import json

from scripts.manifest import (
    Manifest, Finding, ChangedFile, LanguageBreakdown,
    PackageDiff, PackageEntry, PackageUpgrade, ToolStat,
)


def test_finding_to_dict_includes_all_fields():
    f = Finding(
        tool="bandit", rule_id="B608", severity="high",
        file="src/api.py", line=45, end_line=45,
        message="Possible SQL injection.",
        cwe="CWE-89", fix_suggestion=None,
    )
    d = f.to_dict()
    assert d["tool"] == "bandit"
    assert d["rule_id"] == "B608"
    assert d["cwe"] == "CWE-89"
    assert "fix_suggestion" in d


def test_changed_file_serializes_ranges():
    cf = ChangedFile(
        path="src/api.py", language="python",
        added_lines=[(12, 14), (45, 45)],
    )
    d = cf.to_dict()
    assert d["language"] == "python"
    assert d["added_lines"] == [[12, 14], [45, 45]]


def test_manifest_roundtrip():
    m = Manifest(
        mode="local", base_ref="origin/main", head_ref="HEAD",
        default_branch="main",
        language_breakdown=LanguageBreakdown(
            python=2, javascript=0, typescript=0, csharp=0,
            skipped_files=[],
        ),
        changed_files=[],
        findings=[],
        package_diffs={
            "python": PackageDiff(),
            "javascript": PackageDiff(),
            "csharp": PackageDiff(),
        },
        tool_stats={},
        tools_unavailable={},
        errors=[],
    )
    payload = json.loads(m.to_json())
    assert payload["mode"] == "local"
    assert payload["language_breakdown"]["python"] == 2
    assert payload["findings"] == []


def test_package_diff_with_entries():
    pd = PackageDiff(
        added=[PackageEntry(name="pyyaml", version="6.0")],
        removed=[],
        upgraded=[PackageUpgrade(name="requests", from_version="2.28.0", to_version="2.31.0")],
    )
    d = pd.to_dict()
    assert d["added"][0]["name"] == "pyyaml"
    assert d["upgraded"][0]["from"] == "2.28.0"
    assert d["upgraded"][0]["to"] == "2.31.0"


def test_tool_stat_records_ran_and_counts():
    ts = ToolStat(ran=True, pre_filter=47, post_filter=3)
    d = ts.to_dict()
    assert d == {"ran": True, "pre_filter": 47, "post_filter": 3}


def test_tool_stat_records_skip_reason():
    ts = ToolStat(ran=False, reason="not on PATH")
    d = ts.to_dict()
    assert d["ran"] is False
    assert d["reason"] == "not on PATH"