from __future__ import annotations

import json
from pathlib import Path
import urllib.request

import scripts.publish_test_metrics as metrics_script


class DummyHTTPResponse:
    def __init__(self, body: str, status: int = 200):
        self._body = body
        self.status = status

    def __enter__(self):
        return self

    def __exit__(self, exc_type, exc, tb):
        return False

    def read(self) -> bytes:
        return self._body.encode("utf-8")


def test_build_payload_includes_quality_gate_metrics(monkeypatch, tmp_path: Path) -> None:
    coverage_path = tmp_path / "coverage.json"
    coverage_path.write_text(json.dumps({"summary": {"percent_covered": 97.5}}), encoding="utf-8")
    junit_path = tmp_path / "junit.xml"
    junit_path.write_text('<testsuite tests="5" failures="1" errors="1" skipped="1"/>', encoding="utf-8")
    quality_gate_path = tmp_path / "quality-gate.json"
    quality_gate_path.write_text(
        json.dumps(
            {
                "status": "ok",
                "summary": {
                    "line_count_violations": 0,
                    "docstring_violations": 1,
                    "coverage_violations": 0,
                    "legacy_line_count_files": 2,
                    "legacy_docstring_files": 3,
                    "coverage_exemptions": 4,
                },
                "files": {
                    "ariadne/auth/keycloak.py": {
                        "lines": 120,
                        "missing_docstrings": 0,
                        "coverage_percent": 99.1,
                    }
                },
            }
        ),
        encoding="utf-8",
    )

    monkeypatch.setenv("COVERAGE_JSON", str(coverage_path))
    monkeypatch.setenv("JUNIT_XML", str(junit_path))
    monkeypatch.setenv("QUALITY_GATE_JSON", str(quality_gate_path))
    monkeypatch.setenv("PUSHGATEWAY_URL", "http://pushgateway.example")
    monkeypatch.setenv("SUITE_NAME", "ariadne")
    monkeypatch.setenv("QUALITY_STATUS", "ok")
    monkeypatch.setenv("BUILD_NUMBER", "42")
    monkeypatch.setenv("BRANCH_NAME", "main")
    monkeypatch.setenv("GIT_COMMIT", "abc123")
    monkeypatch.setattr(
        metrics_script,
        "_read_http",
        lambda _url: 'platform_quality_gate_runs_total{job="platform-quality-ci",suite="ariadne",status="ok"} 5\n',
    )

    payload, result = metrics_script._build_payload()

    assert result["tests_total"] == 5
    assert result["tests_passed"] == 2
    assert result["coverage_percent"] == 97.5
    assert result["ok_counter"] == 6.0
    assert 'ariadne_quality_gate_artifact_present{suite="ariadne",artifact="quality_gate_json"} 1' in payload
    assert 'ariadne_quality_gate_violation_total{suite="ariadne",check="docstrings"} 1' in payload
    assert 'ariadne_quality_gate_file_coverage_percent{suite="ariadne",file="ariadne/auth/keycloak.py"} 99.1' in payload


def test_main_posts_payload_for_failed_build_with_missing_artifacts(monkeypatch, capsys) -> None:
    requests: list[tuple[str, str]] = []
    missing_base = Path("/tmp/ariadne-metrics-missing")

    def fake_urlopen(target, timeout=10):
        if isinstance(target, urllib.request.Request):
            requests.append((target.full_url, target.data.decode("utf-8")))
            return DummyHTTPResponse("", status=200)
        return DummyHTTPResponse("", status=200)

    monkeypatch.setenv("PUSHGATEWAY_URL", "http://pushgateway.example")
    monkeypatch.setenv("SUITE_NAME", "ariadne")
    monkeypatch.setenv("QUALITY_STATUS", "failed")
    monkeypatch.setenv("COVERAGE_JSON", str(missing_base / "coverage.json"))
    monkeypatch.setenv("JUNIT_XML", str(missing_base / "junit.xml"))
    monkeypatch.setenv("QUALITY_GATE_JSON", str(missing_base / "quality-gate.json"))
    monkeypatch.setattr(metrics_script.urllib.request, "urlopen", fake_urlopen)

    assert metrics_script.main() == 0
    assert requests
    assert 'ariadne_quality_gate_artifact_present{suite="ariadne",artifact="coverage_json"} 0' in requests[0][1]
    assert 'ariadne_quality_gate_status{suite="ariadne"} 0' in requests[0][1]
    output = capsys.readouterr().out
    assert '"quality_gate_status": "missing"' in output