lens-core 1.0.0

//! Reporting and metrics aggregation
//! Minimal implementation for test compilation

use serde::{Deserialize, Serialize};
use anyhow::Result;

/// Report output formats
#[derive(Debug, Clone, Serialize, Deserialize)]
pub enum ReportFormat {
    Json,
    Markdown,
    Html,
    Csv,
}

impl Default for ReportFormat {
    fn default() -> Self {
        ReportFormat::Json
    }
}

/// Report detail levels
#[derive(Debug, Clone, Serialize, Deserialize)]
pub enum DetailLevel {
    Summary,
    Standard,
    Detailed,
    Comprehensive,
}

impl Default for DetailLevel {
    fn default() -> Self {
        DetailLevel::Standard
    }
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ReportingConfig {
    pub output_formats: Vec<ReportFormat>,
    pub detail_level: DetailLevel,
    pub include_statistical_details: bool,
    pub include_attestation_details: bool,
    pub generate_executive_summary: bool,
    pub include_visualizations: bool,
    pub include_charts: bool,
    pub retention_days: u64,
}

impl Default for ReportingConfig {
    fn default() -> Self {
        Self {
            output_formats: vec![ReportFormat::Json],
            detail_level: DetailLevel::Standard,
            include_statistical_details: false,
            include_attestation_details: false,
            generate_executive_summary: false,
            include_visualizations: false,
            include_charts: false,
            retention_days: 30,
        }
    }
}

pub struct ReportGenerator {
    config: ReportingConfig,
}

impl ReportGenerator {
    pub fn new(config: ReportingConfig) -> Self {
        Self { config }
    }

    pub async fn generate_comprehensive_report(&self) -> Result<Report> {
        // Minimal implementation for compilation
        Ok(Report {
            report_id: "comprehensive-report".to_string(),
            timestamp: chrono::Utc::now(),
            sections: vec![],
        })
    }
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct Report {
    pub report_id: String,
    pub timestamp: chrono::DateTime<chrono::Utc>,
    pub sections: Vec<ReportSection>,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ReportSection {
    pub title: String,
    pub content: String,
    pub metrics: std::collections::HashMap<String, serde_json::Value>,
}

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

    #[test]
    fn test_reporting_config_default() {
        let config = ReportingConfig::default();
        assert_eq!(config.output_formats.len(), 1);
        assert!(matches!(config.output_formats[0], ReportFormat::Json));
        assert!(!config.include_charts);
        assert_eq!(config.retention_days, 30);
    }

    #[test]
    fn test_report_generator_creation() {
        let config = ReportingConfig::default();
        let generator = ReportGenerator::new(config);
        assert_eq!(generator.config.output_formats.len(), 1);
        assert!(matches!(generator.config.output_formats[0], ReportFormat::Json));
    }

    #[tokio::test]
    async fn test_comprehensive_report_generation() {
        let config = ReportingConfig::default();
        let generator = ReportGenerator::new(config);
        
        let result = generator.generate_comprehensive_report().await;
        assert!(result.is_ok());
        
        let report = result.unwrap();
        assert_eq!(report.report_id, "comprehensive-report");
        assert!(report.sections.is_empty());
    }

    #[test]
    fn test_report_section_creation() {
        let mut metrics = std::collections::HashMap::new();
        metrics.insert("test_metric".to_string(), serde_json::Value::Number(serde_json::Number::from(42)));
        
        let section = ReportSection {
            title: "Test Section".to_string(),
            content: "Test content".to_string(),
            metrics,
        };
        
        assert_eq!(section.title, "Test Section");
        assert_eq!(section.content, "Test content");
        assert_eq!(section.metrics.len(), 1);
    }

    #[test]
    fn test_report_creation() {
        let report = Report {
            report_id: "test-report".to_string(),
            timestamp: chrono::Utc::now(),
            sections: vec![],
        };
        
        assert_eq!(report.report_id, "test-report");
        assert!(report.sections.is_empty());
    }

    #[test]
    fn test_custom_reporting_config() {
        let config = ReportingConfig {
            output_formats: vec![ReportFormat::Html, ReportFormat::Markdown],
            detail_level: DetailLevel::Comprehensive,
            include_statistical_details: true,
            include_attestation_details: true,
            generate_executive_summary: true,
            include_visualizations: true,
            include_charts: true,
            retention_days: 90,
        };
        
        assert_eq!(config.output_formats.len(), 2);
        assert!(matches!(config.output_formats[0], ReportFormat::Html));
        assert!(matches!(config.output_formats[1], ReportFormat::Markdown));
        assert!(matches!(config.detail_level, DetailLevel::Comprehensive));
        assert!(config.include_charts);
        assert_eq!(config.retention_days, 90);
    }
}