from id_configurator.config import Configuration
from id_configurator.context import Context
from id_configurator.modules.npm import NpmModule

CONFIG_WITH_REPO = {
    "uuid": "12345678-1234-5678-1234-567812345678",
    "organisation": "InterDiode",
    "configurations": {
        "npm": {"repositories": [{"name": "demo", "url": "https://example.invalid/"}]}
    },
}

CONFIG_WITH_TWO_REPOS = {
    "uuid": "12345678-1234-5678-1234-567812345678",
    "organisation": "InterDiode",
    "configurations": {
        "npm": {
            "repositories": [
                {"name": "demo", "url": "https://example.invalid/"},
                {"name": "myorg", "url": "https://other.invalid/"},
            ]
        }
    },
}

EMPTY_CONFIG = {
    "uuid": "12345678-1234-5678-1234-567812345678",
    "organisation": "InterDiode",
}

CONFIG_WITH_CERTIFICATE_ONLY = {
    "uuid": "12345678-1234-5678-1234-567812345678",
    "organisation": "InterDiode",
    "configurations": {
        "certificates": [{"name": "interdiode-ca", "content": "-----BEGIN...-----"}]
    },
}


def make_config(data: dict) -> Configuration:
    return Configuration.model_validate(data)


def test_is_relevant_false_when_no_repositories(tmp_path) -> None:
    context = Context(config=make_config(EMPTY_CONFIG), dst=tmp_path / "dst", src=None)
    assert NpmModule().is_relevant(context) is False


def test_is_relevant_true_with_certificate_only(tmp_path) -> None:
    context = Context(
        config=make_config(CONFIG_WITH_CERTIFICATE_ONLY), dst=tmp_path / "dst", src=None
    )
    assert NpmModule().is_relevant(context) is True


def test_is_relevant_true_with_repository(tmp_path) -> None:
    context = Context(
        config=make_config(CONFIG_WITH_REPO), dst=tmp_path / "dst", src=None
    )
    assert NpmModule().is_relevant(context) is True


def test_apply_writes_default_registry_and_cafile(tmp_path) -> None:
    dst = tmp_path / "dst"
    context = Context(config=make_config(CONFIG_WITH_REPO), dst=dst, src=None)

    NpmModule().apply(context)

    npmrc = (dst / "usr/local/etc/npmrc").read_text(encoding="utf-8")
    assert npmrc == (
        "cafile=/etc/ssl/certs/ca-certificates.crt\nregistry=https://example.invalid/\n"
    )


def test_apply_writes_additional_repositories_scoped(tmp_path) -> None:
    dst = tmp_path / "dst"
    context = Context(config=make_config(CONFIG_WITH_TWO_REPOS), dst=dst, src=None)

    NpmModule().apply(context)

    npmrc = (dst / "usr/local/etc/npmrc").read_text(encoding="utf-8")
    assert npmrc == (
        "cafile=/etc/ssl/certs/ca-certificates.crt\n"
        "registry=https://example.invalid/\n"
        "@myorg:registry=https://other.invalid/\n"
    )


def test_apply_without_certificates_does_not_write_etc_environment(tmp_path) -> None:
    dst = tmp_path / "dst"
    context = Context(config=make_config(CONFIG_WITH_REPO), dst=dst, src=None)

    NpmModule().apply(context)

    assert not (dst / "etc/environment").exists()


def test_apply_sets_node_extra_ca_certs_when_certificates_configured(
    tmp_path,
) -> None:
    dst = tmp_path / "dst"
    context = Context(
        config=make_config(CONFIG_WITH_CERTIFICATE_ONLY), dst=dst, src=None
    )

    NpmModule().apply(context)

    assert not (dst / "usr/local/etc/npmrc").exists()
    environment = (dst / "etc/environment").read_text(encoding="utf-8")
    assert environment == "NODE_EXTRA_CA_CERTS=/etc/ssl/certs/ca-certificates.crt\n"


def test_apply_merges_node_extra_ca_certs_into_existing_etc_environment(
    tmp_path,
) -> None:
    src = tmp_path / "src"
    src.mkdir()
    (src / "etc").mkdir()
    (src / "etc/environment").write_text(
        "PATH=/usr/bin\nNODE_EXTRA_CA_CERTS=/old/stale.pem\n", encoding="utf-8"
    )

    dst = tmp_path / "dst"
    context = Context(
        config=make_config(CONFIG_WITH_CERTIFICATE_ONLY), dst=dst, src=src
    )

    NpmModule().apply(context)

    environment = (dst / "etc/environment").read_text(encoding="utf-8")
    assert environment == (
        "PATH=/usr/bin\nNODE_EXTRA_CA_CERTS=/etc/ssl/certs/ca-certificates.crt\n"
    )