from typing import Dict, List

import pandas as pd

from config import CONFIG

from .entities import Employee, WorkingTime


def get_data(data: pd.DataFrame) -> pd.DataFrame:
    data.columns = data.iloc[1, :]
    data = data.iloc[2:, ]
    data = data[['Mã N.Viên', "Tên nhân viên", "Ngày", "Vào", "Ra"]]
    data = data.groupby(by=['Mã N.Viên', 'Ngày']).aggregate({
        "Tên nhân viên": max,
        "Vào": sum,
        "Ra": sum
    }).reset_index()
    return data


def parse(data: pd.DataFrame) -> List[Employee]:
    employees: List[Employee] = []
    for (id, name), v in data.groupby(by=['Mã N.Viên', 'Tên nhân viên']):
        employee = Employee(id=id, name=name, workdate={})
        for val in v.values:
            working_time = WorkingTime(date=val[1],
                                       checkin=val[3],
                                       checkout=val[4],
                                       config=CONFIG)
            date, work_time = working_time.to_tuple()
            employee.workdate[date] = work_time
        employees.append(employee)
    return employees


def make_table(employees: List[Employee]) -> pd.DataFrame:
    id_list: List[str] = []
    name_list: List[str] = []
    work_date: List[Dict] = []
    for employee in employees:
        id_list.append(employee.id)
        name_list.append(employee.name)
        work_date.append(employee.workdate)
    work_df: pd.DataFrame = pd.DataFrame(work_date, dtype=int)
    info_df: pd.DataFrame = pd.DataFrame({
        'Mã nhân viên': id_list,
        'Tên nhân viên': name_list
    })
    working_table: pd.DataFrame = pd.concat(objs=[info_df, work_df], axis=1)
    return working_table