package app

import "testing"

func TestProjectPrevisSceneReturnsSafeSemanticProjection(t *testing.T) {
	scene := map[string]any{
		"id":           "scene-1",
		"title":        "客厅",
		"activeShotId": "shot-1",
		"shots": []any{map[string]any{
			"id":         "shot-1",
			"name":       "对话",
			"cameraId":   "camera-1",
			"duration":   4.5,
			"fps":        24,
			"shotSize":   "medium",
			"cameraMove": "push_in",
		}},
		"objects": []any{map[string]any{
			"id":         "actor-1",
			"name":       "演员 A",
			"kind":       "actor",
			"primitive":  "character",
			"color":      "#fff",
			"pose":       "stand",
			"visible":    true,
			"url":        "https://example.invalid/private.glb",
			"storageKey": "secret-storage-key",
			"transform": map[string]any{
				"position": []any{1.0, 0.0, -2.0},
				"rotation": []any{0.0, 0.5, 0.0},
				"scale":    []any{1.0, 1.0, 1.0},
			},
		}},
		"cameras": []any{map[string]any{
			"id":          "camera-1",
			"name":        "主机位",
			"focalLength": 50,
			"target":      []any{0.0, 1.0, 0.0},
			"transform": map[string]any{
				"position": []any{0.0, 2.0, 5.0},
				"rotation": []any{0.0, 0.0, 0.0},
				"scale":    []any{1.0, 1.0, 1.0},
			},
		}},
		"lights": []any{map[string]any{"id": "light-1"}},
	}

	projected := projectPrevisScene(scene, "shot-1", map[string]bool{})
	shots, ok := projected["shots"].([]map[string]any)
	if !ok || len(shots) != 1 {
		t.Fatalf("shots projection = %#v", projected["shots"])
	}
	if shots[0]["shotSize"] != "medium" || shots[0]["cameraMove"] != "push_in" {
		t.Fatalf("shot semantics lost: %#v", shots[0])
	}
	objects, ok := projected["objects"].([]map[string]any)
	if !ok || len(objects) != 1 {
		t.Fatalf("objects projection = %#v", projected["objects"])
	}
	if _, exists := objects[0]["url"]; exists {
		t.Fatal("projection must not expose model URL")
	}
	if _, exists := objects[0]["storageKey"]; exists {
		t.Fatal("projection must not expose storage key")
	}
	transform, ok := objects[0]["transform"].(map[string]any)
	if !ok || len(transform["position"].([]any)) != 3 {
		t.Fatalf("transform projection = %#v", objects[0]["transform"])
	}
}