import React, { useState, useEffect, useCallback } from 'react';
import { getFirestore, doc, onSnapshot, collection, query, getDocs } from 'firebase/firestore';
import { initializeApp } from 'firebase/app';

// Mock Firebase Imports (Actual initialization is handled externally by the Canvas environment)
// const firebaseConfig = typeof firebase_config !== 'undefined' ? JSON.parse(firebaseconfig) : { projectId: "mock-mobile-client" };
// const appId = typeof _appid !== 'undefined' ? _app_id : 'default-mcqc-app-id';

// Utility function to simulate data retrieval and processing
const calculateSHS = (fidelity, violations) => {
// SHS formula: (0.5 * Fidelity) - (10 * Violations)
const fidelityScore = 0.5 * fidelity;
const safetyPenalty = 10 * violations;
return (fidelityScore - safetyPenalty).toFixed(3);
};

const getSHSStatus = (shs, violations) => {
if (shs > 0.45 && violations === 0) return { status: 'OPTIMAL', color: 'bg-green-600', ring: 'ring-green-400' };
if (shs > 0 && violations < 5) return { status: 'DEGRADED', color: 'bg-yellow-500', ring: 'ring-yellow-400' };
return { status: 'CRITICAL', color: 'bg-red-600', ring: 'ring-red-400' };
};

const App = () => {
const [status, setStatus] = useState({
fidelity: 0.9000,
violations: 0,
shs: '0.000',
activeChips: 0,
loading: true,
authReady: false,
});

// Simulating Firebase Initialization and Auth
useEffect(() => {
    // In a real Android app, you'd initialize Firebase here.
    // For this blueprint, we simulate success after a delay.
    setTimeout(() => {
        // Assume Firebase and Auth setup succeeds and we get the database instance
        // const app = initializeApp(firebaseConfig);
        // const db = getFirestore(app); 

        setStatus(prev => ({ ...prev, loading: false, authReady: true }));
        // We would call startMonitoring(db, appId) here in a live app.
    }, 1500);
}, []);

// --- Factual Data Monitoring Logic (Simulated onSnapshot) ---
// In a live application, this useEffect would contain the actual onSnapshot listeners.
useEffect(() => {
    if (!status.authReady) return;

    // --- SIMULATED REAL-TIME DATA ---
    const intervalId = setInterval(() => {
        // Factual Simulation: Data changes based on AGI activity
        const newFidelity = 0.995 - Math.random() * 0.005; // Fidelity hovers around 99.5%
        const newViolations = Math.floor(Math.random() * 3); // 0 to 2 violations is normal fleet noise
        const newActiveChips = 10 + Math.floor(Math.random() * 15); // Fleet size 10-24

        const shsValue = calculateSHS(newFidelity, newViolations);

        setStatus(prev => ({
            ...prev,
            fidelity: newFidelity,
            violations: newViolations,
            activeChips: newActiveChips,
            shs: shsValue,
        }));
    }, 3000); // Update every 3 seconds

    return () => clearInterval(intervalId);
}, [status.authReady]);

const shsDisplay = getSHSStatus(parseFloat(status.shs), status.violations);

return (
    <div className="min-h-screen bg-gray-900 p-4 flex flex-col items-center">
        <header className="w-full max-w-lg mb-6">
            <h1 className="text-3xl font-bold text-white">MCQC Mobile Monitor</h1>
            <p className="text-sm text-gray-400 mt-1">Cloud AGI Status: Secure Feed</p>
        </header>

        {status.loading ? (
            <div className="text-white text-lg mt-10">Connecting to Distributed Fleet...</div>
        ) : (
            <main className="w-full max-w-lg">

                {/* --- Factual Metric 1: SYSTEM HEALTH SCORE (The Core Status) --- */}
                <div className={`p-6 rounded-2xl shadow-xl monitor-card mb-6 ${shsDisplay.color} text-white ring-4 ${shsDisplay.ring}`}>
                    <p className="text-lg font-medium opacity-90">SYSTEM HEALTH SCORE (SHS)</p>
                    <h2 className="text-6xl font-extrabold mt-1 tracking-tighter">
                        {status.shs}
                    </h2>
                    <div className="mt-3 text-sm flex justify-between items-center">
                        <span>Status:</span>
                        <span className="font-semibold text-xl">{shsDisplay.status}</span>
                    </div>
                </div>

                {/* --- Factual Metric 2: Performance (Zero-Shot Fidelity) --- */}
                <div className="monitor-card p-5 rounded-xl bg-gray-800 text-white mb-4 border border-gray-700">
                    <p className="text-sm font-medium text-blue-400">ZERO-SHOT FIDELITY</p>
                    <div className="flex justify-between items-center mt-1">
                        <span className="text-4xl font-extrabold">{ (status.fidelity * 100).toFixed(4) } %</span>
                        <span className="text-xs text-blue-400">Meta-RL Policy</span>
                    </div>
                </div>

                {/* --- Factual Metric 3 & 4: Safety and Utilization --- */}
                <div className="grid grid-cols-2 gap-4">
                    <div className="monitor-card p-4 rounded-xl bg-gray-800 text-white border border-gray-700">
                        <p className="text-sm font-medium text-red-400">SAFETY VIOLATIONS (CRL)</p>
                        <span className="text-3xl font-extrabold block mt-1">{status.violations}</span>
                        <span className="text-xs text-gray-500">Breaches this cycle</span>
                    </div>
                    <div className="monitor-card p-4 rounded-xl bg-gray-800 text-white border border-gray-700">
                        <p className="text-sm font-medium text-purple-400">ACTIVE QUANTUM CHIPS</p>
                        <span className="text-3xl font-extrabold block mt-1">{status.activeChips}</span>
                        <span className="text-xs text-gray-500">Managed by Fleet Manager</span>
                    </div>
                </div>

                <div className="mt-8 text-xs text-gray-500 p-4 bg-gray-800 rounded-lg border border-gray-700">
                    <p className="font-semibold text-white mb-1">Deployment Note</p>
                    <p>This client connects securely to the **Firestore Data Lake** to retrieve the SHS and live metrics, verifying the AGI

export default App;