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//! provide some frequestly used aliases,
//! for the rest, use `RespoNode::make_tag(tag_name)` to create you own.

use std::fmt::Debug;

use crate::{CssSize, RespoStyle};

use super::primes::RespoNode;

/// a macro for creating a function with a named node
/// ```ignore
/// declare_tag!(div);
/// ```
#[macro_export]
macro_rules! declare_tag {
  ( $name:ident, $doc: expr) => {
    #[doc=$doc]
    #[allow(dead_code)]
    pub fn $name<T>() -> RespoNode<T>
    where
      T: Debug + Clone,
    {
      $crate::respo::RespoNode::new_tag(stringify!($name))
    }
  };
}

declare_tag!(div, "`<div/>`");
declare_tag!(header, "`<header/>`");
declare_tag!(section, "`<section/>`");
declare_tag!(footer, "`<footer/>`");
declare_tag!(span, "`<span/>`");
declare_tag!(input, "`<input/>`");
declare_tag!(textarea, "`<input/>`");
declare_tag!(link, "`<link/>`");
declare_tag!(button, "`<button/>`");
declare_tag!(pre, "`<pre/>`");
declare_tag!(img, "`<img/>`");
declare_tag!(video, "`<video/>`");
declare_tag!(code, "`<code/>`");
declare_tag!(a, "`<a/>`");
declare_tag!(h1, "`<h1/>`");
declare_tag!(h2, "`<h2/>`");
declare_tag!(h3, "`<h3/>`");
declare_tag!(h4, "`<h4/>`");
declare_tag!(blockquote, "`<blockquote/>`");
declare_tag!(ul, "`<ul/>`");
declare_tag!(li, "`<li/>`");
declare_tag!(label, "`<label/>`");

/// special function to return `<div/>` with width/height that can be used as a space
pub fn space<T>(w: Option<i32>, h: Option<i32>) -> RespoNode<T>
where
  T: Clone + Debug,
{
  match (w, h) {
    (Some(wv), Some(hv)) => div()
      .style(
        RespoStyle::default()
          .width(CssSize::Px(wv as f32))
          .height(CssSize::Px(hv as f32))
          .display(crate::CssDisplay::InlineBlock)
          .to_owned(),
      )
      .to_owned(),
    (Some(wv), None) => span()
      .style(
        RespoStyle::default()
          .width(CssSize::Px(wv as f32))
          .display(crate::CssDisplay::InlineBlock)
          .to_owned(),
      )
      .to_owned(),
    (None, Some(hv)) => div()
      .style(
        RespoStyle::default()
          .height(CssSize::Px(hv as f32))
          .width(CssSize::Px(1.0))
          .display(crate::CssDisplay::Block)
          .to_owned(),
      )
      .to_owned(),
    (None, None) => span()
      .style(
        RespoStyle::default()
          .width(CssSize::Px(8.))
          .height(CssSize::Px(8.))
          .display(crate::CssDisplay::InlineBlock)
          .to_owned(),
      )
      .to_owned(),
  }
}