#![allow(unused_imports)]
#[cfg(feature = "ocr")]
mod stream_filters_test {
    use pdf_oxide::document::PdfDocument;
    use pdf_oxide::object::Object;

    #[test]
    fn test_inspect_stream_filters_for_images() {
        let pdf_path = "scanned_samples/pride_prejudice.pdf";
        if !std::path::Path::new(pdf_path).exists() {
            println!("PDF not found: {}", pdf_path);
            return;
        }

        println!("\n╔═══════════════════════════════════════════════════════════════╗");
        println!("║  STREAM FILTERS INSPECTION TEST                              ║");
        println!("╚═══════════════════════════════════════════════════════════════╝\n");

        let mut doc = match PdfDocument::open(pdf_path) {
            Ok(d) => d,
            Err(e) => {
                println!("❌ Failed to open PDF: {}", e);
                return;
            },
        };

        // Try to inspect the actual stream objects
        // We need to manually get the page and check its resources

        println!("Note: To properly inspect stream filters, we need to access:");
        println!("  1. Page resources (/Resources)");
        println!("  2. XObject dictionary (/XObject)");
        println!("  3. Image streams with their /Filter and /DecodeParms\n");

        // Since we can extract images, let's at least show what we know
        match doc.extract_images(1) {
            Ok(images) => {
                println!("✅ Extracted {} images\n", images.len());
                println!("Image streams are being processed through the decode pipeline:");
                println!("  - extract_image_from_xobject() calls decode_stream_data()");
                println!(
                    "  - Which applies filters in order: FlateDecode → ASCIIHexDecode → LZWDecode → CCITTFaxDecode, etc."
                );
                println!("\nFor CCITT-encoded images, the stream dictionary includes:");
                println!("  - /Filter: \"CCITTFaxDecode\" (name or array)");
                println!("  - /DecodeParms: Dictionary with CCITT parameters\n");

                println!(
                    "The issue: We're seeing the data AFTER decompression from earlier filters"
                );
                println!("This means any FlateDecode or other pre-processing is already done.\n");

                println!("Hypothesis: The PDF may use multiple filters where:");
                println!("  1. Data is initially FlateDecoded");
                println!("  2. Then CCITTFaxDecoded");
                println!("  BUT: We see /Filter only lists CCITTFaxDecode");
                println!("  This suggests the filters may be in an array, or the data");
                println!("  is being pre-decoded differently.\n");

                println!("Next step: Check if /Filter is actually an array in the PDF");
            },
            Err(e) => println!("Error: {}", e),
        }
    }
}
