import datetime
import os
import subprocess
import time
from pprint import pprint

from pymongo import MongoClient
from zoneinfo import ZoneInfo

client = MongoClient()


def now():
    return datetime.datetime.now(ZoneInfo("America/Argentina/Buenos_Aires"))


db = client.deskmeter
switches = db.switch
dailies = db.daily


desktops = ("Plan", "Think", "Work", "Other", "Away", "Work", "Work")


task_file = "/home/mariano/LETRAS/org/task/main"

# desktops = ("Admin",
#             "Learn",
#             "Tasks",
#             "Other",
#             "Text",
#             "Video",
#             "Away")


unlabeled = "Away"


def extract(line):
    if line.rstrip().endswith("*"):
        pipe_index = line.find("|")
        if pipe_index != -1 and len(line) > pipe_index + 8:
            value = line[pipe_index + 1 : pipe_index + 9]
            return value
    return None


def read_and_extract(file_path):
    with open(file_path, "r") as file:
        for line in file:
            value = extract(line)
            if value:
                return value
    return None


def active_workspace():
    workspaces = (
        subprocess.check_output(["wmctrl", "-d"])
        .decode("utf-8")
        .strip("\n")
        .split("\n")
    )

    for workspace in workspaces:
        if workspace[3] == "*":
            return int(workspace[0])


def desktop(workspace_index):
    try:
        return desktops[workspace_index]
    except IndexError:
        return unlabeled


current_workspace = active_workspace()
current_task = read_and_extract(task_file)
last_switch_time = now()

switch = {
    "workspace": desktop(current_workspace),
    "date": now(),
    "delta": 0,
    "task": current_task,
}

switches.insert_one(switch)

while True:
    current_task = read_and_extract(task_file)
    current_workspace = active_workspace()

    last_doc = switches.find_one(sort=[("_id", -1)])
    if (
        last_doc["workspace"] == desktop(current_workspace)
        and last_doc["task"] == current_task
    ):
        delta = round((now() - last_switch_time).total_seconds())
        switches.update_one(
            {"_id": last_doc["_id"]}, {"$set": {"delta": delta, "task": current_task}}
        )
    else:
        current_workspace = active_workspace()
        switch = {
            "workspace": desktop(current_workspace),
            "date": now(),
            "delta": 0,
            "task": current_task,
        }
        switches.insert_one(switch)
        last_switch_time = now()

    time.sleep(2)