dist_agent_lang 1.0.3

use std::collections::HashMap;
use crate::runtime::values::Value;
use crate::stdlib::chain;

// KYC (Know Your Customer) namespace
// Provides identity verification and compliance functions

#[derive(Debug, Clone)]
pub struct KYCVerification {
    pub user_address: String,
    pub verification_id: String,
    pub status: String,
    pub confidence: f64,
    pub provider: String,
    pub level: String,
    pub data: HashMap<String, String>,
    pub timestamp: i64,
    pub expires_at: i64,
}

#[derive(Debug, Clone)]
pub struct KYCProvider {
    pub id: String,
    pub name: String,
    pub api_endpoint: String,
    pub api_key: String,
    pub verification_levels: HashMap<String, KYCLevel>,
    pub compliance_standards: HashMap<String, bool>,
    pub success_rate: f64,
    pub response_time: i64,
    pub is_active: bool,
}

#[derive(Debug, Clone)]
pub struct KYCLevel {
    pub level: String,
    pub requirements: HashMap<String, String>,
    pub verification_time: i64,
    pub cost: i64,
    pub compliance_score: f64,
}

lazy_static::lazy_static! {
    static ref KYC_PROVIDERS: HashMap<String, KYCProvider> = {
        let mut m = HashMap::new();
        
        // Default KYC providers
        m.insert("securekyc".to_string(), KYCProvider {
            id: "securekyc".to_string(),
            name: "SecureKYC Inc.".to_string(),
            api_endpoint: "https://api.securekyc.com/v1".to_string(),
            api_key: "sk_live_default".to_string(),
            verification_levels: {
                let mut levels = HashMap::new();
                levels.insert("basic".to_string(), KYCLevel {
                    level: "basic".to_string(),
                    requirements: {
                        let mut req = HashMap::new();
                        req.insert("identity".to_string(), "required".to_string());
                        req.insert("address".to_string(), "required".to_string());
                        req
                    },
                    verification_time: 24 * 60 * 60, // 24 hours
                    cost: 10,
                    compliance_score: 0.8,
                });
                levels.insert("enhanced".to_string(), KYCLevel {
                    level: "enhanced".to_string(),
                    requirements: {
                        let mut req = HashMap::new();
                        req.insert("identity".to_string(), "required".to_string());
                        req.insert("address".to_string(), "required".to_string());
                        req.insert("income".to_string(), "required".to_string());
                        req
                    },
                    verification_time: 48 * 60 * 60, // 48 hours
                    cost: 25,
                    compliance_score: 0.9,
                });
                levels.insert("premium".to_string(), KYCLevel {
                    level: "premium".to_string(),
                    requirements: {
                        let mut req = HashMap::new();
                        req.insert("identity".to_string(), "required".to_string());
                        req.insert("address".to_string(), "required".to_string());
                        req.insert("income".to_string(), "required".to_string());
                        req.insert("source_of_funds".to_string(), "required".to_string());
                        req
                    },
                    verification_time: 72 * 60 * 60, // 72 hours
                    cost: 50,
                    compliance_score: 0.95,
                });
                levels
            },
            compliance_standards: {
                let mut standards = HashMap::new();
                standards.insert("gdpr".to_string(), true);
                standards.insert("sox".to_string(), true);
                standards.insert("pci".to_string(), true);
                standards
            },
            success_rate: 0.98,
            response_time: 5000, // 5 seconds
            is_active: true,
        });
        
        m.insert("veriff".to_string(), KYCProvider {
            id: "veriff".to_string(),
            name: "Veriff".to_string(),
            api_endpoint: "https://api.veriff.com/v1".to_string(),
            api_key: "veriff_default".to_string(),
            verification_levels: {
                let mut levels = HashMap::new();
                levels.insert("basic".to_string(), KYCLevel {
                    level: "basic".to_string(),
                    requirements: {
                        let mut req = HashMap::new();
                        req.insert("identity".to_string(), "required".to_string());
                        req.insert("address".to_string(), "required".to_string());
                        req
                    },
                    verification_time: 12 * 60 * 60, // 12 hours
                    cost: 15,
                    compliance_score: 0.85,
                });
                levels.insert("enhanced".to_string(), KYCLevel {
                    level: "enhanced".to_string(),
                    requirements: {
                        let mut req = HashMap::new();
                        req.insert("identity".to_string(), "required".to_string());
                        req.insert("address".to_string(), "required".to_string());
                        req.insert("income".to_string(), "required".to_string());
                        req.insert("biometric".to_string(), "required".to_string());
                        req
                    },
                    verification_time: 24 * 60 * 60, // 24 hours
                    cost: 30,
                    compliance_score: 0.92,
                });
                levels
            },
            compliance_standards: {
                let mut standards = HashMap::new();
                standards.insert("gdpr".to_string(), true);
                standards.insert("iso27001".to_string(), true);
                standards
            },
            success_rate: 0.96,
            response_time: 3000, // 3 seconds
            is_active: true,
        });
        
        m
    };
}

// Public KYC functions

pub fn verify_identity(
    provider_id: String,
    user_address: String,
    level: String,
    _user_data: HashMap<String, String>
) -> HashMap<String, Value> {
    crate::stdlib::log::audit("kyc_verify", {
        let mut data = HashMap::new();
        data.insert("provider_id".to_string(), Value::String(provider_id.clone()));
        data.insert("user_address".to_string(), Value::String(user_address.clone()));
        data.insert("level".to_string(), Value::String(level.clone()));
        data.insert("timestamp".to_string(), Value::Int(chain::get_block_timestamp(1)));
        data
    }, Some("kyc"));
    
    if !KYC_PROVIDERS.contains_key(&provider_id) {
        return {
            let mut result = HashMap::new();
            result.insert("status".to_string(), Value::String("failed".to_string()));
            result.insert("error".to_string(), Value::String("Provider not found".to_string()));
            result
        };
    }
    
    let provider = KYC_PROVIDERS.get(&provider_id).unwrap();
    if !provider.verification_levels.contains_key(&level) {
        return {
            let mut result = HashMap::new();
            result.insert("status".to_string(), Value::String("failed".to_string()));
            result.insert("error".to_string(), Value::String("Level not supported".to_string()));
            result
        };
    }
    
    let kyc_level = provider.verification_levels.get(&level).unwrap();
    
    // Simulate verification process
    let verification_id = format!("kyc_{}_{}", user_address, chain::get_block_timestamp(1));
    let confidence = kyc_level.compliance_score;
    let timestamp = chain::get_block_timestamp(1);
    let expires_at = timestamp + 365 * 24 * 60 * 60; // 1 year
    
    // Simulate API call delay
    std::thread::sleep(std::time::Duration::from_millis(provider.response_time as u64));
    
    let mut result = HashMap::new();
    result.insert("status".to_string(), Value::String("verified".to_string()));
    result.insert("verification_id".to_string(), Value::String(verification_id));
    result.insert("confidence".to_string(), Value::Float(confidence));
    result.insert("provider".to_string(), Value::String(provider_id));
    result.insert("level".to_string(), Value::String(level));
    result.insert("timestamp".to_string(), Value::Int(timestamp));
    result.insert("expires_at".to_string(), Value::Int(expires_at));
    result.insert("compliance_score".to_string(), Value::Float(kyc_level.compliance_score));
    
    result
}

pub fn get_verification_status(verification_id: String) -> HashMap<String, Value> {
    crate::stdlib::log::audit("kyc_status_check", {
        let mut data = HashMap::new();
        data.insert("verification_id".to_string(), Value::String(verification_id.clone()));
        data.insert("timestamp".to_string(), Value::Int(chain::get_block_timestamp(1)));
        data
    }, Some("kyc"));
    
    // Simulate status check
    let mut result = HashMap::new();
    result.insert("verification_id".to_string(), Value::String(verification_id));
    result.insert("status".to_string(), Value::String("verified".to_string()));
    result.insert("is_valid".to_string(), Value::Bool(true));
    result.insert("expires_at".to_string(), Value::Int(chain::get_block_timestamp(1) + 365 * 24 * 60 * 60));
    
    result
}

pub fn revoke_verification(verification_id: String, reason: String) -> bool {
    crate::stdlib::log::audit("kyc_revoke", {
        let mut data = HashMap::new();
        data.insert("verification_id".to_string(), Value::String(verification_id.clone()));
        data.insert("reason".to_string(), Value::String(reason.clone()));
        data.insert("timestamp".to_string(), Value::Int(chain::get_block_timestamp(1)));
        data
    }, Some("kyc"));
    
    // Simulate revocation
    true
}

pub fn get_provider_info(provider_id: String) -> HashMap<String, Value> {
    if !KYC_PROVIDERS.contains_key(&provider_id) {
        return {
            let mut result = HashMap::new();
            result.insert("error".to_string(), Value::String("Provider not found".to_string()));
            result
        };
    }
    
    let provider = KYC_PROVIDERS.get(&provider_id).unwrap();
    let mut result = HashMap::new();
    result.insert("id".to_string(), Value::String(provider.id.clone()));
    result.insert("name".to_string(), Value::String(provider.name.clone()));
    result.insert("success_rate".to_string(), Value::Float(provider.success_rate));
    result.insert("response_time".to_string(), Value::Int(provider.response_time));
    result.insert("is_active".to_string(), Value::Bool(provider.is_active));
    
    // Add compliance standards
    let mut standards = HashMap::new();
    for (standard, compliant) in &provider.compliance_standards {
        standards.insert(standard.clone(), Value::Bool(*compliant));
    }
    result.insert("compliance_standards".to_string(), Value::String(format!("{:?}", standards)));
    
    result
}

pub fn list_providers() -> Vec<String> {
    KYC_PROVIDERS.keys().cloned().collect()
}

pub fn get_verification_levels(provider_id: String) -> HashMap<String, Value> {
    if !KYC_PROVIDERS.contains_key(&provider_id) {
        return {
            let mut result = HashMap::new();
            result.insert("error".to_string(), Value::String("Provider not found".to_string()));
            result
        };
    }
    
    let provider = KYC_PROVIDERS.get(&provider_id).unwrap();
    let mut result = HashMap::new();
    
    for (level_name, level) in &provider.verification_levels {
        let mut level_info = HashMap::new();
        level_info.insert("cost".to_string(), Value::Int(level.cost));
        level_info.insert("verification_time".to_string(), Value::Int(level.verification_time));
        level_info.insert("compliance_score".to_string(), Value::Float(level.compliance_score));
        
        result.insert(level_name.clone(), Value::String(format!("{:?}", level_info)));
    }
    
    result
}

pub fn validate_document(document_type: String, _document_data: HashMap<String, String>) -> HashMap<String, Value> {
    crate::stdlib::log::audit("kyc_document_validation", {
        let mut data = HashMap::new();
        data.insert("document_type".to_string(), Value::String(document_type.clone()));
        data.insert("timestamp".to_string(), Value::Int(chain::get_block_timestamp(1)));
        data
    }, Some("kyc"));
    
    // Simulate document validation
    let mut result = HashMap::new();
    result.insert("document_type".to_string(), Value::String(document_type));
    result.insert("is_valid".to_string(), Value::Bool(true));
    result.insert("confidence".to_string(), Value::Float(0.95));
    result.insert("validation_id".to_string(), Value::String(format!("doc_{}", chain::get_block_timestamp(1))));
    
    result
}

pub fn check_identity_match(
    _identity_data: HashMap<String, String>,
    _verification_data: HashMap<String, String>
) -> HashMap<String, Value> {
    crate::stdlib::log::audit("kyc_identity_match", {
        let mut data = HashMap::new();
        data.insert("timestamp".to_string(), Value::Int(chain::get_block_timestamp(1)));
        data
    }, Some("kyc"));
    
    // Simulate identity matching
    let mut result = HashMap::new();
    result.insert("match_score".to_string(), Value::Float(0.92));
    result.insert("is_match".to_string(), Value::Bool(true));
    result.insert("confidence".to_string(), Value::Float(0.88));
    
    result
}

pub fn get_compliance_report(user_address: String) -> HashMap<String, Value> {
    crate::stdlib::log::audit("kyc_compliance_report", {
        let mut data = HashMap::new();
        data.insert("user_address".to_string(), Value::String(user_address.clone()));
        data.insert("timestamp".to_string(), Value::Int(chain::get_block_timestamp(1)));
        data
    }, Some("kyc"));
    
    // Simulate compliance report
    let mut result = HashMap::new();
    result.insert("user_address".to_string(), Value::String(user_address));
    result.insert("kyc_status".to_string(), Value::String("verified".to_string()));
    result.insert("verification_level".to_string(), Value::String("enhanced".to_string()));
    result.insert("compliance_score".to_string(), Value::Float(0.92));
    result.insert("last_verified".to_string(), Value::Int(chain::get_block_timestamp(1)));
    result.insert("expires_at".to_string(), Value::Int(chain::get_block_timestamp(1) + 365 * 24 * 60 * 60));
    
    result
}