//! Solana区块链智能体共识部署模块
//!
//! 将多智能体因果验证结果部署到Solana区块链

use anyhow::Result;
use serde::{Deserialize, Serialize};
use std::collections::HashMap;

/// 智能体共识结果结构
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct AgentConsensusResult {
    /// 共识ID
    pub consensus_id: String,
    /// 场景描述
    pub scenario: String,
    /// 干预措施
    pub intervention: String,
    /// 有效智能体列表
    pub valid_agents: Vec<String>,
    /// 异常智能体列表
    pub outliers: Vec<String>,
    /// 共识值
    pub consensus_value: f64,
    /// 因果图相似度
    pub consensus_similarity: f64,
    /// 通过率
    pub pass_rate: f64,
    /// 时间戳
    pub timestamp: i64,
    /// 合约版本
    pub contract_version: String,
    /// 智能体因果图数据
    pub agent_graphs: Vec<AgentGraphData>,
}

/// 单个智能体的因果图数据
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct AgentGraphData {
    /// 智能体ID
    pub agent_id: String,
    /// 模型类型
    pub model_type: String,
    /// 节点数量
    pub node_count: usize,
    /// 边数量
    pub edge_count: usize,
    /// 干预效应
    pub intervention_effect: f64,
    /// 基准预测
    pub base_prediction: f64,
    /// 置信度
    pub confidence: f64,
}

/// Solana交易结果
#[derive(Debug, Clone)]
pub struct SolanaTransactionResult {
    /// 交易哈希
    pub transaction_hash: String,
    /// 区块链浏览器链接
    pub explorer_url: String,
    /// 交易状态
    pub status: TransactionStatus,
    /// 错误信息（如果有）
    pub error_message: Option<String>,
    /// Gas费用
    pub gas_fee: u64,
}

/// 交易状态
#[derive(Debug, Clone)]
pub enum TransactionStatus {
    Success,
    Pending,
    Failed,
}

/// Solana区块链部署器
pub struct SolanaDeployer {
    /// RPC URL
    pub rpc_url: String,
    /// 钱包路径
    pub wallet_path: String,
    /// 程序ID
    pub program_id: String,
}

impl SolanaDeployer {
    /// 创建新的部署器
    pub fn new(rpc_url: String, wallet_path: String, program_id: String) -> Self {
        Self {
            rpc_url,
            wallet_path,
            program_id,
        }
    }

    /// 部署智能体共识结果到区块链
    pub async fn deploy_consensus_result(
        &self,
        consensus_result: &AgentConsensusResult,
    ) -> Result<SolanaTransactionResult> {
        println!("🌐 开始部署智能体共识到Solana区块链...");
        
        // 1. 序列化共识数据
        let serialized_data = serde_json::to_string(consensus_result)
            .map_err(|e| anyhow::anyhow!("序列化失败: {}", e))?;
        println!("   📝 序列化数据长度: {} 字节", serialized_data.len());
        
        // 2. 构建交易数据
        let transaction_data = self.build_transaction_data(consensus_result)
            .map_err(|e| anyhow::anyhow!("构建交易数据失败: {}", e))?;
        
        // 3. 模拟发送交易到Solana
        let transaction_result = self.simulate_transaction(&transaction_data).await
            .map_err(|e| anyhow::anyhow!("模拟交易失败: {}", e))?;
        
        match &transaction_result.status {
            TransactionStatus::Success => {
                println!("   ✅ 交易成功: {}", transaction_result.transaction_hash);
                println!("   🔗 区块链浏览器: {}", transaction_result.explorer_url);
            }
            TransactionStatus::Failed => {
                println!("   ❌ 交易失败: {:?}", transaction_result.error_message);
            }
            TransactionStatus::Pending => {
                println!("   ⏳ 交易待确认: {}", transaction_result.transaction_hash);
            }
        }
        
        Ok(transaction_result)
    }

    /// 构建交易数据
    fn build_transaction_data(&self, consensus_result: &AgentConsensusResult) -> Result<Vec<u8>> {
        let mut transaction_data = Vec::new();
        
        // 添加共识ID
        let consensus_id_bytes = consensus_result.consensus_id.as_bytes();
        transaction_data.extend_from_slice(&(consensus_id_bytes.len() as u32).to_le_bytes());
        transaction_data.extend_from_slice(consensus_id_bytes);
        
        // 添加场景描述
        let scenario_bytes = consensus_result.scenario.as_bytes();
        transaction_data.extend_from_slice(&(scenario_bytes.len() as u32).to_le_bytes());
        transaction_data.extend_from_slice(scenario_bytes);
        
        // 添加干预措施
        let intervention_bytes = consensus_result.intervention.as_bytes();
        transaction_data.extend_from_slice(&(intervention_bytes.len() as u32).to_le_bytes());
        transaction_data.extend_from_slice(intervention_bytes);
        
        // 添加共识值
        transaction_data.extend_from_slice(&consensus_result.consensus_value.to_le_bytes());
        
        // 添加相似度
        transaction_data.extend_from_slice(&consensus_result.consensus_similarity.to_le_bytes());
        
        // 添加通过率
        transaction_data.extend_from_slice(&consensus_result.pass_rate.to_le_bytes());
        
        // 添加时间戳
        transaction_data.extend_from_slice(&consensus_result.timestamp.to_le_bytes());
        
        // 添加智能体数量
        transaction_data.extend_from_slice(&(consensus_result.valid_agents.len() as u32).to_le_bytes());
        
        // 添加每个智能体的数据
        for agent in &consensus_result.valid_agents {
            let agent_bytes = agent.as_bytes();
            transaction_data.extend_from_slice(&(agent_bytes.len() as u32).to_le_bytes());
            transaction_data.extend_from_slice(agent_bytes);
        }
        
        Ok(transaction_data)
    }

    /// 模拟Solana交易
    async fn simulate_transaction(&self, _transaction_data: &[u8]) -> Result<SolanaTransactionResult> {
        // 模拟网络延迟
        tokio::time::sleep(tokio::time::Duration::from_millis(1500)).await;
        
        // 生成模拟交易哈希
        let timestamp = std::time::SystemTime::now()
            .duration_since(std::time::UNIX_EPOCH)?
            .as_secs();
        let transaction_hash = format!("solana_tx_{}", timestamp);
        
        // 构建区块链浏览器链接
        let explorer_url = format!("https://solscan.io/tx/{}", transaction_hash);
        
        // 模拟交易成功
        let transaction_result = SolanaTransactionResult {
            transaction_hash,
            explorer_url,
            status: TransactionStatus::Success,
            error_message: None,
            gas_fee: 5000, // 模拟Gas费用
        };
        
        Ok(transaction_result)
    }

    /// 查询链上共识结果
    pub async fn query_consensus_result(&self, consensus_id: &str) -> Result<Option<AgentConsensusResult>> {
        println!("🔍 查询链上共识结果: {}", consensus_id);
        
        // 模拟查询延迟
        tokio::time::sleep(tokio::time::Duration::from_millis(800)).await;
        
        // 这里应该从链上读取实际数据
        // 现在返回None表示未找到
        Ok(None)
    }

    /// 获取智能体历史记录
    pub async fn get_agent_history(&self, agent_id: &str) -> Result<Vec<String>> {
        println!("📊 获取智能体历史记录: {}", agent_id);
        
        // 模拟查询延迟
        tokio::time::sleep(tokio::time::Duration::from_millis(600)).await;
        
        // 返回模拟的历史交易哈希
        let history = vec![
            format!("solana_tx_{}_1", agent_id),
            format!("solana_tx_{}_2", agent_id),
            format!("solana_tx_{}_3", agent_id),
        ];
        
        Ok(history)
    }
}

/// 创建智能体共识结果
pub fn create_consensus_result(
    consensus_id: String,
    scenario: String,
    intervention: String,
    valid_agents: Vec<String>,
    outliers: Vec<String>,
    consensus_value: f64,
    consensus_similarity: f64,
    pass_rate: f64,
    agent_graphs: Vec<AgentGraphData>,
) -> AgentConsensusResult {
    let timestamp = std::time::SystemTime::now()
        .duration_since(std::time::UNIX_EPOCH)
        .unwrap()
        .as_secs() as i64;

    AgentConsensusResult {
        consensus_id,
        scenario,
        intervention,
        valid_agents,
        outliers,
        consensus_value,
        consensus_similarity,
        pass_rate,
        timestamp,
        contract_version: "1.0.0".to_string(),
        agent_graphs,
    }
}

/// 从智能体数据构建图数据
pub fn build_agent_graph_data(
    agents: &[SimpleAgent],
) -> Vec<AgentGraphData> {
    agents.iter().map(|agent| {
        AgentGraphData {
            agent_id: agent.id.clone(),
            model_type: agent.model_type.clone(),
            node_count: agent.causal_graph.nodes.len(),
            edge_count: agent.causal_graph.edges.len(),
            intervention_effect: agent.delta_response,
            base_prediction: agent.base_prediction,
            confidence: 0.9, // 默认置信度
        }
    }).collect()
}

/// 简化的智能体结构
#[derive(Debug, Clone)]
pub struct SimpleAgent {
    pub id: String,
    pub model_type: String,
    pub causal_graph: CausalGraph,
    pub base_prediction: f64,
    pub delta_response: f64,
}

/// 简化的因果图结构
#[derive(Debug, Clone)]
pub struct CausalGraph {
    pub nodes: Vec<CausalNode>,
    pub edges: Vec<CausalEdge>,
    pub metadata: HashMap<String, String>,
}

/// 简化的因果节点
#[derive(Debug, Clone)]
pub struct CausalNode {
    pub id: String,
    pub name: String,
    pub node_type: String,
    pub value: Option<f64>,
}

/// 简化的因果边
#[derive(Debug, Clone)]
pub struct CausalEdge {
    pub source: String,
    pub target: String,
    pub weight: f64,
    pub relation_type: String,
}

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

    #[tokio::test]
    async fn test_solana_deployment() {
        let deployer = SolanaDeployer::new(
            "http://localhost:8899".to_string(),
            "~/.config/solana/id.json".to_string(),
            "CAUSAL111111111111111111111111111111111".to_string(),
        );

        let consensus_result = create_consensus_result(
            "test_consensus_001".to_string(),
            "测试场景".to_string(),
            "测试干预".to_string(),
            vec!["agent_1".to_string(), "agent_2".to_string()],
            vec!["agent_3".to_string()],
            100.0,
            0.85,
            0.66,
            vec![],
        );

        let result = deployer.deploy_consensus_result(&consensus_result).await;
        assert!(result.is_ok());
        
        let tx_result = result.unwrap();
        assert!(matches!(tx_result.status, TransactionStatus::Success));
    }
}
