use std::path::PathBuf;

use egui::TextBuffer;
use xmpd_manifest::store::{JsonStore, TomlStore};

use crate::windows::WindowId;

use super::{CompGetter, CompUi};

#[derive(Debug, Default)]
pub struct TopNav {
    // for dialog 
    manifest_path: Option<(PathBuf, String)>
}

component_register!(TopNav);

impl CompUi for TopNav {
    fn draw(ui: &mut egui::Ui, state: &mut crate::GuiState) -> crate::Result<()> {
        ui.add_space(3.0);
        ui.horizontal(|ui| {
            ui.add_space(3.0);
            egui::menu::bar(ui, |ui| {
                ui.menu_button("File", |ui| {
                    if ui.button("Settings").clicked() {
                        state.windows.toggle(&WindowId::Settings, true);
                        ui.close_menu();
                    }
                });
                ui.menu_button("Manifest", |ui| {
                    if ui.button("Save").clicked() {
                        handle_error_ui!(state.manifest.save());
                        ui.close_menu();
                    }
                    if ui.button("Save As").clicked() {
                        std::thread::spawn(|| -> crate::Result<()> {
                            let mut dialog = rfd::FileDialog::new()
                                .add_filter("Json", &["json"])
                                .add_filter("Toml", &["toml"])
                                .set_title("Save Manifest As")
                                .set_can_create_directories(true)
                                .set_file_name("manifest");
                            if let Some(home_dir) = dirs::home_dir() {
                                dialog = dialog.set_directory(home_dir);
                            }
                            if let Some(path) = dialog.save_file() {
                                if let Some(ext) = path.extension() {
                                    TopNav::get()?.manifest_path = Some((path.clone(), ext.to_string_lossy().to_string()))
                                }
                            }
                            Ok(())
                        });
                    }
                });
                ui.menu_button("Help", |ui| {
                    if ui.button("Source").clicked() {
                        ui.ctx().open_url(egui::OpenUrl::new_tab("https://git.mcorangehq.xyz/XOR64/music"));
                        ui.close_menu();
                    }

                    #[cfg(debug_assertions)]
                    if ui.button("Debug").clicked() {
                        state.windows.toggle(&WindowId::Debug, true);
                        ui.close_menu();
                    }
        
                });

             });
        });
        let mut used = false;
        if let Some((path, ext)) = &TopNav::get()?.manifest_path {
            match ext.as_str() {
                "json" => state.manifest.convert_and_save_to::<JsonStore>(&path)?,
                "toml" => state.manifest.convert_and_save_to::<TomlStore>(&path)?,
                _ => ()
            }
            used = true;
        }
        if used {
            TopNav::get()?.manifest_path = None;
        }
        Ok(())
     } 
}