import json

from fastapi.testclient import TestClient

from repo_registry.web_api.app import app


def write_json(path, payload):
    path.parent.mkdir(parents=True, exist_ok=True)
    path.write_text(json.dumps(payload), encoding="utf-8")


def seed_review_artifacts(root):
    write_json(
        root / "golden" / "profile.json",
        {
            "profile_id": "profile-v1",
            "ability": {
                "expected_capabilities": [
                    {
                        "name": "Scan Repositories Into Observed Facts",
                        "primary_class": "analysis",
                        "expected_features": [],
                    }
                ]
            },
            "forbidden_native_capabilities": [
                {"name": "Route LLM Requests Across Providers"}
            ],
        },
    )
    write_json(
        root / "assessments" / "baseline.json",
        {
            "artifact_id": "baseline-run",
            "target_repository": {"repo_slug": "repo-scoping"},
            "engine_identity": {"engine_commit": "old"},
            "generated_tree": {
                "abilities": [
                    {
                        "name": "Map Repositories Into Reviewable Scope Profiles",
                        "capabilities": [
                            {
                                "name": "Scan Repositories Into Observed Facts",
                                "primary_class": "analysis",
                                "features": [
                                    {
                                        "name": "HTTP API surface",
                                        "type": "API",
                                        "location": "src/repo_registry/web_api/app.py",
                                    }
                                ],
                            }
                        ],
                    }
                ]
            },
            "known_regression_patterns": [],
        },
    )
    write_json(
        root / "assessments" / "run.json",
        {
            "artifact_id": "run-1",
            "target_repository": {"repo_slug": "repo-scoping"},
            "engine_identity": {"engine_commit": "abc123"},
            "generated_tree": {
                "abilities": [
                    {
                        "name": "Support Repo Registry",
                        "capabilities": [
                            {
                                "name": "Route LLM Requests Across Providers",
                                "primary_class": "llm-integration",
                                "features": [
                                    {
                                        "name": "HTTP API surface",
                                        "type": "API",
                                        "location": "src/repo_registry/web_api/app.py",
                                    }
                                ],
                            }
                        ],
                    }
                ]
            },
            "known_regression_patterns": [],
        },
    )


def test_self_scoping_ui_compares_and_records_outcome(tmp_path, monkeypatch):
    root = tmp_path / "self-scoping"
    seed_review_artifacts(root)
    monkeypatch.setenv("REPO_REGISTRY_SELF_SCOPING_ROOT", str(root))
    client = TestClient(app)

    index = client.get("/ui/self-scoping")
    assert index.status_code == 200
    assert "Self-Scoping Review" in index.text

    review = client.get(
        "/ui/self-scoping/review",
        params={"golden": "golden/profile.json", "assessment": "assessments/run.json"},
    )
    assert review.status_code == 200
    assert "Route LLM Requests Across Providers" in review.text
    assert "regression" in review.text

    saved = client.post(
        "/ui/self-scoping/review",
        data={
            "golden_path": "golden/profile.json",
            "assessment_path": "assessments/run.json",
            "outcome": "prefer_golden",
            "reviewer": "codex",
            "notes": "Provider routing is not native scope.",
            "comparison_status": "regression",
        },
        follow_redirects=False,
    )
    assert saved.status_code == 303
    assert list((root / "outcomes").glob("*.json"))


def test_self_scoping_ui_compares_two_assessment_runs(tmp_path, monkeypatch):
    root = tmp_path / "self-scoping"
    seed_review_artifacts(root)
    monkeypatch.setenv("REPO_REGISTRY_SELF_SCOPING_ROOT", str(root))
    client = TestClient(app)

    review = client.get(
        "/ui/self-scoping/run-review",
        params={
            "baseline": "assessments/baseline.json",
            "challenger": "assessments/run.json",
        },
    )
    assert review.status_code == 200
    assert "Assessment Run Comparison" in review.text
    assert "Baseline only" in review.text
    assert "Challenger only" in review.text

    saved = client.post(
        "/ui/self-scoping/run-review",
        data={
            "baseline_path": "assessments/baseline.json",
            "challenger_path": "assessments/run.json",
            "outcome": "prefer_baseline",
            "reviewer": "codex",
            "notes": "Baseline preserves native scanning capability.",
            "comparison_status": "needs_review",
        },
        follow_redirects=False,
    )
    assert saved.status_code == 303
    records = [json.loads(path.read_text()) for path in (root / "outcomes").glob("*.json")]
    assert any(record["decision_scope"] == "assessment-pair-comparison" for record in records)