"""Tests for the daemon-startup filesystem bootstrap (lib.bootstrap)."""

import pytest

from lib import bootstrap, dnsmasq, firewall, network, nginx, wireguard


@pytest.fixture()
def sandbox(tmp_path, monkeypatch):
    """Point every bootstrap-referenced path into a throwaway tree."""
    cfg = tmp_path / "config"
    data = tmp_path / "data"
    monkeypatch.setattr(dnsmasq, "CONFIG_DIR", cfg / "dnsmasq")
    monkeypatch.setattr(dnsmasq, "DATA_DIR", data / "dnsmasq")
    monkeypatch.setattr(dnsmasq, "FRAGMENTS_DIR", data / "dnsmasq" / "fragments")
    monkeypatch.setattr(firewall, "CONFIG_DIR", cfg / "firewall")
    monkeypatch.setattr(firewall, "DATA_DIR", data / "firewall")
    monkeypatch.setattr(network, "CONFIG_DIR", cfg / "network")
    monkeypatch.setattr(network, "DATA_DIR", data / "networkd")
    monkeypatch.setattr(nginx, "CONFIG_DIR", cfg / "nginx")
    monkeypatch.setattr(nginx, "DATA_DIR", data / "nginx")
    monkeypatch.setattr(nginx, "SITES_DIR", data / "nginx" / "sites-enabled")
    monkeypatch.setattr(nginx, "CONFIG_FILE", cfg / "nginx" / "config.json")
    monkeypatch.setattr(wireguard, "CONFIG_PATH", cfg / "wireguard" / "config.json")
    return tmp_path


def test_creates_runtime_dirs(sandbox):
    bootstrap.bootstrap()
    assert dnsmasq.FRAGMENTS_DIR.is_dir()
    assert firewall.DATA_DIR.is_dir()
    assert network.DATA_DIR.is_dir()
    assert nginx.SITES_DIR.is_dir()
    assert wireguard.CONFIG_PATH.parent.is_dir()


def test_does_not_create_config_files(sandbox):
    # Config files are left for system-import (first start) or the first
    # save_config — bootstrap must not pre-empt either.
    bootstrap.bootstrap()
    assert not nginx.CONFIG_FILE.exists()
    assert not (dnsmasq.CONFIG_DIR / "config.json").exists()
    assert not (network.CONFIG_DIR / "config.json").exists()
    assert not (firewall.CONFIG_DIR / "config.json").exists()
    assert not wireguard.CONFIG_PATH.exists()


def test_persists_nginx_migration(sandbox):
    nginx.save_config({"domains": {"app.example.com": {"backend": "myapp"}}})
    bootstrap.bootstrap()
    on_disk = nginx.get_config()
    assert on_disk["backends"]["webui"]["_migrated"] is True
    raw = nginx.CONFIG_FILE.read_text()
    assert '"_migrated": true' in raw or '"_migrated":True' in raw


def test_idempotent(sandbox):
    nginx.save_config({"domains": {}})
    bootstrap.bootstrap()
    mtime = nginx.CONFIG_FILE.stat().st_mtime_ns
    bootstrap.bootstrap()
    assert nginx.CONFIG_FILE.stat().st_mtime_ns == mtime