use eframe::egui;

use crate::highlight::HighlightManager;
use crate::tab_manager::IndexingState;

pub struct TopMenuActions{
    pub open_file_requested: bool,
}

pub fn render_top_menu(
    ctx: &egui::Context,
    highlight_manager: &mut HighlightManager,
    indexing_state: &IndexingState,

) -> TopMenuActions {

    let mut top_menu_actions = TopMenuActions{open_file_requested: false};

    egui::TopBottomPanel::top("top_panel").show(ctx, |ui| {
        ui.horizontal(|ui| {
            if ui.button("📂 Open File").clicked() {
                top_menu_actions.open_file_requested = true;
            }

            if ui.button("🎨 Highlights").clicked() {
                highlight_manager.toggle_editor();
            }

            ui.separator();

            let mut to_toggle = None;
            for (idx, rule) in highlight_manager.rules.iter().enumerate() {
                let color = egui::Color32::from_rgb(rule.color[0], rule.color[1], rule.color[2]);
                let button_text = egui::RichText::new(&rule.pattern)
                    .background_color(color)
                    .color(egui::Color32::BLACK);

                if ui.selectable_label(rule.enabled, button_text).clicked() {
                    to_toggle = Some(idx);
                }
            }

            if let Some(idx) = to_toggle {
                highlight_manager.toggle_rule(idx);
                // Signal that config should be saved
            }

            ui.separator();

            if indexing_state.is_indexing() {
                ui.spinner();
                ui.label("Indexing...");
            }
        });
    });

    top_menu_actions
}