#include <stdio.h>
#include "vde/vde.h"

int main(void) {
    VdeHandle ctx = vde_create();
    printf("ViewDesignEngine %s\n", vde_version());

    /* ── Mesh I/O ── */
    // VdeMeshHandle mesh = vde_load_mesh(ctx, "bunny.obj");
    // printf("Loaded mesh: %zu vertices, %zu faces\n",
    //        vde_mesh_num_vertices(mesh), vde_mesh_num_faces(mesh));

    /* ── Collision: GJK spheres ── */
    int hit = vde_collision_gjk_spheres(ctx, 0,0,0, 1.0, 1.5,0,0, 1.0);
    printf("Spheres overlap: %s\n", hit ? "yes" : "no");

    /* ── Sketch constraint solver ── */
    VdeSolverHandle solver = vde_solver_create();
    int p0 = vde_solver_add_point(solver, 0.0, 0.0, 1); /* fixed */
    int p1 = vde_solver_add_point(solver, 3.0, 0.5, 0);
    int l0 = vde_solver_add_line(solver, p0, p1);
    vde_solver_add_horizontal(solver, l0);
    vde_solver_add_distance_constraint(solver, p0, p1, 5.0);
    int ok = vde_solver_solve(solver, 100, 1e-6);
    printf("Solver converged: %s\n", ok ? "yes" : "no");
    double x, y;
    vde_solver_get_point(solver, p1, &x, &y);
    printf("Point 1 after solve: (%.4f, %.4f)\n", x, y);
    vde_solver_free(solver);

    /* ── B-Rep: create box ── */
    VdeBodyHandle box = vde_body_create_box(ctx, 2.0, 2.0, 2.0);
    VdeMeshHandle box_mesh = vde_body_to_mesh(ctx, box, 0.01);
    printf("Box mesh: %zu faces\n", vde_mesh_num_faces(box_mesh));
    vde_mesh_free(box_mesh);
    vde_body_free(box);

    vde_destroy(ctx);
    printf("Done.\n");
    return 0;
}