import streamlit as st
import requests
import matplotlib.pyplot as plt
import numpy as np

st.set_option('deprecation.showPyplotGlobalUse', False)

EDAMAM_APP_ID = 'b43bfd1e'
EDAMAM_APP_KEY = '52c88b2f791a5ddecbecf76a970d8a13'

def get_recipe(food, calories):
    url = f"https://api.edamam.com/search?q={food}&app_id={EDAMAM_APP_ID}&app_key={EDAMAM_APP_KEY}&calories=0-{calories}"
    response = requests.get(url)
    data = response.json()
    return data['hits'][0]['recipe'] if data['hits'] else None

def plot_nutrition(recipe):
    nutrients = recipe['totalNutrients']
    nutrients_names = [nutrient['label'] for nutrient in nutrients.values()]
    nutrients_values = [nutrient['quantity'] for nutrient in nutrients.values()]

    colors = ['#FFA07A', '#20B2AA']

    fig, (ax1, ax2) = plt.subplots(2, 1, figsize=(10, 8))
    plt.style.use('ggplot')

    y_pos = np.arange(len(nutrients_names))
    bars = ax1.barh(y_pos, nutrients_values, align='center', color=colors[0])
    ax1.set_yticks(y_pos)

    ax1.set_yticklabels(nutrients_names, fontweight='bold', fontsize=12, family='Arial', color='white')
    ax1.set_xlabel('Quantity')
    ax1.set_title('Nutrition Values', fontweight='bold', fontsize=16, color='white')
    ax1.invert_yaxis()
    ax1.spines['top'].set_visible(False)
    ax1.spines['right'].set_visible(False)
    ax1.spines['bottom'].set_visible(False)

    ax1.xaxis.set_tick_params(pad=20)

    for bar in bars:
        width = bar.get_width()
        ax1.text(width, bar.get_y() + bar.get_height() / 2, f'{width:.1f}', va='center', color='white',
                 fontweight='bold', fontsize=12, family='Arial')

    ax1.tick_params(axis='y', which='major', pad=10)

    balance_score = np.mean(nutrients_values) / np.sum(nutrients_values)
    labels = ['Balance', 'Total']
    sizes = [balance_score, 1 - balance_score]
    explode = (0.1, 0)
    ax2.pie(sizes, explode=explode, labels=labels, colors=colors, autopct='%1.1f%%',
            shadow=True, startangle=90)
    ax2.axis('equal')
    ax2.set_title('Meal Balance', fontweight='bold', fontsize=16, color='white')

    plt.tight_layout()
    st.pyplot(fig)

def main():
    st.title("Welcome to DailyCalories!")
    st.markdown(
        """
        <style>
            body {
                background-color: #f0f0f0;
                color: #333333;
                font-family: Arial, sans-serif;
                line-height: 1.6;
            }
            .container {
                max-width: 800px;
                margin: 0 auto;
                padding: 20px;
            }
            .header {
                background-color: #007bff;
                color: white;
                padding: 20px;
                border-radius: 5px;
            }
            .subheader {
                font-size: 20px;
                font-weight: bold;
                margin-bottom: 20px;
            }
            .input {
                margin-bottom: 20px;
            }
            .button {
                background-color: #007bff;
                color: white;
                border: none;
                padding: 10px 20px;
                border-radius: 5px;
                cursor: pointer;
                font-size: 16px;
            }
            .button:hover {
                background-color: #0056b3;
            }
            .image {
                max-width: 100%;
                margin-bottom: 20px;
                border-radius: 5px;
            }
        </style>
        """,
        unsafe_allow_html=True
    )

    st.write("""Irgend en wilkommens text hald""")

    food_type = st.text_input("Enter a Food Type:", "Chicken")
    max_calories = st.number_input("Enter Maximum Calories:", min_value=0, step=100, value=500)

    if st.button("Find Recipe", key='find_recipe_button'):
        recipe = get_recipe(food_type, max_calories)
        if recipe:
            st.subheader(recipe['label'])
            st.markdown(f'<img src="{recipe["image"]}" class="image">', unsafe_allow_html=True)
            st.subheader("Ingredients:")
            for ingredient in recipe['ingredientLines']:
                st.write(ingredient)

            plot_nutrition(recipe)
        else:
            st.error("No recipe found. Please try different criteria.")

if __name__ == '__main__':
    main()