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use rin::events::*;
use rin::math::*;
use rin::color::*;
use rin::graphics::Ttf;
use std::rc::Rc;

/// A shape helper class for all controls
pub struct ControlShape{
    pos: Property<'static, Pnt2>,
    width: Property<'static, f32>,
    height: Property<'static, f32>,
    h_margin: f32,
    v_margin: f32,
    color: Rgb<f32>,
    font: Option<Rc<Ttf>>,
    show_label: bool,
}

impl ControlShape{
    pub fn new<C: ToRgb>(pos: Property<'static, Pnt2>, width: Property<'static, f32>, height: Property<'static, f32>, h_margin: f32, v_margin: f32, color: C) -> ControlShape {
        ControlShape{
            pos,
            width,
            height,
            h_margin,
            v_margin,
            color: color.to_rgb(),
            font: None,
            show_label: true,
        }
    }

    pub fn contained(&self, margin_top: Property<'static, f32>, margin_right: Property<'static, f32>, margin_bottom: Property<'static, f32>, margin_left: Property<'static, f32>) -> ControlShape{
        let pos = self.position()
            .zip(margin_top.clone())
            .zip(margin_left.clone())
            .flatten()
            .map(|(pos, top, left)| pnt2(pos.x + left, pos.y + top));

        let width = self.width()
            .zip(margin_left)
            .zip(margin_right)
            .flatten()
            .map(|(width, left, right)| width - left - right);

        let height = self.height()
            .zip(margin_top)
            .zip(margin_bottom)
            .flatten()
            .map(|(height, top, bottom)| height - top - bottom);

        ControlShape{
            pos,
            width,
            height,
            h_margin: self.h_margin,
            v_margin: self.v_margin,
            color: self.color,
            font: self.font.clone(),
            show_label: true,
        }
    }

    pub fn set_rect(&mut self, rect: Rect<f32>){
        self.pos.set(rect.pos);
        self.width.set(rect.width);
        self.height.set(rect.height);
    }

    // pub fn rect<T: BaseNum>(&self) -> Property<'static, Rect<T>>
    //     where f32: SubsetOf<T>
    // {
    //     self.pos.clone()
    //         .zip(self.width.clone())
    //         .zip(self.height.clone())
    //         .flatten()
    //         .map(|(pos, width, height)| convert(Rect{pos, width, height}))
    // }

    pub fn set_position(&mut self, pos: Pnt2) {
        self.pos.set(pos);
    }

    pub fn set_size(&mut self, size: Vec2){
        self.width.set(size.x);
        self.height.set(size.y);
    }

    pub fn set_position_property(&mut self, pos: Property<'static, Pnt2>) {
        self.pos = pos;
    }

    pub fn set_width(&mut self, width: f32) {
        self.width.set(width);
    }

    pub fn set_width_property(&mut self, width: Property<'static, f32>) {
        self.width = width;
    }

    pub fn set_height(&mut self, height: f32) {
        self.height.set(height);
    }

    pub fn set_height_property(&mut self, height: Property<'static, f32>) {
        self.height = height;
    }

    pub fn position(&self) -> Property<'static, Pnt2> {
        self.pos.clone()
    }

    pub fn size(&self) -> Property<'static, Vec2> {
        self.width.clone()
            .zip(self.height.clone())
            .map(|(w, h)| vec2(w,h))
    }

    pub fn width(&self) -> Property<'static, f32>{
        self.width.clone()
    }

    pub fn height(&self) -> Property<'static, f32>{
        self.height.clone()
    }

    pub fn set_inner_margin(&mut self, margin: f32) {
        self.h_margin = margin;
        self.v_margin = margin;
    }

    pub fn set_h_margin(&mut self, margin: f32) {
        self.h_margin = margin;
    }

    pub fn set_v_margin(&mut self, margin: f32) {
        self.v_margin = margin;
    }

    pub fn set_color<C: ToRgb>(&mut self, color: C) {
        self.color = color.to_rgb();
    }

    pub fn h_margin(&self) -> f32 {
        self.h_margin
    }

    pub fn v_margin(&self) -> f32 {
        self.v_margin
    }

    pub fn color(&self) -> Rgb<f32> {
        self.color
    }

    pub fn set_font(&mut self, font: Rc<Ttf>) {
        self.font = Some(font)
    }

    pub fn font(&self) -> Option<Rc<Ttf>> {
        self.font.clone()
    }

    pub fn hide_label(&mut self){
        self.show_label = false;
    }

    pub fn show_label(&mut self){
        self.show_label = true;
    }

    pub fn label_visible(&self) -> bool{
        self.show_label
    }
}