rust_scraper 1.0.0

//! Zvec Exporter implementation
//!
//! Exports DocumentChunk to Zvec format for vector database storage.
//! Note: This module requires the `zvec` feature to be enabled.

use crate::domain::exporter::{ExportResult, ExporterConfig, ExporterError};

/// Zvec Exporter - stores documents in Alibaba's Zvec vector database
///
/// Schema: id (UUID), text (String), embedding (Vec<f32>)
///
/// Note: Full implementation requires zvec-sys crate and C++ build tools.
/// This is a placeholder/stub until the feature is fully implemented.
#[derive(Debug)]
pub struct ZvecExporter {
    config: ExporterConfig,
    // TODO: Add zvec collection handle when zvec-sys is integrated
    // collection: zvec::Collection,
}

impl ZvecExporter {
    /// Create a new ZvecExporter (placeholder)
    #[must_use]
    pub fn new(config: ExporterConfig) -> Self {
        Self { config }
    }

    /// Check if Zvec is available
    #[must_use]
    pub fn is_available() -> bool {
        // Will return true when zvec-sys is integrated
        false
    }
}

impl crate::domain::exporter::Exporter for ZvecExporter {
    fn export(&self, _document: crate::domain::entities::DocumentChunk) -> ExportResult<()> {
        Err(ExporterError::InvalidConfig(
            "ZvecExporter not yet implemented - requires zvec-sys dependency".to_string(),
        ))
    }

    fn export_batch(
        &self,
        _documents: Vec<crate::domain::entities::DocumentChunk>,
    ) -> ExportResult<()> {
        Err(ExporterError::InvalidConfig(
            "ZvecExporter not yet implemented - requires zvec-sys dependency".to_string(),
        ))
    }

    fn config(&self) -> &ExporterConfig {
        &self.config
    }
}

#[cfg(test)]
mod tests {
    use std::path::PathBuf;

    use crate::domain::entities::ExportFormat;
    use crate::domain::exporter::Exporter;

    use super::*;

    #[test]
    fn test_zvec_exporter_placeholder() {
        let config = ExporterConfig::new(PathBuf::from("/tmp"), ExportFormat::Zvec, "test");

        let exporter = ZvecExporter::new(config);

        // Should fail with "not implemented" message
        let result = exporter.export(
            crate::domain::entities::DocumentChunk::from_scraped_content(
                &crate::domain::ScrapedContent {
                    title: "Test".to_string(),
                    content: "Content".to_string(),
                    url: crate::domain::ValidUrl::parse("https://example.com").unwrap(),
                    excerpt: None,
                    author: None,
                    date: None,
                    html: None,
                    assets: Vec::new(),
                },
            ),
        );

        assert!(result.is_err());
    }

    #[test]
    fn test_zvec_availability() {
        // This will change when zvec is integrated
        assert!(!ZvecExporter::is_available());
    }
}