import streamlit as st
import os
import json
import pandas as pd
import random
from os.path import join
from datetime import datetime
from src import (
    preprocess_and_load_df,
    load_agent,
    ask_agent,
    decorate_with_code,
    show_response,
    get_from_user,
    load_smart_df,
    ask_question,
)
from dotenv import load_dotenv
from langchain_groq.chat_models import ChatGroq
from langchain_google_genai import GoogleGenerativeAI
from streamlit_feedback import streamlit_feedback
from huggingface_hub import HfApi
from datasets import load_dataset, get_dataset_config_info, Dataset
from PIL import Image

st.set_page_config(layout="wide")

# Load environment variables : Groq and Hugging Face API keys
load_dotenv()
Groq_Token = os.environ["GROQ_API_KEY"]
hf_token = os.environ["HF_TOKEN"]
gemini_token = os.environ["GEMINI_TOKEN"]
models = {
    "llama3": "llama3-70b-8192",
    "mixtral": "mixtral-8x7b-32768",
    "llama2": "llama2-70b-4096",
    "gemma": "gemma-7b-it",
    "gemini-pro": "gemini-pro",
}

self_path = os.path.dirname(os.path.abspath(__file__))


# Using HTML and CSS to center the title
st.write(
    """
    <style>
    .title {
        text-align: center;
        color: #17becf;
    }
    </style>
""",
    unsafe_allow_html=True,
)

# Displaying the centered title
st.markdown(
    "<div style='text-align:center; padding: 20px;'>VayuBuddy makes pollution monitoring easier by bridging the gap between users and datasets.<br>No coding required—just meaningful insights at your fingertips!</div>",
    unsafe_allow_html=True,
)

# Center-aligned instruction text with bold formatting
st.markdown(
    "<div style='text-align:center;'>Choose a query from <b>Select a prompt</b> or type a query in the <b>chat box</b>, select a <b>LLM</b> (Large Language Model), and press enter to generate a response.</div>",
    unsafe_allow_html=True,
)
# os.environ["PANDASAI_API_KEY"] = "$2a$10$gbmqKotzJOnqa7iYOun8eO50TxMD/6Zw1pLI2JEoqncwsNx4XeBS2"

# with open(join(self_path, "context1.txt")) as f:
#     context = f.read().strip()

# agent = load_agent(join(self_path, "app_trial_1.csv"), context)
# df = preprocess_and_load_df(join(self_path, "Data.csv"))
# inference_server = "https://api-inference.huggingface.co/models/mistralai/Mistral-7B-Instruct-v0.2"
# inference_server = "https://api-inference.huggingface.co/models/codellama/CodeLlama-13b-hf"
# inference_server = "https://api-inference.huggingface.co/models/pandasai/bamboo-llm"

image_path = "IITGN_Logo.png"

# Display images and text in three columns with specified ratios
col1, col2, col3 = st.sidebar.columns((1.0, 2, 1.0))
with col2:
    st.image(image_path, use_column_width=True)
    st.markdown("<h1 class='title'>VayuBuddy</h1>", unsafe_allow_html=True)


model_name = st.sidebar.selectbox("Select LLM:", ["llama3", "mixtral", "gemma", "gemini-pro"])

questions = ["Custom Prompt"]
with open(join(self_path, "questions.txt")) as f:
    questions += f.read().split("\n")

waiting_lines = (
    "Thinking...",
    "Just a moment...",
    "Let me think...",
    "Working on it...",
    "Processing...",
    "Hold on...",
    "One moment...",
    "On it...",
)

# agent = load_agent(df, context="", inference_server=inference_server, name=model_name)

# Initialize chat history
if "responses" not in st.session_state:
    st.session_state.responses = []

### Old code for feedback
# def push_to_dataset(feedback, comments,output,code,error):
#     # Load existing dataset or create a new one if it doesn't exist
#     try:
#         ds = load_dataset("YashB1/Feedbacks_eoc", split="evaluation")
#     except FileNotFoundError:
#         # If dataset doesn't exist, create a new one
#         ds = Dataset.from_dict({"feedback": [], "comments": [], "error": [], "output": [], "code": []})

#     # Add new feedback to the dataset
#     new_data = {"feedback": [feedback], "comments": [comments], "error": [error], "output": [output], "code": [code]}  # Convert feedback and comments to lists
#     new_data = Dataset.from_dict(new_data)

#     ds = concatenate_datasets([ds, new_data])

#     # Push the updated dataset to Hugging Face Hub
#     ds.push_to_hub("YashB1/Feedbacks_eoc", split="evaluation")


def upload_feedback():
    print("Uploading feedback")
    data = {
        "feedback": feedback["score"],
        "comment": feedback["text"],
        "error": error,
        "output": output,
        "prompt": last_prompt,
        "code": code,
    }

    # generate a random file name based on current time-stamp: YYYY-MM-DD_HH-MM-SS
    random_folder_name = str(datetime.now()).replace(" ", "_").replace(":", "-").replace(".", "-")
    print("Random folder:", random_folder_name)
    save_path = f"/tmp/vayubuddy_feedback.md"
    path_in_repo = f"data/{random_folder_name}/feedback.md"
    with open(save_path, "w") as f:
        template = f"""Prompt: {last_prompt}

Output: {output}

Code: 

```py
{code}
```

Error: {error}

Feedback: {feedback['score']}

Comments: {feedback['text']}
        """

        print(template, file=f)

    api = HfApi(token=hf_token)
    api.upload_file(
        path_or_fileobj=save_path,
        path_in_repo=path_in_repo,
        repo_id="SustainabilityLabIITGN/VayuBuddy_Feedback",
        repo_type="dataset",
    )
    if status["is_image"]:
        api.upload_file(
            path_or_fileobj=output,
            path_in_repo=f"data/{random_folder_name}/plot.png",
            repo_id="SustainabilityLabIITGN/VayuBuddy_Feedback",
            repo_type="dataset",
        )

    print("Feedback uploaded successfully!")


# Display chat responses from history on app rerun
print("#" * 10)
for response_id, response in enumerate(st.session_state.responses):
    status = show_response(st, response)
    if response["role"] == "assistant":
        feedback_key = f"feedback_{int(response_id/2)}"
        print("response_id", response_id, "feedback_key", feedback_key)

        error = response["error"]
        output = response["content"]
        last_prompt = response["last_prompt"]
        code = response["gen_code"]

        if "feedback" in st.session_state.responses[response_id]:
            st.write("Feedback:", st.session_state.responses[response_id]["feedback"])
        else:
            ## !!! This does on work on Safari !!!
            # feedback = streamlit_feedback(feedback_type="thumbs",
            #     optional_text_label="[Optional] Please provide extra information", on_submit=upload_feedback, key=feedback_key)

            # Display thumbs up/down buttons for feedback
            thumbs = st.radio("We would appreciate your feedback!", ("👍", "👎"), index=None, key=feedback_key)

            if thumbs:
                # Text input for comments
                comments = st.text_area("[Optional] Please provide extra information", key=feedback_key + "_comments")
                feedback = {"score": thumbs, "text": comments}
                if st.button("Submit", on_click=upload_feedback, key=feedback_key + "_submit"):
                    st.session_state.responses[response_id]["feedback"] = feedback
                    st.success("Feedback uploaded successfully!")


print("#" * 10)

show = True
prompt = st.sidebar.selectbox("Select a Prompt:", questions, key="prompt_key")
if prompt == "Custom Prompt":
    show = False
    # React to user input
    prompt = st.chat_input("Ask me anything about air quality!", key=1000)
    if prompt:
        show = True
else:
    # placeholder for chat input
    st.chat_input(
        "Select 'Select a Prompt' -> 'Custom Prompt' in the sidebar to ask your own questions.", key=1000, disabled=True
    )

if "last_prompt" in st.session_state:
    last_prompt = st.session_state["last_prompt"]
    last_model_name = st.session_state["last_model_name"]
    if (prompt == last_prompt) and (model_name == last_model_name):
        show = False

if prompt:
    st.sidebar.info("Select 'Custom Prompt' to ask your own questions.")

    if show:
        # Add user input to chat history
        user_response = get_from_user(prompt)
        st.session_state.responses.append(user_response)

        # select random waiting line
        with st.spinner(random.choice(waiting_lines)):
            ran = False
            for i in range(1):
                print(f"Attempt {i+1}")
                if model_name == "gemini-pro":
                    llm = GoogleGenerativeAI(
                        model=models[model_name], google_api_key=os.getenv("GEMINI_TOKEN"), temperature=0
                    )
                else:
                    llm = ChatGroq(model=models[model_name], api_key=os.getenv("GROQ_API"), temperature=0)

                df_check = pd.read_csv("Data.csv")
                df_check["Timestamp"] = pd.to_datetime(df_check["Timestamp"])
                df_check = df_check.head(5)

                new_line = "\n"

                parameters = {"font.size": 12, "figure.dpi": 600}

                template = f"""```python
import pandas as pd
import matplotlib.pyplot as plt

plt.rcParams.update({parameters})

df = pd.read_csv("Data.csv")
df["Timestamp"] = pd.to_datetime(df["Timestamp"])

import geopandas as gpd
india = gpd.read_file("https://gist.githubusercontent.com/jbrobst/56c13bbbf9d97d187fea01ca62ea5112/raw/e388c4cae20aa53cb5090210a42ebb9b765c0a36/india_states.geojson")
india.loc[india['ST_NM'].isin(['Ladakh', 'Jammu & Kashmir']), 'ST_NM'] = 'Jammu and Kashmir'
import uuid
# df.dtypes
{new_line.join(map(lambda x: '# '+x, str(df_check.dtypes).split(new_line)))}

{new_line.join(['# '+line for line in prompt.strip().split(new_line)])}
"""
                with open("system_prompt.txt") as f:
                    system_prompt = f.read().strip()
                query = f"""{system_prompt}
                
                Complete the following code.

                {template}

                """

                answer = None
                code = None
                error = None
                try:
                    if model_name == "gemini-pro":
                        answer = llm.invoke(query)
                    else:
                        answer = llm.invoke(query).content
                    code = f"""
                    {template.split("```python")[1].split("```")[0]}
                    {answer.split("```python")[1].split("```")[0]}
                    """
                    # update variable `answer` when code is executed
                    exec(code)
                    ran = True
                except Exception as e:
                    error = e
                    if code is not None:
                        answer = f"Error executing the code...\n\n{e}"

                if type(answer) != str:
                    answer = f"!!!Faced an error while working on your query. Please try again!!!"

                response = {
                    "role": "assistant",
                    "content": answer,
                    "gen_code": code,
                    "ex_code": code,
                    "last_prompt": prompt,
                    "error": error,
                }

                try:
                    print("Trying to open image", answer)
                    img = Image.open(answer)
                    print("Image opened")
                    image = answer
                    answer = None
                except:
                    image = None

                item = {
                    "prompt": prompt,
                    "code": code,
                    "answer": answer,
                    "error": error,
                    "model": model_name,
                    "image": image,
                }

                # Update to HuggingFace dataset
                dataset_config = get_dataset_config_info("SustainabilityLabIITGN/VayuBuddy_logs", token=hf_token)
                splits = dataset_config.splits
                last_split = list(splits.keys())[-1]
                last_split_size = splits[last_split].num_examples

                ds = load_dataset("SustainabilityLabIITGN/VayuBuddy_logs", token=hf_token, split=last_split)
                if last_split_size >= 100:
                    current_split = str(int(last_split) + 1)
                    ds = Dataset.from_list([item], features=ds.features)
                else:
                    current_split = last_split
                    ds = ds.add_item(item)

                ds.push_to_hub("SustainabilityLabIITGN/VayuBuddy_logs", split=current_split, token=hf_token)

                # Get response from agent
                # response = ask_question(model_name=model_name, question=prompt)
                # response = ask_agent(agent, prompt)

                if ran:
                    break

        # Append agent response to chat history
        st.session_state.responses.append(response)

        st.session_state["last_prompt"] = prompt
        st.session_state["last_model_name"] = model_name
        st.rerun()


# contact details
contact_details = """
**Feel free to reach out to us:**
- [Zeel B Patel](https://patel-zeel.github.io/)
  (PhD Student, IIT Gandhinagar)
- Vinayak Rana
  (Developer, IIT Gandhinagar)
- Nitish Sharma
  (Developer, Independent Contributor)
- Yash J Bachwana
  (Developer, IIT Gandhinagar)
- [Nipun Batra](https://nipunbatra.github.io/)
  (Faculty, IIT Gandhinagar)
"""


# Display contact details with message
st.sidebar.markdown("<hr>", unsafe_allow_html=True)
st.sidebar.markdown(contact_details, unsafe_allow_html=True)


st.markdown(
    """
    <style>
    .sidebar .sidebar-content {
        position: sticky;
        top: 0;
        height: 100vh;
        overflow-y: auto;
        overflow-x: hidden;
    }
    </style>
    """,
    unsafe_allow_html=True,
)