"""Generate and validate explicitly authorized current-source quantity rows."""
import argparse
import copy
import json
import os
from pathlib import Path
import subprocess
import sys
import tempfile
import time
root=Path(__file__).resolve().parents[1]
sys.path.insert(0,str(root/'src/backend' if (root/'src/backend').is_dir() else root))


def run(args):
    import server
    from cad_rebar_recipe import load_sources
    from authorized_quantity_generation import seeds, generate_seed
    server.require_modeling_rules()
    target=args.job.resolve();raw=target.read_bytes();job=json.loads(raw);plan=job['result']
    from haunch_contact_surface import bind as bind_haunch_contact
    bind_haunch_contact(plan['concrete_components'],server.component_surface_z_at_xy)
    if job.get('status')=='running':raise ValueError('job is active')
    if not args.confirm_quantity_distribution:raise ValueError('explicit confirmation required')
    sources=load_sources(server.rehydrate_drawing_set_analysis(job['sourceContext']['analysis']))
    authorization={'explicit_request':True,'source_sha256':sorted(sources),'marks':args.marks,
                   'scope':'source N on actual contact positions; not literal drawing station reconstruction'}
    if args.rhythm:
        repeat,alternate=args.rhythm
        if not 0<alternate<repeat:raise ValueError('invalid repeat/alternate cycle rule')
        authorization['cycle_rhythm']={'explicit_request':True,'authority':'user_confirmed_cycle_rhythm',
            'repeat_cycle_steps':repeat,'alternate_cycle_steps':alternate,'scope':'rhythm only; current source dimensions and cycle stations'}
    failures=[];groups=[]
    source_seeds=seeds(plan,sources,authorization,failures=failures)
    if args.seed_output:
        with args.seed_output.open('x') as stream:json.dump({'authorization':authorization,'seeds':source_seeds},stream,ensure_ascii=False)
    for seed in source_seeds:
        if args.block and seed['rebar_block']!=args.block:continue
        report={'block':seed['rebar_block'],'mark':seed['mark'],'count':seed['schedule_count']}
        try:
            g=generate_seed(plan,seed,node=args.node)
            report['target']=g['quantity_distribution'].get('target_kind','longitudinal')
            groups.append(g);report['pass']=True
        except (ValueError,subprocess.CalledProcessError) as error:
            report.update(error=str(error),pass_=False);failures.append(report)
        print(json.dumps(report,ensure_ascii=False),flush=True)
    print(json.dumps({'generated_groups':len(groups),'failures':failures},ensure_ascii=False),flush=True)
    result=copy.deepcopy(plan);ids={g['id'] for g in groups}
    result['rebar_groups']=[g for g in result['rebar_groups'] if g.get('id') not in ids]+groups
    result['drawingEvidence']['quantity_distribution_authorization']=authorization
    result['drawingEvidence'].setdefault('preview_geometry',{})['rebar_groups']=copy.deepcopy(result['rebar_groups'])
    result['quantityDistributionReview']={'failures':failures,'group_ids':sorted(ids),'engineering_approved':False}
    result['ready_for_geometry']=False;result['workflowStage']='rebar'
    output={'result':result,'failures':failures,'authorization':authorization}
    if args.output:
        with args.output.open('x') as stream:json.dump(output,stream,ensure_ascii=False,allow_nan=False)
    if args.apply:
        if target.read_bytes()!=raw:raise ValueError('concurrent job update')
        backup=target.with_name(target.stem+f'.before-authorized-quantity-{time.time_ns()}.json')
        with backup.open('xb') as stream:stream.write(raw)
        job.update(result=result,partialResult={'progressivePlan':copy.deepcopy(result),'drawingEvidence':copy.deepcopy(result['drawingEvidence'])},
                   geometryRevision=time.time_ns(),status='awaiting_feedback',stage='수량 기준 분배 검토 · 전체 검증 미완료')
        with tempfile.NamedTemporaryFile(mode='w',dir=target.parent,delete=False) as stream:
            json.dump(job,stream,ensure_ascii=False,allow_nan=False);temporary=stream.name
        if target.read_bytes()!=raw:raise ValueError('concurrent update before publish')
        os.replace(temporary,target)
        print(json.dumps({'saved':True,'groups':len(result['rebar_groups']),'backup':str(backup)}),flush=True)


if __name__=='__main__':
    parser=argparse.ArgumentParser(description=__doc__)
    parser.add_argument('job',type=Path);parser.add_argument('--marks',nargs='+',required=True)
    parser.add_argument('--node',required=True);parser.add_argument('--confirm-quantity-distribution',action='store_true')
    parser.add_argument('--output',type=Path);parser.add_argument('--apply',action='store_true')
    parser.add_argument('--block',help='Optional physical block scope, e.g. BLOCK1')
    parser.add_argument('--seed-output',type=Path,help='Write current-CAD seed evidence for reproducible diagnostics')
    parser.add_argument('--rhythm',nargs=2,type=int,metavar=('REPEAT','ALTERNATE'),help='Explicitly authorized cycle-step rhythm')
    run(parser.parse_args())