use maraiah::durandal::image::*;
use std::collections::HashMap;

#[derive(Copy, Clone, Debug)]
pub struct Rect {pub x: u32, pub y: u32, pub w: u32, pub h: u32}

pub type Point = (u32, u32);

pub trait DrawArea
{
   fn w(&self) -> u32;
   fn h(&self) -> u32;

   fn clear(&self, cr: impl Color);
   fn rect(&self, rect: Rect, cr: impl Color);
   fn text(&self, pos: Point, cr: impl Color, text: &str);
}

pub trait Resource
{
   fn as_dir(&self) -> Option<&ResDir> {None}
   fn as_file(&self) -> Option<&ResFile> {None}
}

impl ResDir
{
   pub fn new() -> ResDir
   {
      ResDir{hash: HashMap::new()}
   }

   pub fn insert(&mut self, name: &str, res: Box<dyn Resource>)
   {
      self.hash.insert(name.to_string(), res);
   }

   pub fn get(&self, name: &str) -> Option<&Box<dyn Resource>>
   {
      self.hash.get(name)
   }
}

impl Resource for ResDir
{
   fn as_dir(&self) -> Option<&ResDir> {Some(self)}
}

impl Resource for ResFile
{
   fn as_file(&self) -> Option<&ResFile> {Some(self)}
}

pub struct ResDir
{
   hash: HashMap<String, Box<dyn Resource>>,
}

struct ResFile
{
}

pub const CR_RED:      Color16 = Color16::new(0xFFFF, 0, 0);
pub const CR_DARK_RED: Color16 = Color16::new(0x4700, 0, 0);

#[test]
fn resources()
{
   let mut top = ResDir::new();
   top.insert(":basic_sub:resource", Box::new(ResFile{}));
   top.get(":basic_sub:resource").unwrap();
}

// EOF