use super::UIWidget;
use maud::{Markup, Render, html};

pub trait UIColor {
    fn color_class(&self) -> &str;
}

pub enum Blue {
    _500,
}

impl UIColor for Blue {
    fn color_class(&self) -> &str {
        match self {
            Blue::_500 => "blue-500",
        }
    }
}

pub enum Gray {
    _800,
}

impl UIColor for Gray {
    fn color_class(&self) -> &str {
        match self {
            Gray::_800 => "gray-800",
        }
    }
}

#[allow(non_snake_case)]
pub fn Background<T: UIWidget + 'static, C: UIColor + 'static>(
    color: C,
    inner: T,
) -> BackgroundWidget {
    BackgroundWidget(Box::new(inner), Box::new(color))
}

pub struct BackgroundWidget(Box<dyn UIWidget>, Box<dyn UIColor>);

impl Render for BackgroundWidget {
    fn render(&self) -> Markup {
        self.render_with_class("")
    }
}

impl UIWidget for BackgroundWidget {
    fn can_inherit(&self) -> bool {
        true
    }

    fn render_with_class(&self, class: &str) -> Markup {
        if self.0.as_ref().can_inherit() {
            self.0
                .as_ref()
                .render_with_class(&format!("bg-{} {class}", self.1.color_class()))
        } else {
            html! {
                div class=(format!("bg-{} {class}", self.1.color_class())) {
                    (self.0.as_ref())
                }
            }
        }
    }
}