import streamlit as st
import pandas as pd
import numpy as np

df = pd.read_csv('last_results_5.csv')

image1 = 'images/rs_pmpa.PNG'

title_html = """
    <style>
        @font-face {
            font-family: 'Quicksand';
            src: url('font/Quicksand-VariableFont_wght.ttf') format('truetype');
        }
        body {
            font-family: 'Quicksand', sans-serif;
        }
        .custom-title {
            color: darkgreen;
            font-size: 30px;
            font-weight: bold;
        }
    </style>
    <span class='custom-title'>PREVISÕES DE RECEITAS</span>
"""

# Set a fixed width for the sidebar
st.markdown(
    """
    <style>
        .sidebar .sidebar-content {
            width: 300px;
        }
    </style>
    """,
    unsafe_allow_html=True
)

with st.sidebar:
    st.image(image1, use_column_width=True)
    st.markdown(title_html, unsafe_allow_html=True)
    selected_instituicao = st.selectbox('Seleciona Instituição', df['Instituição'].unique())
    selected_conta = st.selectbox('Seleciona Conta', df['Conta'].unique())

# Filter the DataFrame based on selected values
filtered_df = df[(df['Instituição'] == selected_instituicao) & (df['Conta'] == selected_conta)]

# Set custom width for columns
col1_width = 400
col2_width = 400
col1, col2 = st.columns([col1_width, col2_width])

# Display the Forecasts values in the first column
col1.header('Valores previstos')

if not filtered_df.empty:
    data_string = filtered_df['Forecasts'].iloc[0]

    # Split the string into lines
    lines = data_string.split('\n')

    # Iterate through the lines and extract the values
    for line in lines[:-2]:
        period, value = line.split()
        num_float = float(value)
        monetary_value = f'R$ {num_float:,.2f}'  # Adding commas for thousands separator
        col1.write(f"Período {period}: {monetary_value}")
else:
    col1.warning('No data available for the selected filters.')

# Display the Forecasts values as line plots in the second column
col2.header('Gráfico com previsões')

if not filtered_df.empty:
    data_string = filtered_df['Forecasts'].iloc[0]

    # Create a list to store data for each period
    data = []

    # Split the string into lines
    lines = data_string.split('\n')

    # Iterate through the lines and extract the values
    for line in lines[:-2]:
        period, value = line.split()
        num_float = float(value)
        monetary_value = f'R$ {num_float:,.2f}'  # Adding commas for thousands separator
        data.append({'Period': int(period), 'Monetary Value': num_float})

    # Create a DataFrame from the list
    chart_data = pd.DataFrame(data)

    # Sort the DataFrame by 'Period'
    chart_data = chart_data.sort_values(by='Period')

    # Display line chart with "period" on X-axis and "Monetary Value" on Y-axis
    col2.line_chart(chart_data.set_index('Period'))

else:
    col2.warning('No data available for the selected filters.')

# Display the table in the third column
col3 = st.columns(1)  # You can use st.columns(1) to create a single column layout

if not filtered_df.empty:
    # Filter the DataFrame for the selected institution
    tab_df = df[df['Instituição'] == selected_instituicao]

    # Create an empty list to store data
    data = []

    # Iterate through each unique 'Conta' in the filtered DataFrame
    for conta in tab_df['Conta'].unique():
        # Filter the DataFrame for the current 'Conta'
        conta_df = tab_df[tab_df['Conta'] == conta]

        # Initialize a variable to store the sum for the current 'Conta'
        conta_sum = 0.0

        # Iterate over each row in the filtered DataFrame for the current 'Conta'
        for _, row in conta_df.iterrows():
            # Split the 'Forecasts' column's multiline string into lines
            lines = row['Forecasts'].split('\n')
            # For each line, extract the numeric value and add it to the conta_sum
            for line in lines:
                if line.strip():  # Ensure the line is not empty
                    _, value = line.split()
                    conta_sum += float(value)

        # Format the sum as a monetary value
        monetary_value = f'R$ {conta_sum:,.2f}'

        # Append the sum for the current 'Conta' to the data list
        data.append({'Conta': conta, 'Valor Monetário': monetary_value})

    # Convert the list to a DataFrame
    table_data = pd.DataFrame(data)

    # Calculate the grand total sum of all 'Conta' values
    total_sum = sum(float(row['Valor Monetário'].replace('R$ ', '').replace(',', '')) for row in data)

    # Create a DataFrame for the "Total" row
    total_row = pd.DataFrame({'Conta': ['TOTAL'], 'Valor Monetário': [f'R$ {total_sum:,.2f}']})

    # Concatenate the "Total" row with the existing table data
    table_data = pd.concat([table_data, total_row], ignore_index=True)

    # Display the table
    st.table(table_data)

else:
    col3.warning('No data available for the selected filters.')