//! # Simple Ablation Simulation Example
//!
//! A quick demonstration of the Medical Digital Twin Platform for
//! simulating thermal ablation of a tumor.
//!
//! ## Run
//! ```bash
//! cargo run --example simple_ablation
//! ```

use rtx_digital_twin::{
    AblationProbe, DigitalTwin, InterventionType, OrganGeometry, TissueLabel, TissueType,
};

fn main() {
    println!("\n=== Medical Digital Twin: Ablation Planning ===\n");

    // Create a small 30x30x30 liver geometry (fast simulation)
    println!("Step 1: Creating liver geometry with tumor...");
    let mut geometry = OrganGeometry::new([30, 30, 30], [1.0, 1.0, 1.0]);

    // Fill interior with liver tissue
    for z in 5..25 {
        for y in 5..25 {
            for x in 5..25 {
                geometry.set_label(x, y, z, TissueLabel::from(TissueType::Liver));
            }
        }
    }

    // Add spherical tumor at center
    geometry.create_sphere(
        [15.0, 15.0, 15.0],
        4.0,
        TissueLabel::from(TissueType::Tumor),
    );

    // Print statistics
    let histogram = geometry.tissue_histogram();
    let liver_voxels = histogram.get(&TissueType::Liver).copied().unwrap_or(0);
    let tumor_voxels = histogram.get(&TissueType::Tumor).copied().unwrap_or(0);

    println!("  Grid: 30x30x30 voxels @ 1mm resolution");
    println!(
        "  Liver: {} voxels (~{:.1} cm³)",
        liver_voxels,
        liver_voxels as f32 / 1000.0
    );
    println!(
        "  Tumor: {} voxels (~{:.1} cm³)\n",
        tumor_voxels,
        tumor_voxels as f32 / 1000.0
    );

    // Create digital twin
    println!("Step 2: Initializing digital twin...");
    let mut twin = DigitalTwin::new(geometry);
    println!("  Digital twin ready\n");

    // Run baseline (no intervention)
    println!("Step 3: Running baseline simulation...");
    let baseline = twin.simulate_baseline().expect("Baseline failed");
    println!("  Baseline max temp: {:.1}°C", baseline.max_temperature);
    println!("  Converged in {} iterations\n", baseline.iterations);

    // Plan RFA intervention
    println!("Step 4: Planning RFA intervention...");
    let probe = AblationProbe::new([15.0, 15.0, 15.0], 40.0)
        .with_type(InterventionType::RadiofrequencyAblation)
        .with_active_length(10.0)
        .with_diameter(4.0);

    println!("  Probe position: center of tumor");
    println!("  Power: 40 W");
    println!("  Active length: 10 mm\n");

    // What-if analysis
    println!("Step 5: Running what-if analysis (60 seconds)...");
    twin.reset_temperature();

    let result = twin.what_if(&probe, 60.0).expect("What-if failed");

    println!("  Max temperature: {:.1}°C", result.max_temperature);
    println!(
        "  Damaged volume: {:.1} mm³ ({:.2} cm³)",
        result.total_damaged_volume,
        result.total_damaged_volume / 1000.0
    );
    println!(
        "  Safety margin: {}",
        if result.safety_margin_ok {
            "OK"
        } else {
            "Review needed"
        }
    );
    println!("  Iterations: {}\n", result.iterations);

    // Display full report
    println!("Step 6: Clinical Report\n");
    println!("{}", result.report());

    println!("=== Simulation Complete ===\n");
}