"""
"""

# --------------------------------------- #
#               imports                   #
# --------------------------------------- #
import streamlit as st

import plotly.express as px

from BBUtils.logging_handle import logger

from request_load_estimator import RequestLoadEstimator

# --------------------------------------- #
#              definitions                #
# --------------------------------------- #
MODULE_LOGGER_HEAD = "start_app -> "

APP_VERSION = "99.99.99"
APP_NAME = "Service Request Complexity Estimator"

st.set_page_config(page_title="Service Request Complexity Estimator", page_icon="📊", layout="wide")

FOOTER = f"""
        <style>
        .footer {{
                position: fixed;
                left: 0;
                bottom: 0;
                width: 100%;
                background-color: white;
                color: lightgrey;
                text-align: center;
                }}
        </style>
        <div class="footer">
            {APP_NAME} - v{APP_VERSION} - by <a href="https://www.bit-buddy.at" target="_blank">BitBuddySolutions</a>
        </div>
        """
# --------------------------------------- #
#              global vars                #
# --------------------------------------- #


# --------------------------------------- #
#              functions                  #
# --------------------------------------- #
@st.cache_resource
def setup_logging():
    logger.set_logging_level("debug")
    logger.set_cmd_line_logging_output()
    pass


@st.cache_resource
def get_estimator():
    return RequestLoadEstimator()


# --------------------------------------- #
#               classes                   #
# --------------------------------------- #


# --------------------------------------- #
#                main                     #
# --------------------------------------- #
if __name__ == "__main__":
    setup_logging()
    st.header("Service Request Complexity Estimator")

    st.write("This app is designed to help estimate the complexity of a service request system to avoid problems "
             "within your IT department.")

    form = st.form(key='complex_form')
    col1, col2, col3, col4 = form.columns(4)
    form.divider()
    dis_col1, dis_col2 = form.columns([5, 1])
    weeks_cycle = col1.number_input("Weeks cycle", min_value=1, max_value=20, value=3)
    add_new_employee = col2.number_input("Add new employees", min_value=0, max_value=50, value=0)
    add_new_applications = col3.number_input("Change number of applications", min_value=-10, max_value=10, value=0)
    add_new_service_desk_employees = col4.number_input("Change number of service desk employees", min_value=-10,
                                                       max_value=10,
                                                       value=0)

    submit_button = col1.form_submit_button(label='Process')

    request_estimator = get_estimator()

    if submit_button:
        request_estimator.set_weeks_cycle(weeks_cycle)
        request_estimator.add_new_applications(add_new_applications)
        request_estimator.add_service_desk_employees(add_new_service_desk_employees)
        request_estimator.add_new_employees(add_new_employee)
        request_estimator.process_weeks()

    if not request_estimator.data_set.empty:
        fig_requests = px.area(request_estimator.data_set, x="week", y=["nr_of_processed_service_requests"], line_shape="spline")

        dis_col1.plotly_chart(fig_requests)
        detail_expander = dis_col1.expander("Details")
        detail_expander.dataframe(request_estimator.data_set)
        dis_col2.metric("Company Employees", request_estimator.nr_of_employees, delta=add_new_employee)
        dis_col2.metric("Service Desk Employees", request_estimator.service_desk_employees, delta=add_new_service_desk_employees)
        dis_col2.metric("Nr of Applications", request_estimator.nr_of_applications, delta=add_new_applications)
        dis_col2.metric("Nr of open Service Requests", request_estimator.nr_of_open_service_requests)
        dis_col2.metric("Nr of processed Service Requests", request_estimator.processed_service_requests)
        if request_estimator.personal_available_time > 0:
            st.info(f"Your team has available time of {request_estimator.personal_available_time:.0f} hours.")
        else:
            st.error("Your team has no available time. You are in the cycle of death! Hire new Guys!!!!")
    else:
        form.write(request_estimator.data_set)

    st.divider()

    reset_button = st.button("Reset")

    if reset_button:
        request_estimator.initialize_data()
        st.rerun()

    st.markdown(FOOTER, unsafe_allow_html=True)