app.py

import streamlit as st
import calendar

# Define images for each month (seasonal backgrounds) - you can change this to URLs of your choice
month_images = {
    1: "https://via.placeholder.com/150/0000FF/808080?Text=January",  # Placeholder image for January
    2: "https://via.placeholder.com/150/FF0000/FFFFFF?Text=February",  # Placeholder image for February
    3: "https://via.placeholder.com/150/00FF00/FFFFFF?Text=March",  # Placeholder image for March
    4: "https://via.placeholder.com/150/FFFF00/000000?Text=April",  # Placeholder image for April
    5: "https://via.placeholder.com/150/FF00FF/FFFFFF?Text=May",  # Placeholder image for May
    6: "https://via.placeholder.com/150/00FFFF/000000?Text=June",  # Placeholder image for June
    7: "https://via.placeholder.com/150/FF7F00/FFFFFF?Text=July",  # Placeholder image for July
    8: "https://via.placeholder.com/150/7FFF00/000000?Text=August",  # Placeholder image for August
    9: "https://via.placeholder.com/150/8A2BE2/FFFFFF?Text=September",  # Placeholder image for September
    10: "https://via.placeholder.com/150/FF1493/FFFFFF?Text=October",  # Placeholder image for October
    11: "https://via.placeholder.com/150/DC143C/FFFFFF?Text=November",  # Placeholder image for November
    12: "https://via.placeholder.com/150/800080/FFFFFF?Text=December",  # Placeholder image for December
}

# Function to display the full calendar for a specific month and year
def display_full_calendar(year, month):
    # Display the month and year
    st.write(f"### {calendar.month_name[month]} {year}")
    
    # Get the calendar for the month (returns a list of weeks)
    month_calendar = calendar.monthcalendar(year, month)
    
    # Days of the week headers
    days_of_week = ["Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"]
    
    # Set the background image for the month
    bg_image_url = month_images.get(month, "")
    st.markdown(
        f"""
        <style>
            .calendar {{
                background-image: url('{bg_image_url}');
                background-size: cover;
                background-position: center;
                padding: 20px;
                border-radius: 10px;
            }}
            table {{
                border-collapse: collapse;
                width: 90%;
                margin: 10px auto;
                background-color: rgba(255, 255, 255, 0.8);
            }}
            th, td {{
                text-align: center;
                padding: 8px;
                border: 1px solid #ccc;
                font-size: 12px;
                height: 30px;
            }}
            th {{
                background-color: #f2f2f2;
                color: #333;
            }}
            td {{
                background-color: #ffffff;
                color: #333;
            }}
            td.weekend {{
                background-color: #ffeb3b;  /* Yellow for weekends */
            }}
            td.empty {{
                background-color: rgba(255, 255, 255, 0.3); /* Light for empty cells */
            }}
            td.highlight {{
                background-color: #76d7c4; /* Light teal for highlight */
            }}
        </style>
        """, unsafe_allow_html=True)
    
    # Create the table
    table_html = "<div class='calendar'><table>"
    
    # Add the days of the week as the header row
    table_html += "<tr>"
    for day in days_of_week:
        table_html += f"<th>{day}</th>"
    table_html += "</tr>"
    
    # Add the weeks to the table
    for week in month_calendar:
        table_html += "<tr>"
        for i, day in enumerate(week):
            if day == 0:
                table_html += "<td class='empty'></td>"  # Empty cell for days not in the month
            else:
                # Color weekends (Saturday and Sunday)
                if i == 5 or i == 6:
                    table_html += f"<td class='weekend'>{day}</td>"
                else:
                    table_html += f"<td>{day}</td>"
        table_html += "</tr>"
    
    table_html += "</table></div>"
    
    # Display the formatted calendar as HTML
    st.markdown(table_html, unsafe_allow_html=True)

# Streamlit app title
st.title('2025 Calendar Viewer')

# Get user input for the month (default to 2025)
year = 2025
month = st.slider('Select month:', 1, 12, 1)

# Display the calendar for the selected month of the year 2025
display_full_calendar(year, month)

# Optionally, display all months in 2025
if st.checkbox('Show all months for 2025'):
    for month in range(1, 13):
        display_full_calendar(year, month)