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use crate::error::Result;
use crate::{FeatureProcessor, GeomProcessor, PropertyProcessor};
use std::io::Write;

/// SVG String.
pub struct SvgString(pub String);

/// SVG writer.
pub struct SvgWriter<'a, W: Write> {
    out: &'a mut W,
    invert_y: bool,
    view_box: Option<(f64, f64, f64, f64)>,
    size: Option<(u32, u32)>,
}

impl<'a, W: Write> SvgWriter<'a, W> {
    pub fn new(out: &'a mut W, invert_y: bool) -> SvgWriter<'a, W> {
        SvgWriter {
            out,
            invert_y,
            view_box: None,
            size: None,
        }
    }
    pub fn set_dimensions(
        &mut self,
        xmin: f64,
        ymin: f64,
        xmax: f64,
        ymax: f64,
        width: u32,
        height: u32,
    ) {
        self.view_box = if self.invert_y {
            Some((xmin, -ymax, xmax, -ymin))
        } else {
            Some((xmin, ymin, xmax, ymax))
        };
        self.size = Some((width, height));
    }
}

impl<W: Write> FeatureProcessor for SvgWriter<'_, W> {
    fn dataset_begin(&mut self, name: Option<&str>) -> Result<()> {
        let _ = self.out.write(
            br#"<?xml version="1.0"?>
<svg xmlns="http://www.w3.org/2000/svg" version="1.2" baseProfile="tiny" "#,
        )?;
        if let Some((width, height)) = self.size {
            let _ = self
                .out
                .write(&format!("width=\"{}\" height=\"{}\" ", width, height).as_bytes())?;
        }
        if let Some((xmin, ymin, xmax, ymax)) = self.view_box {
            let _ = self.out.write(
                &format!(
                    "viewBox=\"{} {} {} {}\" ",
                    xmin,
                    ymin,
                    xmax - xmin,
                    ymax - ymin
                )
                .as_bytes(),
            )?;
        }
        let _ = self.out.write(
            br#"stroke-linecap="round" stroke-linejoin="round">
<g id=""#,
        )?;
        if let Some(name) = name {
            let _ = self.out.write(name.as_bytes())?;
        }
        let _ = self.out.write(br#"">"#)?;
        Ok(())
    }
    fn dataset_end(&mut self) -> Result<()> {
        let _ = self.out.write(b"\n</g>\n</svg>")?;
        Ok(())
    }
    fn feature_begin(&mut self, _idx: u64) -> Result<()> {
        let _ = self.out.write(b"\n")?;
        Ok(())
    }
    fn feature_end(&mut self, _idx: u64) -> Result<()> {
        Ok(())
    }
}

impl<W: Write> GeomProcessor for SvgWriter<'_, W> {
    fn xy(&mut self, x: f64, y: f64, _idx: usize) -> Result<()> {
        let y = if self.invert_y { -y } else { y };
        let _ = self.out.write(&format!("{} {} ", x, y).as_bytes())?;
        Ok(())
    }
    fn point_begin(&mut self, _idx: usize) -> Result<()> {
        let _ = self.out.write(br#"<path d="M "#)?;
        Ok(())
    }
    fn point_end(&mut self, _idx: usize) -> Result<()> {
        let _ = self.out.write(br#"Z"/>"#)?;
        Ok(())
    }
    fn linestring_begin(&mut self, tagged: bool, _size: usize, _idx: usize) -> Result<()> {
        if tagged {
            let _ = self.out.write(br#"<path d=""#)?;
        } else {
            let _ = self.out.write(b"M ")?;
        }
        Ok(())
    }
    fn linestring_end(&mut self, tagged: bool, _idx: usize) -> Result<()> {
        if tagged {
            let _ = self.out.write(br#""/>"#)?;
        } else {
            let _ = self.out.write(b"Z ")?;
        }
        Ok(())
    }
    fn multilinestring_begin(&mut self, _size: usize, _idx: usize) -> Result<()> {
        let _ = self.out.write(br#"<path d=""#)?;
        Ok(())
    }
    fn multilinestring_end(&mut self, _idx: usize) -> Result<()> {
        let _ = self.out.write(br#""/>"#)?;
        Ok(())
    }
    fn polygon_begin(&mut self, _tagged: bool, _size: usize, _idx: usize) -> Result<()> {
        let _ = self.out.write(br#"<path d=""#)?;
        Ok(())
    }
    fn polygon_end(&mut self, _tagged: bool, _idx: usize) -> Result<()> {
        let _ = self.out.write(br#""/>"#)?;
        Ok(())
    }
}

impl<W: Write> PropertyProcessor for SvgWriter<'_, W> {}

#[cfg(test)]
#[cfg(feature = "with-geojson")]
mod test {
    use super::*;
    use crate::geojson::read_geojson;
    use crate::ToSvg;
    use geo_types::polygon;

    #[test]
    fn geometries() -> Result<()> {
        // countries.fgb, id = ZAF
        let geojson = r#"{"type": "MultiPolygon", "coordinates": [[[[31.521001,-29.257387],[31.325561,-29.401978],[30.901763,-29.909957],[30.622813,-30.423776],[30.055716,-31.140269],[28.925553,-32.172041],[28.219756,-32.771953],[27.464608,-33.226964],[26.419452,-33.61495],[25.909664,-33.66704],[25.780628,-33.944646],[25.172862,-33.796851],[24.677853,-33.987176],[23.594043,-33.794474],[22.988189,-33.916431],[22.574157,-33.864083],[21.542799,-34.258839],[20.689053,-34.417175],[20.071261,-34.795137],[19.616405,-34.819166],[19.193278,-34.462599],[18.855315,-34.444306],[18.424643,-33.997873],[18.377411,-34.136521],[18.244499,-33.867752],[18.25008,-33.281431],[17.92519,-32.611291],[18.24791,-32.429131],[18.221762,-31.661633],[17.566918,-30.725721],[17.064416,-29.878641],[17.062918,-29.875954],[16.344977,-28.576705],[16.824017,-28.082162],[17.218929,-28.355943],[17.387497,-28.783514],[17.836152,-28.856378],[18.464899,-29.045462],[19.002127,-28.972443],[19.894734,-28.461105],[19.895768,-24.76779],[20.165726,-24.917962],[20.758609,-25.868136],[20.66647,-26.477453],[20.889609,-26.828543],[21.605896,-26.726534],[22.105969,-26.280256],[22.579532,-25.979448],[22.824271,-25.500459],[23.312097,-25.26869],[23.73357,-25.390129],[24.211267,-25.670216],[25.025171,-25.71967],[25.664666,-25.486816],[25.765849,-25.174845],[25.941652,-24.696373],[26.485753,-24.616327],[26.786407,-24.240691],[27.11941,-23.574323],[28.017236,-22.827754],[29.432188,-22.091313],[29.839037,-22.102216],[30.322883,-22.271612],[30.659865,-22.151567],[31.191409,-22.25151],[31.670398,-23.658969],[31.930589,-24.369417],[31.752408,-25.484284],[31.837778,-25.843332],[31.333158,-25.660191],[31.04408,-25.731452],[30.949667,-26.022649],[30.676609,-26.398078],[30.685962,-26.743845],[31.282773,-27.285879],[31.86806,-27.177927],[32.071665,-26.73382],[32.83012,-26.742192],[32.580265,-27.470158],[32.462133,-28.301011],[32.203389,-28.752405],[31.521001,-29.257387]],[[28.978263,-28.955597],[28.5417,-28.647502],[28.074338,-28.851469],[27.532511,-29.242711],[26.999262,-29.875954],[27.749397,-30.645106],[28.107205,-30.545732],[28.291069,-30.226217],[28.8484,-30.070051],[29.018415,-29.743766],[29.325166,-29.257387],[28.978263,-28.955597]]]]}"#;
        let mut out: Vec<u8> = Vec::new();
        let invert_y = true;
        assert!(read_geojson(geojson.as_bytes(), &mut SvgWriter::new(&mut out, invert_y)).is_ok());
        // Has Multi-Ring Polygon
        assert_eq!(
            std::str::from_utf8(&out).unwrap(),
            r#"<path d="M 31.521001 29.257387 31.325561 29.401978 30.901763 29.909957 30.622813 30.423776 30.055716 31.140269 28.925553 32.172041 28.219756 32.771953 27.464608 33.226964 26.419452 33.61495 25.909664 33.66704 25.780628 33.944646 25.172862 33.796851 24.677853 33.987176 23.594043 33.794474 22.988189 33.916431 22.574157 33.864083 21.542799 34.258839 20.689053 34.417175 20.071261 34.795137 19.616405 34.819166 19.193278 34.462599 18.855315 34.444306 18.424643 33.997873 18.377411 34.136521 18.244499 33.867752 18.25008 33.281431 17.92519 32.611291 18.24791 32.429131 18.221762 31.661633 17.566918 30.725721 17.064416 29.878641 17.062918 29.875954 16.344977 28.576705 16.824017 28.082162 17.218929 28.355943 17.387497 28.783514 17.836152 28.856378 18.464899 29.045462 19.002127 28.972443 19.894734 28.461105 19.895768 24.76779 20.165726 24.917962 20.758609 25.868136 20.66647 26.477453 20.889609 26.828543 21.605896 26.726534 22.105969 26.280256 22.579532 25.979448 22.824271 25.500459 23.312097 25.26869 23.73357 25.390129 24.211267 25.670216 25.025171 25.71967 25.664666 25.486816 25.765849 25.174845 25.941652 24.696373 26.485753 24.616327 26.786407 24.240691 27.11941 23.574323 28.017236 22.827754 29.432188 22.091313 29.839037 22.102216 30.322883 22.271612 30.659865 22.151567 31.191409 22.25151 31.670398 23.658969 31.930589 24.369417 31.752408 25.484284 31.837778 25.843332 31.333158 25.660191 31.04408 25.731452 30.949667 26.022649 30.676609 26.398078 30.685962 26.743845 31.282773 27.285879 31.86806 27.177927 32.071665 26.73382 32.83012 26.742192 32.580265 27.470158 32.462133 28.301011 32.203389 28.752405 31.521001 29.257387 Z M 28.978263 28.955597 28.5417 28.647502 28.074338 28.851469 27.532511 29.242711 26.999262 29.875954 27.749397 30.645106 28.107205 30.545732 28.291069 30.226217 28.8484 30.070051 29.018415 29.743766 29.325166 29.257387 28.978263 28.955597 Z "/>"#
        );

        // countries.fgb, id = NZL
        let geojson = r#"{"type": "MultiPolygon", "coordinates": [[[[173.020375,-40.919052],[173.247234,-41.331999],[173.958405,-40.926701],[174.247587,-41.349155],[174.248517,-41.770008],[173.876447,-42.233184],[173.22274,-42.970038],[172.711246,-43.372288],[173.080113,-43.853344],[172.308584,-43.865694],[171.452925,-44.242519],[171.185138,-44.897104],[170.616697,-45.908929],[169.831422,-46.355775],[169.332331,-46.641235],[168.411354,-46.619945],[167.763745,-46.290197],[166.676886,-46.219917],[166.509144,-45.852705],[167.046424,-45.110941],[168.303763,-44.123973],[168.949409,-43.935819],[169.667815,-43.555326],[170.52492,-43.031688],[171.12509,-42.512754],[171.569714,-41.767424],[171.948709,-41.514417],[172.097227,-40.956104],[172.79858,-40.493962],[173.020375,-40.919052]]],[[[174.612009,-36.156397],[175.336616,-37.209098],[175.357596,-36.526194],[175.808887,-36.798942],[175.95849,-37.555382],[176.763195,-37.881253],[177.438813,-37.961248],[178.010354,-37.579825],[178.517094,-37.695373],[178.274731,-38.582813],[177.97046,-39.166343],[177.206993,-39.145776],[176.939981,-39.449736],[177.032946,-39.879943],[176.885824,-40.065978],[176.508017,-40.604808],[176.01244,-41.289624],[175.239567,-41.688308],[175.067898,-41.425895],[174.650973,-41.281821],[175.22763,-40.459236],[174.900157,-39.908933],[173.824047,-39.508854],[173.852262,-39.146602],[174.574802,-38.797683],[174.743474,-38.027808],[174.697017,-37.381129],[174.292028,-36.711092],[174.319004,-36.534824],[173.840997,-36.121981],[173.054171,-35.237125],[172.636005,-34.529107],[173.007042,-34.450662],[173.551298,-35.006183],[174.32939,-35.265496],[174.612009,-36.156397]]]]}"#;
        let mut out: Vec<u8> = Vec::new();
        assert!(read_geojson(geojson.as_bytes(), &mut SvgWriter::new(&mut out, invert_y)).is_ok());
        // Has multiple Polygons
        assert_eq!(
            std::str::from_utf8(&out).unwrap(),
            r#"<path d="M 173.020375 40.919052 173.247234 41.331999 173.958405 40.926701 174.247587 41.349155 174.248517 41.770008 173.876447 42.233184 173.22274 42.970038 172.711246 43.372288 173.080113 43.853344 172.308584 43.865694 171.452925 44.242519 171.185138 44.897104 170.616697 45.908929 169.831422 46.355775 169.332331 46.641235 168.411354 46.619945 167.763745 46.290197 166.676886 46.219917 166.509144 45.852705 167.046424 45.110941 168.303763 44.123973 168.949409 43.935819 169.667815 43.555326 170.52492 43.031688 171.12509 42.512754 171.569714 41.767424 171.948709 41.514417 172.097227 40.956104 172.79858 40.493962 173.020375 40.919052 Z "/><path d="M 174.612009 36.156397 175.336616 37.209098 175.357596 36.526194 175.808887 36.798942 175.95849 37.555382 176.763195 37.881253 177.438813 37.961248 178.010354 37.579825 178.517094 37.695373 178.274731 38.582813 177.97046 39.166343 177.206993 39.145776 176.939981 39.449736 177.032946 39.879943 176.885824 40.065978 176.508017 40.604808 176.01244 41.289624 175.239567 41.688308 175.067898 41.425895 174.650973 41.281821 175.22763 40.459236 174.900157 39.908933 173.824047 39.508854 173.852262 39.146602 174.574802 38.797683 174.743474 38.027808 174.697017 37.381129 174.292028 36.711092 174.319004 36.534824 173.840997 36.121981 173.054171 35.237125 172.636005 34.529107 173.007042 34.450662 173.551298 35.006183 174.32939 35.265496 174.612009 36.156397 Z "/>"#
        );

        // lines.fgb, first feature
        let geojson = r#"{"type": "LineString", "coordinates": [[1875038.4476102313,-3269648.6879248763],[1874359.6415041967,-3270196.8129848638],[1874141.0428635243,-3270953.7840121365],[1874440.1778162003,-3271619.4315206874],[1876396.0598222911,-3274138.747656357],[1876442.0805243007,-3275052.60551469],[1874739.312657555,-3275457.333765534]]}"#;
        let mut out: Vec<u8> = Vec::new();
        let invert_y = false;
        assert!(read_geojson(geojson.as_bytes(), &mut SvgWriter::new(&mut out, invert_y)).is_ok());
        assert_eq!(
            std::str::from_utf8(&out).unwrap(),
            r#"<path d="1875038.447610231 -3269648.6879248763 1874359.641504197 -3270196.812984864 1874141.0428635243 -3270953.7840121365 1874440.1778162003 -3271619.4315206874 1876396.0598222911 -3274138.747656357 1876442.0805243007 -3275052.60551469 1874739.312657555 -3275457.333765534 "/>"#
        );

        // ne_10m_geographic_lines.fgb, first feature
        let geojson = r#"{"type": "MultiLineString", "coordinates": 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],[9241419.331025254,2692596.21474788],[9352730.797625326,2692596.21474788],[9464069.442088157,2692596.21474788],[9575371.849400638,2692596.21474788],[9686701.434575878,2692596.21474788],[9798012.901175942,2692596.21474788],[9909333.427063597,2692596.21474788],[10020653.952951254,2692596.21474788],[10131965.419551326,2692596.21474788],[10243295.004726568,2692596.21474788],[10354606.471326638,2692596.21474788],[10465936.05650188,2692596.21474788],[10577256.58238953,2692596.21474788],[10688577.108277192,2692596.21474788],[10799888.574877262,2692596.21474788],[10911218.160052504,2692596.21474788],[11022520.567364983,2692596.21474788],[11133841.093252633,2692596.21474788],[11245179.737715466,2692596.21474788],[11356482.145027963,2692596.21474788],[11467811.730203198,2692596.21474788],[11579123.196803275,2692596.21474788],[11690443.722690927,2692596.21474788],[11801764.24857859,2692596.21474788],[11913093.833753832,2692596.21474788],[12024405.300353901,2692596.21474788],[12135707.707666373,2692596.21474788],[12247046.352129214,2692596.21474788],[12358357.818729272,2692596.21474788],[12469687.403904526,2692596.21474788],[12580998.870504584,2692596.21474788],[12692319.39639224,2692596.21474788],[12803630.862992309,2692596.21474788],[12914969.507455144,2692596.21474788],[13026280.9740552,2692596.21474788],[13137610.559230454,2692596.21474788],[13248912.966542935,2692596.21474788],[13360233.492430585,2692596.21474788],[13471554.018318245,2692596.21474788],[13582865.484918306,2692596.21474788],[13694204.129381137,2692596.21474788],[13805515.595981209,2692596.21474788],[13916836.121868871,2692596.21474788],[14028156.64775652,2692596.21474788],[14139477.173644185,2692596.21474788],[14250788.640244242,2692596.21474788],[14362127.284707077,2692596.21474788],[14473429.692019572,2692596.21474788],[14584741.158619631,2692596.21474788],[14696079.803082459,2692596.21474788],[14807382.210394945,2692596.21474788],[14918711.795570198,2692596.21474788],[15030023.262170255,2692596.21474788],[15141343.78805791,2692596.21474788],[15252664.313945567,2692596.21474788],[15364002.9584084,2692596.21474788],[15475305.365720881,2692596.21474788],[15586634.950896129,2692596.21474788],[15697946.417496186,2692596.21474788],[15809257.884096257,2692596.21474788],[15920587.4692715,2692596.21474788],[16031898.93587157,2692596.21474788],[16143228.52104681,2692596.21474788],[16254549.046934472,2692596.21474788],[16365869.572822122,2692596.21474788],[16477181.039422194,2692596.21474788],[16588510.624597436,2692596.21474788],[16699822.091197504,2692596.21474788],[16811151.676372748,2692596.21474788],[16922454.083685227,2692596.21474788],[17033765.550285302,2692596.21474788],[17145104.19474813,2692596.21474788],[17256415.661348205,2692596.21474788],[17367736.18723587,2692596.21474788],[17479056.71312352,2692596.21474788],[17590377.239011183,2692596.21474788],[17701688.70561124,2692596.21474788],[17813027.350074075,2692596.21474788],[17924338.816674147,2692596.21474788],[18035659.3425618,2692596.21474788],[18146979.868449457,2692596.21474788],[18258282.27576193,2692596.21474788],[18369611.86093717,2692596.21474788],[18480923.327537242,2692596.21474788],[18592261.97200008,2692596.21474788],[18703564.379312553,2692596.21474788],[18814903.023775388,2692596.21474788],[18926205.431087866,2692596.21474788],[19037535.01626311,2692596.21474788],[19148846.482863177,2692596.21474788],[19260167.00875084,2692596.21474788],[19371487.53463849,2692596.21474788],[19482799.001238555,2692596.21474788],[19594128.58641381,2692596.21474788],[19705449.112301473,2692596.21474788],[19816769.638189115,2692596.21474788],[19921404.409836456,2692596.21474788],[20037472.002420496,2692596.21474788]]]}"#;
        let mut out: Vec<u8> = Vec::new();
        assert!(read_geojson(geojson.as_bytes(), &mut SvgWriter::new(&mut out, invert_y)).is_ok());
        assert_eq!(
            std::str::from_utf8(&out).unwrap(),
            r#"<path d="M -20037505.025679983 2692596.21474788 -19924286.672913034 2692596.21474788 -19812966.14702537 2692596.21474788 -19701645.62113772 2692596.21474788 -19590325.09525006 2692596.21474788 -19479004.56936241 2692596.21474788 -19367684.04347475 2692596.21474788 -19256372.576874677 2692596.21474788 -19145042.991699435 2692596.21474788 -19033736.054743163 2692596.21474788 -18922401.939924125 2692596.21474788 -18811090.473324053 2692596.21474788 -18699774.4770802 2692596.21474788 -18588449.421548743 2692596.21474788 -18477128.895661093 2692596.21474788 -18365812.89941723 2692596.21474788 -18254492.373529565 2692596.21474788 -18143167.31799812 2692596.21474788 -18031860.381041847 2692596.21474788 -17920530.795866605 2692596.21474788 -17809219.329266533 2692596.21474788 -17697898.803378873 2692596.21474788 -17586578.277491223 2692596.21474788 -17475257.751603562 2692596.21474788 -17363937.225715913 2692596.21474788 -17252616.69982825 2692596.21474788 -17141296.1739406 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2692596.21474788 16922454.083685227 2692596.21474788 17033765.550285302 2692596.21474788 17145104.19474813 2692596.21474788 17256415.661348205 2692596.21474788 17367736.18723587 2692596.21474788 17479056.71312352 2692596.21474788 17590377.239011183 2692596.21474788 17701688.70561124 2692596.21474788 17813027.350074075 2692596.21474788 17924338.816674147 2692596.21474788 18035659.3425618 2692596.21474788 18146979.868449457 2692596.21474788 18258282.27576193 2692596.21474788 18369611.86093717 2692596.21474788 18480923.32753724 2692596.21474788 18592261.97200008 2692596.21474788 18703564.379312553 2692596.21474788 18814903.023775388 2692596.21474788 18926205.431087863 2692596.21474788 19037535.01626311 2692596.21474788 19148846.482863177 2692596.21474788 19260167.00875084 2692596.21474788 19371487.53463849 2692596.21474788 19482799.001238555 2692596.21474788 19594128.58641381 2692596.21474788 19705449.112301473 2692596.21474788 19816769.638189115 2692596.21474788 19921404.409836456 2692596.21474788 20037472.002420496 2692596.21474788 Z "/>"#
        );

        // ne_10m_admin_0_country_points.fgb, first feature
        let geojson =
            r#"{"type": "Point", "coordinates": [2223639.4731508396,-15878634.348995442]}"#;
        let mut out: Vec<u8> = Vec::new();
        assert!(read_geojson(geojson.as_bytes(), &mut SvgWriter::new(&mut out, invert_y)).is_ok());
        assert_eq!(
            std::str::from_utf8(&out).unwrap(),
            r#"<path d="M 2223639.4731508396 -15878634.348995442 Z"/>"#
        );

        // geoz_lod1_gebaeude_max_3d_extract.fgb, first feature
        let geojson = r#"{"type": "MultiPolygon", "coordinates": [[[[2683312.339,1247968.33],[2683311.496,1247964.044],[2683307.761,1247964.745],[2683309.16,1247973.337],[2683313.003,1247972.616],[2683312.339,1247968.33]],[[2683312.339,1247968.33],[2683313.003,1247972.616],[2683313.003,1247972.616],[2683312.339,1247968.33],[2683312.339,1247968.33]],[[2683307.761,1247964.745],[2683311.496,1247964.044],[2683311.496,1247964.044],[2683307.761,1247964.745],[2683307.761,1247964.745]],[[2683311.496,1247964.044],[2683312.339,1247968.33],[2683312.339,1247968.33],[2683311.496,1247964.044],[2683311.496,1247964.044]]],[[[2683309.16,1247973.337],[2683307.761,1247964.745],[2683307.761,1247964.745],[2683309.16,1247973.337],[2683309.16,1247973.337]]],[[[2683312.339,1247968.33],[2683311.496,1247964.044],[2683307.761,1247964.745],[2683309.16,1247973.337],[2683313.003,1247972.616],[2683312.339,1247968.33]],[[2683313.003,1247972.616],[2683309.16,1247973.337],[2683309.16,1247973.337],[2683313.003,1247972.616],[2683313.003,1247972.616]]]]}"#;
        let mut out: Vec<u8> = Vec::new();
        assert!(read_geojson(geojson.as_bytes(), &mut SvgWriter::new(&mut out, invert_y)).is_ok());
        assert_eq!(
            std::str::from_utf8(&out).unwrap(),
            r#"<path d="M 2683312.339 1247968.33 2683311.496 1247964.044 2683307.761 1247964.745 2683309.16 1247973.337 2683313.003 1247972.616 2683312.339 1247968.33 Z M 2683312.339 1247968.33 2683313.003 1247972.616 2683313.003 1247972.616 2683312.339 1247968.33 2683312.339 1247968.33 Z M 2683307.761 1247964.745 2683311.496 1247964.044 2683311.496 1247964.044 2683307.761 1247964.745 2683307.761 1247964.745 Z M 2683311.496 1247964.044 2683312.339 1247968.33 2683312.339 1247968.33 2683311.496 1247964.044 2683311.496 1247964.044 Z "/><path d="M 2683309.16 1247973.337 2683307.761 1247964.745 2683307.761 1247964.745 2683309.16 1247973.337 2683309.16 1247973.337 Z "/><path d="M 2683312.339 1247968.33 2683311.496 1247964.044 2683307.761 1247964.745 2683309.16 1247973.337 2683313.003 1247972.616 2683312.339 1247968.33 Z M 2683313.003 1247972.616 2683309.16 1247973.337 2683309.16 1247973.337 2683313.003 1247972.616 2683313.003 1247972.616 Z "/>"#
        );

        Ok(())
    }

    #[test]
    fn feature() -> Result<()> {
        let geojson = r#"{"type": "Feature", "properties": {"id": "NZL", "name": "New Zealand"}, "geometry": {"type": "MultiPolygon", "coordinates": [[[[173.020375,-40.919052],[173.247234,-41.331999],[173.958405,-40.926701],[174.247587,-41.349155],[174.248517,-41.770008],[173.876447,-42.233184],[173.22274,-42.970038],[172.711246,-43.372288],[173.080113,-43.853344],[172.308584,-43.865694],[171.452925,-44.242519],[171.185138,-44.897104],[170.616697,-45.908929],[169.831422,-46.355775],[169.332331,-46.641235],[168.411354,-46.619945],[167.763745,-46.290197],[166.676886,-46.219917],[166.509144,-45.852705],[167.046424,-45.110941],[168.303763,-44.123973],[168.949409,-43.935819],[169.667815,-43.555326],[170.52492,-43.031688],[171.12509,-42.512754],[171.569714,-41.767424],[171.948709,-41.514417],[172.097227,-40.956104],[172.79858,-40.493962],[173.020375,-40.919052]]],[[[174.612009,-36.156397],[175.336616,-37.209098],[175.357596,-36.526194],[175.808887,-36.798942],[175.95849,-37.555382],[176.763195,-37.881253],[177.438813,-37.961248],[178.010354,-37.579825],[178.517094,-37.695373],[178.274731,-38.582813],[177.97046,-39.166343],[177.206993,-39.145776],[176.939981,-39.449736],[177.032946,-39.879943],[176.885824,-40.065978],[176.508017,-40.604808],[176.01244,-41.289624],[175.239567,-41.688308],[175.067898,-41.425895],[174.650973,-41.281821],[175.22763,-40.459236],[174.900157,-39.908933],[173.824047,-39.508854],[173.852262,-39.146602],[174.574802,-38.797683],[174.743474,-38.027808],[174.697017,-37.381129],[174.292028,-36.711092],[174.319004,-36.534824],[173.840997,-36.121981],[173.054171,-35.237125],[172.636005,-34.529107],[173.007042,-34.450662],[173.551298,-35.006183],[174.32939,-35.265496],[174.612009,-36.156397]]]]}}"#;
        let mut svg_data: Vec<u8> = Vec::new();
        let mut svg = SvgWriter::new(&mut svg_data, false);
        // svg.set_dimensions(bbox.get(0), bbox.get(1), bbox.get(2), bbox.get(3), 800, 400);
        assert!(read_geojson(geojson.as_bytes(), &mut svg).is_ok());
        assert_eq!(
            std::str::from_utf8(&svg_data).unwrap(),
            r#"<?xml version="1.0"?>
<svg xmlns="http://www.w3.org/2000/svg" version="1.2" baseProfile="tiny" stroke-linecap="round" stroke-linejoin="round">
<g id="">
<path d="M 173.020375 -40.919052 173.247234 -41.331999 173.958405 -40.926701 174.247587 -41.349155 174.248517 -41.770008 173.876447 -42.233184 173.22274 -42.970038 172.711246 -43.372288 173.080113 -43.853344 172.308584 -43.865694 171.452925 -44.242519 171.185138 -44.897104 170.616697 -45.908929 169.831422 -46.355775 169.332331 -46.641235 168.411354 -46.619945 167.763745 -46.290197 166.676886 -46.219917 166.509144 -45.852705 167.046424 -45.110941 168.303763 -44.123973 168.949409 -43.935819 169.667815 -43.555326 170.52492 -43.031688 171.12509 -42.512754 171.569714 -41.767424 171.948709 -41.514417 172.097227 -40.956104 172.79858 -40.493962 173.020375 -40.919052 Z "/><path d="M 174.612009 -36.156397 175.336616 -37.209098 175.357596 -36.526194 175.808887 -36.798942 175.95849 -37.555382 176.763195 -37.881253 177.438813 -37.961248 178.010354 -37.579825 178.517094 -37.695373 178.274731 -38.582813 177.97046 -39.166343 177.206993 -39.145776 176.939981 -39.449736 177.032946 -39.879943 176.885824 -40.065978 176.508017 -40.604808 176.01244 -41.289624 175.239567 -41.688308 175.067898 -41.425895 174.650973 -41.281821 175.22763 -40.459236 174.900157 -39.908933 173.824047 -39.508854 173.852262 -39.146602 174.574802 -38.797683 174.743474 -38.027808 174.697017 -37.381129 174.292028 -36.711092 174.319004 -36.534824 173.840997 -36.121981 173.054171 -35.237125 172.636005 -34.529107 173.007042 -34.450662 173.551298 -35.006183 174.32939 -35.265496 174.612009 -36.156397 Z "/>
</g>
</svg>"#
        );
        Ok(())
    }

    #[test]
    fn conversions() {
        let geom: geo_types::Geometry<f64> = polygon![
            (x: 220., y: 10.),
            (x: 300., y: 210.),
            (x: 170., y: 250.),
            (x: 123., y: 234.),
        ]
        .into();

        assert_eq!(
            &geom.to_svg().unwrap(),
            r#"<path d="M 220 10 300 210 170 250 123 234 220 10 Z "/>"#
        );

        assert_eq!(
            &geom.to_svg_document().unwrap(),
            r#"<?xml version="1.0"?>
<svg xmlns="http://www.w3.org/2000/svg" version="1.2" baseProfile="tiny" stroke-linecap="round" stroke-linejoin="round">
<g id="">
<path d="M 220 10 300 210 170 250 123 234 220 10 Z "/>
</g>
</svg>"#
        );
    }
}