use std::sync::mpsc::Receiver;

use xmpd_cache::Message;
use xmpd_manifest::store::BaseStore;
use xmpd_settings::theme::Theme;

use crate::{components::{self, song_list, toast::ToastType, CompGetter, CompUi}, GuiState};

pub fn draw(ctx: &egui::Context, state: &mut GuiState, cache_rx: &Receiver<Message>) -> crate::Result<()> {
    let theme = xmpd_settings::Settings::get()?.theme.clone();
    egui::TopBottomPanel::new(egui::panel::TopBottomSide::Top, "top_nav")
        .frame(get_themed_frame(&theme))
        .show(ctx, |ui| {
            ui.style_mut().visuals.override_text_color = Some(theme.text_color);
            handle_error_ui!(crate::components::top_nav::TopNav::draw(ui, state));
        }
    );
    egui::CentralPanel::default()
        .frame(get_themed_frame(&theme))
        .show(ctx, |ui| {
            handle_error_ui!(components::toast::Toast::draw(ui, state));
            let avail = ui.available_size();
            ui.vertical(|ui| {
                crate::utils::super_separator(ui, theme.accent_color, avail.x, 2.0);
                let avail = ui.available_size();
                let main_height = avail.y * 0.91;

                let left_nav_width = (avail.x * 0.25).clamp(0.0, 200.0);
                let song_list_width = avail.x - left_nav_width - 35.0;
                ui.horizontal(|ui| {
                    ui.set_height(main_height);  
                    ui.vertical(|ui| {
                        ui.set_height(main_height);
                        ui.group(|ui| {
                            //ui.set_height(main_height * 0.1);
                            ui.set_max_width(left_nav_width);
                            handle_error_ui!(crate::components::left_nav::header::Header::draw(ui, state));
                        });
                        let avail = ui.available_size();
                        ui.group(|ui| {
                            ui.set_height(avail.y);
                            ui.set_max_width(left_nav_width);
                            handle_error_ui!(crate::components::left_nav::LeftNav::draw(ui, state));
                        });
                    });
                    ui.vertical(|ui| {
                        ui.group(|ui| {
                            ui.set_width(song_list_width);
                            handle_error_ui!(crate::components::song_list::header::Header::draw(ui, state));
                        });
                        ui.group(|ui| {
                            ui.set_width(song_list_width);
                            handle_error_ui!(crate::components::song_list::SongList::draw(ui, state));
                        });
                    });
                });
                
            });
        }
    );

    egui::TopBottomPanel::new(egui::panel::TopBottomSide::Bottom, "player")
        .frame(get_themed_frame(&theme))
        .show(ctx, |ui| {
            ui.style_mut().visuals.override_text_color = Some(theme.text_color);
            handle_error_ui!(crate::components::player::Player::draw(ui, state));
        }
    );
    if let Ok(msg) = cache_rx.try_recv() {
        match msg {
            Message::DownloadDone(sid) => {
                if let Some(song) = state.manifest.store().get_song(&sid) {
                    let mut toast = crate::components::toast::Toast::get()?;
                    toast.show_toast(
                        "Done downloading",
                        &format!("Downloaded {} by {}", song.name(), song.author()), 
                        ToastType::Info
                    );
                }
            }
            Message::Error(file, line, e) => {
                if let Ok(mut toast) = crate::components::toast::Toast::get() {
                    toast.show_toast(
                        &format!("Error in {file}:{line}"),
                        &format!("{e}"),
                        crate::components::toast::ToastType::Error,
                    );
                }
            }
        }
    }
    

    Ok(())
}

fn get_themed_frame(theme: &Theme) -> egui::Frame {
    egui::Frame::none()
        .fill(theme.primary_bg_color)
        .stroke(egui::Stroke::new(
            5.0,
            theme.secondary_bg_color,
        ))
}