import json
from types import SimpleNamespace

import pytest
from test_evidence_local_archive import write_unit
from test_preprocess_cli import _runtime_config
from typer.testing import CliRunner

from tht.cli import app
from tht.evidence.administration import ConsolidationError, browse, consolidate_from_config
from tht.evidence.local_archive import LocalEvidenceArchive


def test_browse_filters_working_files_without_index_or_dwh_and_reports_invalid_files(tmp_path):
    path = write_unit(tmp_path)
    archive = LocalEvidenceArchive(tmp_path)
    archive.consolidate(actor="Alice", activate=lambda _: None)
    path.write_text(path.read_text().replace("Use order ID and year.", "Use all three parts of the key."))
    invalid = path.parent / "broken.md"
    invalid.write_text("not an Evidence document")
    result = browse(tmp_path, {"kind": "domain", "q": "three"})
    assert result["total"] == 1
    assert result["items"][0]["status"] == "modified"
    assert result["items"][0]["payload"]["rule"] == "Use all three parts of the key."
    assert result["errors"][0]["file"] == "curated/domain/broken.md"
    path.unlink()
    assert browse(tmp_path, {"status": "removed"})["total"] == 1


def test_public_consolidation_retries_saved_content_and_does_not_use_git(monkeypatch, tmp_path):
    import tht.cli.preprocess_cmd as command
    import tht.config as config_module
    path = write_unit(tmp_path)
    cfg = SimpleNamespace(evidence=SimpleNamespace(local_archive_root=tmp_path))
    monkeypatch.setattr(config_module, "load_config", lambda _: cfg)
    calls = []
    def stage(_, *, local_snapshot):
        calls.append(local_snapshot)
        if len(calls) == 1:
            raise RuntimeError("private endpoint failure")
        return SimpleNamespace(status="succeeded")
    monkeypatch.setattr(command, "run_from_config", stage)
    monkeypatch.setattr("subprocess.run", lambda *a, **kw: pytest.fail("Consolidation must not run Git"))
    with pytest.raises(ConsolidationError, match="Retry consolidation") as failure:
        consolidate_from_config(tmp_path / "config.yaml")
    assert failure.value.saved
    assert path.exists()
    assert LocalEvidenceArchive(tmp_path).active_snapshot() is None
    assert consolidate_from_config(tmp_path / "config.yaml").status == "succeeded"
    assert calls[0] == calls[1]


def test_cli_failure_is_pristine_json_with_a_correctable_error(monkeypatch, tmp_path):
    config = _runtime_config(tmp_path)
    def fail(_):
        raise ConsolidationError("curated/domain/rule.md: Missing Rule section")
    monkeypatch.setattr("tht.evidence.administration.consolidate_from_config", fail)
    result = CliRunner().invoke(app, ["preprocess", "evidence", "--consolidate", "--json", "-c", str(config)])
    assert result.exit_code == 1
    assert "Missing Rule section" in json.loads(result.stdout)["error"]


@pytest.mark.parametrize("flags", [["gc"], ["--dry-run"], ["--resume", "a" * 32]])
def test_cli_rejects_conflicting_consolidation_options_before_any_work(monkeypatch, flags):
    monkeypatch.setattr("tht.cli.preprocess_cmd.gc_from_config", lambda *a, **kw: pytest.fail("No cleanup"))
    result = CliRunner().invoke(app, ["preprocess", "evidence", "--consolidate", "--json", *flags])
    assert result.exit_code == 2
    assert json.loads(result.stdout)["code"] == "invalid_consolidation"


def test_first_consolidation_reports_legacy_conversion_error(monkeypatch, tmp_path):
    from tht.evidence.authoring import EvidencePreparationError

    write_unit(tmp_path)
    (tmp_path / "evidence/manifest.yaml").write_text("invalid")
    monkeypatch.setattr("tht.config.load_config", lambda _: SimpleNamespace(
        evidence=SimpleNamespace(local_archive_root=tmp_path)))
    def fail(_):
        raise EvidencePreparationError("source_invalid", "source/guide.md")
    monkeypatch.setattr("tht.evidence.authoring.migrate_workspace_evidence", fail)
    with pytest.raises(ConsolidationError, match="source/guide.md"):
        consolidate_from_config(tmp_path / "config.yaml")


def test_preprocessing_uses_only_the_active_snapshot_and_clear_preserves_primary_files(monkeypatch, tmp_path):
    import yaml

    from tht.cli.preprocess_cmd import clear_from_config
    from tht.config import load_config
    from tht.evidence.sources import build_sources
    path = write_unit(tmp_path / "local")
    archive = LocalEvidenceArchive(tmp_path / "local")
    archive.consolidate(actor="Alice", activate=lambda _: None)
    config = _runtime_config(tmp_path)
    raw = yaml.safe_load(config.read_text())
    raw["evidence"]["local_archive_root"] = str(tmp_path / "local")
    config.write_text(yaml.safe_dump(raw))
    path.write_text(path.read_text().replace("Use order ID and year.", "Unconsolidated text."))
    cfg = load_config(config)
    sources = build_sources(cfg.evidence)
    assert len(sources) == 1
    assert sources[0].root == archive.active_snapshot()
    saved = path.read_bytes()
    monkeypatch.setenv("THT_PROFILE", "server")
    monkeypatch.setattr("tht.adapters.factory.build_vector_store", lambda *a, **kw: SimpleNamespace(clear_reference=lambda: True))
    clear_from_config(config)
    assert path.read_bytes() == saved
    assert archive.active_snapshot().is_dir()


def test_manual_git_sequence_preserves_edits_additions_deletions_and_archive_metadata(tmp_path):
    import subprocess

    def git(root, *args):
        return subprocess.run(["git", "-C", str(root), *args], check=True, capture_output=True)

    remote = tmp_path / "remote.git"
    repo = tmp_path / "repo"
    repo.mkdir()
    git(tmp_path, "init", "--bare", str(remote))
    git(repo, "init", "--initial-branch=main")
    git(repo, "config", "user.name", "Evidence test")
    git(repo, "config", "user.email", "evidence@example.invalid")
    git(repo, "remote", "add", "origin", str(remote))
    root = repo / "workspace"
    path = write_unit(root)
    original = path.read_text()
    from tht.evidence.canonical import parse_curated_markdown
    identity = parse_curated_markdown(original).id
    removed = path.with_name("removed.md")
    removed.write_text(original.replace(identity, "evidence:removed"))
    archive = LocalEvidenceArchive(root)
    archive.consolidate(actor="Curator", activate=lambda _: None)
    git(repo, "add", "-A", "--", "workspace/evidence")
    git(repo, "commit", "--only", "-m", "Baseline", "--", "workspace/evidence")

    path.write_text(path.read_text().replace("Use order ID and year.", "Use the approved compound key."))
    added = path.with_name("added.md")
    added.write_text(original.replace(identity, "evidence:added"))
    removed.unlink()
    archive.consolidate(actor="Curator", activate=lambda _: None)
    git(repo, "status", "--short")
    git(repo, "diff", "HEAD", "--", "workspace/evidence")
    git(repo, "add", "-A", "--", "workspace/evidence")
    git(repo, "commit", "--only", "-m", "Curate Evidence", "--", "workspace/evidence")
    git(repo, "push", "origin", "main")
    clone = tmp_path / "clone"
    git(tmp_path, "clone", "--branch", "main", str(remote), str(clone))
    copy = clone / "workspace"
    assert (copy / path.relative_to(root)).read_bytes() == path.read_bytes()
    assert (copy / added.relative_to(root)).exists()
    assert not (copy / removed.relative_to(root)).exists()
    assert (copy / "evidence/local-manifest.yaml").read_bytes() == (root / "evidence/local-manifest.yaml").read_bytes()
    assert LocalEvidenceArchive(copy).active_snapshot().is_dir()
    assert {unit["status"] for unit in browse(copy, {})["items"]} == {"active"}