import streamlit as st
import datetime


def main():

    # Creating the Contract Creation Workflow Screen
    st.title("1 - Contract Creation Workflow")

    # Contract Details Section
    st.header("Contract Details")
    contract_type = st.selectbox("Contract Type", ["","Type 1", "Type 2", "Type 3"])
    start_date = st.date_input("Start Date", datetime.date.today())
    end_date = st.date_input("End Date", datetime.date.today())
    parties_involved = st.text_input("Parties Involved", help="Separate multiple parties with commas")

    # Rich Text Editor for Contract Terms and Conditions
    st.header("Contract Terms and Conditions")
    contract_terms = st.text_area("Terms and Conditions")

    # Supporting Documents Section
    st.header("Supporting Documents")
    uploaded_files = st.file_uploader("Attach Supporting Documents", accept_multiple_files=True)

    # Displaying Contract Details
    st.header("Contract Details Summary")
    st.write(f"Contract Number:")
    st.write(f"Contract Type: {contract_type}")
    st.write(f"Start Date: {start_date}")
    st.write(f"End Date: {end_date}")
    st.write(f"Parties Involved: {parties_involved}")

    # Displaying Contract Terms and Conditions
    st.header("Contract Terms and Conditions Summary")
    st.write(contract_terms)

    # Displaying Attached Supporting Documents
    if uploaded_files:
        st.header("Attached Documents")
        for file in uploaded_files:
            st.write(file.name)
    


    # Contract Approval Screen
    st.title("2 - Contract Approval")
    user_role = st.radio("User Role", ("Contract Approver", "Manager"))
    contract_details = {
        "Contract Type": contract_type,
        "Start Date": start_date,
        "End Date": end_date,
        "Parties Involved": parties_involved,
    }

    st.header("Contract Details")
    for key, value in contract_details.items():
        st.write(f"{key}: {value}")

    # Highlight pending approvals with color coding
    if user_role == "Contract Approver":
        st.error("Pending Approval: Contract Approver action required!")
    elif user_role == "Manager":
        st.warning("Pending Approval: Manager action required!")

    # Comments Section
    st.header("Comments Section")
    comments = st.text_area("Comments")


    # Screen for searching and retrieving contracts
    st.title("3 - Contract Search and Retrieval")

    # Search Criteria Fields
    st.header("Search Criteria")
    contract_number = st.text_input("Contract Number (Exact Match)")
    vendor = st.text_input("Vendor", help="Enter vendor name or id")
    contract_status = st.selectbox("Contract Status", ["","Approved", "Approval in process", "On hold"])
    start_date_range = st.date_input("Start Date Range", help="Select the start date")
    end_date_range = st.date_input("End Date Range", help="Select the end date")

    # Export Options for Search Results
    st.header("Export Options")
    export_format = st.selectbox("Export Format", ["CSV", "PDF"])

    # Simulated Search Results
    st.header("Search Results")
    # ... (Add simulated search results here)

    # Exporting Search Results
    if st.button("Export Results"):
        if export_format == "CSV":
            # ... (Add CSV export functionality here)
            st.write("Exporting to CSV...")
        elif export_format == "PDF":
            # ... (Add PDF export functionality here)
            st.write("Exporting to PDF...")
    
    # Contract Amendment Workflow
    st.title("4 - Contract Amendment Workflow")

    # Trigger Condition - Change in Contract Scope
    st.header("Trigger")
    change_in_scope = st.checkbox("Change in Contract Scope")

    # Display fields if change_in_scope is True
    if change_in_scope:
        # Fields for Describing Proposed Amendments
        st.header("Proposed Amendments")
        description = st.text_area("Description", "Enter the description of the proposed amendments here.")
        reason = st.text_area("Reason", "Enter the reason for the proposed amendments here.")

        # Approval Process for Amendments
        st.header("Amendment Approval Process")
        amendment_roles = ["Amendment Initiator", "Contract Approver", "Manager"]
        current_role_index = amendment_roles.index(st.selectbox("Current Role", amendment_roles))
        st.write(f"Current Role: {amendment_roles[current_role_index]}")

        # Version Control to Track Changes
        st.header("Version Control")
        st.write("Implement version control to track changes during the approval process.")

    
    # Contract renewal management
    st.title("5 - Contract Renewal Management")

    # Renewal Triggers - Time-based Alerts
    st.header("Renewal Triggers")
    days_before_expiration = st.slider("Days Before Expiration", min_value=0, max_value=365, step=1, value=30)

    # Dashboard for Contracts Approaching Expiration
    st.header("Contracts Approaching Expiration")
    # Simulated display of contracts approaching expiration
    contracts = [
        {"Contract Type": "Type 1", "Parties Involved": "Party 1, Party 2", "Renewal Status": "Pending"},
        {"Contract Type": "Type 2", "Parties Involved": "Party 3, Party 4", "Renewal Status": "Negotiation"},
    ]
    for i, contract in enumerate(contracts):
        st.write(f"Contract Type: {contract['Contract Type']}")
        st.write(f"Parties Involved: {contract['Parties Involved']}")
        st.write(f"Renewal Status: {contract['Renewal Status']}")
        st.button(f"Renew_{i}")

    # Tracking Renewal History
    st.header("Renewal History")
    st.write("Track renewal history and view details for each contract renewal.")
    st.button("View History")


if __name__ == "__main__":
    main()