use crate::State;
use comfy::{
	draw_rect, draw_rect_outline, screen_height, screen_to_world, screen_width,
	EngineContext, Vec2, BLUE, RED
};

pub fn draw(state: &State, _engine: &EngineContext<'_>) {
	// seperate fill state into smaller section for better readability
	let section_count = 5;
	let mut start_positon = screen_to_world(Vec2::new(screen_width(), screen_height()));
	// section size in world codinates
	let section_size = Vec2::new(0.5, 0.25);
	start_positon.x -= 0.5 * section_size.x + 0.5 * section_size.y;
	start_positon.y += 0.5 * section_size.y + 0.5 * section_size.y;
	// draw fill level
	{
		let ghost = &state.ghost;
		let percent = ghost.charge / ghost.max_charge;
		let mut size = section_size;
		size.y = section_size.y * section_count as f32 * percent;
		let mut position = start_positon;
		position.y += 0.5 * -section_size.y + 0.5 * size.y;
		draw_rect(position, size, BLUE, 100);
	}
	// draw sections
	for i in 0 .. section_count {
		let mut position = start_positon;
		position.y += i as f32 * section_size.y;
		draw_rect_outline(position, section_size, 0.1, RED, 100);
	}
}