use crate::scenario::Harness;
use serde_json::json;

#[test]
fn repeated_first_point_is_neutral_and_drawing_can_continue() {
    for (command, rest) in [
        ("sketch.rectangle.two_point", vec![[10, 5, 0]]),
        ("sketch.rectangle.center", vec![[10, 5, 0]]),
        ("sketch.rectangle.three_point", vec![[10, 0, 0], [10, 5, 0]]),
        ("sketch.circle.center", vec![[5, 0, 0]]),
        ("sketch.circle.three_point", vec![[10, 0, 0], [5, 5, 0]]),
        ("sketch.line", vec![[10, 5, 0]]),
        ("sketch.polygon.inscribed", vec![[10, 5, 0]]),
        ("sketch.slot.center_to_center", vec![[10, 0, 0], [10, 3, 0]]),
    ] {
        let mut h = Harness::new();
        h.app.run("sketch.create", json!({"plane":"XY"})).unwrap();
        h.app.cam.distance = 50.0;
        h.step(&json!({"start":command})).unwrap();
        let before = h.app.session.doc.to_json();
        let undo = h.app.session.undo.len();
        let p = h.call("ui.at", json!({"sketch":[0,0]}))["result"].clone();
        h.call("ui.click", json!({"x":p[0],"y":p[1],"double":true}));
        assert!(!h.app.status.as_ref().is_some_and(|s| s.2), "{command}: {:?}", h.app.status);
        assert_eq!(h.app.tool.as_ref().unwrap().pts.len(), 1, "{command}");
        assert_eq!(h.app.session.doc.to_json(), before);
        assert_eq!(h.app.session.undo.len(), undo);
        for point in rest {
            h.step(&json!({"move":{"world":point}})).unwrap();
            if command == "sketch.slot.center_to_center" {
                // The live width editor is placed at the cursor; Enter accepts it.
                h.step(&json!({"key":"Enter"})).unwrap();
            } else {
                h.step(&json!({"click":{"world":point}})).unwrap();
            }
        }
        assert!(!h.app.status.as_ref().is_some_and(|s| s.2), "{command}: {:?}", h.app.status);
        let state = h.app.session.world_state();
        assert!(!state.sketches[0].sketch.curves.is_empty(), "{command}: {:?}; {:?}", h.app.tool, h.app.status);
        assert_eq!(h.app.session.undo.len(), undo + 1, "{command}");
        h.app.run("edit.undo", json!({})).unwrap();
        assert_eq!(h.app.session.doc.to_json(), before, "{command}");
    }
}