from unittest.mock import AsyncMock, patch

import pytest

from app.models.issue import IssueReport
from app.models.report import EngineeringReport
from app.models.repository import RepositoryMetadata
from app.models.review import GeneratedTests, ReviewSuggestions
from app.services import analysis_service

VALID_URL = "https://github.com/owner/repo"


def _fake_report() -> EngineeringReport:
    return EngineeringReport(
        repository=RepositoryMetadata(
            url=VALID_URL,
            name="repo",
            local_path="/tmp/fake",
            language="Python",
            frameworks=[],
            architecture="",
            entry_points=[],
            summary="",
        ),
        issues=IssueReport(),
        review=ReviewSuggestions(summary="ok", overall_score=8.0),
        tests=GeneratedTests(),
        full_report="# Report",
        generated_at="2026-06-15T00:00:00Z",
    )


@pytest.mark.asyncio
async def test_run_full_analysis_returns_cached_report_on_hit() -> None:
    cached = _fake_report()

    with (
        patch("app.services.analysis_service.resolve_remote_head_sha", return_value="abc123"),
        patch("app.services.analysis_service.get_cached_report", return_value=cached),
        patch("app.services.analysis_service._run_pipeline", new=AsyncMock()) as mock_pipeline,
    ):
        result = await analysis_service.run_full_analysis(VALID_URL)

    assert result.from_cache is True
    assert result.full_report == "# Report"
    mock_pipeline.assert_not_called()


@pytest.mark.asyncio
async def test_run_full_analysis_runs_pipeline_and_caches_on_miss() -> None:
    fresh = _fake_report()

    with (
        patch("app.services.analysis_service.resolve_remote_head_sha", return_value="abc123"),
        patch("app.services.analysis_service.get_cached_report", return_value=None),
        patch("app.services.analysis_service._run_pipeline", new=AsyncMock(return_value=fresh)),
        patch("app.services.analysis_service.set_cached_report") as mock_set,
    ):
        result = await analysis_service.run_full_analysis(VALID_URL)

    assert result.from_cache is False
    assert result.repository.head_sha == "abc123"
    mock_set.assert_called_once()


@pytest.mark.asyncio
async def test_run_full_analysis_skips_cache_when_sha_unresolvable() -> None:
    fresh = _fake_report()

    with (
        patch("app.services.analysis_service.resolve_remote_head_sha", return_value=None),
        patch("app.services.analysis_service.get_cached_report") as mock_get,
        patch("app.services.analysis_service._run_pipeline", new=AsyncMock(return_value=fresh)),
        patch("app.services.analysis_service.set_cached_report") as mock_set,
    ):
        result = await analysis_service.run_full_analysis(VALID_URL)

    assert result.full_report == "# Report"
    mock_get.assert_not_called()
    mock_set.assert_not_called()