"""One bend per family: circumferential/radial refinement, fixed port model."""
import json, time
import numpy as np
from components import assemble,save_component
from assembly import load,solve
from generate_power import ROOT,FAMILIES
rows=[]
for family in FAMILIES:
    id=f"power-{family['id']}-elbow-r3";coarse=load(ROOT/'data/components'/id)
    spec={**coarse['spec'],'id':id+'-refined','nt':32,'nr':3,'ns':30}
    folder=ROOT/'data/mesh_checks'/spec['id']
    if (folder/'metadata.json').exists():fine=load(folder)
    else:fine=assemble(spec);save_component(fine,folder)
    a=solve([coarse],deltaT=100);b=solve([fine],deltaT=100)
    qerror=float(np.linalg.norm(a['q']-b['q'])/np.linalg.norm(b['q']))
    ferror=float(np.max(abs(a['frequency'][:3]/b['frequency'][:3]-1)))
    rows.append(dict(family=family['id'],coarse_dofs=coarse['metrics']['dofs'],refined_dofs=fine['metrics']['dofs'],port_displacement_relative_change=qerror,first_three_frequency_max_relative_change=ferror))
    print(rows[-1],flush=True)
report=dict(passed=all(r['port_displacement_relative_change']<.03 and r['first_three_frequency_max_relative_change']<.03 for r in rows),checks=rows,scope='Four isolated R/D=3 bends, 100 K + gravity; same rigid-port and 12 fixed-interface mode assumptions. Not full-route mesh convergence or local stress verification.')
(ROOT/'reports/power_mesh.json').write_text(json.dumps(report,indent=2));assert report['passed']