use anyhow::*;
use bevy::prelude::*;
use forky_play::spline::graph::SplineGraph;
use forky_play::spline::*;
use forky_play::*;
use sweet::*;
sweet! {
	test "spline graph" {

		let mut graph = SplineGraph::new();

		let pos1 = Vec3::UP;
		let pos2 = Vec3::ZERO;
		let pos3 = Vec3::DOWN;

		let spline1 = Spline::Linear(LinearSpline{
			p0: pos1,
			p1: pos2,
		});
		let spline2 = Spline::Linear(LinearSpline{
			p0: pos2,
			p1: pos3,
		});
		let node1 = graph.create_node(pos1);
		let node2 = graph.create_node(pos2);
		let node3 = graph.create_node(pos3);
		expect(*node1).to_be(0)?;
		expect(*node2).to_be(1)?;
		expect(*node1).not().to_be(*node2)?;

		let edge12 = graph.create_edge(node1,node2,spline1);
		let edge23 = graph.create_edge(node2,node3,spline2);

		let prev = graph.get_current_edge(&edge12,-0.01);
		expect(prev).to_be(None)?;

		let spline = graph.get_current_edge(&edge12,0.5).unwrap().1.spline;

		expect(matches!(spline,Spline::Linear(_))).to_be_true()?;
		if let Spline::Linear(spline) = spline {
			expect(spline.p0).to_be(Vec3::UP)?;
		}else{
			panic!("spline is not linear");
		}
		let spline = graph.get_current_edge(&edge12,1.5).unwrap().1.spline;
		if let Spline::Linear(spline) = spline {
			expect(spline.p0).to_be(Vec3::ZERO)?;
		}else{
			panic!("spline is not linear");
		}
		let last = graph.get_current_edge(&edge12,2.1);
		expect(last).to_be(None)?;
	}
}