use eframe::egui::{self, RichText};

use crate::{application::Application, APP_NAME};

pub fn draw_sidebar(ctx: &egui::Context, app: &mut Application) {
    egui::SidePanel::left("left_panel")
        .exact_width(230.)
        .show(ctx, |ui| {
            ui.add_space(6.0);

            ui.heading(APP_NAME);

            ui.add_space(12.0);

            let id = ui.make_persistent_id("GerberContainer");
            egui::collapsing_header::CollapsingState::load_with_default_open(ui.ctx(), id, true)
                .show_header(ui, |ui| {
                    ui.horizontal_centered(|ui| {
                        ui.image(app.resources.icons().gerber_file.clone());
                        ui.label(
                            RichText::new("Gerber")
                                .extra_letter_spacing(1.2)
                                .size(17.)
                                .strong(),
                        );
                    });
                })
                .body(|ui| {
                    for (key, (name, _)) in app.gerbers.iter() {
                        ui.selectable_value(
                            &mut app.selection,
                            key.to_string(),
                            RichText::new(name).size(11.),
                        );
                    }
                });

            let id = ui.make_persistent_id("ExcellonContainer");
            egui::collapsing_header::CollapsingState::load_with_default_open(ui.ctx(), id, true)
                .show_header(ui, |ui| {
                    ui.horizontal_centered(|ui| {
                        ui.image(app.resources.icons().excellon_file.clone());
                        ui.label(
                            RichText::new("Excellon")
                                .extra_letter_spacing(1.2)
                                .size(17.)
                                .strong(),
                        );
                    });
                })
                .body(|ui| {
                    for (key, (name, _)) in app.excellons.iter() {
                        ui.selectable_value(&mut app.selection, key.to_string(), name);
                    }
                });

            let id = ui.make_persistent_id("GeometryContainer");
            egui::collapsing_header::CollapsingState::load_with_default_open(ui.ctx(), id, true)
                .show_header(ui, |ui| {
                    ui.horizontal_centered(|ui| {
                        ui.image(app.resources.icons().geometry_file.clone());
                        ui.label(
                            RichText::new("Geometry")
                                .extra_letter_spacing(1.2)
                                .size(17.)
                                .strong(),
                        );
                    });
                })
                .body(|ui| {
                    for (key, _) in app.outlines.iter() {
                        ui.selectable_value(&mut app.selection, key.to_string(), key);
                    }
                });

            // allocate rest of the container
            let (id, rect) = ui.allocate_space(ui.available_size());
            let response = ui.interact(rect, id, egui::Sense::click_and_drag());
            if response.clicked() {
                app.selection = "".into();
            }
        });
}