qitops 0.1.0

use crate::common::{TestConfig, TestResult, TestRunner};
use crate::error::{Result};
use async_trait::async_trait;
use chrono::Utc;
use log::info;
use reqwest::Client;
use serde::{Deserialize, Serialize};
use std::time::Instant;

#[derive(Debug, Serialize, Deserialize)]
pub struct SecurityTestConfig {
    #[serde(flatten)]
    pub base: TestConfig,
    pub target_url: String,
    pub headers: Option<serde_json::Value>,
    pub auth: Option<serde_json::Value>,
    #[serde(default = "default_scan_types")]
    pub scan_types: Vec<String>,
    #[serde(default = "default_max_high_severity")]
    pub max_high_severity_findings: usize,
}

fn default_scan_types() -> Vec<String> {
    vec![
        "headers".to_string(),
        "ssl".to_string(),
        "vulnerabilities".to_string(),
        "sensitive-data".to_string(),
    ]
}

fn default_max_high_severity() -> usize {
    0 // By default, any high severity finding is a failure
}

#[derive(Debug, Serialize, Deserialize)]
pub struct SecurityFinding {
    pub severity: String,
    pub category: String,
    pub description: String,
    pub recommendation: String,
}

pub struct SecurityTestRunner {
    client: Client,
    scan_depth: u8,
    passive_only: bool,
}

impl SecurityTestRunner {
    pub fn new(scan_depth: u8, passive_only: bool) -> Self {
        Self {
            client: Client::new(),
            scan_depth,
            passive_only,
        }
    }

    async fn run_scan(&self, config: &SecurityTestConfig) -> Result<Vec<SecurityFinding>> {
        let mut findings = Vec::new();

        // Basic security checks
        if let Ok(response) = self.client.get(&config.target_url).send().await {
            // Check for security headers (always run regardless of scan depth)
            findings.extend(self.check_security_headers(&response));

            // Run checks based on scan depth
            if self.scan_depth >= 1 {
                // Level 1: Basic security checks (headers, SSL)
                findings.extend(self.check_ssl(&config.target_url).await);
            }

            if self.scan_depth >= 2 {
                // Level 2: Common vulnerabilities
                findings.extend(self.check_common_vulnerabilities(&config.target_url, config).await);
                findings.extend(self.check_sensitive_data(&response));
            }

            if self.scan_depth >= 3 {
                // Level 3: Authentication and authorization
                findings.extend(self.check_authentication(&config.target_url, config).await);
                findings.extend(self.check_jwt(config).await);
                findings.extend(self.check_access_control(config).await);
            }

            if self.scan_depth >= 4 {
                // Level 4: Advanced vulnerability scanning
                // Only run active scans if passive_only is false
                if !self.passive_only {
                    findings.extend(self.check_csrf(&config.target_url, config).await);
                    findings.extend(self.check_xss(&config.target_url, config).await);
                    findings.extend(self.check_sql_injection(&config.target_url, config).await);
                }
            }

            // Level 5 would include more comprehensive scans
            if self.scan_depth >= 5 && !self.passive_only {
                // Additional comprehensive security checks would go here
                info!("Running comprehensive security audit at level 5");
                // These would be implemented in future versions
            }
        }

        Ok(findings)
    }

    fn check_security_headers(&self, response: &reqwest::Response) -> Vec<SecurityFinding> {
        let mut findings = Vec::new();

        // Check for missing security headers
        let security_headers = vec![
            ("Strict-Transport-Security", "high"),
            ("X-Content-Type-Options", "medium"),
            ("X-Frame-Options", "medium"),
            ("X-XSS-Protection", "medium"),
            ("Content-Security-Policy", "high"),
            ("Referrer-Policy", "low"),
        ];

        for (header, severity) in security_headers {
            if !response.headers().contains_key(header) {
                findings.push(SecurityFinding {
                    severity: severity.to_string(),
                    category: "Missing Security Header".to_string(),
                    description: format!("Missing {} header", header),
                    recommendation: format!("Add the {} header to enhance security", header),
                });
            }
        }

        findings
    }

    async fn check_ssl(&self, _url: &str) -> Vec<SecurityFinding> {
        let findings = Vec::new();
        // TODO: Implement SSL/TLS checks
        findings
    }

    async fn check_common_vulnerabilities(&self, _url: &str, _config: &SecurityTestConfig) -> Vec<SecurityFinding> {
        let findings = Vec::new();
        // TODO: Implement common vulnerability checks
        findings
    }

    fn check_sensitive_data(&self, _response: &reqwest::Response) -> Vec<SecurityFinding> {
        let findings = Vec::new();
        // TODO: Implement sensitive data checks
        findings
    }

    async fn check_authentication(&self, _url: &str, _config: &SecurityTestConfig) -> Vec<SecurityFinding> {
        let findings = Vec::new();
        // TODO: Implement authentication checks
        findings
    }

    async fn check_csrf(&self, _url: &str, _config: &SecurityTestConfig) -> Vec<SecurityFinding> {
        let findings = Vec::new();
        // TODO: Implement CSRF checks
        findings
    }

    async fn check_xss(&self, _url: &str, _config: &SecurityTestConfig) -> Vec<SecurityFinding> {
        let findings = Vec::new();
        // TODO: Implement XSS checks
        findings
    }

    async fn check_sql_injection(&self, _url: &str, _config: &SecurityTestConfig) -> Vec<SecurityFinding> {
        let findings = Vec::new();
        // TODO: Implement SQL injection checks
        findings
    }

    async fn check_jwt(&self, _config: &SecurityTestConfig) -> Vec<SecurityFinding> {
        let findings = Vec::new();
        // TODO: Implement JWT checks
        findings
    }

    async fn check_access_control(&self, _config: &SecurityTestConfig) -> Vec<SecurityFinding> {
        let findings = Vec::new();
        // TODO: Implement access control checks
        findings
    }
}

#[async_trait]
impl TestRunner for SecurityTestRunner {
    async fn run(&self, config: &(impl serde::Serialize + Send + Sync)) -> Result<TestResult> {
        let config = serde_json::from_value::<SecurityTestConfig>(serde_json::to_value(config)?)?;
        let start = Instant::now();

        let findings = self.run_scan(&config).await?;
        let duration = start.elapsed().as_secs_f64();

        let critical_findings = findings.iter().filter(|f| f.severity == "critical").count();
        let high_findings = findings.iter().filter(|f| f.severity == "high").count();

        let status = if critical_findings > 0 || high_findings > config.max_high_severity_findings {
            "failed".to_string()
        } else {
            "passed".to_string()
        };

        Ok(TestResult {
            name: config.base.name,
            status,
            duration,
            details: Some(serde_json::json!({
                "findings": findings,
                "summary": {
                    "total_findings": findings.len(),
                    "critical_findings": critical_findings,
                    "high_findings": high_findings,
                    "medium_findings": findings.iter().filter(|f| f.severity == "medium").count(),
                    "low_findings": findings.iter().filter(|f| f.severity == "low").count()
                }
            })),
            timestamp: Utc::now().to_rfc3339(),
        })
    }
}