//! Implements an example toolbar for a Preferences app. Could be cleaner, probably worth cleaning
//! up at some point.

use cacao::appkit::toolbar::{ItemIdentifier, Toolbar, ToolbarDelegate, ToolbarItem};
use cacao::image::{Image, MacSystemIcon};

use crate::storage::{dispatch_ui, Message};

#[derive(Debug)]
pub struct PreferencesToolbar((ToolbarItem, ToolbarItem));

impl Default for PreferencesToolbar {
    fn default() -> Self {
        PreferencesToolbar((
            {
                let mut item = ToolbarItem::new("general");
                item.set_title("General");

                let icon = Image::toolbar_icon(MacSystemIcon::PreferencesGeneral, "General");
                item.set_image(icon);

                item.set_action(|| {
                    dispatch_ui(Message::SwitchPreferencesToGeneralPane);
                });

                item
            },
            {
                let mut item = ToolbarItem::new("advanced");
                item.set_title("Advanced");

                let icon = Image::toolbar_icon(MacSystemIcon::PreferencesAdvanced, "Advanced");
                item.set_image(icon);

                item.set_action(|| {
                    dispatch_ui(Message::SwitchPreferencesToAdvancedPane);
                });

                item
            },
        ))
    }
}

impl ToolbarDelegate for PreferencesToolbar {
    const NAME: &'static str = "PreferencesToolbar";

    fn did_load(&mut self, toolbar: Toolbar) {
        toolbar.set_selected("general");
    }

    fn allowed_item_identifiers(&self) -> Vec<ItemIdentifier> {
        vec![ItemIdentifier::Custom("general"), ItemIdentifier::Custom("advanced")]
    }

    fn default_item_identifiers(&self) -> Vec<ItemIdentifier> {
        vec![ItemIdentifier::Custom("general"), ItemIdentifier::Custom("advanced")]
    }

    fn selectable_item_identifiers(&self) -> Vec<ItemIdentifier> {
        vec![ItemIdentifier::Custom("general"), ItemIdentifier::Custom("advanced")]
    }

    fn item_for(&self, identifier: &str) -> &ToolbarItem {
        match identifier {
            "general" => &self.0 .0,
            "advanced" => &self.0 .1,
            _ => {
                unreachable!();
            },
        }
    }
}