use jmbl::{OpOutput, TextNode, JMBL};
use litl::Val;

#[test]
fn simple_text_ranges() {
    let mut jmbl =
        JMBL::new_from_root(|view| view.create_plain_text("Hello"), OpOutput::new_dummy());

    assert_eq!(
        jmbl.get_root().if_text().unwrap().val_to_litl(),
        Val::object([
            ("ranges", Val::array::<Val, _>([])),
            (
                "graphemes",
                Val::array([
                    Val::str("H"),
                    Val::str("e"),
                    Val::str("l"),
                    Val::str("l"),
                    Val::str("o")
                ])
            )
        ])
    );

    jmbl.change(|root, _| {
        let text = root.if_text_mut().unwrap();

        text.add_range(2, 3, Val::str("bold"));
    });

    assert_eq!(
        jmbl.get_root().if_text().unwrap().to_tree(),
        TextNode::Node {
            tag: Val::str("root"),
            certain: true,
            start: 0,
            end: 5,
            children: vec![
                TextNode::Leaf {
                    graphemes: vec![Val::str("H"), Val::str("e")]
                },
                TextNode::Node {
                    tag: Val::str("bold"),
                    certain: true,
                    start: 2,
                    end: 3,
                    children: vec![TextNode::Leaf {
                        graphemes: vec![Val::str("l"),]
                    }]
                },
                TextNode::Leaf {
                    graphemes: vec![Val::str("l"), Val::str("o")]
                }
            ]
        }
    );

    jmbl.change(|root, _| {
        let text = root.if_text_mut().unwrap();

        text.add_range(0, 1, Val::str("bold"));
    });

    println!("{:?}", jmbl.get_root().if_text().unwrap().val());

    assert_eq!(
        jmbl.get_root().if_text().unwrap().to_tree(),
        TextNode::Node {
            tag: Val::str("root"),
            certain: true,
            start: 0,
            end: 5,
            children: vec![
                TextNode::Node {
                    tag: Val::str("bold"),
                    certain: true,
                    start: 0,
                    end: 1,
                    children: vec![TextNode::Leaf {
                        graphemes: vec![Val::str("H"),]
                    }]
                },
                TextNode::Leaf {
                    graphemes: vec![Val::str("e")]
                },
                TextNode::Node {
                    tag: Val::str("bold"),
                    certain: true,
                    start: 2,
                    end: 3,
                    children: vec![TextNode::Leaf {
                        graphemes: vec![Val::str("l"),]
                    }]
                },
                TextNode::Leaf {
                    graphemes: vec![Val::str("l"), Val::str("o")]
                }
            ]
        }
    );
}