use leptos::*;
use thaw::*;

#[slot]
pub struct DemoCode {
    #[prop(optional)]
    html: &'static str,
    children: Children,
}

#[component]
pub fn Demo(demo_code: DemoCode, children: Children) -> impl IntoView {
    mount_style("demo", prisms::prism_css!());
    let theme = use_theme(Theme::light);
    let style = create_memo(move |_| {
        let mut style = String::from("background-image: url(/thaw/grid_dot.svg); background-repeat: repeat; background-size: 1.5rem; margin-top: 1rem; padding: 1rem; border-top-left-radius: 0.5rem; border-top-right-radius: 0.5rem;");
        theme.with(|theme| {
            if theme.common.color_scheme == "dark" {
                style.push_str("border: 1px solid #383f52;");
            } else {
                style.push_str(&format!("border: 1px solid {};", theme.common.border_color));
            }
        });
        style
    });
    let code_style = create_memo(move |_| {
        let mut style = String::from("font-weight: 400; font-size: 0.875em; line-height: 1.7142857;margin-bottom: 1rem; padding: 1rem; border-bottom-left-radius: 0.5rem; border-bottom-right-radius: 0.5rem;");
        theme.with(|theme| {
            if theme.common.color_scheme == "dark" {
                style.push_str("border: 1px solid #383f52; border-top-width: 0;");
                style.push_str("background-color: #242832;");
            } else {
                style.push_str(&format!(
                    "border: 1px solid {}; border-top-width: 0;",
                    theme.common.border_color
                ));
                style.push_str("background-color: #f9fafb;");
            }
        });
        style
    });
    view! {
        <div style=move || style.get()>
            {children()}
        </div>
        <div style=move || code_style.get()>
            <Code>
                <pre style="margin: 0" inner_html=demo_code.html>
                    {(demo_code.children)()}
                </pre>
            </Code>
        </div>
    }
}