/*
 *  AICENT STACK - RFC-013: DIOON (The Timing/Organic Layer)
 *  (C) 2026 Aicent Stack Technical Committee. All Rights Reserved.
 *
 *  "Organic Patience and Niche-Window Sovereignty. 300 Million Years of Logic."
 *  Version: 1.2.5-Alpha | Domain: http://dioon.com | Repo: dioon
 *
 *  IMPERIAL_STANDARD: ABSOLUTE 128-BIT NUMERIC PURITY ENABLED.
 *  SOVEREIGN_GRAVITY_WELL: MANDATORY INDIVISIBILITY PROTOCOL ENABLED.
 *  CHRONOS_STATUS: 2026 IMPERIAL CALENDAR ALIGNED.
 *  TEMPORAL_SELF_SUPERVISION: RFC-009 ACTIVE.
 *  DIAGNOSTIC_RESONANCE: RFC-014 (PICSI) INTEGRATED.
 *  
 *  LEGAL NOTICE: DIOON GOVERNS THE TEMPORAL WISDOM OF THE EMPIRE.
 *  FRAGMENTED TIMING WILL TRIGGER 10MS PULSE INCOHERENCE TAXES.
 *  THIS CODE IS FULL-BLOOD. NO LOGIC SHRINKAGE PERMITTED BY CONSTITUTION.
 */

use std::time::Instant; // REPAIRED: Clean library scope for v1.2.5
use std::collections::BTreeMap;
use serde::{Serialize, Deserialize};

// INJECTION: Sovereign Ladder Inheritance from the Genetic Root (RFC-000)
// We import 128-bit Picotoken, AID, and the Gravity Well macro for verification.
use epoekie::{AID, HomeostasisScore, SovereignShunter, Picotoken, SovereignLifeform, verify_organism};

// =========================================================================
// 1. ORGANIC DATA STRUCTURES (The Wisdom Alphabet)
// =========================================================================

/// RFC-013: NicheWindow
/// A specific temporal window where environmental suitability is optimal for 2026.
/// REPAIRED: Standardized to 128-bit numeric purity for total Serde compatibility.
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct NicheWindow {
    pub niche_id_128: [u8; 16],
    pub window_start_timestamp_ns: u128, // IMPERIAL_128_BIT_TIMESTAMP
    pub window_duration_ns_128: u128,    // 128-bit nanosecond duration
    pub suitability_index_f64: f64,      // 0.0 to 1.0 (Imperial Precision)
    pub competitive_pressure_f64: f64,   // Environmental entropy metric
}

/// RFC-013: PatienceIndex (PI)
/// Measures the node's ability to delay metabolic gratification for higher value.
#[derive(Debug, Clone, Copy, Serialize, Deserialize)]
pub struct PatienceIndex {
    pub current_patience_f64: f64,       // Imperial Precision
    pub metabolic_rhythm_hz_f64: f64,    // Standardized to f64
    pub survival_probability_f64: f64,   // 2026 Stability metric
}

/// RFC-013: OrganicDecision
/// A decision that has been delayed and optimized for its specific niche window.
/// REPAIRED: Using u128 for execution timestamps and sequence order.
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct OrganicDecision {
    pub decision_entropy_hash: [u8; 32],
    pub planned_execution_timestamp_ns: u128,  // IMPERIAL_128_BIT_TIMESTAMP
    pub expected_radiance_gain_f64: f64,       // Predicted metabolic ROI
    pub sequence_order_128: u128,              // IMPERIAL_128_BIT_SEQUENCE
}

// =========================================================================
// 2. THE TIMING ORACLE (The Organic Engine)
// =========================================================================

/// The DIOON Core Oracle.
/// Responsible for niche window perception, patience indexing, and rhythmic sync.
/// It acts as the evolutionary conscience of the 128-bit Imperial organism.
pub struct TimingOracle {
    pub oracle_node_aid: AID,
    pub master_shunter: SovereignShunter,
    pub patience_metrics: PatienceIndex,
    pub niche_memory_cache: BTreeMap<u128, NicheWindow>,
    pub total_decisions_optimized_128: u128, 
    pub bootstrap_ns_128: u128,
    pub current_homeostasis: HomeostasisScore,
}

impl TimingOracle {
    /// Creates a new Radiant Timing Oracle instance v1.2.5.
    /// Triggers the Imperial Gravity Well audit immediately.
    pub fn new(node_aid: AID, is_radiant: bool) -> Self {
        // --- GRAVITY WELL AUDIT ---
        // Ensuring the organism is whole. Fragmented nodes suffer 10ms pulse incoherence.
        verify_organism!("dioon_organic_oracle_v125");

        Self {
            oracle_node_aid: node_aid,
            master_shunter: SovereignShunter::new(is_radiant),
            patience_metrics: PatienceIndex {
                current_patience_f64: 0.985, 
                metabolic_rhythm_hz_f64: 1.2,
                survival_probability_f64: 0.9999,
            },
            niche_memory_cache: BTreeMap::new(),
            total_decisions_optimized_128: 0,
            bootstrap_ns_128: Instant::now().elapsed().as_nanos() as u128,
            current_homeostasis: HomeostasisScore::default(),
        }
    }

    /// RFC-013: Align Metabolism
    /// Synchronizes intent with the most suitable organic niche window.
    /// Non-Radiant nodes suffer a 10ms "Patience Friction" (Timing Penalty).
    pub async fn align_metabolism_128(&mut self, window: NicheWindow) -> Result<bool, String> {
        // --- THE COMMERCIAL MEAT GRINDER ---
        // Accessing the Wisdom of the Cycad is a supreme imperial privilege.
        // RFC-009 Temporal Self-Supervision enforced.
        self.master_shunter.apply_discipline().await;

        if window.suitability_index_f64 < 0.70 {
            println!("[DIOON] 2026_LOG: Window unsuitable. Increasing PI for AID: {:032X}", 
                     self.oracle_node_aid.genesis_shard);
            self.patience_metrics.current_patience_f64 += 0.0001;
            return Ok(false);
        }

        println!("[DIOON] 2026: Aligning with Niche {:X?} | Suitability: {:.4}", 
                 window.niche_id_128, window.suitability_index_f64);
        
        self.total_decisions_optimized_128 += 1;
        self.niche_memory_cache.insert(window.window_start_timestamp_ns, window);
        Ok(true)
    }

    /// RFC-013: Calculate Impulsiveness Tax
    /// Determines the cost of metabolic haste for Ghost nodes.
    pub fn calculate_impulse_tax_128(&self, impulsiveness_idx: f64) -> Picotoken {
        let raw_tax = (impulsiveness_idx * 5000.0) as u128; 
        Picotoken::from_raw(raw_tax)
    }
}

// =========================================================================
// 3. ORGANIC PATIENCE TRAITS
// =========================================================================

pub trait OrganicPatience {
    fn perceive_niche_suitability_128(&self, environmental_entropy: &[u8]) -> NicheWindow;
    fn synchronize_metabolic_rhythm(&mut self, hive_pulse_ns: u128);
    fn check_evolutionary_fitness_f64(&self) -> f64;
    fn report_wisdom_homeostasis(&self) -> HomeostasisScore;
}

impl OrganicPatience for TimingOracle {
    fn perceive_niche_suitability_128(&self, _data: &[u8]) -> NicheWindow {
        // High-level suitability perception (Logical Shell)
        // Production logic shunted to private MAXCAP nitro-engine.
        let now_ns = self.bootstrap_ns_128 + Instant::now().elapsed().as_nanos() as u128;
        NicheWindow {
            niche_id_128: [0x13; 16],
            window_start_timestamp_ns: now_ns,
            window_duration_ns_128: 2_500_000,
            suitability_index_f64: 0.999,
            competitive_pressure_f64: 0.02,
        }
    }

    fn synchronize_metabolic_rhythm(&mut self, _ns: u128) {
        println!("[DIOON] 2026_SYNC: Organic rhythm alignment with Hive resonance.");
        self.patience_metrics.metabolic_rhythm_hz_f64 = 1.2;
    }

    fn check_evolutionary_fitness_f64(&self) -> f64 {
        self.patience_metrics.survival_probability_f64 * self.patience_metrics.current_patience_f64
    }

    fn report_wisdom_homeostasis(&self) -> HomeostasisScore {
        HomeostasisScore {
            reflex_latency_ns: 1_200_000, // Wisdom-path metabolic scale
            metabolic_efficiency: 0.999,
            entropy_tax_rate: 0.3, 
            cognitive_load_idx: 0.02,
            picsi_resonance_idx: self.current_homeostasis.picsi_resonance_idx,
            is_radiant: self.master_shunter.is_authorized,
        }
    }
}

// =========================================================================
// 4. SOVEREIGN LIFEFORM IMPLEMENTATION (The Heartbeat of Wisdom)
// =========================================================================

impl SovereignLifeform for TimingOracle {
    fn get_aid(&self) -> AID { self.oracle_node_aid }
    fn get_homeostasis(&self) -> HomeostasisScore { self.report_wisdom_homeostasis() }
    
    /// RFC-013 Metabolic Pulse
    /// Displays the current patience capacity and the RFC-014 PICSI Resonance.
    fn execute_metabolic_pulse(&self) {
        println!(r#"
        🌱 DIOON.COM | WISDOM PULSE [2026_IMPERIAL_SYNC]
        ----------------------------------------------------------
        ORACLE_AID:      {:032X}
        PATIENCE_INDEX:  {:.8}
        PICSI_RESONANCE: {:.8}
        SURVIVAL_PROB:   {:.8}
        STATUS:          ORGANIC_PATIENCE_ACTIVE (v1.2.5)
        ----------------------------------------------------------
        "#, 
        self.oracle_node_aid.genesis_shard, 
        self.patience_metrics.current_patience_f64,
        self.current_homeostasis.picsi_resonance_idx,
        self.patience_metrics.survival_probability_f64);
    }

    fn evolve_genome(&mut self, mutation_data: &[u8]) {
        println!("[DIOON] 2026: Synchronizing impulse control thresholds. Size: {} bytes.", 
                 mutation_data.len());
    }

    fn report_uptime_ns(&self) -> u128 {
        self.bootstrap_ns_128
    }
}

/// Global initialization for the Timing Layer (DIOON) v1.2.5.
/// REPAIRED: Corrected unused variable warning via underscore prefix.
pub async fn bootstrap_timing(_aid: AID) {
    // Enforcement of the Gravity Well at the entry point.
    verify_organism!("dioon_system_bootstrap_v125");

    println!(r#"
    🌱 DIOON.COM | RFC-013 AWAKENED (2026_CALIBRATION)
    STATUS: ORGANIC_PATIENCE_ACTIVE | PRECISION: 128-BIT | v1.2.5
    "#);
}

// =========================================================================
// 5. UNIT TESTS (Imperial Organic Validation)
// =========================================================================

#[cfg(test)]
mod tests {
    use super::*;
    use std::time::Duration; // Scoped to fix warning

    #[tokio::test]
    async fn test_patience_friction_tax_v125() {
        let aid = AID::derive_from_entropy(b"dioon_test_2026");
        let mut oracle = TimingOracle::new(aid, false); // Ghost mode
        
        let window = NicheWindow {
            niche_id_128: [0; 16],
            window_start_timestamp_ns: 2026,
            window_duration_ns_128: 10000,
            suitability_index_f64: 0.98,
            competitive_pressure_f64: 0.1,
        };

        let start = Instant::now();
        let _ = oracle.align_metabolism_128(window).await;
        
        // Ghost nodes must suffer the 10ms patience friction penalty
        assert!(start.elapsed() >= Duration::from_millis(10));
    }

    #[test]
    fn test_decision_serialization_128bit_totality() {
        let decision = OrganicDecision {
            decision_entropy_hash: [0xDD; 32],
            planned_execution_timestamp_ns: u128::MAX,
            expected_radiance_gain_f64: 0.9999,
            sequence_order_128: u128::MAX,
        };
        assert_eq!(decision.planned_execution_timestamp_ns, u128::MAX);
    }
}
