use super::Font;
use crate::documents::BuildXML;
use crate::types::FontPitchType;
use crate::xml_builder::*;
use std::io::Write;

use serde::Serialize;

#[derive(Debug, Clone, PartialEq, Serialize, Default)]
#[serde(rename_all = "camelCase")]
pub struct FontTable {}

impl FontTable {
    pub fn new() -> FontTable {
        Default::default()
    }
}

impl BuildXML for FontTable {
    fn build_to<W: Write>(
        &self,
        stream: xml::writer::EventWriter<W>,
    ) -> xml::writer::Result<xml::writer::EventWriter<W>> {
        let b = XMLBuilder::from(stream);
        let times = Font::new("Times New Roman", "00", "roman", FontPitchType::Variable);
        let symbol = Font::new("Symbol", "02", "roman", FontPitchType::Variable);
        let arial = Font::new("Arial", "00", "swiss", FontPitchType::Variable);
        b.declaration(Some(true))?
            .open_fonts()?
            .add_child(&times)?
            .add_child(&symbol)?
            .add_child(&arial)?
            .close()?
            .into_inner()
    }
}

#[cfg(test)]
mod tests {

    use super::*;
    use pretty_assertions::assert_str_eq;
    use std::str;

    #[test]
    fn test_settings() {
        let c = FontTable::new();
        let b = c.build();
        assert_str_eq!(
            str::from_utf8(&b).unwrap(),
            r#"<?xml version="1.0" encoding="UTF-8" standalone="yes"?><w:fonts xmlns:w="http://schemas.openxmlformats.org/wordprocessingml/2006/main" xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships"><w:font w:name="Times New Roman"><w:charset w:val="00" /><w:family w:val="roman" /><w:pitch w:val="variable" /></w:font><w:font w:name="Symbol"><w:charset w:val="02" /><w:family w:val="roman" /><w:pitch w:val="variable" /></w:font><w:font w:name="Arial"><w:charset w:val="00" /><w:family w:val="swiss" /><w:pitch w:val="variable" /></w:font></w:fonts>"#
        );
    }
}