#!/usr/bin/env python3
"""Compare inherited entity effect storage with concrete instances and native maps."""
import argparse
import json
import os
from pathlib import Path
import platform
import subprocess
import random
try:
    from . import lab, test_rust_parity as base
except ImportError:
    import lab
    import test_rust_parity as base


def corpus():
    rng=random.Random(0x414354495645)
    durations=[-2147483648,-2,-1,0,1,20,200,2147483647]
    amps=[-1,0,1,2,255,256,2147483647]
    floats=[0,0x80000000,0x3f000000,0x3f800000,0xbf800000,0x7f800000,0x7fc00000]
    def state(**kw):
        v=dict(key=0,duration=20,amplifier=1,ambient=False,visible=True,icon=True,hidden=-1,factor=0x3f000000,previous=0);v.update(kw);return v
    def config(**kw):
        v=dict(states=[state(),state(duration=200,amplifier=0),state(key=1,hidden=0)],allow=True,level=0,client=False,removed=False);v.update(kw);return v
    def op(name,a=0,b=0,**kw):
        v=dict(op=name,a=a,b=b,source=-1,partial=0x3f000000);v.update(kw);return v
    def row(**kw):
        v=dict(hashes=[0,1,2],initial=config(),after=config(states=[state(duration=1,amplifier=9),state(duration=-1,amplifier=2),state(duration=0,amplifier=0)],allow=True,level=1,client=True,removed=True),setup=[],ops=[op('add'),op('add',1),op('force',2),op('all')],fail=-1,mutate=-1,mutations=[op('put',0,2)]);v.update(kw);return v
    for name in ['add','force','remove','all','blend']:
        for setup in [[],[op('put',0,0)],[op('put',0,1),op('put',1,2)]]:
            for fail in range(-1,5):
                for mutate in range(-1,5):yield row(setup=setup,ops=[op(name),op('get'),op('has')],fail=fail,mutate=mutate)
    for count in [1,2,3,7,8,9,11,13,24,25,48,49,64]:
        for collision in [False,True]:
            states=[state(key=i,duration=200,amplifier=i%3) for i in range(count)]
            setup=[op('put',i,i) for i in reversed(range(count))]
            yield row(hashes=[0 if collision else i*31 for i in range(count)],initial=config(states=states),after=config(states=states),setup=setup,ops=[op('all')],mutations=[])
    for _ in range(700):
        count=rng.choice([3,5,8,16]);hashes=[rng.choice([0,0,64,i*31]) for i in range(count)]
        def states():return [state(key=rng.randrange(count),duration=rng.choice(durations),amplifier=rng.choice(amps),ambient=bool(rng.randrange(2)),visible=bool(rng.randrange(2)),icon=bool(rng.randrange(2)),hidden=rng.randrange(-1,i),factor=rng.choice(floats),previous=rng.choice(floats)) for i in range(count)]
        def cfg():return config(states=states(),allow=bool(rng.randrange(2)),level=rng.randrange(2),client=bool(rng.randrange(2)),removed=bool(rng.randrange(2)))
        yield row(hashes=hashes,initial=cfg(),after=cfg(),setup=[op('put',rng.randrange(count),rng.randrange(count)) for _ in range(count)],ops=[op(rng.choice(['add','add','force','remove','remove-raw','all','has','get','blend','put','drop','copy','alias']),rng.randrange(count),rng.randrange(count),source=rng.randrange(-1,2),partial=rng.choice(floats)) for _ in range(20)],fail=rng.randrange(-1,20),mutate=rng.randrange(-1,20),mutations=[op(rng.choice(['put','drop','clear','copy','alias']),rng.randrange(count),rng.randrange(count)) for _ in range(3)])


def main():
    parser=argparse.ArgumentParser(description=__doc__);parser.add_argument('--prepare',action='store_true');args=parser.parse_args()
    build=lab.LOCAL/'rust-active-effects-parity';build.mkdir(parents=True,exist_ok=True)
    report_path=build/'report.json';report_path.unlink(missing_ok=True)
    if args.prepare:lab.prepare()
    lock,jars,libraries=base.verify_artifacts()
    oracle=lab.ROOT/'mods/horizon/src/test/java/dev/horizonlab/parity/VanillaActiveEffectsOracle.java'
    sources=[oracle,Path(__file__),lab.ROOT/'tools/test_rust_parity.py',lab.ROOT/'tools/lab.py',lab.ROOT/'Cargo.toml',lab.ROOT/'Cargo.lock',lab.ROOT/'crates/horizon-core/Cargo.toml',lab.ROOT/'crates/horizon-world/Cargo.toml',*sorted((lab.ROOT/'crates/horizon-core/src').rglob('*.rs')),*sorted((lab.ROOT/'crates/horizon-world/src').rglob('*.rs')),lab.ROOT/'crates/horizon-world/examples/probe/active_effects_fixture.rs']
    tested_sources=base.source_hashes(sources)
    classes=build/'classes';classes.mkdir(exist_ok=True)
    def run(command,name):
        with (build/(name+'.log')).open('w',encoding='utf-8') as log:base.run(list(map(str,command)),stdout=log,stderr=subprocess.STDOUT)
    dependency_path=os.pathsep.join(map(str,libraries))
    run(['javac','--release',lock['minecraft']['java_major'],'-proc:none','-sourcepath',str(lab.ROOT/'mods/horizon/src/test/java'),'-cp',str(jars['server'])+os.pathsep+dependency_path,'-d',classes,oracle],'compile-java')
    def java(side,mode,path):
        run(['java','-Xmx512M','-cp',os.pathsep.join([str(classes),str(jars[side]),dependency_path]),'dev.horizonlab.parity.VanillaActiveEffectsOracle',mode,path],side+'-'+mode)
    fixtures=list(corpus());inputs=build/'inputs.txt';inputs.write_text(''.join(json.dumps(value,separators=(',',':'))+'\n' for value in fixtures),encoding='utf-8')
    fixture_paths=[inputs];tested_fixtures=base.source_hashes(fixture_paths)
    run(['cargo','build','--release','-p','horizon-world','--example','world_probe'],'compile-rust')
    metadata=json.loads(subprocess.check_output(['cargo','metadata','--no-deps','--format-version','1'],cwd=lab.ROOT,text=True))
    binary=Path(metadata['target_directory'])/'release/examples'/('world_probe.exe' if os.name=='nt' else 'world_probe')
    references=[]
    for side,jar in jars.items():
        java(side,side,build)
        enriched=build/f'inputs-{side}.txt';enriched_hash=base.source_hashes([enriched])
        run([binary,'active_effects_fixture',build,side],'rust-'+side)
        reference=build/f'{side}.txt';rust_output=build/f'rust-{side}.txt';matched=base.compare(reference,rust_output)
        base.ensure_sources_unchanged([enriched],enriched_hash)
        tested_fixtures.update(enriched_hash);fixture_paths.append(enriched)
        references.append({'side':side,'jar_sha256':lab.digest(jar,'sha256'),'output_sha256':lab.digest(reference,'sha256'),'rust_output_sha256':lab.digest(rust_output,'sha256'),'matched_output_lines':matched})
        print(f'{side}: {matched:,} active effect output lines match Rust',flush=True)
    base.ensure_sources_unchanged(sources,tested_sources);base.ensure_sources_unchanged(fixture_paths,tested_fixtures)
    report={'schema':1,'minecraft':lock['minecraft']['version'],'manifest_sha1':lock['minecraft']['manifest_sha1'],'platform':platform.platform(),'java':subprocess.check_output(['java','--version'],text=True).splitlines()[0],'rustc':subprocess.check_output(['rustc','--version'],text=True).strip(),'fixtures':len(fixtures),'sources_sha256':tested_sources,'fixtures_sha256':tested_fixtures,'references':references,'scope':'Inherited LivingEntity addEffect, forceAddEffect, removeEffect/NoUpdate, removeAllEffects, queries and blend lookup with actual status instances and JDK maps. Native holder hash and identity-hash values are captured for Rust per run. Compares callback ordering, fresh versus existing instances, hidden updates, blend transfer, source identity, incoming effect lifecycle hooks, map-copy removal order and mutation/failure prefixes. Eligibility, attribute/packet side effects and registered effect behavior remain controlled; complete entity lifecycle and gameplay remain pending.'}
    lab.write_json(report_path,report);print(f'Scoped Java HashMap parity passed: {report_path}')


if __name__=='__main__':main()