use crate::controls::ControlsEvent;
use crate::controls::Controls;
use crate::lyrics::Lyric;
use crate::lyrics::Lyrics;
use crate::app::Message;
use iced::Element;
use crate::styles::Theme;
use std::sync::Arc;
use iced::Container;
use iced::Row;
use crate::palette::Palette;
use crate::load_song::extract_cover;
use crate::peripheries::Periphery;
use iced::Length;
use iced::Align;

use symphonia::core::formats::FormatReader;

use image::GenericImageView;
pub struct Editor {
	lyrics: Lyrics,
	theme: Theme,
	controls: Controls,
	left_peri: Periphery,
	rite_peri: Periphery,
}

impl Editor {
	pub fn new(mut song: Box<dyn FormatReader>, size: (u32, u32)) -> Self {
		let cover = extract_cover(song.as_mut());

		let theme = cover.as_ref()
			.map(|cover| {
				Theme::from_palette(
					Palette::generate(&cover)
				)
			}).unwrap_or_else(|| Theme::default());

		let cover = cover.expect("TODO");
		let cover = Arc::new(cover.blur((cover.width() / 50) as f32));

		let left_peri = Periphery::new(cover.clone(), true, size);
		let rite_peri = Periphery::new(cover, false, size);

		let controls = Controls::new(song);

		Self {
			lyrics: Lyrics::new(),
			controls, theme, left_peri, rite_peri,
		}
	}

	// TODO: work on untangling this mess
	pub fn handle_controls_event(&mut self, event: ControlsEvent) {
		self.controls.handle_event(event)
	}
	pub fn insert_text(&mut self, text: String) {
		self.lyrics.insert_text(text);
	}
	pub fn update_line(&mut self, new_content: String, line_no: usize) {
		self.lyrics.update_line(new_content, line_no);
	}
	pub fn advance_line(&mut self, current_line: usize) {
		self.lyrics.advance_line(current_line);
	}
	pub fn current_line_mut(&mut self) -> (usize, &mut Lyric) {
		self.lyrics.current_line_mut()
	}

	pub fn is_animating(&self) -> bool {
		self.controls.is_playing()
	}

	pub fn notify_resized(&mut self, w: u32, h: u32) {
		self.left_peri.notify_resized(w, h);
		self.rite_peri.notify_resized(w, h);
	}

	pub fn view(&mut self) -> Element<Message> {

		Container::new(
			Row::new()
				.push(self.left_peri.view())
				.push(self.controls.view_progress(self.theme))
				.push(self.lyrics.view(self.theme))
				.push(self.rite_peri.view())
		)
		.align_y(Align::Center)
		.style(self.theme)
		.height(Length::Fill)
		.into()
	}
}