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use crate::{
    pre_hooks, unpack_named_slots, widget,
    widget::{
        component::containers::{
            anchor_box::{pivot_to_anchor_and_align, use_anchor_box, AnchorProps, PivotBoxProps},
            content_box::content_box,
            portal_box::{portal_box, use_portals_container_relative_layout},
        },
        context::WidgetContext,
        node::WidgetNode,
        unit::{area::AreaBoxNode, content::ContentBoxItemLayout},
        utils::{Rect, Vec2},
    },
    PropsData,
};
use serde::{Deserialize, Serialize};

#[derive(PropsData, Debug, Default, Copy, Clone, Serialize, Deserialize)]
#[props_data(crate::props::PropsData)]
#[prefab(crate::Prefab)]
pub struct ContextBoxProps {
    #[serde(default)]
    pub show: bool,
}

#[pre_hooks(use_anchor_box)]
pub fn context_box(mut context: WidgetContext) -> WidgetNode {
    let WidgetContext {
        id,
        idref,
        key,
        props,
        state,
        named_slots,
        ..
    } = context;
    unpack_named_slots!(named_slots => {content, context, backdrop});

    let ContextBoxProps { show } = props.read_cloned_or_default();
    let anchor_state = state.read_cloned_or_default::<AnchorProps>();
    let pivot_props = props.read_cloned_or_default::<PivotBoxProps>();
    let (Vec2 { x, y }, align) = pivot_to_anchor_and_align(&pivot_props, &anchor_state);

    let context = if show {
        context.remap_props(|content_props| {
            let mut item_props = content_props.read_cloned_or_default::<ContentBoxItemLayout>();
            item_props.anchors = Rect {
                left: x,
                right: x,
                top: y,
                bottom: y,
            };
            item_props.align = align;
            content_props.with(item_props)
        });

        widget! {
            (#{"portal"} portal_box {
                content = (#{"content"} content_box [
                    {backdrop}
                    {context}
                ])
            })
        }
    } else {
        widget! {()}
    };

    let content = widget! {
        (#{key} | {idref.cloned()} content_box: {props.clone()} [
            {content}
            {context}
        ])
    };

    widget! {{{
        AreaBoxNode {
            id: id.to_owned(),
            slot: Box::new(content),
            renderer_effect: None,
        }
    }}}
}

#[pre_hooks(use_portals_container_relative_layout)]
pub fn portals_context_box(mut context: WidgetContext) -> WidgetNode {
    context_box(context)
}