import streamlit as st
from tempfile import NamedTemporaryFile
import validators

radioButtonList = ["E-commerce CSV (https://www.kaggle.com/datasets/mervemenekse/ecommerce-dataset)",
"Upload my own CSV",
"Upload my own PDF",
"URL Chat with Google Alphabet's 2022 Q2 Earnings Report (https://tinyurl.com/f85wujsj)",
"Enter my own URL"]
genre = st.radio(
    "Choose dataset to finetune", radioButtonList
    )

pdfCSVURLText = ""
if genre==radioButtonList[0]:
    pdfCSVURLText = "CSV"
    # st.write('You selected comedy.')
    # else:
    # st.write(f'''Password streamlit app: {st.secrets["PSWD"]}''')
elif genre==radioButtonList[1]:
    pdfCSVURLText = "CSV"
elif genre==radioButtonList[2]:
    pdfCSVURLText = "PDF"
elif genre==radioButtonList[3]:
    pdfCSVURLText = "URL"
elif genre==radioButtonList[4]:
    pdfCSVURLText = "URL"

isCustomURL = genre==radioButtonList[4]
urlInput = st.text_input('Enter your own URL', '', placeholder="Type your URL here (e.g. https://tinyurl.com/f85wujsj)", disabled=not isCustomURL)
isValidURL = validators.url(urlInput)

isCustomPDF = genre==radioButtonList[1] or genre==radioButtonList[2]
uploaded_file = st.file_uploader(f"Upload your own {pdfCSVURLText} here", type=pdfCSVURLText.lower(), disabled=not isCustomPDF)
uploadedFilename = ""
if uploaded_file is not None:
    with NamedTemporaryFile(dir='.', suffix=f'.{pdfCSVURLText.lower()}') as f:
        f.write(uploaded_file.getbuffer())
        uploadedFilename = f.name
        # st.write('The current uploaded file is', f.name)


    # # To read file as bytes:
    # bytes_data = uploaded_file.getvalue()
    # st.write(bytes_data)
    #
    # # To convert to a string based IO:
    # stringio = StringIO(uploaded_file.getvalue().decode("utf-8"))
    # st.write(stringio)
    #
    # # To read file as string:
    # string_data = stringio.read()
    # st.write(string_data)
    #
    # # Can be used wherever a "file-like" object is accepted:
    # dataframe = pd.read_csv(uploaded_file)
    # st.write(dataframe)

enableChatBox = False
if genre==radioButtonList[0]:
    enableChatBox = True
elif genre==radioButtonList[1]:
    enableChatBox = uploadedFilename[-4:]==".csv"
elif genre==radioButtonList[2]:
    enableChatBox = uploadedFilename[-4:]==".pdf"
elif genre==radioButtonList[3]:
    enableChatBox = True
elif genre==radioButtonList[4]:
    enableChatBox = isValidURL

title = st.text_input(f'Ask me anything about this {pdfCSVURLText}', '', placeholder="Type your question here (e.g. what was the most sold item?)", disabled=not enableChatBox)
chatWithPDFButton = "CLICK HERE TO START CHATTING"
if st.button(chatWithPDFButton, disabled=not enableChatBox):
    pass
else:
    pass