"""Run every unittest, standalone test function and main-style contract."""
from pathlib import Path
import importlib.util
import inspect
import json
import re
import subprocess
import sys
import unittest
ROOT=Path(__file__).resolve().parents[1]
TESTS=Path(__file__).resolve().parent
sys.path.insert(0, str(TESTS))
suite=unittest.TestSuite()
modules=[]
for path in sorted(TESTS.glob('test_*.py')):
    spec=importlib.util.spec_from_file_location('verify_'+path.stem,path)
    assert spec is not None and spec.loader is not None
    module=importlib.util.module_from_spec(spec)
    sys.modules[spec.name]=module
    spec.loader.exec_module(module)
    modules.append(module)
    suite.addTests(unittest.defaultTestLoader.loadTestsFromModule(module))
result=unittest.TextTestRunner(verbosity=1).run(suite)
if not result.wasSuccessful(): sys.exit(1)
standalone=0
for module in modules:
    for name,fn in inspect.getmembers(module,inspect.isfunction):
        if name.startswith('test_') or name=='main':
            fn()
            standalone+=1
files=[ROOT/'SKILL.md',*sorted(ROOT.glob('references/*.md'))]
links=0
for path in files:
    for link in re.findall(r'\]\(([^)]+)\)',path.read_text()):
        if '://' in link or link.startswith(('#','<')): continue
        target=link.split('#')[0]
        if target:
            assert (path.parent/target).exists(),(path,link)
            links+=1
subprocess.run(['git','diff','--check'],cwd=ROOT,check=True)
before=sum(len(subprocess.check_output(['git','show','HEAD:'+str(p.relative_to(ROOT))],cwd=ROOT)) for p in files)
after=sum(p.stat().st_size for p in files)
ref_before=before-len(subprocess.check_output(['git','show','HEAD:SKILL.md'],cwd=ROOT))
ref_after=after-(ROOT/'SKILL.md').stat().st_size
print(json.dumps({'package':ROOT.name,'unittest':result.testsRun,'standalone':standalone,'total':result.testsRun+standalone,'local_links':links,'diff_check':'passed','operational_bytes_before':before,'operational_bytes_after':after,'reference_bytes_before':ref_before,'reference_bytes_after':ref_after},indent=2))