from pathlib import Path

from repo_manager.cli import main
from repo_manager.prefix_registry import scan_prefixes
from repo_manager.standards import check_repository, resolve_flavor


def _write(path: Path, text: str) -> None:
    path.parent.mkdir(parents=True, exist_ok=True)
    path.write_text(text)


def _durable_files(root: Path) -> None:
    _write(root / "INTENT.md", "# Intent\n\nWhy this exists.\n")
    _write(root / "SCOPE.md", "# Scope\n")
    _write(root / "README.md", "# Demo\n")
    _write(root / "AGENTS.md", "# Agents\n")
    _write(
        root / ".repo-classification.yaml",
        "repo_classification:\n  category: tooling\n  domain: infotech\n",
    )
    _write(
        root / "workplans" / "DEMO-WP-0001.md",
        "---\nid: DEMO-WP-0001\nstatus: proposed\n---\n# Demo\n",
    )


def test_prj_repo_flags_intent_and_goal(tmp_path: Path):
    root = tmp_path / "prj-demo"
    _durable_files(root)
    _write(
        root / "GOAL.md",
        "---\nrepo_flavor: project\n---\n# Goal\n\n"
        "## Outcome\nX\n## Invariants\nY\n## Success gates\nZ\n## Project retirement\nW\n",
    )
    _write(
        root / ".repo-classification.yaml",
        "repo_classification:\n  category: project\n  domain: infotech\n",
    )
    report = check_repository(root)
    codes = {f.code for f in report.findings}
    assert "intent-and-goal" in codes
    assert report.ok is False
    assert report.flavor.prj_layout is True


def test_prj_repo_flags_flavor_derived_prefix(tmp_path: Path):
    root = tmp_path / "prj-cutover"
    _write(root / "GOAL.md", "## Outcome\n## Invariants\n## Success gates\n## Project retirement\n")
    _write(root / "SCOPE.md", "# S\n")
    _write(root / "README.md", "# R\n")
    _write(root / "AGENTS.md", "# A\n")
    _write(
        root / ".repo-classification.yaml",
        "repo_classification:\n  category: project\n  domain: infotech\n",
    )
    _write(
        root / "workplans" / "PRJ-WP-0001.md",
        "---\nid: PRJ-WP-0001\nstatus: proposed\n---\n# Bad\n",
    )
    report = check_repository(root)
    assert any(f.code == "flavor-derived-prefix" for f in report.findings)


def test_durable_repo_missing_intent(tmp_path: Path):
    root = tmp_path / "some-tool"
    _write(root / "SCOPE.md", "# S\n")
    _write(root / "README.md", "# R\n")
    _write(root / "AGENTS.md", "# A\n")
    _write(
        root / ".repo-classification.yaml",
        "repo_classification:\n  category: tooling\n  domain: infotech\n",
    )
    (root / "workplans").mkdir()
    report = check_repository(root)
    assert any(f.code == "required-file-missing" and f.path == "INTENT.md" for f in report.findings)


def test_flavor_disagreement_is_warning(tmp_path: Path):
    root = tmp_path / "mixed"
    _durable_files(root)
    _write(root / "GOAL.md", "---\nrepo_flavor: project\n---\n# G\n")
    flavor = resolve_flavor(root)
    assert flavor.disagreements
    report = check_repository(root)
    assert any(f.code == "flavor-signal-disagreement" and f.severity == "warning" for f in report.findings)


def test_prefix_uniqueness_detects_share_and_reuse(tmp_path: Path):
    a = tmp_path / "alpha"
    b = tmp_path / "beta"
    for repo, ident in ((a, "SHARED-WP-0001"), (b, "SHARED-WP-0001")):
        _write(
            repo / "workplans" / f"{ident}.md",
            f"---\nid: {ident}\nstatus: finished\n---\n# X\n",
        )
    report = scan_prefixes(tmp_path)
    assert report["ok"] is False
    assert "SHARED-WP" in report["shared_prefixes"]
    assert "SHARED-WP-0001" in report["reused_identifiers"]


def test_cli_conform_and_prefix(tmp_path: Path, capsys):
    root = tmp_path / "ok-tool"
    _durable_files(root)
    assert main(["conform", "--path", str(root)]) == 0
    fleet = tmp_path / "fleet"
    one = fleet / "one"
    _write(one / "workplans" / "PRJ-WP-0001.md", "---\nid: PRJ-WP-0001\nstatus: proposed\n---\n")
    assert main(["prefix-uniqueness", "--root", str(fleet)]) == 1
    out = capsys.readouterr().out
    assert "PRJ-WP" in out or "flavor_derived" in out