# utils/ui_components.py
import streamlit as st
import plotly.graph_objects as go
from config.settings import BADGES
from config.themes import THEMES


def apply_custom_theme(theme_name: str):
    """Applies a custom theme using CSS variables."""
    theme = THEMES.get(theme_name, THEMES["default"])
    css = f"""
    <style>
        :root {{
            --primary-color: {theme["primary_color"]};
            --background-color: {theme["background_color"]};
            --secondary-background-color: {theme["secondary_background_color"]};
            --text-color: {theme["text_color"]};
            --font: {theme["font"]};
        }}
        /* Apply background color to the main Streamlit elements */
        .stApp {{
            background-color: var(--background-color);
            color: var(--text-color);
        }}
        .stSidebar {{
            background-color: var(--secondary-background-color);
        }}
    </style>
    """
    st.markdown(css, unsafe_allow_html=True)


def display_user_stats(stats: dict):
    """Displays user statistics in a dashboard format."""
    cols = st.columns(4)
    with cols[0]:
        st.metric("Total Score", f"{stats.get('total_score', 0):,}")
    with cols[1]:
        st.metric("Quizzes Played", stats.get("quizzes_completed", 0))
    with cols[2]:
        st.metric("Current Streak", f"🔥 {stats.get('current_streak', 0)}")
    with cols[3]:
        st.metric("Best Streak", f"⭐ {stats.get('best_streak', 0)}")


def display_badges(earned_badges: list):
    """Displays earned badges."""
    if not earned_badges:
        return

    st.markdown("### 🏆 Your Badges")
    cols = st.columns(len(BADGES))
    for i, badge_id in enumerate(earned_badges):
        badge = BADGES.get(badge_id)
        if badge:
            with cols[i]:
                st.markdown(
                    f"<div style='text-align: center; padding: 10px; border-radius: 10px; background-color: var(--secondary-background-color);'>",
                    unsafe_allow_html=True,
                )
                st.markdown(
                    f"<span style='font-size: 50px;'>{badge['icon']}</span>",
                    unsafe_allow_html=True,
                )
                st.markdown(f"**{badge['name']}**")
                st.markdown(f"</div>", unsafe_allow_html=True)


def create_progress_chart(stats: dict) -> go.Figure:
    """Creates a progress chart for the user."""
    history = stats.get("quiz_history", [])
    if not history:
        return go.Figure()

    dates = [item["timestamp"] for item in history]
    scores = [item["percentage"] for item in history]

    fig = go.Figure()
    fig.add_trace(go.Scatter(x=dates, y=scores, mode="lines+markers", name="Score %"))
    fig.update_layout(
        title="Quiz Performance Over Time",
        xaxis_title="Date",
        yaxis_title="Score (%)",
        yaxis_range=[0, 100],
    )
    return fig


def animated_success(message: str):
    """Displays an animated success message."""
    st.success(message)


def create_quiz_card(question: str, options: list):
    """Creates a card for a multiple-choice question."""
    st.subheader(question)
    answer = st.radio(
        "Select your answer:", options, index=None, label_visibility="collapsed"
    )
    return answer


def render_flashcard(front_content: str, back_content: str, is_flipped: bool):
    """Renders a flippable flashcard."""
    card_style = """
        width: 100%;
        height: 300px;
        perspective: 1000px;
    """
    flipper_style = f"""
        position: relative;
        width: 100%;
        height: 100%;
        transition: transform 0.6s;
        transform-style: preserve-3d;
        transform: {"rotateY(180deg)" if is_flipped else "none"};
    """
    face_style = """
        position: absolute;
        width: 100%;
        height: 100%;
        -webkit-backface-visibility: hidden;
        backface-visibility: hidden;
        display: flex;
        justify-content: center;
        align-items: center;
        padding: 20px;
        border-radius: 10px;
        box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2);
    """
    front_style = (
        f"{{face_style}} background-color: var(--primary-color); color: white;"
    )
    back_style = f"{{face_style}} background-color: var(--secondary-background-color); color: var(--text-color); transform: rotateY(180deg);"

    st.markdown(
        f"<div style='{{card_style}}'><div style='{{flipper_style}}'> \
                    <div style='{{front_style}}'><div>{front_content}</div></div> \
                    <div style='{{back_style}}'><div>{back_content}</div></div> \
                </div></div>",
        unsafe_allow_html=True,
    )