import os
import streamlit as st
import requests
import msal
from datetime import datetime, timedelta
import calendar

# Configuration
APPLICATION_ID_KEY = os.getenv('APPLICATION_ID_KEY')
CLIENT_SECRET_KEY = os.getenv('CLIENT_SECRET_KEY')
AUTHORITY_URL = 'https://login.microsoftonline.com/common'
REDIRECT_URI = 'https://huggingface.co/spaces/awacke1/MSGraphAPI'

# 1. Configuration
Site_Name = '🏠Event 📅Schedule and 📝Agenda 🔍Dashboard'
title="🏠Event 📅Schedule and 📝Agenda 🔍Dashboard"
helpURL='https://huggingface.co/awacke1'
bugURL='https://huggingface.co/spaces/awacke1'
icons='📅'
#icons = Image.open("icons.ico")
st.set_page_config(
    page_title=title,
    page_icon=icons,
    layout="wide",
    #initial_sidebar_state="expanded",
    initial_sidebar_state="auto",
    menu_items={
        'Get Help': helpURL,
        'Report a bug': bugURL,
        'About': title
    }
)

# Sticky navigation menu
def sticky_menu():
    st.markdown(
        """
        <style>
        .menu-bar {
            position: -webkit-sticky;
            position: sticky;
            top: 0;
            background-color: white;
            z-index: 999;
            padding: 10px;
            border-bottom: 1px solid #f0f0f0;
        }
        .menu-bar a {
            margin: 0 10px;
            padding: 5px;
            text-decoration: none;
            color: #000;
        }
        .menu-bar a:hover {
            background-color: #f0f0f0;
        }
        </style>
        <div class="menu-bar">
            <a href="#dashboard">1️⃣ Dashboard</a>
            <a href="#landing-page">🏠 Landing Page</a>
            <a href="#upcoming-events">📅 Upcoming Events</a>
            <a href="#schedule">📆 Schedule</a>
            <a href="#agenda">📝 Agenda</a>
            <a href="#event-details">🔍 Event Details</a>
            <a href="#add-event">➕ Add Event</a>
            <a href="#filter-by">🔎 Filter By</a>
        </div>
        """,
        unsafe_allow_html=True
    )
    
# Define product to scope mapping, links, AI capabilities, and Graph solutions
PRODUCT_SCOPES = {
    "📧 Outlook": {
        'scopes': ['Mail.Read', 'Mail.Send'],
        'link': 'https://outlook.office.com/mail/',
        'ai_capabilities': "🤖✍️ Smart email & scheduling",
        'graph_solution': "📨📅 Mail, calendar & contacts API"
    },
    "📅 Calendar": {
        'scopes': ['Calendars.ReadWrite'],
        'link': 'https://outlook.office.com/calendar/',
        'ai_capabilities': "🤖📅 Smart scheduling & reminders",
        'graph_solution': "📅 Calendar management API"
    },
    "📋 Tasks": {
        'scopes': ['Tasks.ReadWrite'],
        'link': 'https://to-do.office.com/tasks/',
        'ai_capabilities': "🤖📝 Task prioritization",
        'graph_solution': "✅ Task & plan management"
    },
    "🗂️ OneDrive": {
        'scopes': ['Files.ReadWrite.All'],
        'link': 'https://onedrive.live.com/',
        'ai_capabilities': "🤖🔍 Smart file organization",
        'graph_solution': "📁 File & folder API"
    },
    "🗃️ SharePoint": {
        'scopes': ['Sites.Read.All', 'Sites.ReadWrite.All'],
        'link': 'https://www.microsoft.com/microsoft-365/sharepoint/collaboration',
        'ai_capabilities': "🤖🔍 Smart search & tagging",
        'graph_solution': "🌐 Sites & lists API"
    },
    "📅 Teams": {
        'scopes': ['Team.ReadBasic.All', 'Channel.ReadBasic.All'],
        'link': 'https://teams.microsoft.com/',
        'ai_capabilities': "🤖💬 Meeting insights & summaries",
        'graph_solution': "👥 Teams & chats API"
    },
    "📚 Microsoft Bookings": {
        'scopes': ['Bookings.Read.All', 'Bookings.ReadWrite.All'],
        'link': 'https://outlook.office.com/bookings/',
        'ai_capabilities': "🤖📅 Smart scheduling",
        'graph_solution': "📆 Booking services API"
    },
    "🗣️ Translator": {
        'scopes': ['Translation.Read'],
        'link': 'https://www.microsoft.com/translator/',
        'ai_capabilities': "🤖🌐 Real-time translation",
        'graph_solution': "🗨️ Translation services API"
    },
    "📓 Loop": {
        'scopes': ['Files.ReadWrite.All'],
        'link': 'https://loop.microsoft.com/',
        'ai_capabilities': "🤖🔄 Real-time collaboration AI",
        'graph_solution': "🔁 Workspace API"
    },
    "🔗 Azure OpenAI Service": {
        'scopes': ['AzureAIServices.ReadWrite.All'],
        'link': 'https://azure.microsoft.com/products/cognitive-services/openai-service/',
        'ai_capabilities': "🤖🧠 Custom AI model access",
        'graph_solution': "🔌 AI model integration API"
    },
    "🧠 Copilot": {
        'scopes': ['Cognitive.Read'],
        'link': 'https://www.microsoft.com/microsoft-365/copilot',
        'ai_capabilities': "🤖🚀 Cross-app AI assistance",
        'graph_solution': "🧠 AI integration API"
    },
    "📒 OneNote": {
        'scopes': ['Notes.Read', 'Notes.Create'],
        'link': 'https://www.onenote.com/notebooks',
        'ai_capabilities': "🤖📝 Content suggestion & OCR",
        'graph_solution': "📔 Notebook & page API"
    },
    "📊 Excel": {
        'scopes': ['Files.ReadWrite.All'],
        'link': 'https://www.office.com/launch/excel',
        'ai_capabilities': "🤖📈 Data analysis & insights",
        'graph_solution': "📊 Workbook & chart API"
    },
    "📄 Word": {
        'scopes': ['Files.ReadWrite.All'],
        'link': 'https://www.office.com/launch/word',
        'ai_capabilities': "🤖✍️ Smart drafting & editing",
        'graph_solution': "📝 Document content API"
    },
    "💬 Viva": {
        'scopes': ['Analytics.Read'],
        'link': 'https://www.microsoft.com/microsoft-viva',
        'ai_capabilities': "🤖📊 Personalized insights",
        'graph_solution': "📈 Analytics & learning API"
    },
    "🚀 Power Platform": {
        'scopes': ['Flow.Read.All'],
        'link': 'https://powerplatform.microsoft.com/',
        'ai_capabilities': "🤖⚙️ AI-powered automation",
        'graph_solution': "🔧 Workflow & app API"
    },
    "💡 PowerPoint": {
        'scopes': ['Files.ReadWrite.All'],
        'link': 'https://www.office.com/launch/powerpoint',
        'ai_capabilities': "🤖🎨 Design & coaching AI",
        'graph_solution': "📊 Presentation API"
    },
}

BASE_SCOPES = ['User.Read']

def get_msal_app():
    return msal.ConfidentialClientApplication(
        client_id=APPLICATION_ID_KEY,
        client_credential=CLIENT_SECRET_KEY,
        authority=AUTHORITY_URL
    )

def get_access_token(code):
    client_instance = get_msal_app()
    try:
        result = client_instance.acquire_token_by_authorization_code(
            code=code,
            scopes=st.session_state.get('request_scopes', BASE_SCOPES),
            redirect_uri=REDIRECT_URI
        )
        if 'access_token' in result:
            return result['access_token']
        else:
            raise Exception(f"Error acquiring token: {result.get('error_description')}")
    except Exception as e:
        st.error(f"Exception in get_access_token: {str(e)}")
        raise

def make_api_call(access_token, endpoint, method='GET', data=None):
    headers = {'Authorization': f'Bearer {access_token}', 'Content-Type': 'application/json'}
    url = f'https://graph.microsoft.com/v1.0/{endpoint}'
    
    if method == 'GET':
        response = requests.get(url, headers=headers)
    elif method == 'POST':
        response = requests.post(url, headers=headers, json=data)
    else:
        raise ValueError(f"Unsupported method: {method}")
    
    if response.status_code in [200, 201]:
        return response.json()
    else:
        st.error(f"API call failed: {response.status_code} - {response.text}")
        return None

def handle_outlook_integration(access_token):
    st.subheader("📧 Outlook Integration")
    st.markdown(f"[Open Outlook]({PRODUCT_SCOPES['📧 Outlook']['link']})")
    
    # Read emails
    emails = make_api_call(access_token, 'me/messages?$top=10&$orderby=receivedDateTime desc')
    if emails and 'value' in emails:
        for email in emails['value']:
            with st.expander(f"From: {email['from']['emailAddress']['name']} - Subject: {email['subject']}"):
                st.write(f"Received: {email['receivedDateTime']}")
                st.write(f"Body: {email['bodyPreview']}")
    else:
        st.write("No emails found or unable to fetch emails.")
    
    # Create (Send) email
    st.write("Send a new email:")
    recipient = st.text_input("Recipient Email")
    subject = st.text_input("Subject")
    body = st.text_area("Body")
    if st.button("Send Email"):
        new_email = {
            "message": {
                "subject": subject,
                "body": {
                    "contentType": "Text",
                    "content": body
                },
                "toRecipients": [
                    {
                        "emailAddress": {
                            "address": recipient
                        }
                    }
                ]
            }
        }
        result = make_api_call(access_token, 'me/sendMail', method='POST', data=new_email)
        if result is None:  # sendMail doesn't return content on success
            st.success("Email sent successfully!")
        else:
            st.error("Failed to send email.")
    
    # Update email (mark as read)
    st.write("Mark an email as read:")
    email_id = st.text_input("Enter Email ID")
    if st.button("Mark as Read"):
        update_data = {
            "isRead": True
        }
        result = make_api_call(access_token, f'me/messages/{email_id}', method='PATCH', data=update_data)
        if result is None:  # PATCH doesn't return content on success
            st.success("Email marked as read!")
        else:
            st.error("Failed to mark email as read.")
    
    # Delete email
    st.write("Delete an email:")
    email_id = st.text_input("Enter Email ID to delete")
    if st.button("Delete Email"):
        result = make_api_call(access_token, f'me/messages/{email_id}', method='DELETE')
        if result is None:  # DELETE doesn't return content on success
            st.success("Email deleted successfully!")
        else:
            st.error("Failed to delete email.")


def handle_calendar_integration(access_token):
    st.subheader("📅 Calendar Integration")
    st.markdown(f"[Open Calendar]({PRODUCT_SCOPES['📅 Calendar']['link']})")
    
    # Get the current month's start and end dates
    now = datetime.now()
    start_of_month = now.replace(day=1, hour=0, minute=0, second=0, microsecond=0)
    end_of_month = start_of_month.replace(month=start_of_month.month % 12 + 1, day=1) - timedelta(days=1)
    
    events = make_api_call(access_token, f"me/calendarView?startDateTime={start_of_month.isoformat()}&endDateTime={end_of_month.isoformat()}&$orderby=start/dateTime")
    
    if events and 'value' in events:
        # Create a calendar view
        cal = calendar.monthcalendar(now.year, now.month)
        st.write(f"Calendar for {now.strftime('%B %Y')}")
        
        # Create a placeholder for each day
        day_placeholders = {}
        for week in cal:
            cols = st.columns(7)
            for i, day in enumerate(week):
                if day != 0:
                    day_placeholders[day] = cols[i].empty()
                    day_placeholders[day].write(f"**{day}**")
        
        # Populate the calendar with events
        for event in events['value']:
            start_date = datetime.fromisoformat(event['start']['dateTime'][:-1])  # Remove 'Z' from the end
            day = start_date.day
            if day in day_placeholders:
                day_placeholders[day].write(f"{start_date.strftime('%H:%M')} - {event['subject']}")
    else:
        st.write("No events found or unable to fetch events.")
        
    # Anchor for Add Event
    st.markdown("<a id='add-event'></a>", unsafe_allow_html=True)
    
    # Create event ➕ Add Event
    st.write("➕ Add New Event:")
    event_subject = st.text_input("Event Subject")
    event_date = st.date_input("Event Date")
    event_time = st.time_input("Event Time")
    if st.button("➕ Add Event"):
        event_start = datetime.combine(event_date, event_time)
        event_end = event_start + timedelta(hours=1)
        new_event = {
            "subject": event_subject,
            "start": {
                "dateTime": event_start.isoformat(),
                "timeZone": "UTC"
            },
            "end": {
                "dateTime": event_end.isoformat(),
                "timeZone": "UTC"
            }
        }
        result = make_api_call(access_token, 'me/events', method='POST', data=new_event)
        if result:
            st.success("Event added successfully!")
        else:
            st.error("Failed to add event.")
    
    # Update event
    st.write("Update an event:")
    event_id = st.text_input("Enter Event ID")
    new_subject = st.text_input("New Subject")
    if st.button("Update Event"):
        update_data = {
            "subject": new_subject
        }
        result = make_api_call(access_token, f'me/events/{event_id}', method='PATCH', data=update_data)
        if result is None:  # PATCH doesn't return content on success
            st.success("Event updated successfully!")
        else:
            st.error("Failed to update event.")
    
    # Delete event
    st.write("Delete an event:")
    event_id_to_delete = st.text_input("Enter Event ID to delete")
    if st.button("Delete Event"):
        result = make_api_call(access_token, f'me/events/{event_id_to_delete}', method='DELETE')
        if result is None:  # DELETE doesn't return content on success
            st.success("Event deleted successfully!")
        else:
            st.error("Failed to delete event.")

def handle_tasks_integration(access_token):
    st.subheader("📋 Tasks Integration")
    st.markdown(f"[Open Tasks]({PRODUCT_SCOPES['📋 Tasks']['link']})")
    
    # Read tasks
    tasks = make_api_call(access_token, 'me/todo/lists')
    if tasks and 'value' in tasks:
        default_list = next((list for list in tasks['value'] if list['wellknownListName'] == 'defaultList'), None)
        if default_list:
            tasks = make_api_call(access_token, f"me/todo/lists/{default_list['id']}/tasks")
            if tasks and 'value' in tasks:
                for task in tasks['value']:
                    st.write(f"Task: {task['title']}")
                    st.write(f"Status: {'Completed' if task['status'] == 'completed' else 'Not Completed'}")
                    st.write("---")
            else:
                st.write("No tasks found or unable to fetch tasks.")
        else:
            st.write("Default task list not found.")
    else:
        st.write("Unable to fetch task lists.")
    
    # Create task
    st.write("Add a new task:")
    task_title = st.text_input("Task Title")
    if st.button("Add Task"):
        new_task = {
            "title": task_title
        }
        result = make_api_call(access_token, f"me/todo/lists/{default_list['id']}/tasks", method='POST', data=new_task)
        if result:
            st.success("Task added successfully!")
        else:
            st.error("Failed to add task.")
    
    # Update task
    st.write("Update a task:")
    task_id = st.text_input("Enter Task ID")
    new_title = st.text_input("New Title")
    if st.button("Update Task"):
        update_data = {
            "title": new_title
        }
        result = make_api_call(access_token, f"me/todo/lists/{default_list['id']}/tasks/{task_id}", method='PATCH', data=update_data)
        if result is None:  # PATCH doesn't return content on success
            st.success("Task updated successfully!")
        else:
            st.error("Failed to update task.")
    
    # Delete task
    st.write("Delete a task:")
    task_id_to_delete = st.text_input("Enter Task ID to delete")
    if st.button("Delete Task"):
        result = make_api_call(access_token, f"me/todo/lists/{default_list['id']}/tasks/{task_id_to_delete}", method='DELETE')
        if result is None:  # DELETE doesn't return content on success
            st.success("Task deleted successfully!")
        else:
            st.error("Failed to delete task.")

def handle_onedrive_integration(access_token):
    st.subheader("🗂️ OneDrive Integration")
    st.markdown(f"[Open OneDrive]({PRODUCT_SCOPES['🗂️ OneDrive']['link']})")
    
    # Read files
    files = make_api_call(access_token, 'me/drive/root/children')
    if files and 'value' in files:
        for file in files['value']:
            st.write(f"Name: {file['name']}")
            st.write(f"Type: {'Folder' if 'folder' in file else 'File'}")
            st.write(f"Last Modified: {file['lastModifiedDateTime']}")
            st.write("---")
    else:
        st.write("No files found or unable to fetch files.")
    
    # Create file
    st.write("Create a new text file:")
    file_name = st.text_input("File Name (include .txt extension)")
    file_content = st.text_area("File Content")
    if st.button("Create File"):
        create_file_url = f"https://graph.microsoft.com/v1.0/me/drive/root:/{file_name}:/content"
        headers = {
            'Authorization': f'Bearer {access_token}',
            'Content-Type': 'text/plain'
        }
        response = requests.put(create_file_url, headers=headers, data=file_content.encode('utf-8'))
        if response.status_code == 201:
            st.success("File created successfully!")
        else:
            st.error("Failed to create file.")
    
    # Update file
    st.write("Update a file:")
    file_path = st.text_input("File Path (e.g., /Documents/file.txt)")
    new_content = st.text_area("New Content")
    if st.button("Update File"):
        update_file_url = f"https://graph.microsoft.com/v1.0/me/drive/root:{file_path}:/content"
        headers = {
            'Authorization': f'Bearer {access_token}',
            'Content-Type': 'text/plain'
        }
        response = requests.put(update_file_url, headers=headers, data=new_content.encode('utf-8'))
        if response.status_code == 200:
            st.success("File updated successfully!")
        else:
            st.error("Failed to update file.")
    
    # Delete file
    st.write("Delete a file:")
    file_path_to_delete = st.text_input("File Path to delete (e.g., /Documents/file.txt)")
    if st.button("Delete File"):
        result = make_api_call(access_token, f"me/drive/root:{file_path_to_delete}", method='DELETE')
        if result is None:  # DELETE doesn't return content on success
            st.success("File deleted successfully!")
        else:
            st.error("Failed to delete file.")

def handle_sharepoint_integration(access_token):
    st.subheader("🗃️ SharePoint Integration")
    st.markdown(f"[Open SharePoint]({PRODUCT_SCOPES['🗃️ SharePoint']['link']})")
    st.write("Smart search & tagging features coming soon.")

def handle_teams_integration(access_token):
    st.subheader("📅 Teams Integration")
    st.markdown(f"[Open Teams]({PRODUCT_SCOPES['📅 Teams']['link']})")
    st.write("Meeting insights & summaries features coming soon.")

def handle_bookings_integration(access_token):
    st.subheader("📚 Microsoft Bookings Integration")
    st.markdown(f"[Open Microsoft Bookings]({PRODUCT_SCOPES['📚 Microsoft Bookings']['link']})")
    st.write("Smart scheduling features coming soon.")

def handle_translator_integration(access_token):
    st.subheader("🗣️ Translator Integration")
    st.markdown(f"[Open Translator]({PRODUCT_SCOPES['🗣️ Translator']['link']})")
    st.write("Real-time translation features coming soon.")

def handle_loop_integration(access_token):
    st.subheader("📓 Loop Integration")
    st.markdown(f"[Open Loop]({PRODUCT_SCOPES['📓 Loop']['link']})")
    st.write("Real-time collaboration AI features coming soon.")

def handle_openai_service_integration(access_token):
    st.subheader("🔗 Azure OpenAI Service Integration")
    st.markdown(f"[Open Azure OpenAI Service]({PRODUCT_SCOPES['🔗 Azure OpenAI Service']['link']})")
    st.write("Custom AI model access features coming soon.")

def handle_copilot_integration(access_token):
    st.subheader("🧠 Copilot Integration")
    st.markdown(f"[Open Copilot]({PRODUCT_SCOPES['🧠 Copilot']['link']})")
    st.write("Cross-app AI assistance features coming soon.")

def handle_onenote_integration(access_token):
    st.subheader("📒 OneNote Integration")
    st.markdown(f"[Open OneNote]({PRODUCT_SCOPES['📒 OneNote']['link']})")
    st.write("Content suggestion & OCR features coming soon.")

def handle_excel_integration(access_token):
    st.subheader("📊 Excel Integration")
    st.markdown(f"[Open Excel]({PRODUCT_SCOPES['📊 Excel']['link']})")
    st.write("Data analysis & insights features coming soon.")

def handle_word_integration(access_token):
    st.subheader("📄 Word Integration")
    st.markdown(f"[Open Word]({PRODUCT_SCOPES['📄 Word']['link']})")
    st.write("Smart drafting & editing features coming soon.")

def handle_viva_integration(access_token):
    st.subheader("💬 Viva Integration")
    st.markdown(f"[Open Viva]({PRODUCT_SCOPES['💬 Viva']['link']})")
    st.write("Personalized insights features coming soon.")

def handle_power_platform_integration(access_token):
    st.subheader("🚀 Power Platform Integration")
    st.markdown(f"[Open Power Platform]({PRODUCT_SCOPES['🚀 Power Platform']['link']})")
    st.write("AI-powered automation features coming soon.")

def handle_powerpoint_integration(access_token):
    st.subheader("💡 PowerPoint Integration")
    st.markdown(f"[Open PowerPoint]({PRODUCT_SCOPES['💡 PowerPoint']['link']})")
    st.write("Design & coaching AI features coming soon.")



def main():
    st.title("🦄 MS Graph API with AI & Cloud Integration for M365")

    # Sticky Menu
    sticky_menu()
    
    st.sidebar.title("📝 M365 Products")
    st.sidebar.write("Select products to integrate:")
    
    selected_products = {}
    for product, details in PRODUCT_SCOPES.items():
        selected = st.sidebar.checkbox(product)
        if selected:
            selected_products[product] = True
            st.sidebar.write(f"AI Capabilities: {details['ai_capabilities']}")
            st.sidebar.write(f"Graph Solution: {details['graph_solution']}")

    request_scopes = BASE_SCOPES.copy()
    for product in selected_products:
        request_scopes.extend(PRODUCT_SCOPES[product]['scopes'])
    request_scopes = list(set(request_scopes))
    
    st.session_state['request_scopes'] = request_scopes

    if 'access_token' not in st.session_state:
        client_instance = get_msal_app()
        auth_url = client_instance.get_authorization_request_url(
            scopes=request_scopes,
            redirect_uri=REDIRECT_URI
        )
        st.write('👋 Please [click here]({}) to log in and authorize the app.'.format(auth_url))
        
        query_params = st.query_params
        if 'code' in query_params:
            code = query_params.get('code')
            st.write('🔑 Authorization Code Obtained:', code[:10] + '...')
            
            try:
                access_token = get_access_token(code)
                st.session_state['access_token'] = access_token
                st.success("Access token acquired successfully!")
                st.rerun()
            except Exception as e:
                st.error(f"Error acquiring access token: {str(e)}")
                st.stop()

            fragment = query_params.get('code', [None])[0]  # For example, 'add-event'
            # Handle section jumping based on the URL fragment
            if fragment:
                st.write(f"Detected URL fragment: {fragment}")
                # Simulate the scrolling or jump based on fragment
                if fragment == 'add-event':
                    st.markdown("<script>document.getElementById('add-event').scrollIntoView();</script>", unsafe_allow_html=True)
            
    else:
        access_token = st.session_state['access_token']
        
        user_info = make_api_call(access_token, 'me')
        if user_info:
            st.sidebar.write(f"👋 Hello, {user_info.get('displayName', 'User')}!")
        
        if selected_products:
            for product in selected_products:
                if product == "📧 Outlook":
                    handle_outlook_integration(access_token)
                elif product == "📅 Calendar":
                    handle_calendar_integration(access_token)
                elif product == "📋 Tasks":
                    handle_tasks_integration(access_token)
                elif product == "🗂️ OneDrive":
                    handle_onedrive_integration(access_token)
                elif product == "🗃️ SharePoint":
                    handle_sharepoint_integration(access_token)
                elif product == "📅 Teams":
                    handle_teams_integration(access_token)
                elif product == "📚 Microsoft Bookings":
                    handle_bookings_integration(access_token)
                elif product == "🗣️ Translator":
                    handle_translator_integration(access_token)
                elif product == "📓 Loop":
                    handle_loop_integration(access_token)
                elif product == "🔗 Azure OpenAI Service":
                    handle_openai_service_integration(access_token)
                elif product == "🧠 Copilot":
                    handle_copilot_integration(access_token)
                elif product == "📒 OneNote":
                    handle_onenote_integration(access_token)
                elif product == "📊 Excel":
                    handle_excel_integration(access_token)
                elif product == "📄 Word":
                    handle_word_integration(access_token)
                elif product == "💬 Viva":
                    handle_viva_integration(access_token)
                elif product == "🚀 Power Platform":
                    handle_power_platform_integration(access_token)
                elif product == "💡 PowerPoint":
                    handle_powerpoint_integration(access_token)

        else:
            st.write("No products selected. Please select products from the sidebar.")
            

if __name__ == "__main__":
    main()