use gpui::Render;
use story::Story;

use crate::{Tab, TabBar, TabPosition, prelude::*};

pub struct TabBarStory;

impl Render for TabBarStory {
    fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
        let tab_count = 20;
        let selected_tab_index = 3;

        let tabs = (0..tab_count)
            .map(|index| {
                Tab::new(index)
                    .toggle_state(index == selected_tab_index)
                    .position(if index == 0 {
                        TabPosition::First
                    } else if index == tab_count - 1 {
                        TabPosition::Last
                    } else {
                        TabPosition::Middle(index.cmp(&selected_tab_index))
                    })
                    .child(Label::new(format!("Tab {}", index + 1)).color(
                        if index == selected_tab_index {
                            Color::Default
                        } else {
                            Color::Muted
                        },
                    ))
            })
            .collect::<Vec<_>>();

        Story::container()
            .child(Story::title_for::<TabBar>())
            .child(Story::label("Default"))
            .child(
                h_flex().child(
                    TabBar::new("tab_bar_1")
                        .start_child(
                            IconButton::new("navigate_backward", IconName::ArrowLeft)
                                .icon_size(IconSize::Small),
                        )
                        .start_child(
                            IconButton::new("navigate_forward", IconName::ArrowRight)
                                .icon_size(IconSize::Small),
                        )
                        .end_child(
                            IconButton::new("new", IconName::Plus).icon_size(IconSize::Small),
                        )
                        .end_child(
                            IconButton::new("split_pane", IconName::Split)
                                .icon_size(IconSize::Small),
                        )
                        .children(tabs),
                ),
            )
    }
}
