/*
    wearechat - generic multiplayer game with voip
    Copyright (C) 2025 metamuffin

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as published by
    the Free Software Foundation, version 3 of the License only.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/
use super::InterfaceData;
use egui::{ComboBox, Grid, Slider, Widget};
use std::sync::Arc;
use wgpu::PresentMode;

pub struct GraphicsConfigInterface {
    pub idata: Arc<InterfaceData>,
}

impl Widget for &mut GraphicsConfigInterface {
    fn ui(self, ui: &mut egui::Ui) -> egui::Response {
        let mut conf = self.idata.graphics_config.lock().unwrap();
        Grid::new("gconf").show(ui, |ui| {
            ui.label("Primitive Multisampling AA");
            ui.vertical(|ui| {
                ComboBox::from_id_salt("msaa")
                    .selected_text(match conf.1.sample_count {
                        1 => "No MSAA",
                        2 => "MSAAx2",
                        4 => "MSAAx4",
                        8 => "MSAAx8",
                        _ => unreachable!(),
                    })
                    .show_ui(ui, |ui| {
                        ui.selectable_value(&mut conf.1.sample_count, 1, "No MSAA");
                        ui.selectable_value(&mut conf.1.sample_count, 2, "MSAAx2");
                        ui.selectable_value(&mut conf.1.sample_count, 4, "MSAAx4");
                        ui.selectable_value(&mut conf.1.sample_count, 8, "MSAAx8");
                    });
            });
            ui.end_row();
            ui.label("Mipmap Levels");
            ui.add(Slider::new(&mut conf.1.max_mip_count, 1..=32).show_value(true));
            ui.end_row();
            ui.label("Maximum Anisotropy");
            ui.add(Slider::new(&mut conf.1.max_anisotropy, 1..=32).show_value(true));
            ui.end_row();
            ui.label("Present Mode");
            ui.vertical(|ui| {
                ComboBox::from_id_salt("pm")
                    .selected_text(format!("{:?}", conf.1.present_mode))
                    .show_ui(ui, |ui| {
                        for mode in [
                            PresentMode::AutoVsync,
                            PresentMode::AutoNoVsync,
                            PresentMode::Fifo,
                            PresentMode::FifoRelaxed,
                            PresentMode::Immediate,
                            PresentMode::Mailbox,
                        ] {
                            ui.selectable_value(
                                &mut conf.1.present_mode,
                                mode,
                                format!("{mode:?}"),
                            );
                        }
                    });
            });
            ui.end_row();
        });
        if ui.button("Apply").clicked() {
            conf.0 = true;
        }
        ui.response()
    }
}