from db.schema import Response, ModelRatings
import streamlit as st
from datetime import datetime
from dotenv import load_dotenv
from views.nav_buttons import navigation_buttons

load_dotenv()


def display_completion_message():
    """Display a standardized survey completion message."""
    st.markdown(
        """
        <div class='exit-container'>
            <h1>You have already completed the survey! Thank you for participating!</h1>
            <p>Your responses have been saved successfully.</p>
            <p>You can safely close this window or start a new survey.</p>
        </div>
        """,
        unsafe_allow_html=True,
    )
    st.session_state.show_questions = False
    st.session_state.completed = True
    st.session_state.start_new_survey = True


def get_previous_ratings(model_name, query_key, current_index):
    """Retrieve previous ratings from session state."""
    previous_ratings = {}

    if current_index < st.session_state.current_index and len(
        st.session_state.responses
    ) > current_index:
        if st.session_state.previous_ratings:
            previous_ratings = st.session_state.previous_ratings.get(
                st.session_state.data.iloc[current_index]["config_id"], {}
            )
            previous_ratings = previous_ratings.get(
                model_name, None
            )  # Fix: Model key from session state
    elif len(st.session_state.responses) <= current_index:
        previous_ratings = {}
    else:
        response_from_session = st.session_state.responses[current_index]
        try:
            previous_ratings = response_from_session.model_ratings.get(model_name, {})
        except AttributeError:
            previous_ratings = response_from_session["model_ratings"].get(model_name, {})

    stored_query_ratings = {}
    if previous_ratings:
        if "query_v" in query_key:
            try:
                stored_query_ratings = previous_ratings.query_v_ratings
            except AttributeError:
                stored_query_ratings = previous_ratings["query_v_ratings"]
        elif "query_p0" in query_key:
            try:
                stored_query_ratings = previous_ratings.query_p0_ratings
            except AttributeError:
                stored_query_ratings = previous_ratings["query_p0_ratings"]
        elif "query_p1" in query_key:
            try:
                stored_query_ratings = previous_ratings.query_p1_ratings
            except AttributeError:
                stored_query_ratings = previous_ratings["query_p1_ratings"]

    return stored_query_ratings if stored_query_ratings else {}


def render_single_rating(
    label,
    options,
    format_func,
    key_prefix,
    stored_rating,
    col,
):
    """Renders a single rating widget (radio)."""
    with col:
        return st.radio(
            label,
            options=options,
            format_func=format_func,
            key=f"{key_prefix}",
            index=stored_rating if stored_rating is not None else 0,
        )


def render_query_ratings(
    model_name,
    query_label,
    config,
    query_key,
    current_index,
    has_persona_alignment=False,
):
    """Helper function to render ratings for a given query."""
    stored_query_ratings = get_previous_ratings(model_name, query_key, current_index)
    stored_relevance = stored_query_ratings.get("relevance", 0)
    stored_clarity = stored_query_ratings.get("clarity", 0)
    stored_persona_alignment = (
        stored_query_ratings.get("persona_alignment", 0) if has_persona_alignment else 0
    )
    if model_name == "gemini":
        bg_color = "#e0f7fa"
    else:
        bg_color = "#f0f4c3"

    with st.container():
        st.markdown(
            f"""
               <div style="background-color:{bg_color}; padding:1rem;"> 
                    <h3 style="color:blue;">{query_label} </h3>
                   <p style="text-align:left;">{config[model_name + "_" + query_key]}</p>
                </div>
           """,
            unsafe_allow_html=True,
        )
        cols = st.columns(3)
        options = [0, 1, 2, 3, 4]

        persona_alignment_rating = None
        if has_persona_alignment:
            persona_alignment_rating = render_single_rating(
                "Persona Alignment:",
                options,
                lambda x: ["N/A", "Not Aligned", "Partially Aligned", "Aligned", "Unclear"][
                    x
                ],
                f"rating_{model_name}{query_key}_persona_alignment_",
                stored_persona_alignment,
                cols[0],
            )

        relevance_rating = render_single_rating(
            "Relevance:",
            options,
            lambda x: ["N/A", "Not Relevant", "Somewhat Relevant", "Relevant", "Unclear"][
                x
            ],
            f"rating_{model_name}{query_key}_relevance_",
            stored_relevance,
            cols[1],
        )

        clarity_rating = render_single_rating(
            "Clarity:",
            [0, 1, 2, 3],
            lambda x: ["N/A", "Not Clear", "Somewhat Clear", "Very Clear"][x],
            f"rating_{model_name}{query_key}_clarity_",
            stored_clarity,
            cols[2],
        )

    return {
        "clarity": clarity_rating,
        "relevance": relevance_rating,
        "persona_alignment": persona_alignment_rating if has_persona_alignment else None,
    }


def display_ratings_row(model_name, config, current_index):
    st.markdown(f"## {model_name.capitalize()} Ratings")

    cols = st.columns(3)
    with cols[0]:
        query_v_ratings = render_query_ratings(
            model_name,
            "Query_v",
            config,
            "query_v",
            current_index,
            has_persona_alignment=False,
        )
    with cols[1]:
        query_p0_ratings = render_query_ratings(
            model_name,
            "Query_p0",
            config,
            "query_p0",
            current_index,
            has_persona_alignment=True,
        )
    with cols[2]:
        query_p1_ratings = render_query_ratings(
            model_name,
            "Query_p1",
            config,
            "query_p1",
            current_index,
            has_persona_alignment=True,
        )
    if "persona_alignment" in query_v_ratings:
        query_v_ratings.pop("persona_alignment")
    return {
        "query_v_ratings": query_v_ratings,
        "query_p0_ratings": query_p0_ratings,
        "query_p1_ratings": query_p1_ratings,
    }


def questions_screen(data):
    """Display the questions screen with split layout."""
    current_index = st.session_state.current_index

    try:
        config = data.iloc[current_index]

        # Progress bar
        progress = (current_index + 1) / len(data)
        st.progress(progress)
        st.write(f"Question {current_index + 1} of {len(data)}")
        st.subheader(f"Config ID: {config['config_id']}")

        # Context information
        st.markdown("### Context Information")
        with st.expander("Persona", expanded=True):
            st.write(config["persona"])
        with st.expander("Filters & Cities", expanded=True):
            st.write("**Filters:**", config["filters"])
            st.write("**Cities:**", config["city"])
        with st.expander("Full Context", expanded=False):
            st.text_area("", config["context"], height=300, disabled=False)

        g_ratings = display_ratings_row("gemini", config, current_index)
        l_ratings = display_ratings_row("llama", config, current_index)

        # Additional comments
        comment = st.text_area("Additional Comments (Optional):")

        # Collecting the response data
        response = Response(
            config_id=config["config_id"],
            model_ratings={
                "gemini": ModelRatings(
                    query_v_ratings=g_ratings["query_v_ratings"],
                    query_p0_ratings=g_ratings["query_p0_ratings"],
                    query_p1_ratings=g_ratings["query_p1_ratings"],
                ),
                "llama": ModelRatings(
                    query_v_ratings=l_ratings["query_v_ratings"],
                    query_p0_ratings=l_ratings["query_p0_ratings"],
                    query_p1_ratings=l_ratings["query_p1_ratings"],
                ),
            },
            comment=comment,
            timestamp=datetime.now().isoformat(),
        )
        try:
            st.session_state.ratings[current_index] = response["model_ratings"]
        except TypeError:
            st.session_state.ratings[current_index] = response.model_ratings
        if len(st.session_state.responses) > current_index:
            st.session_state.responses[current_index] = response
        else:
            st.session_state.responses.append(response)

        # Navigation buttons
        navigation_buttons(data, response)
    except IndexError:
        print("Survey completed!")