app.py

from fastai.vision.all import *
import gradio as gr
import fal_client
from PIL import Image
import io
import random
import requests
from pathlib import Path
import openai
from dotenv import load_dotenv
import os

# Load environment variables
load_dotenv()

# Set up OpenAI client
openai.api_key = os.getenv("OPENAI_API_KEY")

# Dictionary of plant names and their Wikipedia links
search_terms_wikipedia = {
    "blazing star": "https://en.wikipedia.org/wiki/Mentzelia",
    "bristlecone pine": "https://en.wikipedia.org/wiki/Pinus_longaeva",
    "california bluebell": "https://en.wikipedia.org/wiki/Phacelia_minor",
    "california buckeye": "https://en.wikipedia.org/wiki/Aesculus_californica",
    "california buckwheat": "https://en.wikipedia.org/wiki/Eriogonum_fasciculatum",
    "california fuchsia": "https://en.wikipedia.org/wiki/Epilobium_canum",
    "california checkerbloom": "https://en.wikipedia.org/wiki/Sidalcea_malviflora",
    "california lilac": "https://en.wikipedia.org/wiki/Ceanothus",
    "california poppy": "https://en.wikipedia.org/wiki/Eschscholzia_californica",
    "california sagebrush": "https://en.wikipedia.org/wiki/Artemisia_californica",
    "california wild grape": "https://en.wikipedia.org/wiki/Vitis_californica",
    "california wild rose": "https://en.wikipedia.org/wiki/Rosa_californica",
    "coyote mint": "https://en.wikipedia.org/wiki/Monardella",
    "elegant clarkia": "https://en.wikipedia.org/wiki/Clarkia_unguiculata",
    "baby blue eyes": "https://en.wikipedia.org/wiki/Nemophila_menziesii",
    "hummingbird sage": "https://en.wikipedia.org/wiki/Salvia_spathacea",
    "delphinium": "https://en.wikipedia.org/wiki/Delphinium",
    "matilija poppy": "https://en.wikipedia.org/wiki/Romneya_coulteri",
    "blue-eyed grass": "https://en.wikipedia.org/wiki/Sisyrinchium_bellum",
    "penstemon spectabilis": "https://en.wikipedia.org/wiki/Penstemon_spectabilis",
    "seaside daisy": "https://en.wikipedia.org/wiki/Erigeron_glaucus",
    "sticky monkeyflower": "https://en.wikipedia.org/wiki/Diplacus_aurantiacus",
    "tidy tips": "https://en.wikipedia.org/wiki/Layia_platyglossa",
    "wild cucumber": "https://en.wikipedia.org/wiki/Marah_(plant)",
    "douglas iris": "https://en.wikipedia.org/wiki/Iris_douglasiana",
    "goldfields coreopsis": "https://en.wikipedia.org/wiki/Coreopsis"
}

flowers_endangerment = {
    "blazing star": "Not considered endangered.",
    "bristlecone pine": "Least Concern (stable population).",
    "california bluebell": "Not listed as endangered or threatened.",
    "california buckeye": "Not endangered.",
    "california buckwheat": "Generally secure.",
    "california fuchsia": "Not endangered overall; some subspecies at risk.",
    "california checkerbloom": "Not generally endangered; some subspecies critically imperiled.",
    "california lilac": "Most species not endangered; some species are endangered.",
    "california poppy": "Generally secure; some subspecies face threats.",
    "california sagebrush": "Considered secure (G4-G5).",
    "california wild grape": "Apparently secure (G4).",
    "california wild rose": "Secure (G4).",
    "coyote mint": "Varies by species; some federally listed as endangered.",
    "elegant clarkia": "Secure (G5).",
    "baby blue eyes": "Secure.",
    "hummingbird sage": "Apparently secure (G4).",
    "delphinium": "Varies by species; some are endangered.",
    "matilija poppy": "Not currently endangered.",
    "blue-eyed grass": "Not endangered.",
    "penstemon spectabilis": "Not endangered.",
    "seaside daisy": "Not endangered.",
    "sticky monkeyflower": "Not endangered.",
    "tidy tips": "Generally not endangered; some subspecies may be at risk.",
    "wild cucumber": "Generally not endangered.",
    "douglas iris": "Not endangered.",
    "goldfields coreopsis": "Varies by species; many not endangered."
}

# Templates for AI image generation
prompt_templates = [
    "A dreamy watercolor scene of a {flower} on a misty morning trail, with golden sunbeams filtering through towering redwoods, and a curious hummingbird hovering nearby.",
    "A loose, expressive watercolor sketch of a {flower} in a wild meadow, surrounded by dancing butterflies and morning dew drops sparkling like diamonds in the dawn light.",
    "An artist's nature journal page featuring a detailed {flower} study, with delicate ink lines and soft watercolor washes, complete with small sketches of bees and field notes in the margins.",
    "A vibrant plein air painting of a {flower} patch along a coastal hiking trail, with crashing waves and rugged cliffs in the background, painted in bold, energetic brushstrokes.",
    "A whimsical mixed-media scene of a {flower} garden at sunrise, combining loose watercolor washes with detailed botanical illustrations, featuring hidden wildlife and morning fog rolling through the valley."
]

# Example images (using local paths)
example_images = [
    str(Path('example_images/example_1.jpg')),
    str(Path('example_images/example_2.jpg')),
    str(Path('example_images/example_3.jpg')),
    str(Path('example_images/example_4.jpg')),
    str(Path('example_images/example_5.jpg'))
    
]

# Function to handle AI generation progress updates
def on_queue_update(update):
    if isinstance(update, fal_client.InProgress):
        for log in update.logs:
           print(log["message"])



def get_status(flower_name):
    """Return the endangerment status of a given flower name."""
    # Normalize input for dictionary lookup
    normalized_name = flower_name.title()
    return flowers_endangerment.get(normalized_name, "Flower not found in database.")




# Main function to process the uploaded image
# Main function to process the uploaded image
def process_image(img):
    print("Starting prediction...")
    predicted_class, _, probs = learn.predict(img)
    print(f"Prediction complete: {predicted_class}")
    
    classification_results = dict(zip(learn.dls.vocab, map(float, probs)))
    
    # Get Wikipedia link
    wiki_url = search_terms_wikipedia.get(predicted_class, "No Wikipedia entry found.")
    
    # Get endangerment status
    endangerment_status = get_status(predicted_class)
    print(f"Status found: {endangerment_status}")
    
    # Generate artistic interpretation using DALL-E
    print("Sending request to DALL-E...")
    try:
        response = openai.images.generate(
            model="dall-e-3",
            prompt=random.choice(prompt_templates).format(flower=predicted_class),
            size="1024x1024",
            quality="standard",
            n=1,
        )
        
        # Get the image URL
        image_url = response.data[0].url
        print(f"Image URL: {image_url}")
        
        # Download the generated image
        response = requests.get(image_url)
        generated_image = Image.open(io.BytesIO(response.content))
        
    except Exception as e:
        print(f"Error generating image: {e}")
        generated_image = None
    
    print("Image retrieved and ready to return")
    return classification_results, generated_image, wiki_url, endangerment_status


# Function to clear all outputs
def clear_outputs():
    return {
        label_output: None,
        generated_image: None,
        wiki_output: None,
        status_output: None  # ← NEW
    }


# Load the AI model
learn = load_learner('resnet50_30_categories.pkl')

# Create the web interface
with gr.Blocks() as demo:
    # Input section
    with gr.Row():
        input_image = gr.Image(height=230, width=230, label="Upload Image for Classification", type="pil")
    
    # Output section
   # Output section
    with gr.Row():
        with gr.Column():
            label_output = gr.Label(label="Classification Results")
            wiki_output = gr.Textbox(label="Wikipedia Article Link", lines=1)
            status_output = gr.Textbox(label="Endangerment Status", lines=1)  # ← NEW
        generated_image = gr.Image(label="AI Generated Interpretation")

    # Add example images using local paths
    gr.Examples(
    examples=example_images,
    inputs=input_image,
    examples_per_page=6,
    fn=process_image,
    outputs=[label_output, generated_image, wiki_output, status_output]  # ← UPDATED
)

    input_image.change(
        fn=process_image,
        inputs=input_image,
        outputs=[label_output, generated_image, wiki_output, status_output]  # ← UPDATED
)

    input_image.clear(
        fn=clear_outputs,
        inputs=[],
        outputs=[label_output, generated_image, wiki_output, status_output]  # ← UPDATED
)


# Start the application
demo.launch(inline=False)