/{}/user/{}/time-entries".format(
            workspace_id, user_id
        )
        start = self.get_current_time()
        body = {
            "start": start,
            "billable": billable,
            "description": description,
            "projectId": project_id,
            "taskId": task_id,
            "tagIds": tag_ids,
        }
        response = requests.post(
            CLOCKIFY_ENDPOINT + action_url, headers=self.headers, json=body
        )
        if response.status_code < 300:
            return True
        return False

    def _get_current_timer_values(self, response):
        if response is None:
            return
        try:
            output = response.json()
        except json.decoder.JSONDecodeError:
            return None
        if output and isinstance(output, list):
            return output[0]
        return None

    def get_in_progress(self, user_id=None, workspace_id=None):
        if workspace_id is None:
            workspace_id = self.workspace_id
        if user_id is None:
            user_id = self.user_id

        action_url = (
            f"workspaces/{workspace_id}/user/"
            f"{user_id}/time-entries?in-progress=1"
        )
        response = requests.get(
            CLOCKIFY_ENDPOINT + action_url, headers=self.headers
        )
        return self._get_current_timer_values(response)

    def finish_time_entry(self, workspace_id=None, user_id=None):
        if workspace_id is None:
            workspace_id = self.workspace_id
        if user_id is None:
            user_id = self.user_id
        current_timer = self.get_in_progress()
        if not current_timer:
            return
        action_url = "workspaces/{}/user/{}/time-entries".format(
            workspace_id, user_id
        )
        body = {"end": self.get_current_time()}
        response = requests.patch(
            CLOCKIFY_ENDPOINT + action_url, headers=self.headers, json=body
        )
        return response.json()

    def get_time_entries(self, workspace_id=None, user_id=None, quantity=10):
        if workspace_id is None:
            workspace_id = self.workspace_id
        if user_id is None:
            user_id = self.user_id
        action_url = "workspaces/{}/user/{}/time-entries".format(
            workspace_id, user_id
        )
        response = requests.get(
            CLOCKIFY_ENDPOINT + action_url, headers=self.headers
        )
        return response.json()[:quantity]

    def remove_time_entry(self, tid, workspace_id=None, user_id=None):
        if workspace_id is None:
            workspace_id = self.workspace_id
        action_url = "workspaces/{}/user/{}/time-entries/{}".format(
            workspace_id, user_id, tid
        )
        response = requests.delete(
            CLOCKIFY_ENDPOINT + action_url, headers=self.headers
        )
        return response.json()

    def add_project(self, name, workspace_id=None):
        if workspace_id is None:
            workspace_id = self.workspace_id
        action_url = "workspaces/{}/projects".format(workspace_id)
        body = {
            "name": name,
            "clientId": "",
            "isPublic": "false",
            "estimate": {"estimate": 0, "type": "AUTO"},
            "color": "#f44336",
            "billable": "true",
        }
        response = requests.post(
            CLOCKIFY_ENDPOINT + action_url, headers=self.headers, json=body
        )
        return response.json()

    def add_workspace(self, name):
        action_url = "workspaces/"
        body = {"name": name}
        response = requests.post(
            CLOCKIFY_ENDPOINT + action_url, headers=self.headers, json=body
        )
        return response.json()

    def add_task(self, name, project_id, workspace_id=None):
        if workspace_id is None:
            workspace_id = self.workspace_id
        action_url = "workspaces/{}/projects/{}/tasks".format(
            workspace_id, project_id
        )
        body = {"name": name, "projectId": project_id}
        response = requests.post(
            CLOCKIFY_ENDPOINT + action_url, headers=self.headers, json=body
        )
        return response.json()

    def add_tag(self, name, workspace_id=None):
        if workspace_id is None:
            workspace_id = self.workspace_id
        action_url = "workspaces/{}/tags".format(workspace_id)
        body = {"name": name}
        response = requests.post(
            CLOCKIFY_ENDPOINT + action_url, headers=self.headers, json=body
        )
        return response.json()

    def delete_project(self, project_id, workspace_id=None):
        if workspace_id is None:
            workspace_id = self.workspace_id
        action_url = "/workspaces/{}/projects/{}".format(
            workspace_id, project_id
        )
        response = requests.delete(
            CLOCKIFY_ENDPOINT + action_url,
            headers=self.headers,
        )
        return response.json()

    def convert_input(
        self, entity_id, entity_name, mode="Workspace", project_id=None
    ):
        if entity_id is None:
            error = False
            error_msg = 'Missing information "{}"'
            if mode.lower() == "workspace":
                if entity_id is None and entity_name is None:
                    if self.workspace_id is not None:
                        entity_id = self.workspace_id
                    else:
                        error = True
                else:
                    entity_id = self.get_workspace_id(entity_name)
            else:
                if entity_id is None and entity_name is None:
                    error = True
                elif mode.lower() == "project":
                    entity_id = self.get_project_id(entity_name)
                elif mode.lower() == "task":
                    entity_id = self.get_task_id(
                        task_name=entity_name, project_id=project_id
                    )
                else:
                    raise TypeError("Unknown type")
            # Raise error
            if error:
                raise ValueError(error_msg.format(mode))

        return entity_id