use cucoqu::cu2qu::CurvesToQuadratic;
use cucoqu::point;
use cucoqu::Cubic;
use cucoqu::Point;
use cucoqu::Quad;

fn expected_result() -> [[Quad; 5]; 4] {
    [
        [
            [point![50.0, 0.0], point![46.45721, 19.64031], point![39.897583, 30.799238]],
            [
                point![39.897583, 30.799238],
                point![39.897583, 30.799238],
                point![30.799238, 39.897575],
            ],
            [
                point![30.799238, 39.897575],
                point![30.799238, 39.897575],
                point![19.640306, 46.457207],
            ],
            [point![19.640306, 46.457207], point![19.640306, 46.457207], point![6.898932, 50.0]],
            [point![6.898932, 50.0], point![6.898932, 50.0], point![0.0, 50.0]],
        ],
        [
            [point![0.0, 50.0], point![-19.64031, 46.45721], point![-30.799238, 39.897583]],
            [
                point![-30.799238, 39.897583],
                point![-30.799238, 39.897583],
                point![-39.897575, 30.799238],
            ],
            [
                point![-39.897575, 30.799238],
                point![-39.897575, 30.799238],
                point![-46.457207, 19.640306],
            ],
            [
                point![-46.457207, 19.640306],
                point![-46.457207, 19.640306],
                point![-50.0, 6.898932],
            ],
            [point![-50.0, 6.898932], point![-50.0, 6.898932], point![-50.0, 0.0]],
        ],
        [
            [point![-50.0, 0.0], point![-46.45721, -19.64031], point![-39.897583, -30.799238]],
            [
                point![-39.897583, -30.799238],
                point![-39.897583, -30.799238],
                point![-30.799238, -39.897575],
            ],
            [
                point![-30.799238, -39.897575],
                point![-30.799238, -39.897575],
                point![-19.640306, -46.457207],
            ],
            [
                point![-19.640306, -46.457207],
                point![-19.640306, -46.457207],
                point![-6.898932, -50.0],
            ],
            [point![-6.898932, -50.0], point![-6.898932, -50.0], point![-0.0, -50.0]],
        ],
        [
            [point![-0.0, -50.0], point![19.64031, -46.45721], point![30.799238, -39.897583]],
            [
                point![30.799238, -39.897583],
                point![30.799238, -39.897583],
                point![39.897575, -30.799238],
            ],
            [
                point![39.897575, -30.799238],
                point![39.897575, -30.799238],
                point![46.457207, -19.640306],
            ],
            [
                point![46.457207, -19.640306],
                point![46.457207, -19.640306],
                point![50.0, -6.898932],
            ],
            [point![50.0, -6.898932], point![50.0, -6.898932], point![50.0, 0.0]],
        ],
    ]
}

#[test]
fn test_convert() {
    static TEST_DATA: &[Cubic] = &[
        [
            point![50.0, 0.0],
            point![50.0, 27.5957512247],
            point![27.5957512247, 50.0],
            point![0.0, 50.0],
        ],
        [
            point![0.0, 50.0],
            point![-27.5957512247, 50.0],
            point![-50.0, 27.5957512247],
            point![-50.0, 0.0],
        ],
        [
            point![-50.0, 0.0],
            point![-50.0, -27.5957512247],
            point![-27.5957512247, -50.0],
            point![-0.0, -50.0],
        ],
        [
            point![-0.0, -50.0],
            point![27.5957512247, -50.0],
            point![50.0, -27.5957512247],
            point![50.0, 0.0],
        ],
    ];

    let output = TEST_DATA.to_vec();
    let output = output.curves_to_quadratic(vec![0.001; 4]).unwrap();
    //eprintln!("{:?}", &output);
    assert_eq!(&output, &expected_result());
}