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use crate::XMLDocx;

use std::io::prelude::*;
use std::io::Seek;
use zip::write::FileOptions;

pub fn zip<W>(w: W, xml: XMLDocx) -> zip::result::ZipResult<()>
where
    W: Write + Seek,
{
    let mut zip = zip::ZipWriter::new(w);

    zip.add_directory("word/", Default::default())?;
    zip.add_directory("word/_rels", Default::default())?;
    zip.add_directory("_rels/", Default::default())?;
    zip.add_directory("docProps/", Default::default())?;

    let options = FileOptions::default()
        .compression_method(zip::CompressionMethod::Stored)
        .unix_permissions(0o755);

    zip.start_file("[Content_Types].xml", options)?;
    zip.write_all(&xml.content_type)?;
    zip.start_file("_rels/.rels", options)?;
    zip.write_all(&xml.rels)?;
    zip.start_file("docProps/app.xml", options)?;
    zip.write_all(&xml.doc_props.app)?;
    zip.start_file("docProps/core.xml", options)?;
    zip.write_all(&xml.doc_props.core)?;
    zip.start_file("word/_rels/document.xml.rels", options)?;
    zip.write_all(&xml.document_rels)?;
    zip.start_file("word/document.xml", options)?;
    zip.write_all(&xml.document)?;
    zip.start_file("word/styles.xml", options)?;
    zip.write_all(&xml.styles)?;
    zip.start_file("word/settings.xml", options)?;
    zip.write_all(&xml.settings)?;
    zip.start_file("word/fontTable.xml", options)?;
    zip.write_all(&xml.font_table)?;
    zip.start_file("word/comments.xml", options)?;
    zip.write_all(&xml.comments)?;
    zip.start_file("word/numbering.xml", options)?;
    zip.write_all(&xml.numberings)?;
    zip.start_file("word/header1.xml", options)?;
    zip.write_all(&xml.header)?;
    zip.start_file("word/CommentsExtended.xml", options)?;
    zip.write_all(&xml.comments_extended)?;

    if !xml.media.is_empty() {
        zip.add_directory("word/media/", Default::default())?;
        for m in xml.media {
            zip.start_file(format!("word/media/image{}.jpg", m.0), options)?;
            zip.write_all(&m.1)?;
        }
    }

    zip.finish()?;
    Ok(())
}