use xmltree::Element;

struct Options {
    ignoreProperties: bool,
}

#[test]
fn main() {
    let data = r#"<?xml version="1.0" encoding="UTF-8"?>
    <!--
    Extensible Image Serialization Format - XISF version 1.0
    Created with PixInsight software - http://pixinsight.com/
    -->
    <xisf version="1.0" xmlns="http://www.pixinsight.com/xisf" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.pixinsight.com/xisf http://pixinsight.com/xisf/xisf-1.0.xsd">
    <Image geometry="50:50:3" sampleFormat="Float32" bounds="0:1" colorSpace="RGB" location="attachment:8192:30000">
    <Resolution horizontal="72" vertical="72" unit="inch"/>
    <ICCProfile location="inline:base64">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</ICCProfile>
    <Property id="PixInsight:ProcessingHistory" type="String">&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?&gt;&lt;ProcessingHistory version=&quot;1.0&quot;&gt;&lt;instance class=&quot;Crop&quot; enabled=&quot;true&quot;&gt;&lt;time start=&quot;2022-07-19T00:58:26.499Z&quot; span=&quot;0.0019383&quot;/&gt;&lt;parameter id=&quot;leftMargin&quot; value=&quot;0&quot;/&gt;&lt;parameter id=&quot;topMargin&quot; value=&quot;0&quot;/&gt;&lt;parameter id=&quot;rightMargin&quot; value=&quot;0&quot;/&gt;&lt;parameter id=&quot;bottomMargin&quot; value=&quot;0&quot;/&gt;&lt;parameter id=&quot;mode&quot; value=&quot;AbsolutePixels&quot;/&gt;&lt;parameter id=&quot;xResolution&quot; value=&quot;72.000&quot;/&gt;&lt;parameter id=&quot;yResolution&quot; value=&quot;72.000&quot;/&gt;&lt;parameter id=&quot;metric&quot; value=&quot;false&quot;/&gt;&lt;parameter id=&quot;forceResolution&quot; value=&quot;false&quot;/&gt;&lt;parameter id=&quot;red&quot; value=&quot;0.000000&quot;/&gt;&lt;parameter id=&quot;green&quot; value=&quot;0.000000&quot;/&gt;&lt;parameter id=&quot;blue&quot; value=&quot;0.000000&quot;/&gt;&lt;parameter id=&quot;alpha&quot; value=&quot;1.000000&quot;/&gt;&lt;parameter id=&quot;noGUIMessages&quot; value=&quot;false&quot;/&gt;&lt;/instance&gt;&lt;instance class=&quot;Crop&quot; enabled=&quot;true&quot;&gt;&lt;time start=&quot;2022-07-19T00:58:56.431Z&quot; span=&quot;0.0254347&quot;/&gt;&lt;parameter id=&quot;leftMargin&quot; value=&quot;-1479&quot;/&gt;&lt;parameter id=&quot;topMargin&quot; value=&quot;-1479&quot;/&gt;&lt;parameter id=&quot;rightMargin&quot; value=&quot;-1479&quot;/&gt;&lt;parameter id=&quot;bottomMargin&quot; value=&quot;-1479&quot;/&gt;&lt;parameter id=&quot;mode&quot; value=&quot;AbsolutePixels&quot;/&gt;&lt;parameter id=&quot;xResolution&quot; value=&quot;72.000&quot;/&gt;&lt;parameter id=&quot;yResolution&quot; value=&quot;72.000&quot;/&gt;&lt;parameter id=&quot;metric&quot; value=&quot;false&quot;/&gt;&lt;parameter id=&quot;forceResolution&quot; value=&quot;false&quot;/&gt;&lt;parameter id=&quot;red&quot; value=&quot;0.000000&quot;/&gt;&lt;parameter id=&quot;green&quot; value=&quot;0.000000&quot;/&gt;&lt;parameter id=&quot;blue&quot; value=&quot;0.000000&quot;/&gt;&lt;parameter id=&quot;alpha&quot; value=&quot;1.000000&quot;/&gt;&lt;parameter id=&quot;noGUIMessages&quot; value=&quot;false&quot;/&gt;&lt;/instance&gt;&lt;/ProcessingHistory&gt;</Property><Thumbnail geometry="400:400:3" sampleFormat="UInt8" colorSpace="RGB" location="attachment:40960:480000"/>
    </Image>
    <Metadata>
    <Property id="XISF:CreationTime" type="String">2022-07-19T00:59:25Z</Property>
    <Property id="XISF:CreatorApplication" type="String">PixInsight 1.8.8-12</Property>
    <Property id="XISF:CreatorModule" type="String">XISF module version 1.0.13</Property>
    <Property id="XISF:CreatorOS" type="String">Windows</Property>
    <Property id="XISF:BlockAlignmentSize" type="UInt16" value="4096"/>
    <Property id="XISF:MaxInlineBlockSize" type="UInt16" value="3072"/>
    </Metadata>
    </xisf>
    "#;

    let m_xisfOptions = Options {
        ignoreProperties: false,
    };

    let root = Element::parse(data.as_bytes()).unwrap();
    if root.name != "xisf" {
        panic!("Expected root element=xisf, instead found: {}", root.name);
    }

    let v = root.attributes.get("version");
    match v {
        Some(x) => {
            if x != "1.0" {
                panic!("Expected XISF version: 1.0, instead found: {x}");
            }
        }
        None => {
            panic!("Missing XISF version attribute");
        }
    }

    for n in root.children {
        let e = n.as_element();
        if e.is_none() {
            println!("Ignoring unexpected XML root child node of type: {n:#?}");
            continue;
        }

        let e = e.unwrap();

        if e.name == "Image" {
            println!("Found {:#?}", e.name);
        } else if e.name == "Property" {
            if !m_xisfOptions.ignoreProperties {
                println!("Found property: {} and not ignoring", e.name);
                todo!();
            }
        } else if e.name == "Metadata" {
            println!("Found {:#?}", e.name);
            /*
             * The Metadata element contains a sequence of property child
             * elements. All of these properties are internal, i.e. they
             * are in the XISF namespace.
             */
            for cn in e.children.iter() {
                let ce = cn.as_element();
                if ce.is_none() {
                    println!("Ignoring unexpected Meta child node of type: {cn:#?}");
                    continue;
                }

                let ce = ce.unwrap();

                if ce.name == "Property" {
                    println!("Found metadata property and not ignoring");
                    println!("{ce:#?}");
                    // todo!();
                } else {
                    println!("Skipping unknown metadata element: {}", ce.name);
                }
            }
        } else {
            println!("Skipping unknown element: {}", e.name);
        }
    }
}