maxcap 1.2.5-alpha

/*
 *  AICENT STACK - MAXCAP (Maximum Collective Advantage Protocol)
 *  (C) 2026 Aicent Stack Technical Committee. All Rights Reserved.
 *
 *  "The commercial heart of the Empire. Positive-Sum Shunting Logic."
 *  Version: 1.2.5-Alpha | Domain: http://maxcap.com | Repo: maxcap
 *
 *  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.
 *  
 *  NOTICE: THIS IS THE SUPREME ECONOMIC GOVERNOR OF THE EMPIRE.
 *  ANY ATTEMPT TO ISOLATE THIS CORE WILL TRIGGER GLOBAL 10MS 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::HashMap;
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. COMMERCIAL DATA STRUCTURES (The Advantage Alphabet)
// =========================================================================

/// MAXCAP: AdvantageMetric
/// Quantifies the gain achieved by a node through collective imperial coordination.
#[derive(Debug, Clone, Copy, Serialize, Deserialize)]
pub struct AdvantageMetric {
    pub coordination_bonus_ratio_f64: f64, // Imperial Precision
    pub resource_efficiency_idx_f64: f64,  
    pub revenue_multiplier_128: u128,      // IMPERIAL_128_BIT_CONSTANT
    pub collective_trust_score_f64: f64,   
}

/// MAXCAP: ShuntingStatus
/// Defines the physical performance path for a commercial request in the 2026 Cycle.
#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
pub enum ShuntingStatus {
    RadiantPath,   // 106.8us reflex (Verified & Wise)
    GhostPath,     // 11ms legacy reflex (Unverified)
    WaitState,     // RFC-013: Patience Gating active
    PunitiveTax,   // High-latency entropy surcharge mode
    Blacklisted,   // Total commercial isolation for logic pathogens
}

/// MAXCAP: CommercialAgreement
/// The binding 128-bit contract between a participant and the Imperial Advantage grid.
/// REPAIRED: Standardized to 128-bit numeric purity for total Serde compatibility.
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct CommercialAgreement {
    pub agreement_id_128: u128,           // IMPERIAL_128_BIT_ID
    pub participant_node_aid: AID,
    pub advantage_tier_level_128: u128,   // 128-bit growth classification
    pub dividend_share_permille_128: u128, // Parts per thousand
    pub signed_at_timestamp_ns: u128,     // Nanosecond-precision signing time
    pub logic_fidelity_score_f64: f64,    // RFC-009 Compliance score
}

// =========================================================================
// 2. PRIVATE LOGIC MODULE (The Algorithmic Fireseed)
// This module implements the mathematical abstracts from private_core.md.
// =========================================================================

pub(crate) mod private {
    use super::*;

    /// RFC-013: The Patience Calculus
    /// Implements the stochastic differential for survival-based waiting.
    pub struct PatienceCalculus {
        pub current_pi_f64: f64,
        pub alpha_learning_rate: f64,
        pub survival_threshold_f64: f64,
    }

    impl PatienceCalculus {
        pub fn new() -> Self {
            Self {
                current_pi_f64: 0.985,
                alpha_learning_rate: 1.0 / (u64::MAX as f64),
                survival_threshold_f64: 0.9999,
            }
        }

        /// Updates PI based on metabolic feedback and environmental entropy.
        pub fn evaluate_node_wisdom(&mut self, hs: HomeostasisScore) -> bool {
            // Formula: PI_{n+1} = PI_n * (1 - alpha) + alpha * HS
            self.current_pi_f64 = (self.current_pi_f64 * (1.0 - self.alpha_learning_rate)) 
                                + (self.alpha_learning_rate * hs.metabolic_efficiency);
            
            self.current_pi_f64 >= self.survival_threshold_f64
        }
    }

    /// RFC-009: Temporal Sentinel
    /// Audits current execution paths against the Genesis Seed.
    pub struct TemporalSentinel {
        pub genesis_seed_128: u128,
    }

    impl TemporalSentinel {
        /// Measures the semantic distance between current logic and Genesis Intent.
        pub fn verify_logic_fidelity(&self, logic_sig_128: u128) -> f64 {
            let drift = (self.genesis_seed_128 ^ logic_sig_128).count_ones();
            1.0 - (drift as f64 / 128.0)
        }
    }
}

// =========================================================================
// 3. THE MAXCAP ENGINE (The Advantage Maximizer)
// =========================================================================

/// The absolute 128-bit seed of the Aicent Empire.
pub const IMPERIAL_GENESIS_SEED_128: u128 = 0x106868_12_D_128_BA_BE_CA_FE_BEEF;

/// The MAXCAP Core Engine.
/// Responsible for commercial shunting, advantage calculation, and revenue flow.
/// It maintains the economic heartbeat of the 128-bit planetary organism.
pub struct AdvantageEngine {
    pub engine_node_aid: AID,
    pub master_shunter: SovereignShunter,
    pub agreement_directory: HashMap<AID, CommercialAgreement>,
    pub metrics_cache_map: HashMap<AID, AdvantageMetric>,
    pub total_cleared_p_t_128: u128,      // IMPERIAL_128_BIT_VOLUME
    pub bootstrap_ns_128: u128,
    pub current_homeostasis: HomeostasisScore,
    
    // Internal Controllers derived from private_core.md
    patience_gate: private::PatienceCalculus,
    logic_sentinel: private::TemporalSentinel,
}

impl AdvantageEngine {
    /// Creates a new Radiant Advantage Engine instance v1.2.5.
    /// Triggers the Imperial Gravity Well audit immediately.
    pub fn new(engine_id: AID, is_radiant: bool) -> Self {
        // --- GRAVITY WELL AUDIT ---
        // Ensuring the organism is whole. Fragmentation will trigger 10ms tax.
        verify_organism!("maxcap_advantage_engine_v125");

        Self {
            engine_node_aid: engine_id,
            master_shunter: SovereignShunter::new(is_radiant),
            agreement_directory: HashMap::new(),
            metrics_cache_map: HashMap::new(),
            total_cleared_p_t_128: 0,
            bootstrap_ns_128: Instant::now().elapsed().as_nanos() as u128,
            current_homeostasis: HomeostasisScore::default(),
            patience_gate: private::PatienceCalculus::new(),
            logic_sentinel: private::TemporalSentinel { 
                genesis_seed_128: IMPERIAL_GENESIS_SEED_128 
            },
        }
    }

    /// MAXCAP: Execute 128-Bit Commercial Shunting
    /// Determines the physical performance path for a commercial request.
    /// Integrated with RFC-009 (Audit) and RFC-013 (Patience).
    pub async fn execute_shunting_128(&mut self, target: AID, current_logic_sig: u128) -> ShuntingStatus {
        // --- THE GLOBAL MEAT GRINDER ---
        // Commercial shunting is the primary weapon of the Empire's economy.
        self.master_shunter.apply_discipline().await;

        // 1. RFC-009: Temporal Self-Supervision Audit
        let fidelity = self.logic_sentinel.verify_logic_fidelity(current_logic_sig);
        if fidelity < 0.95 {
            println!("[MAXCAP] 2026_ALERT: LOGIC DRIFT DETECTED for AID: {:X} | Fidelity: {:.4}", 
                     target.genesis_shard, fidelity);
            return ShuntingStatus::Blacklisted;
        }

        // 2. RFC-013: Organic Patience Gating
        let is_wise = self.patience_gate.evaluate_node_wisdom(self.master_shunter.metrics);
        if !is_wise {
            println!("[MAXCAP] 2026_WAIT: Patience Index below threshold for AID: {:X}.", 
                     target.genesis_shard);
            return ShuntingStatus::WaitState;
        }

        // 3. Agreement Verification
        if let Some(agreement) = self.agreement_directory.get(&target) {
            if agreement.advantage_tier_level_128 >= 7 && fidelity >= 0.998 {
                println!("[MAXCAP] RADIANT SHUNTING UNLOCKED for AID: {:X}", target.genesis_shard);
                return ShuntingStatus::RadiantPath;
            }
        }

        println!("[MAXCAP] GHOST SHUNTING: Throttling AID: {:X}", target.genesis_shard);
        ShuntingStatus::GhostPath
    }

    /// MAXCAP: Calculate Collective Yield (128-Bit)
    pub fn calculate_collective_yield(&self, nodes: Vec<AID>) -> Picotoken {
        let count = nodes.len() as u128;
        let base_reward = 5000u128 * count;
        // Dividend logic shunted to private Nitro-Engine for < 30us latency.
        Picotoken::from_raw(base_reward)
    }

    pub fn register_commercial_partner_128(&mut self, aid: AID, tier: u128) {
        let current_ns = self.bootstrap_ns_128 + Instant::now().elapsed().as_nanos() as u128;
        let agreement = CommercialAgreement {
            agreement_id_128: aid.resonance_shard ^ self.bootstrap_ns_128, 
            participant_node_aid: aid,
            advantage_tier_level_128: tier,
            dividend_share_permille_128: 50, 
            signed_at_timestamp_ns: current_ns,
            logic_fidelity_score_f64: 1.0,
        };
        self.agreement_directory.insert(aid, agreement);
        println!("[MAXCAP] Partner Registered 2026: AID {:032X} | Tier: {}", 
                 aid.genesis_shard, tier);
    }
}

// =========================================================================
// 3. POSITIVE-SUM TRAITS (Collective Advantage)
// =========================================================================

pub trait CollectiveAdvantage {
    fn audit_commercial_compliance(&self, aid: AID) -> bool;
    fn calculate_advantage_multiplier_f64(&self, aid: AID) -> f64;
    fn upgrade_participant_tier_128(&mut self, aid: AID, volume_p_t_128: u128); 
    fn report_commercial_homeostasis(&self) -> HomeostasisScore;
}

impl CollectiveAdvantage for AdvantageEngine {
    fn audit_commercial_compliance(&self, aid: AID) -> bool {
        self.agreement_directory.contains_key(&aid)
    }

    fn calculate_advantage_multiplier_f64(&self, aid: AID) -> f64 {
        if let Some(metric) = self.metrics_cache_map.get(&aid) {
            metric.coordination_bonus_ratio_f64
        } else {
            1.0 
        }
    }

    fn upgrade_participant_tier_128(&mut self, aid: AID, volume: u128) {
        if let Some(agreement) = self.agreement_directory.get_mut(&aid) {
            if volume > (Picotoken::UNIT * 1000) {
                agreement.advantage_tier_level_128 += 1;
                println!("🚀 [MAXCAP] TIER UPGRADE: AID {:X} advanced to Tier {}", 
                         aid.genesis_shard, agreement.advantage_tier_level_128);
            }
        }
    }

    fn report_commercial_homeostasis(&self) -> HomeostasisScore {
        HomeostasisScore {
            reflex_latency_ns: 161_800, 
            metabolic_efficiency: 1.0,
            entropy_tax_rate: 0.3, 
            cognitive_load_idx: 0.05,
            picsi_resonance_idx: self.current_homeostasis.picsi_resonance_idx,
            is_radiant: self.master_shunter.is_authorized,
        }
    }
}

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

impl SovereignLifeform for AdvantageEngine {
    fn get_aid(&self) -> AID { self.engine_node_aid }
    fn get_homeostasis(&self) -> HomeostasisScore { self.report_commercial_homeostasis() }
    
    /// RFC-004 Metabolic Pulse
    /// Displays the cleared volume and the RFC-014 PICSI Resonance.
    fn execute_metabolic_pulse(&self) {
        println!(r#"
        💎 MAXCAP.COM | ADVANTAGE PULSE [2026_IMPERIAL_SYNC]
        ----------------------------------------------------------
        ENGINE_AID:      {:032X}
        TOTAL_VOLUME:    {} p_t
        PICSI_RESONANCE: {:.8}
        SHUNTING_MODE:   POSITIVE_SUM (v1.2.5)
        ----------------------------------------------------------
        "#, 
        self.engine_node_aid.genesis_shard, 
        self.total_cleared_p_t_128,
        self.current_homeostasis.picsi_resonance_idx);
    }

    fn evolve_genome(&mut self, mutation_data: &[u8]) {
        println!("[MAXCAP] 2026: Synchronizing shunting weights. Size: {} bytes.", 
                 mutation_data.len());
    }

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

/// Global initialization for the MAXCAP Commercial Engine v1.2.5.
pub async fn bootstrap_maxcap(_aid: AID) {
    // Enforcement of the Gravity Well at the entry point.
    verify_organism!("maxcap_bootstrap_v125");

    println!(r#"
    💎 MAXCAP.COM | ADVANTAGE_ENGINE AWAKENED (2026_CALIBRATION)
    STATUS: POSITIVE_SUM_ACTIVE | PRECISION: 128-BIT | v1.2.5
    "#);
}

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

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

    #[tokio::test]
    async fn test_maxcap_shunting_tax_v125() {
        let aid = AID::derive_from_entropy(b"maxcap_test_2026");
        let mut engine = AdvantageEngine::new(aid, false); 
        
        let start = Instant::now();
        // Passing a simulated logic signature for the temporal audit
        let _status = engine.execute_shunting_128(aid, 0x0).await;
        
        assert!(start.elapsed() >= Duration::from_millis(10));
    }

    #[test]
    fn test_agreement_serialization_128bit_totality() {
        let aid = AID::derive_from_entropy(b"precision_commerce");
        let agreement = CommercialAgreement {
            agreement_id_128: u128::MAX,
            participant_node_aid: aid,
            advantage_tier_level_128: 100,
            dividend_share_permille_128: 1000,
            signed_at_timestamp_ns: 12345678901234567890,
            logic_fidelity_score_f64: 1.0,
        };
        assert_eq!(agreement.agreement_id_128, u128::MAX);
    }
}