"""Reguły codemod z pakietu APM - deterministyczna część migracji."""

from agentic_codemod.apm.loader import load_apm_context
from agentic_codemod.workflow.codemod import apply_ruleset, load_rulesets


def _ruleset(repo_root):
    ctx = load_apm_context(repo_root)
    rulesets = load_rulesets([ref.path for ref in ctx.skills.values()], "acme-sdk")
    assert rulesets, "pakiet APM musi dostarczać reguły dla acme-sdk"
    return rulesets[0]


def test_reguly_sa_ladowane_z_referencji_skilla(repo_root):
    ruleset = _ruleset(repo_root)
    assert ruleset.package == "acme-sdk"
    assert {rule.id for rule in ruleset.rules} >= {"import-client", "constructor", "send-message"}


def test_dry_run_nie_zmienia_plikow(repo_root, acme_app):
    before = (acme_app / "src/acme_app/notifier.py").read_text(encoding="utf-8")
    result = apply_ruleset(acme_app, _ruleset(repo_root), dry_run=True)
    assert result.changed_files == ["src/acme_app/notifier.py"]
    assert (acme_app / "src/acme_app/notifier.py").read_text(encoding="utf-8") == before


def test_migracja_usuwa_stare_api(repo_root, acme_app):
    apply_ruleset(acme_app, _ruleset(repo_root))
    content = (acme_app / "src/acme_app/notifier.py").read_text(encoding="utf-8")
    assert "AcmeClient(api_key=api_key, base_url=endpoint)" in content
    assert "client.messages.create(recipient=" in content
    assert "client.send(" not in content
    assert ".close()" not in content
    assert 'result["id"]' not in content


def test_reguly_nie_dotykaja_vendorowanego_sdk(repo_root, acme_app):
    before = (acme_app / "stubs/acme/__init__.py").read_text(encoding="utf-8")
    apply_ruleset(acme_app, _ruleset(repo_root))
    assert (acme_app / "stubs/acme/__init__.py").read_text(encoding="utf-8") == before


def test_ponowne_uruchomienie_jest_idempotentne(repo_root, acme_app):
    ruleset = _ruleset(repo_root)
    apply_ruleset(acme_app, ruleset)
    after_first = (acme_app / "src/acme_app/notifier.py").read_text(encoding="utf-8")
    second = apply_ruleset(acme_app, ruleset)
    assert second.changed_files == []
    assert (acme_app / "src/acme_app/notifier.py").read_text(encoding="utf-8") == after_first