#![allow(unused_variables)]
#![allow(dead_code)]

#[doc(inline)]
pub use super::list::{ActionDetail, ListIndex, SelectedDetail};

use super::text_inputs::{
    // validity_state::ValidityStateJS, 
    NativeValidityState, ValidityState, ValidityTransform,
};
use super::utils::WeakComponentLink;
use super::{event_into_details, to_option, to_option_string};
use gloo::events::EventListener;
use wasm_bindgen::prelude::*;
use web_sys::Node;
use yew::prelude::*;

/// The `select` component
///
/// [Documentation](https://github.com/material-components/material-components-web-components/tree/master/packages/select)
pub struct Select {
    props: Props,
    node_ref: NodeRef,
    // validity_transform_closure:
    //     Option<Closure<dyn Fn(String, NativeValidityState) -> ValidityStateJS>>,
    opened_listener: Option<EventListener>,
    closed_listener: Option<EventListener>,
    action_listener: Option<EventListener>,
    selected_listener: Option<EventListener>,
}

/// Props for [`Select`]
///
/// Documentation:
///
/// - [Properties](https://github.com/material-components/material-components-web-components/tree/master/packages/select#propertiesattributes)
/// - [Events](https://github.com/material-components/material-components-web-components/tree/master/packages/select#events)
#[derive(Clone, PartialEq, Properties)]
pub struct Props {
    #[prop_or_default]
    pub value: String,
    #[prop_or_default]
    pub label: String,
    #[prop_or_default]
    pub natural_menu_width: bool,
    #[prop_or_default]
    pub icon: String,
    #[prop_or_default]
    pub disabled: bool,
    #[prop_or_default]
    pub outlined: bool,
    #[prop_or_default]
    pub helper: String,
    #[prop_or_default]
    pub required: bool,
    #[prop_or_default]
    pub validation_message: String,
    #[prop_or_default]
    pub items: String,
    #[prop_or(- 1)]
    pub index: i64,
    // #[prop_or_default]
    // pub validity_transform: Option<ValidityTransform>,
    #[prop_or_default]
    pub validate_on_initial_render: bool,
    #[prop_or_default]
    pub children: Children,
    /// [`WeakComponentLink`] for `List` which provides the following methods
    /// - ```select(&self)```
    ///
    /// See [`WeakComponentLink`] documentation for more information
    #[prop_or_default]
    pub select_link: WeakComponentLink<Select>,
    /// Binds to `opened` event on `select-surface`
    ///
    /// See events docs to learn more.
    #[prop_or_default]
    pub onopened: Callback<()>,
    /// Binds to `closed` event on `select-surface`
    ///
    /// See events docs to learn more.
    #[prop_or_default]
    pub onclosed: Callback<()>,
    /// Binds to `action` event on `list`
    ///
    /// See events docs to learn more.
    #[prop_or_default]
    pub onaction: Callback<ActionDetail>,
    /// Binds to `selected` event on `list`
    ///
    /// See events docs to learn more.
    #[prop_or_default]
    pub onselected: Callback<SelectedDetail>,
}

impl Component for Select {
    type Message = ();
    type Properties = Props;

    fn create(props: Self::Properties, link: ComponentLink<Self>) -> Self {
        // props.select_link.borrow_mut().replace(link);
        // Select::ensure_loaded();
        Self {
            props,
            node_ref: NodeRef::default(),
            // validity_transform_closure: None,
            opened_listener: None,
            closed_listener: None,
            action_listener: None,
            selected_listener: None,
        }
    }

    fn update(&mut self, _msg: Self::Message) -> ShouldRender {
        false
    }

    fn change(&mut self, props: Self::Properties) -> bool {
        if self.props != props {
            self.props = props;
            true
        } else {
            false
        }
    }

    fn view(&self) -> Html {
        //         value?=to_option_string(&self.props.value)
        //         label?=to_option_string(&self.props.label)
        //         naturalMenuWidth?=to_option(self.props.natural_menu_width)
        //         icon?=to_option_string(&self.props.icon)
        //         disabled=self.props.disabled
        //         outlined?=to_option(self.props.outlined)
        //         helper?=to_option_string(&self.props.helper)
        //         required=self.props.required
        //         validationMessage?=to_option_string(&self.props.validation_message)
        //         items?=to_option_string(&self.props.items)
        //         index=self.props.index
        //         validateOnInitialRender?=to_option(self.props.validate_on_initial_render)
        //         ref=self.node_ref.clone()

        //       { self.props.children.clone() }

        html!{
            <div class="mdc-select mdc-select--filled demo-width-class">
                <div class="mdc-select__anchor"
                    role="button"
                    aria-haspopup="listbox"
                    aria-expanded="false"
                    aria-labelledby="demo-label demo-selected-text">
                    <span class="mdc-select__ripple"></span>
                    <span id="demo-label" class="mdc-floating-label"> { "Pick a Food Group" }</span>
                    <span class="mdc-select__selected-text-container">
                    <span id="demo-selected-text" class="mdc-select__selected-text">{ "Vegetables" }</span>
                    </span>
                    <span class="mdc-select__dropdown-icon">
                        <svg
                            class="mdc-select__dropdown-icon-graphic"
                            viewBox="7 10 10 5" focusable="false">
                            <polygon
                                class="mdc-select__dropdown-icon-inactive"
                                stroke="none"
                                fill-rule="evenodd"
                                points="7 10 12 15 17 10">
                            </polygon>
                            <polygon
                                class="mdc-select__dropdown-icon-active"
                                stroke="none"
                                fill-rule="evenodd"
                                points="7 15 12 10 17 15">
                            </polygon>
                        </svg>
                    </span>
                    <span class="mdc-line-ripple"></span>
                </div>

                <div class="mdc-select__menu mdc-menu mdc-menu-surface mdc-menu-surface--fullwidth">
                    <ul class="mdc-list" role="listbox" aria-label="Food picker listbox">
                    <li class="mdc-list-item mdc-list-item--selected" aria-selected="true" data-value="" role="option">
                        <span class="mdc-list-item__ripple"></span>
                    </li>
                    <li class="mdc-list-item" aria-selected="false" data-value="grains" role="option">
                        <span class="mdc-list-item__ripple"></span>
                        <span class="mdc-list-item__text">
                        { "Bread, Cereal, Rice, and Pasta" }
                        </span>
                    </li>
                    <li class="mdc-list-item mdc-list-item--disabled" aria-selected="false" data-value="vegetables" aria-disabled="true" role="option">
                        <span class="mdc-list-item__ripple"></span>
                        <span class="mdc-list-item__text">
                        { "Vegetables" }
                        </span>
                    </li>
                    <li class="mdc-list-item" aria-selected="false" data-value="fruit" role="option">
                        <span class="mdc-list-item__ripple"></span>
                        <span class="mdc-list-item__text">
                        { "Fruit" }
                        </span>
                    </li>
                    </ul>
                </div>
            </div>
        }
    }

    //noinspection DuplicatedCode
    fn rendered(&mut self, first_render: bool) {
        // if first_render {
        //     let element = self.node_ref.cast::<Select>().unwrap();
        //     if let Some(transform) = self.props.validity_transform.clone() {
        //         self.validity_transform_closure = Some(Closure::wrap(Box::new(
        //             move |s: String, v: NativeValidityState| -> ValidityStateJS {
        //                 transform.0(s, v).into()
        //             },
        //         )
        //             as Box<dyn Fn(String, NativeValidityState) -> ValidityStateJS>));
        //         element.set_validity_transform(&self.validity_transform_closure.as_ref().unwrap());
        //     }

        //     let onopened = self.props.onopened.clone();
        //     self.opened_listener = Some(EventListener::new(&element, "opened", move |_| {
        //         onopened.emit(())
        //     }));

        //     let onclosed = self.props.onclosed.clone();
        //     self.closed_listener = Some(EventListener::new(&element, "closed", move |_| {
        //         onclosed.emit(())
        //     }));

        //     let on_action = self.props.onaction.clone();
        //     self.action_listener = Some(EventListener::new(&element, "action", move |event| {
        //         on_action.emit(ActionDetail::from(event_into_details(event)))
        //     }));

        //     let on_selected = self.props.onselected.clone();
        //     self.selected_listener = Some(EventListener::new(&element, "selected", move |event| {
        //         on_selected.emit(SelectedDetail::from(event_into_details(event)))
        //     }));
        // }
    }
}

impl WeakComponentLink<Select> {
    pub fn select(&self, val: usize) {
        // let c = (*self.borrow().as_ref().unwrap().get_component().unwrap())
        //     .node_ref
        //     .clone();
        // let select_element = c.cast::<Select>().unwrap();
        // select_element.select(val);
    }
}

impl Select {
    /// Returns [`ValidityTransform`] to be passed to `validity_transform` prop
    pub fn validity_transform<F: Fn(String, NativeValidityState) -> ValidityState + 'static>(
        func: F,
    ) -> ValidityTransform {
        ValidityTransform::new(func)
    }
}