hanzo-mining 1.1.21

use std::sync::Arc;
use tokio::sync::RwLock;
use serde::{Deserialize, Serialize};

pub mod bridge;
pub mod consensus;
pub mod evm;
pub mod ledger;
pub mod wallet;

pub use bridge::*;
pub use consensus::*;
pub use evm::*;
pub use ledger::*;
pub use wallet::*;

/// AI Mining configuration for Hanzo Node
/// Enables mining AI coins by offering GPU/CPU compute to the network
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct MiningConfig {
    // Network selection
    pub network: NetworkType,
    pub enabled: bool,
    pub auto_start: bool,

    // Compute offering
    pub offer_gpu: bool,
    pub offer_cpu: bool,
    pub max_gpu_usage: f32,  // 0.0 to 1.0
    pub max_cpu_usage: f32,  // 0.0 to 1.0
    pub reserved_ram_gb: f32, // RAM to keep free

    // Mining wallet
    pub wallet_address: String,
    pub wallet_private_key: Option<String>, // Encrypted

    // Earnings & rewards
    pub payout_threshold: f64,
    pub auto_withdraw: bool,
    pub withdrawal_address: Option<String>,

    // Performance settings
    pub benchmark_on_start: bool,
    pub adaptive_performance: bool,
    pub min_job_reward: f64, // Minimum AI coin reward to accept job

    // Connection settings
    pub rpc_endpoints: Vec<String>,
    pub p2p_port: u16,
    pub api_port: u16,
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
pub enum NetworkType {
    HanzoMainnet,     // hanzo.network - Main AI network
    HanzoTestnet,     // hanzo-test.network - Test network
    ZooMainnet,       // zoo.network - Zoo mainnet with AI protocol
    ZooTestnet,       // zoo-test.network - Zoo testnet
    Custom(String),   // Custom network endpoint
}

impl NetworkType {
    pub fn rpc_endpoint(&self) -> String {
        match self {
            Self::HanzoMainnet => "https://rpc.hanzo.network".to_string(),
            Self::HanzoTestnet => "https://rpc.hanzo-test.network".to_string(),
            Self::ZooMainnet => "https://rpc.zoo.network".to_string(),
            Self::ZooTestnet => "https://rpc.zoo-test.network".to_string(),
            Self::Custom(endpoint) => endpoint.clone(),
        }
    }

    pub fn chain_id(&self) -> u64 {
        match self {
            Self::HanzoMainnet => 36963,  // Hanzo mainnet chain ID
            Self::HanzoTestnet => 36964,  // Hanzo testnet chain ID
            Self::ZooMainnet => 200200,   // Zoo mainnet chain ID
            Self::ZooTestnet => 200201,   // Zoo testnet chain ID
            Self::Custom(_) => 0,
        }
    }

    pub fn native_token(&self) -> &str {
        match self {
            Self::HanzoMainnet | Self::HanzoTestnet => "HAI",  // Hanzo AI coin
            Self::ZooMainnet | Self::ZooTestnet => "ZOO",      // Zoo coin
            Self::Custom(_) => "TOKEN",
        }
    }
}

impl Default for MiningConfig {
    fn default() -> Self {
        Self {
            network: NetworkType::HanzoMainnet,
            enabled: true,
            auto_start: true,

            offer_gpu: true,
            offer_cpu: true,
            max_gpu_usage: 0.8,  // Use up to 80% GPU
            max_cpu_usage: 0.6,  // Use up to 60% CPU
            reserved_ram_gb: 4.0, // Keep 4GB RAM free

            wallet_address: String::new(),
            wallet_private_key: None,

            payout_threshold: 10.0,  // Withdraw after 10 AI coins
            auto_withdraw: true,
            withdrawal_address: None,

            benchmark_on_start: true,
            adaptive_performance: true,
            min_job_reward: 0.001,  // Accept jobs paying at least 0.001 AI coins

            rpc_endpoints: vec![
                "https://rpc.hanzo.network".to_string(),
                "https://rpc2.hanzo.network".to_string(),
            ],
            p2p_port: 3691,  // P2P consensus port (3690 + 1)
            api_port: 3690,   // Main hanzod API port
        }
    }
}

/// AI Mining Manager - handles compute job execution and rewards
pub struct MiningManager {
    config: Arc<RwLock<MiningConfig>>,
    is_mining: Arc<RwLock<bool>>,
    current_jobs: Arc<RwLock<Vec<ComputeJob>>>,
    total_earned: Arc<RwLock<f64>>,
    performance_stats: Arc<RwLock<PerformanceStats>>,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ComputeJob {
    pub job_id: String,
    pub job_type: JobType,
    pub requester: String,
    pub reward: f64,
    pub deadline: u64,
    pub input_data: Vec<u8>,
    pub status: JobStatus,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub enum JobType {
    Embedding(EmbeddingJob),
    Reranking(RerankingJob),
    Inference(InferenceJob),
    Training(TrainingJob),
    Custom(Vec<u8>),
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct EmbeddingJob {
    pub model: String,
    pub texts: Vec<String>,
    pub batch_size: usize,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct RerankingJob {
    pub model: String,
    pub query: String,
    pub documents: Vec<String>,
    pub top_k: usize,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct InferenceJob {
    pub model: String,
    pub prompt: String,
    pub max_tokens: usize,
    pub temperature: f32,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct TrainingJob {
    pub model: String,
    pub dataset_url: String,
    pub epochs: usize,
    pub checkpoint_interval: usize,
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
pub enum JobStatus {
    Pending,
    Running,
    Completed,
    Failed,
    Cancelled,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct PerformanceStats {
    pub gpu_tflops: f32,
    pub cpu_gflops: f32,
    pub ram_gb: f32,
    pub vram_gb: f32,
    pub network_mbps: f32,
    pub jobs_completed: u64,
    pub jobs_failed: u64,
    pub uptime_hours: f64,
    pub reputation_score: f64,
}

impl MiningManager {
    pub fn new(config: MiningConfig) -> Self {
        Self {
            config: Arc::new(RwLock::new(config)),
            is_mining: Arc::new(RwLock::new(false)),
            current_jobs: Arc::new(RwLock::new(Vec::new())),
            total_earned: Arc::new(RwLock::new(0.0)),
            performance_stats: Arc::new(RwLock::new(PerformanceStats::default())),
        }
    }

    /// Start mining on the configured network
    pub async fn start_mining(&self) -> Result<(), Box<dyn std::error::Error>> {
        let config = self.config.read().await;

        if !config.enabled {
            return Err("Mining is disabled in config".into());
        }

        println!("🚀 Starting AI mining on {}", config.network.rpc_endpoint());
        println!("⛏️  Offering: GPU={}, CPU={}", config.offer_gpu, config.offer_cpu);
        println!("💰 Wallet: {}", config.wallet_address);

        *self.is_mining.write().await = true;

        // Connect to network
        self.connect_to_network(&config).await?;

        // Benchmark if needed
        if config.benchmark_on_start {
            self.run_benchmark().await?;
        }

        // Start job listener
        self.start_job_listener().await;

        Ok(())
    }

    /// Stop mining
    pub async fn stop_mining(&self) -> Result<(), Box<dyn std::error::Error>> {
        println!("⛔ Stopping AI mining...");
        *self.is_mining.write().await = false;

        // Cancel current jobs
        let mut jobs = self.current_jobs.write().await;
        for job in jobs.iter_mut() {
            job.status = JobStatus::Cancelled;
        }

        Ok(())
    }

    /// Connect to the blockchain network
    async fn connect_to_network(&self, config: &MiningConfig) -> Result<(), Box<dyn std::error::Error>> {
        println!("🔗 Connecting to {} network...", match &config.network {
            NetworkType::HanzoMainnet => "Hanzo Mainnet",
            NetworkType::HanzoTestnet => "Hanzo Testnet",
            NetworkType::ZooMainnet => "Zoo Mainnet",
            NetworkType::ZooTestnet => "Zoo Testnet",
            NetworkType::Custom(url) => url,
        });

        // TODO: Implement actual blockchain connection
        // This would connect to the RPC endpoint and register as a compute provider

        Ok(())
    }

    /// Run performance benchmark
    async fn run_benchmark(&self) -> Result<(), Box<dyn std::error::Error>> {
        println!("📊 Running performance benchmark...");

        let mut stats = self.performance_stats.write().await;

        // Detect GPU
        if self.config.read().await.offer_gpu {
            stats.gpu_tflops = self.benchmark_gpu().await?;
            println!("  GPU: {:.2} TFLOPS", stats.gpu_tflops);
        }

        // Benchmark CPU
        if self.config.read().await.offer_cpu {
            stats.cpu_gflops = self.benchmark_cpu().await?;
            println!("  CPU: {:.2} GFLOPS", stats.cpu_gflops);
        }

        // Check RAM
        stats.ram_gb = self.get_available_ram();
        println!("  RAM: {:.2} GB available", stats.ram_gb);

        // Check VRAM
        if self.config.read().await.offer_gpu {
            stats.vram_gb = self.get_available_vram();
            println!("  VRAM: {:.2} GB available", stats.vram_gb);
        }

        // Test network speed
        stats.network_mbps = self.benchmark_network().await?;
        println!("  Network: {:.2} Mbps", stats.network_mbps);

        Ok(())
    }

    /// Start listening for compute jobs
    async fn start_job_listener(&self) {
        let is_mining = self.is_mining.clone();
        let _current_jobs = self.current_jobs.clone();
        let config = self.config.clone();

        tokio::spawn(async move {
            while *is_mining.read().await {
                // Poll for new jobs from the network
                // This would connect to the P2P network or smart contract

                // Simulate receiving a job
                tokio::time::sleep(tokio::time::Duration::from_secs(10)).await;

                // Check if we should accept jobs
                let cfg = config.read().await;
                if !cfg.enabled {
                    continue;
                }

                // TODO: Implement actual job fetching from blockchain
                // For now, this is a placeholder

                println!("👀 Checking for new compute jobs...");
            }
        });
    }

    /// Execute a compute job
    pub async fn execute_job(&self, job: ComputeJob) -> Result<Vec<u8>, Box<dyn std::error::Error>> {
        println!("🔧 Executing job: {}", job.job_id);

        let result = match job.job_type {
            JobType::Embedding(ref params) => {
                self.execute_embedding_job(params).await?
            }
            JobType::Reranking(ref params) => {
                self.execute_reranking_job(params).await?
            }
            JobType::Inference(ref params) => {
                self.execute_inference_job(params).await?
            }
            JobType::Training(ref params) => {
                self.execute_training_job(params).await?
            }
            JobType::Custom(ref data) => {
                self.execute_custom_job(data).await?
            }
        };

        // Update stats
        let mut stats = self.performance_stats.write().await;
        stats.jobs_completed += 1;

        // Add to earnings
        *self.total_earned.write().await += job.reward;
        println!("💰 Earned {} {} for job {}", job.reward,
            self.config.read().await.network.native_token(), job.job_id);

        Ok(result)
    }

    async fn execute_embedding_job(&self, params: &EmbeddingJob) -> Result<Vec<u8>, Box<dyn std::error::Error>> {
        // TODO: Use hanzo-engine to generate embeddings
        println!("  Generating embeddings with model: {}", params.model);
        Ok(vec![])
    }

    async fn execute_reranking_job(&self, params: &RerankingJob) -> Result<Vec<u8>, Box<dyn std::error::Error>> {
        // TODO: Use hanzo-engine for reranking
        println!("  Reranking {} documents", params.documents.len());
        Ok(vec![])
    }

    async fn execute_inference_job(&self, params: &InferenceJob) -> Result<Vec<u8>, Box<dyn std::error::Error>> {
        // TODO: Use hanzo-engine for inference
        println!("  Running inference with model: {}", params.model);
        Ok(vec![])
    }

    async fn execute_training_job(&self, params: &TrainingJob) -> Result<Vec<u8>, Box<dyn std::error::Error>> {
        // TODO: Use hanzo-engine for training
        println!("  Training model: {} for {} epochs", params.model, params.epochs);
        Ok(vec![])
    }

    async fn execute_custom_job(&self, data: &[u8]) -> Result<Vec<u8>, Box<dyn std::error::Error>> {
        println!("  Executing custom job ({} bytes)", data.len());
        Ok(vec![])
    }

    /// Get mining statistics
    pub async fn get_stats(&self) -> MiningStats {
        MiningStats {
            is_mining: *self.is_mining.read().await,
            network: self.config.read().await.network.clone(),
            total_earned: *self.total_earned.read().await,
            current_jobs: self.current_jobs.read().await.len(),
            performance: self.performance_stats.read().await.clone(),
        }
    }

    // Benchmark helpers
    async fn benchmark_gpu(&self) -> Result<f32, Box<dyn std::error::Error>> {
        // TODO: Actual GPU benchmark using hanzo-engine
        Ok(15.7) // Example: 15.7 TFLOPS for RTX 3080
    }

    async fn benchmark_cpu(&self) -> Result<f32, Box<dyn std::error::Error>> {
        // TODO: Actual CPU benchmark
        Ok(450.0) // Example: 450 GFLOPS
    }

    fn get_available_ram(&self) -> f32 {
        // TODO: Get actual available RAM
        16.0 // Example: 16 GB
    }

    fn get_available_vram(&self) -> f32 {
        // TODO: Get actual VRAM from GPU
        10.0 // Example: 10 GB for RTX 3080
    }

    async fn benchmark_network(&self) -> Result<f32, Box<dyn std::error::Error>> {
        // TODO: Actual network speed test
        Ok(100.0) // Example: 100 Mbps
    }
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct MiningStats {
    pub is_mining: bool,
    pub network: NetworkType,
    pub total_earned: f64,
    pub current_jobs: usize,
    pub performance: PerformanceStats,
}

impl Default for PerformanceStats {
    fn default() -> Self {
        Self {
            gpu_tflops: 0.0,
            cpu_gflops: 0.0,
            ram_gb: 0.0,
            vram_gb: 0.0,
            network_mbps: 0.0,
            jobs_completed: 0,
            jobs_failed: 0,
            uptime_hours: 0.0,
            reputation_score: 100.0,
        }
    }
}

/// Initialize mining with default settings
pub async fn init_mining() -> Result<MiningManager, Box<dyn std::error::Error>> {
    let config_path = dirs::home_dir()
        .expect("Could not find home directory")
        .join(".hanzo/config/mining.toml");

    let config = if config_path.exists() {
        let contents = std::fs::read_to_string(&config_path)?;
        toml::from_str(&contents)?
    } else {
        let config = MiningConfig::default();
        std::fs::create_dir_all(config_path.parent().unwrap())?;
        std::fs::write(&config_path, toml::to_string_pretty(&config)?)?;
        config
    };

    let manager = MiningManager::new(config);

    if manager.config.read().await.auto_start {
        let _ = manager.start_mining().await;
    }

    Ok(manager)
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_network_endpoints() {
        assert_eq!(NetworkType::HanzoMainnet.rpc_endpoint(), "https://rpc.hanzo.network");
        assert_eq!(NetworkType::ZooMainnet.rpc_endpoint(), "https://rpc.zoo.network");
        assert_eq!(NetworkType::HanzoMainnet.native_token(), "HAI");
        assert_eq!(NetworkType::ZooMainnet.native_token(), "ZOO");
        assert_eq!(NetworkType::HanzoMainnet.chain_id(), 36963);
        assert_eq!(NetworkType::ZooMainnet.chain_id(), 200200);
    }

    #[tokio::test]
    async fn test_mining_manager() {
        let config = MiningConfig {
            enabled: false, // Don't actually start mining in tests
            ..Default::default()
        };

        let manager = MiningManager::new(config);
        let stats = manager.get_stats().await;
        assert!(!stats.is_mining);
        assert_eq!(stats.total_earned, 0.0);
    }
}