from __future__ import annotations

import importlib.util
import json
from pathlib import Path


SCRIPT_PATH = (
    Path(__file__).resolve().parents[2]
    / "agentkit"
    / "skills"
    / "builtin"
    / "devops"
    / "scripts"
    / "devops_api.py"
)


def _load_devops_api():
    spec = importlib.util.spec_from_file_location("devops_api_under_test", SCRIPT_PATH)
    assert spec and spec.loader
    module = importlib.util.module_from_spec(spec)
    spec.loader.exec_module(module)
    return module


class _FakeResponse:
    def __init__(self, payload: dict, status: int = 200):
        self.payload = payload
        self.status = status

    def __enter__(self):
        return self

    def __exit__(self, *_exc):
        return False

    def read(self) -> bytes:
        return json.dumps(self.payload).encode("utf-8")


def test_list_cloudconfig_changes_adds_ops_url_and_uses_read_only_get(
    monkeypatch,
):
    mod = _load_devops_api()
    captured = {}

    def _fake_urlopen(request, timeout):
        captured["url"] = request.full_url
        captured["method"] = request.get_method()
        captured["api_key"] = request.get_header("X-api-key")
        return _FakeResponse(
            {
                "errcode": "OK",
                "total": 1,
                "items": [
                    {
                        "id": 62289,
                        "reason": "upgrade tikv patch",
                        "applicant": "kaixing.yang@pingcap.com",
                    }
                ],
            }
        )

    monkeypatch.setenv("DEVOPS_API_KEY", "secret")
    monkeypatch.delenv("DEVOPS_BASE_URL", raising=False)
    monkeypatch.delenv("DEVOPS_FRONTEND_URL", raising=False)
    monkeypatch.setattr(mod.urllib.request, "urlopen", _fake_urlopen)

    args = mod.build_parser().parse_args(
        [
            "list-cloudconfig-changes",
            "--cluster-id",
            "10698648422638660035",
            "--cluster-type",
            "DEDICATED_TIDB",
            "--per-page",
            "5",
        ]
    )
    result = args.func(args)

    assert captured["method"] == "GET"
    assert captured["api_key"] == "secret"
    assert captured["url"].startswith(
        "https://prod.devops.pingcap.com/api/v1/devops/cloudconfig/cluster/changes?"
    )
    assert "cluster_id=10698648422638660035" in captured["url"]
    assert result["items"][0]["url"] == "https://ops.tidbcloud.com/confighistories/62289"


def test_get_cloudconfig_change_uses_staging_frontend_url(monkeypatch):
    mod = _load_devops_api()

    def _fake_urlopen(request, timeout):
        return _FakeResponse({"errcode": "OK", "change": {"id": 123, "reason": "test"}})

    monkeypatch.setenv("DEVOPS_API_TOKEN", "secret")
    monkeypatch.setenv("DEVOPS_BASE_URL", "https://staging.devops.pingcap.com")
    monkeypatch.delenv("DEVOPS_FRONTEND_URL", raising=False)
    monkeypatch.setattr(mod.urllib.request, "urlopen", _fake_urlopen)

    args = mod.build_parser().parse_args(["get-cloudconfig-change", "--change-id", "123"])
    result = args.func(args)

    assert result["change"]["url"] == "https://ops-staging.tidbcloud.com/confighistories/123"