use eframe::egui::{self, Slider};
use egui_modal::Modal;

use crate::{state::EmuState, window::Window, Options};

pub struct OptionWindow {
    options: Options,
    category: OptionsCategory,
}

#[derive(PartialEq, Eq)]
enum OptionsCategory {
    General,
    Cards,
}

impl OptionWindow {
    pub fn new(ctx: &egui::Context, state: &EmuState) -> Self {
        Modal::new(ctx, "options_modal").open();
        Self {
            options: state.options(),
            category: OptionsCategory::General,
        }
    }
}

impl Window for OptionWindow {
    fn draw(&mut self, ctx: &egui::Context, state: &mut EmuState) -> bool {
        let modal = Modal::new(ctx, "options_modal");
        modal.show(|ui| {
            modal.title(ui, "Options");
            ui.horizontal(|ui| {
                ui.selectable_value(&mut self.category, OptionsCategory::General, "General");
                ui.selectable_value(&mut self.category, OptionsCategory::Cards, "Cards");
            });
            match self.category {
                OptionsCategory::General => {
                    ui.checkbox(&mut self.options.mute, "Mute");
                    ui.checkbox(&mut self.options.fan_enabled, "Fan enabled");
                    ui.add(Slider::new(&mut self.options.volume, 0.0..=100.0).text("Volume"));
                }
                OptionsCategory::Cards => {
                    ui.heading("TODO");
                }
            }
            modal.buttons(ui, |ui| {
                if ui.button("Apply").clicked() {
                    state.update_options(self.options);
                }
                if modal.button(ui, "OK").clicked() {
                    state.update_options(self.options);
                }
                modal.caution_button(ui, "Cancel");
            });
        });
        !modal.is_open()
    }
}