frontend/src/components/Results.jsx

import React from 'react';
import { saveAs } from 'file-saver';

// ... (in handleDownload)

import { motion } from 'framer-motion';

const Results = ({ result, onReset }) => {
    if (!result) return null;

    // Mock score: 0 = Human, 100 = AI
    const score = result.score || 0;
    const isAI = score > 50;

    const handleDownload = async () => {
        try {
            // Need to pass the original text here. 
            // Since result doesn't contain the original text by default (optimized away), 
            // we should ideally have it. 
            // For now, let's assume `result.text` is available or we pass input props.
            // Wait, result only has score/label/ppl. 
            // We need to pass the text from App.jsx or store it in result.
            // Let's assume App.jsx will now pass text in `result` (Need to update App.jsx too if not present)

            // Actually, simpler: Let's assume we pass `text` as a prop to Results component for now?
            // Or update backend to echo back the text? 
            // Let's update App.jsx to attach `originalText` to the result object.

            const response = await fetch('/api/report/', {
                method: 'POST',
                headers: { 'Content-Type': 'application/json' },
                body: JSON.stringify({
                    text: result.originalText || "Content not available",
                    score: score,
                    label: isAI ? "AI Generated" : "Human Written"
                })
            });

            if (!response.ok) throw new Error("Report generation failed");

            const blob = await response.blob();
            saveAs(blob, "DetectAI_Report.pdf");

        } catch (e) {
            alert("Failed to download report: " + e.message);
        }
    };

    return (
        <motion.div
            initial={{ opacity: 0, scale: 0.95 }}
            animate={{ opacity: 1, scale: 1 }}
            className="w-full max-w-3xl glass-panel p-8 mt-6 flex flex-col items-center"
        >
            <h2 className="text-2xl font-bold text-white mb-8">Detection Result</h2>

            <div className="relative w-64 h-32 overflow-hidden mb-6">
                {/* Gauge Body */}
                <div className="absolute top-0 left-0 w-full h-64 rounded-full border-[12px] border-[rgba(255,255,255,0.1)] border-b-transparent rotate-0 box-border pointer-events-none"></div>
                {/* Gauge Fill */}
                <motion.div
                    initial={{ rotate: -180 }}
                    animate={{ rotate: -180 + (score / 100) * 180 }}
                    transition={{ duration: 1.5, ease: "circOut" }}
                    className="absolute top-0 left-0 w-full h-64 rounded-full border-[12px] border-b-transparent box-border"
                    style={{
                        borderColor: `transparent ${isAI ? '#ef4444' : '#22c55e'} ${isAI ? '#ef4444' : '#22c55e'} transparent`,
                        transformOrigin: '50% 50%'
                    }}
                ></motion.div>

                <div className="absolute bottom-0 left-1/2 transform -translate-x-1/2 mb-4 text-center">
                    <span className="text-4xl font-bold text-white block">{score.toFixed(1)}%</span>
                    <span className={`text-sm font-uppercase tracking-wider ${isAI ? 'text-red-400' : 'text-green-400'}`}>
                        {isAI ? 'AI GENERATED' : 'HUMAN WRITTEN'}
                    </span>
                </div>
            </div>

            <p className="text-secondary text-center max-w-md mb-8">
                Our DeBERTa model is <strong>{score.toFixed(1)}%</strong> confident that this content was {isAI ? 'generated by AI' : 'written by a human'}.
            </p>

            <div className="flex gap-4">
                <button
                    onClick={onReset}
                    className="px-6 py-2 border border-[rgba(255,255,255,0.2)] rounded-full text-white hover:bg-[rgba(255,255,255,0.05)] transition-colors"
                >
                    Analyze Another
                </button>
                <button
                    onClick={handleDownload}
                    className="px-6 py-2 bg-blue-600 rounded-full text-white hover:bg-blue-500 transition-colors shadow-lg"
                >
                    Download PDF Report
                </button>
            </div>
        </motion.div>
    );
};

export default Results;