use std::fmt::Debug;

use bevy::prelude::*;

use ratatui::Terminal;

use crate::context::TerminalContext;
use soft_ratatui::embedded_graphics_unicodefonts::{
    mono_8x13_atlas, mono_8x13_bold_atlas, mono_8x13_italic_atlas,
};
use soft_ratatui::{EmbeddedGraphics, SoftBackend};

use super::plugin::WindowedPlugin;

/// Ratatui context that will set up a window and render the ratatui buffer using a 2D texture,
/// instead of drawing to a terminal buffer.
#[derive(Deref, DerefMut)]
pub struct WindowedContext(Terminal<SoftBackend<EmbeddedGraphics>>);

impl Debug for WindowedContext {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        write!(f, "WindowedContext()")
    }
}

impl TerminalContext<SoftBackend<EmbeddedGraphics>> for WindowedContext {
    fn init() -> Result<Self> {
        let font_regular = mono_8x13_atlas();
        let font_italic = mono_8x13_italic_atlas();
        let font_bold = mono_8x13_bold_atlas();
        let backend = SoftBackend::<EmbeddedGraphics>::new(
            100,
            50,
            font_regular,
            Some(font_bold),
            Some(font_italic),
        );
        let terminal = Terminal::new(backend)?;
        Ok(Self(terminal))
    }

    fn restore() -> Result<()> {
        Ok(())
    }

    fn configure_plugin_group(
        _group: &crate::RatatuiPlugins,
        mut builder: bevy::app::PluginGroupBuilder,
    ) -> bevy::app::PluginGroupBuilder {
        builder = builder.add(WindowedPlugin);

        builder
    }
}