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use crate::{options::NumberAttributes, Inspectable};
use bevy::prelude::*;
use bevy_egui::egui;
use egui::Grid;

impl Inspectable for Quat {
    type Attributes = NumberAttributes<[f32; 4]>;

    fn ui(&mut self, ui: &mut egui::Ui, options: Self::Attributes) {
        let options = options.map(|arr| Vec4::from(*arr));
        let mut vec4 = Vec4::from(*self);
        vec4.ui(ui, options);
        *self = vec4.into();
    }
}

impl Inspectable for Transform {
    type Attributes = ();

    fn ui(&mut self, ui: &mut bevy_egui::egui::Ui, _options: Self::Attributes) {
        ui.vertical_centered(|ui| {
            Grid::new(std::any::TypeId::of::<Transform>()).show(ui, |ui| {
                ui.label("Translation");
                self.translation.ui(ui, Default::default());
                ui.end_row();

                ui.label("Rotation");
                self.rotation.ui(ui, Default::default());
                self.rotation = self.rotation.normalize();
                ui.end_row();

                ui.label("Scale");
                let scale_attributes = NumberAttributes {
                    min: Some(Vec3::splat(0.0)),
                    ..Default::default()
                };
                self.scale.ui(ui, scale_attributes);
                ui.end_row();
            });
        });
    }
}

impl Inspectable for Mat3 {
    type Attributes = ();

    fn ui(&mut self, ui: &mut egui::Ui, _: Self::Attributes) {
        ui.wrap(|ui| {
            ui.vertical(|ui| {
                self.x_axis.ui(ui, Default::default());
                self.y_axis.ui(ui, Default::default());
                self.z_axis.ui(ui, Default::default());
            });
        });
    }
}

impl Inspectable for Mat4 {
    type Attributes = ();

    fn ui(&mut self, ui: &mut egui::Ui, _: Self::Attributes) {
        ui.wrap(|ui| {
            ui.vertical(|ui| {
                self.x_axis.ui(ui, Default::default());
                self.y_axis.ui(ui, Default::default());
                self.z_axis.ui(ui, Default::default());
                self.w_axis.ui(ui, Default::default());
            });
        });
    }
}

#[derive(Default, Debug, Clone)]
pub struct ColorAttributes {
    pub alpha: bool,
}

impl Inspectable for Color {
    type Attributes = ColorAttributes;

    fn ui(&mut self, ui: &mut egui::Ui, options: Self::Attributes) {
        let old: [f32; 4] = (*self).into();

        if options.alpha {
            let mut color = egui::color::Color32::from_rgba_premultiplied(
                (old[0] * u8::MAX as f32) as u8,
                (old[1] * u8::MAX as f32) as u8,
                (old[2] * u8::MAX as f32) as u8,
                (old[3] * u8::MAX as f32) as u8,
            );
            ui.color_edit_button_srgba(&mut color);
            let [r, g, b, a] = color.to_array();
            *self = Color::rgba_u8(r, g, b, a);
        } else {
            let mut color = [old[0], old[1], old[2]];
            ui.color_edit_button_rgb(&mut color);
            let [r, g, b] = color;
            *self = Color::rgb(r, g, b);
        }
    }
}