import streamlit as st

# Function to generate the business proposal with style formatting
def generate_business_proposal(company_name, recipient_name, product_service, benefits, pricing, timeline, contact_info, style):
    if style == "Formal":
        proposal = f"""
        Subject: Formal Proposal for {product_service} Collaboration

        Dear {recipient_name},

        I hope this message finds you in the best of health and spirits. I am writing to formally propose a business collaboration that I believe will be mutually beneficial to both {company_name} and your esteemed organization.

        **Introduction:**
        {company_name} is a leading provider of {product_service}. We are excited to offer you the opportunity to collaborate with us to meet your organization's needs with our high-quality solutions.

        **Proposed Solution/Offer:**
        Our {product_service} provides the following key benefits:
        - {benefits}

        **Pricing/Cost:**
        We offer our solution at a cost of {pricing}. This price reflects the value and quality of our offering.

        **Timeline:**
        The implementation of this solution can be completed within {timeline}, starting immediately upon confirmation.

        **Why {recipient_name} Should Consider This Proposal:**
        We believe that our solution will provide significant value to your organization, and {company_name} has a proven track record of successful collaborations in the industry.

        **Next Steps:**
        If you are interested in discussing this proposal further, please do not hesitate to contact me at your earliest convenience.

        I look forward to your response.

        Sincerely,
        [Your Name]
        [Your Job Title]
        {company_name}
        {contact_info}
        """
    elif style == "Casual":
        proposal = f"""
        Subject: Proposal for {product_service} Collaboration

        Hey {recipient_name}!

        I hope you're doing well! I'm reaching out to share an exciting business opportunity that I believe could be a great fit for both {company_name} and your organization.

        **Here’s what we offer:**
        Our {product_service} offers these awesome benefits:
        - {benefits}

        **Pricing:**
        We can provide this at a price of {pricing}, which is a solid deal for the value it brings.

        **Timeline:**
        We can get things started and wrap it up within {timeline}, depending on your needs.

        **Why this is a great fit:**
        {company_name} has a great history of helping companies like yours, and we know our {product_service} can help take things to the next level.

        **What’s next:**
        If you're interested, just let me know and we can chat more!

        Looking forward to hearing from you.

        Cheers,
        [Your Name]
        [Your Job Title]
        {company_name}
        {contact_info}
        """
    elif style == "Business":
        proposal = f"""
        Subject: Proposal for {product_service} Collaboration

        Dear {recipient_name},

        I hope this message finds you well. I am writing to formally propose a collaboration between {company_name} and your organization, specifically in the area of {product_service}.

        **Overview:**
        {company_name} specializes in providing top-tier {product_service}, and we are eager to offer you a comprehensive solution that fits your needs.

        **Key Benefits of Our Proposal:**
        - {benefits}

        **Pricing Details:**
        The total cost for this solution is {pricing}, which we believe is highly competitive considering the value provided.

        **Implementation Timeline:**
        We anticipate completing the implementation within {timeline}, contingent upon your approval.

        **Why Partner with {company_name}:**
        With years of experience and successful case studies in your industry, {company_name} is uniquely positioned to help your organization achieve its goals.

        **Next Steps:**
        Should you find this proposal of interest, I would be happy to schedule a call or meeting to discuss further.

        I look forward to your positive response.

        Best regards,
        [Your Name]
        [Your Job Title]
        {company_name}
        {contact_info}
        """
    else:
        proposal = "Invalid style selected."

    return proposal


# Streamlit App
def main():
    st.title("Business Proposal Generator")

    # Input fields for the user to enter details for the proposal
    st.subheader("Enter the details of your business proposal")

    company_name = st.text_input("Your Company Name:")
    recipient_name = st.text_input("Recipient's Name:")
    product_service = st.text_input("Product/Service Offered:")
    benefits = st.text_area("Key Benefits (one per line):")
    pricing = st.text_input("Pricing/Cost:")
    timeline = st.text_input("Timeline for Implementation:")
    contact_info = st.text_input("Your Contact Information:")

    # Add option to select style
    style = st.selectbox("Choose the proposal style:", ["Formal", "Casual", "Business"])

    if st.button("Generate Proposal"):
        if company_name and recipient_name and product_service and benefits and pricing and timeline and contact_info:
            proposal = generate_business_proposal(
                company_name, recipient_name, product_service, benefits, pricing, timeline, contact_info, style
            )
            
            st.subheader("Generated Proposal:")
            st.text_area("Your Business Proposal", proposal, height=300)

            # Provide option to download the generated proposal as a .txt file
            st.download_button(
                label="Download Proposal",
                data=proposal,
                file_name="business_proposal.txt",
                mime="text/plain"
            )
        else:
            st.warning("Please fill in all the fields.")

if __name__ == "__main__":
    main()