use sauron::*;

use test_fixtures::simple_program;
use wasm_bindgen_test::*;

mod test_fixtures;

wasm_bindgen_test_configure!(run_in_browser);
#[wasm_bindgen_test]
fn test_remove_nodes() {
    console_log::init_with_level(log::Level::Trace).ok();
    console_error_panic_hook::set_once();

    let document = web_sys::window().unwrap().document().unwrap();

    let old: Node<()> = main(
        vec![class("test5")],
        vec![ul(
            vec![class("todo")],
            vec![
                li(vec![key(0)], vec![text("item0")]),
                li(vec![key(1)], vec![text("item1")]),
                li(vec![key(2)], vec![text("item2")]),
                li(vec![key(3)], vec![text("item3")]),
            ],
        )],
    );

    // we remove the key1
    let update1: Node<()> = main(
        vec![class("test5")],
        vec![ul(
            vec![class("todo")],
            vec![
                li(vec![key(1)], vec![text("item1")]),
                li(vec![key(2)], vec![text("item2")]),
                li(vec![key(3)], vec![text("item3")]),
            ],
        )],
    );

    let patches = diff(&old, &update1);
    log::debug!("patches: {:#?}", patches);

    let mut old_html = String::new();
    old.render(&mut old_html).expect("must render");

    let mut simple_program = simple_program();
    simple_program
        .update_dom_with_vdom(old)
        .expect("must update dom");

    let container = document
        .query_selector(".test5")
        .expect("must not error")
        .expect("must exist");

    let expected = "<main class=\"test5\"><ul class=\"todo\"><li key=\"0\">item0</li><li key=\"1\">item1</li><li key=\"2\">item2</li><li key=\"3\">item3</li></ul></main>";

    assert_eq!(expected, container.outer_html());

    simple_program
        .update_dom_with_vdom(update1)
        .expect("must not error");

    let container = document
        .query_selector(".test5")
        .expect("must not error")
        .expect("must exist");

    let expected1 = "<main class=\"test5\"><ul class=\"todo\"><li key=\"1\">item1</li><li key=\"2\">item2</li><li key=\"3\">item3</li></ul></main>";

    assert_eq!(expected1, container.outer_html());
}