# -*- coding: utf-8 -*-
"""
CropAI Hugging Face Spaces Entry Point (Gradio + FastAPI ZeroGPU Compatible)
Mounts CropAI Enterprise FastAPI Server inside Hugging Face Gradio Space.
Provides:
1. Public interactive Web Landing Page
2. Interactive Swagger REST API documentation at '/docs'
3. All 30 Production REST Endpoints for CropAI Flutter Mobile App at '/api/v1/...'
"""

import sys
from pathlib import Path
sys.path.insert(0, str(Path(__file__).parent))

import gradio as gr
from backend.main import app as backend_app

# ZeroGPU Startup Detection Handler
try:
    import spaces
    @spaces.GPU
    def zero_gpu_pipeline(x: str = "") -> str:
        """Keeps Hugging Face ZeroGPU environment verified and active."""
        return f"CropAI ZeroGPU Pipeline Active: {x}"
except Exception:
    def zero_gpu_pipeline(x: str = "") -> str:
        return f"CropAI CPU Pipeline Active: {x}"

# Web Landing Page for visitors opening the Space in browser
with gr.Blocks(title="🌾 CropAI Agronomic Cloud") as demo:
    gr.Markdown("# 🌾 CropAI: Autonomous Plant Pathology & Advisory Ecosystem")
    gr.Markdown("""
    ### 🚀 Cloud Inference Backend is Active & Running 24/7!
    
    This Hugging Face Space hosts the production cloud inference backend for the **CropAI Mobile Application**.
    
    ---
    ### 📱 Mobile App Connection Settings:
    In your Flutter app (`frontend/lib/config/app_config.dart`), set:
    ```dart
    static const String productionCloudUrl = "https://bapi143-cropai.hf.space";
    static String baseUrl = productionCloudUrl;
    ```
    
    ---
    ### 🔗 Quick Links:
    * 📖 **[Interactive Swagger API Docs](/docs)** — Test all 30 REST endpoints directly in browser
    * 🩺 **[Backend Health Check](/health)** — Verify active AI model and system status
    * 🌾 **[Detectable Crops Catalog](/api/v1/crops)** — View 127+ supported pathologies
    * 📊 **[Dataset Platforms Catalog](/api/v1/datasets/platforms)** — 338,000+ benchmark image samples
    
    ---
    ### 🧠 Active AI & Multi-Engine Suite:
    * **Multimodal Vision:** Google Gemini 3.8 Flash (Cascading Failover)
    * **Leaf Spectroscopy:** Early Chlorophyll Breakdown & Botanical Gatekeeper
    * **Bio-Acoustics AI:** Deep Learning Audio-CNN & Log Mel-Spectrogram Stem Pest Eavesdropper
    * **Pest Detection Engine:** AgroAI YOLO11 Small (IP102 Benchmark Deep Learning)
    * **Bio-Twin™:** Thermodynamic Dew-Point & Spore Germination Index (SGI)
    * **Thermal Shock AI:** Nocturnal Radiation Frost ($T \\le 2^\\circ\\text{C}$) & Terminal Heatwave Defense
    * **Solar IoT Hub:** LoRaWAN Telemetry Ingestion, Dual-Depth Soil VWC, PWP Drought Alarms
    * **Drone VRA:** Autonomous Spot-Spraying Lawnmower Grid Generator
    """)

if __name__ == "__main__":
    demo.launch(
        ssr_mode=False,
        app_kwargs={
            "routes": list(backend_app.routes),
            "docs_url": "/docs",
            "redoc_url": "/redoc",
            "title": "CropAI Agricultural Cloud API",
            "version": "1.2.0"
        }
    )