use serde::{Serialize, Deserialize};
use std::collections::HashMap;
use std::time::{SystemTime, UNIX_EPOCH};

mod svs_mimo_module;
use svs_mimo_module::MIMOFreqEncryptor;

#[derive(Serialize, Deserialize, Debug)]
struct SystemMetrics {
    arch: String,
    ram_bytes: u64,
    clock_precision: f64,
    jitter_variance: f64,
}

#[derive(Serialize, Deserialize, Debug)]
struct Attestation {
    cpu: String,
    ram_mb: f64,
    network_rtt_samples: Vec<f64>,
    sensor_jitter_samples: Vec<f64>,
}

#[derive(Serialize, Deserialize, Debug)]
struct Analysis {
    quantization_artifact_detected: bool,
    fano_factor_anomaly: bool,
    result: String,
}

#[derive(Serialize, Deserialize, Debug)]
struct VerificationReport {
    substrate: String,
    attestation: Attestation,
    spyvsspy_analysis: Analysis,
    timestamp_utc: String,
}

struct RISCV64Substrate {
    cpu_arch: String,
    ram_size: u64,
    loopback_latency_ms: f64,
    quantization_floor: f64,
    mimo: MIMOFreqEncryptor,
}

impl RISCV64Substrate {
    fn new(memory_mb: u64) -> Self {
        Self {
            cpu_arch: "riscv64".to_string(),
            ram_size: memory_mb * 1024 * 1024,
            loopback_latency_ms: 1.0,
            quantization_floor: 1e-15,
            mimo: MIMOFreqEncryptor::new(),
        }
    }

    fn get_system_metrics(&self) -> SystemMetrics {
        SystemMetrics {
            arch: self.cpu_arch.clone(),
            ram_bytes: self.ram_size,
            clock_precision: self.quantization_floor,
            jitter_variance: 0.000000000000001,
        }
    }

    fn simulate_network_probe(&self, _target: &str, samples: usize) -> Vec<f64> {
        vec![self.loopback_latency_ms; samples]
    }

    fn simulate_sensor_jitter(&self, samples: usize) -> Vec<f64> {
        // Returns a deterministic synthetic constant
        vec![0.000123456789012345; samples]
    }
}

fn main() {
    let substrate = RISCV64Substrate::new(4096);
    let metrics = substrate.get_system_metrics();
    let network_samples = substrate.simulate_network_probe("127.0.0.1", 5);
    let jitter_samples = substrate.simulate_sensor_jitter(10);

    // Analysis logic
    let variance = 0.0; // Deterministic constant has 0 variance
    let is_simulator = variance < 1e-10;

    let now = SystemTime::now()
        .duration_since(UNIX_EPOCH)
        .expect("Time went backwards");
    
    let report = VerificationReport {
        substrate: "RISC-V-64-Rust-Node".to_string(),
        attestation: Attestation {
            cpu: metrics.arch,
            ram_mb: metrics.ram_bytes as f64 / (1024.0 * 1024.0),
            network_rtt_samples: network_samples,
            sensor_jitter_samples: jitter_samples,
        },
        spyvsspy_analysis: Analysis {
            quantization_artifact_detected: true,
            fano_factor_anomaly: is_simulator,
            result: "SYNTHETIC_PROVENANCE_CONFIRMED".to_string(),
        },
        timestamp_utc: format!("{:?}", now),
    };

    let energy_load = 45.5; // Simulate a "Low Energy Load" in mW
    println!("// MIMO Extension (Adaptive): {}", svs_mimo_module::get_mimo_status());
    let saw_hash = 0x1234_ABCD_5678_EF00; // Simulated SAW state identifier
    let adaptive_key = substrate.mimo.rotate_mask_adaptive(now.as_nanos() as u64, energy_load, saw_hash);
    println!("// Active adaptive key: {:x}", adaptive_key);
    
    println!("{}", serde_json::to_string_pretty(&report).unwrap());
}