//! Cluster 8 — transclusion attribute parsing. The basic
//! `{{url|alt|key=val}}` shape was already wired; this test pins
//! down quote-stripping on quoted values (`key="quoted value"`)
//! so an HTML renderer doesn't double-emit `"` artefacts.

use nuwiki_core::ast::{BlockNode, InlineNode};
use nuwiki_core::render::{HtmlRenderer, Renderer};
use nuwiki_core::syntax::vimwiki::VimwikiSyntax;
use nuwiki_core::syntax::SyntaxPlugin;

fn parse(src: &str) -> nuwiki_core::ast::DocumentNode {
    VimwikiSyntax::new().parse(src)
}

fn first_transclusion(doc: &nuwiki_core::ast::DocumentNode) -> &nuwiki_core::ast::TransclusionNode {
    let para = match &doc.children[0] {
        BlockNode::Paragraph(p) => p,
        _ => panic!("expected paragraph"),
    };
    for child in &para.children {
        if let InlineNode::Transclusion(t) = child {
            return t;
        }
    }
    panic!("no transclusion in paragraph");
}

#[test]
fn transclusion_attrs_strip_double_quotes() {
    let doc = parse(r#"{{cat.png|cat|style="border: 1px"}}"#);
    let t = first_transclusion(&doc);
    assert_eq!(t.url, "cat.png");
    assert_eq!(t.alt.as_deref(), Some("cat"));
    assert_eq!(
        t.attrs.get("style").map(String::as_str),
        Some("border: 1px")
    );
}

#[test]
fn transclusion_attrs_strip_single_quotes() {
    let doc = parse("{{cat.png|cat|class='thumb'}}");
    let t = first_transclusion(&doc);
    assert_eq!(t.attrs.get("class").map(String::as_str), Some("thumb"));
}

#[test]
fn transclusion_attrs_leave_unquoted_values_alone() {
    let doc = parse("{{cat.png|cat|width=200}}");
    let t = first_transclusion(&doc);
    assert_eq!(t.attrs.get("width").map(String::as_str), Some("200"));
}

#[test]
fn transclusion_renders_clean_html_with_quoted_attr() {
    let doc = parse(r#"{{cat.png|cat|style="border: 1px"}}"#);
    let out = HtmlRenderer::new().render_to_string(&doc).unwrap();
    assert!(out.contains(r#"style="border: 1px""#), "got: {out}");
    assert!(!out.contains("""));
}