"""Worker wiring for web search MCP: tenant seeding + egress filter.

No Docker, no network: _tenant_dirs runs against temp dirs, and the
egress check only reads the repo filter file.
"""

import os
import sys
import tempfile
import unittest
from pathlib import Path

try:
    from cloud.server import init_db
    from cloud.worker import Worker
except ImportError:
    sys.path.insert(0, str(Path(__file__).resolve().parents[2]))
    from cloud.server import init_db
    from cloud.worker import Worker

REPO_ROOT = Path(__file__).resolve().parents[2]


class WorkerWebsearchTestCase(unittest.TestCase):
    def setUp(self):
        self.tmp = tempfile.TemporaryDirectory()
        self.db_path = os.path.join(self.tmp.name, "control.db")
        init_db(self.db_path)
        self.template_home = os.path.join(self.tmp.name, "tpl-home")
        os.makedirs(self.template_home)
        open(os.path.join(self.template_home, "config.toml"),
             "w").write('[model_provider.xcmapi]\n'
                         'base_url="https://xcmapi.org/v1"\n')
        self.template_repo = os.path.join(self.tmp.name, "tpl-repo")
        os.makedirs(os.path.join(self.template_repo, ".git"))
        open(os.path.join(self.template_repo, "sample.py"),
             "w").write("def add(a, b):\n    return a + b\n")

    def tearDown(self):
        self.tmp.cleanup()

    def _worker(self, **kwargs):
        kwargs.setdefault("env", {"XCM_API_KEY": "test-placeholder"})
        kwargs.setdefault("tenants_root",
                          os.path.join(self.tmp.name, "tenants"))
        kwargs.setdefault("tenant_template_home", self.template_home)
        kwargs.setdefault("tenant_template_repo", self.template_repo)
        kwargs.setdefault("tenant_isolation", True)
        return Worker(self.db_path, "/fake/host.py", **kwargs)

    def test_flag_off_is_old_behaviour(self):
        worker = self._worker()
        self.assertFalse(worker.websearch_mcp)
        dirs = worker._tenant_dirs("projA")
        config = open(os.path.join(dirs["codex_home"],
                                   "config.toml")).read()
        self.assertNotIn("[mcp_servers.websearch]", config)
        self.assertFalse(os.path.exists(
            os.path.join(dirs["codex_home"], "websearch_mcp.py")))

    def test_flag_on_seeds_container_path_and_scripts(self):
        worker = self._worker(websearch_mcp=True)
        dirs = worker._tenant_dirs("projA")
        home = dirs["codex_home"]
        config = open(os.path.join(home, "config.toml")).read()
        self.assertIn("[mcp_servers.websearch]", config)
        # Container path, not the host temp path: this config is
        # read inside the task container, where the tenant home is
        # mounted at /var/lib/codex-app-server/codex-home.
        self.assertIn("/var/lib/codex-app-server/codex-home/"
                      "websearch_mcp.py", config)
        self.assertNotIn(self.tmp.name, config)
        self.assertTrue(os.path.exists(
            os.path.join(home, "websearch.py")))
        self.assertTrue(os.path.exists(
            os.path.join(home, "websearch_mcp.py")))
        # The copied MCP script is the real one (not a stub).
        script = open(os.path.join(home, "websearch_mcp.py")).read()
        self.assertIn("web_search", script)
        self.assertIn("web_fetch", script)

    def test_old_tenant_merges_on_next_task(self):
        worker = self._worker()
        dirs = worker._tenant_dirs("projA")
        config_path = os.path.join(dirs["codex_home"], "config.toml")
        self.assertNotIn("[mcp_servers.websearch]",
                         open(config_path).read())
        # Flag flips on later (deploy enables it): next task's
        # _tenant_dirs must merge, not require a new project.
        worker2 = self._worker(websearch_mcp=True)
        worker2._tenant_dirs("projA")
        config = open(config_path).read()
        self.assertIn("[mcp_servers.websearch]", config)
        self.assertIn("xcmapi.org", config)
        self.assertEqual(config.count("[mcp_servers.websearch]"), 1)
        # Third call stays idempotent.
        worker2._tenant_dirs("projA")
        config = open(config_path).read()
        self.assertEqual(config.count("[mcp_servers.websearch]"), 1)


class EgressFilterTestCase(unittest.TestCase):
    def test_search_domains_present_in_basic_form(self):
        lines = open(REPO_ROOT / "deploy" / "egress" /
                     "tinyproxy-filter").read().splitlines()
        entries = [ln for ln in lines
                   if ln and not ln.startswith("#")]
        # No extended-regex syntax in any entry: + ? | and bare
        # parens are literal in BASIC and would break the allowlist.
        for entry in entries:
            self.assertNotIn("+", entry)
            self.assertNotIn("?", entry)
            self.assertNotIn("|", entry)
            self.assertNotIn("(", entry.replace("\\(", ""))
            self.assertNotIn(")", entry.replace("\\)", ""))
        expected = [
            r"^\(.*\.\)*perplexity\.ai$",
            r"^\(.*\.\)*exa\.ai$",
            r"^\(.*\.\)*tavily\.com$",
            r"^\(.*\.\)*search\.brave\.com$",
            r"^\(.*\.\)*duckduckgo\.com$",
            r"^searx\.diante\.me$",
        ]
        for want in expected:
            self.assertIn(want, entries, "missing filter entry: %s" % want)


if __name__ == "__main__":
    unittest.main()