from pathlib import Path
import json
import pytest
from unittest.mock import patch, MagicMock
from scripts.audit.generate_chronology import (
 extract_slug_date,
 extract_summary,
 classify_status,
 walk_track_folders,
 format_markdown,
)
from scripts.audit.chronology_quality_gate import run_quality_gate


def test_slug_date_extraction() -> None:
 result: str = extract_slug_date("gencpp_python_bindings_20260308")
 assert result == "2026-03-08"


def test_slug_date_extraction_handles_missing_date() -> None:
 result = extract_slug_date("my_folder")
 assert result is None


def test_summary_extraction_rejects_priority_line(tmp_path: Path) -> None:
 spec_content: str = "# Title\n\n**Priority:** A (foundational)\n\nReal description of the work.\n"
 (tmp_path / "spec.md").write_text(spec_content, encoding="utf-8")
 result: str = extract_summary(tmp_path)
 assert result == "Real description of the work."


def test_summary_extraction_rejects_date_line(tmp_path: Path) -> None:
 spec_content: str = "# Title\n\n**Date:** 2026-06-20\n\nReal description.\n"
 (tmp_path / "spec.md").write_text(spec_content, encoding="utf-8")
 result: str = extract_summary(tmp_path)
 assert result == "Real description."


def test_summary_extraction_rejects_initialized_line(tmp_path: Path) -> None:
 spec_content: str = "# Title\n\n**Initialized:** 2026-06-13\n\nReal description.\n"
 (tmp_path / "spec.md").write_text(spec_content, encoding="utf-8")
 result: str = extract_summary(tmp_path)
 assert result == "Real description."


def test_summary_extraction_rejects_track_line(tmp_path: Path) -> None:
 spec_content: str = "# Title\n\n**Track:** Some track\n\nReal description.\n"
 (tmp_path / "spec.md").write_text(spec_content, encoding="utf-8")
 result: str = extract_summary(tmp_path)
 assert result == "Real description."


def test_summary_extraction_rejects_parent_umbrella_line(tmp_path: Path) -> None:
 spec_content: str = "# Title\n\n**Parent umbrella:** result_migration_20260616\n\nReal description.\n"
 (tmp_path / "spec.md").write_text(spec_content, encoding="utf-8")
 result: str = extract_summary(tmp_path)
 assert result == "Real description."


def test_summary_extraction_rejects_confidence_line(tmp_path: Path) -> None:
 spec_content: str = "# Title\n\n**Confidence:** high\n\nReal description.\n"
 (tmp_path / "spec.md").write_text(spec_content, encoding="utf-8")
 result: str = extract_summary(tmp_path)
 assert result == "Real description."


def test_summary_extraction_prefers_metadata_description_prose(tmp_path: Path) -> None:
 metadata: dict = {"description": "A real prose description of the track."}
 (tmp_path / "metadata.json").write_text(json.dumps(metadata), encoding="utf-8")
 result: str = extract_summary(tmp_path)
 assert result == "A real prose description of the track."


def test_summary_extraction_rejects_metadata_description_field_text(tmp_path: Path) -> None:
 metadata: dict = {"description": "**Priority:** A (foundational)"}
 (tmp_path / "metadata.json").write_text(json.dumps(metadata), encoding="utf-8")
 spec_content: str = "# Title\n\nReal description from spec.\n"
 (tmp_path / "spec.md").write_text(spec_content, encoding="utf-8")
 result: str = extract_summary(tmp_path)
 assert result == "Real description from spec."


def test_summary_extraction_truncates_to_25_words(tmp_path: Path) -> None:
 long_line: str = " ".join(["word"] * 50)
 spec_content: str = f"# Title\n\n{long_line}\n"
 (tmp_path / "spec.md").write_text(spec_content, encoding="utf-8")
 result: str = extract_summary(tmp_path)
 expected: str = " ".join(["word"] * 25) + "\u2026"
 assert result == expected


# --- Classifier tests (the new git-history classifier) ---

def test_classify_status_completion_report_override(tmp_path: Path) -> None:
 """TRACK_COMPLETION report in docs/reports/ overrides everything."""
 reports_dir = tmp_path / "docs/reports"
 reports_dir.mkdir(parents=True)
 (reports_dir / "TRACK_COMPLETION_my_track_20260701.md").write_text("report", encoding="utf-8")
 result = classify_status(
  folder_link="conductor/tracks/my_track_20260701",
  current="active",
  track_id="my_track_20260701",
  repo_root=tmp_path,
  reports_dir=reports_dir,
 )
 assert result[0] == "Completed"
 assert result[1] == "high"
 assert "completion report" in result[2]


def test_classify_status_abort_report_override(tmp_path: Path) -> None:
 """TRACK_ABORTED report -> Abandoned."""
 reports_dir = tmp_path / "docs/reports"
 reports_dir.mkdir(parents=True)
 (reports_dir / "TRACK_ABORTED_my_track_20260701.md").write_text("report", encoding="utf-8")
 result = classify_status(
  folder_link="conductor/tracks/my_track_20260701",
  current="active",
  track_id="my_track_20260701",
  repo_root=tmp_path,
  reports_dir=reports_dir,
  has_abort_report=True,
 )
 assert result[0] == "Abandoned"
 assert result[1] == "high"
 assert "abort report" in result[2]


def test_classify_status_superseded_state_toml_overrides_abort(tmp_path: Path) -> None:
 """state.toml status=superseded wins over abort report."""
 reports_dir = tmp_path / "docs/reports"
 reports_dir.mkdir(parents=True)
 (reports_dir / "TRACK_ABORTED_my_track_20260701.md").write_text("report", encoding="utf-8")
 result = classify_status(
  folder_link="conductor/tracks/my_track_20260701",
  current="active",
  track_id="my_track_20260701",
  repo_root=tmp_path,
  reports_dir=reports_dir,
  has_abort_report=True,
  state_status="superseded",
 )
 assert result[0] == "Superseded"
 assert result[1] == "high"


def test_classify_status_work_commits_completed(tmp_path: Path) -> None:
 """>=3 work commits -> Completed."""
 reports_dir = tmp_path / "docs/reports"
 reports_dir.mkdir(parents=True)
 with patch("scripts.audit.generate_chronology._git_log") as mock_log:
  mock_log.return_value = "abc1234 feat: add thing\ndef5678 fix: fix thing\nghi9012 refactor: refactor thing\n"
  result = classify_status(
   folder_link="conductor/tracks/my_track_20260701",
   current="active",
   track_id="my_track_20260701",
   repo_root=tmp_path,
   reports_dir=reports_dir,
  )
 assert result[0] == "Completed"
 assert result[1] == "medium"
 assert "work commits" in result[2]


def test_classify_status_metadata_commits_not_countd_as_work(tmp_path: Path) -> None:
 """conductor(plan): commits don't count as work commits."""
 reports_dir = tmp_path / "docs/reports"
 reports_dir.mkdir(parents=True)
 with patch("scripts.audit.generate_chronology._git_log") as mock_log:
  mock_log.return_value = "abc1234 conductor(plan): mark task\ndef5678 conductor(state): update\nghi9012 conductor(track): init\n"
  result = classify_status(
   folder_link="conductor/tracks/my_track_20260701",
   current="active",
   track_id="my_track_20260701",
   repo_root=tmp_path,
   reports_dir=reports_dir,
  )
 assert result[0] == "Active"


def test_classify_status_1_2_work_commits_in_progress(tmp_path: Path) -> None:
 """1-2 work commits + in tracks/ -> In Progress."""
 reports_dir = tmp_path / "docs/reports"
 reports_dir.mkdir(parents=True)
 with patch("scripts.audit.generate_chronology._git_log") as mock_log:
  mock_log.return_value = "abc1234 feat: add thing\ndef5678 fix: fix thing\n"
  result = classify_status(
   folder_link="conductor/tracks/my_track_20260701",
   current="active",
   track_id="my_track_20260701",
   repo_root=tmp_path,
   reports_dir=reports_dir,
  )
 assert result[0] == "In Progress"


def test_classify_status_archive_no_override_completed_low(tmp_path: Path) -> None:
 """archive/ + no completion report -> Completed (low confidence)."""
 reports_dir = tmp_path / "docs/reports"
 reports_dir.mkdir(parents=True)
 with patch("scripts.audit.generate_chronology._git_log") as mock_log:
  mock_log.return_value = "abc1234 feat: thing\ndef5678 fix: thing\nghi9012 refactor: thing\n"
  result = classify_status(
   folder_link="conductor/archive/my_track_20260701",
   current="active",
   track_id="my_track_20260701",
   repo_root=tmp_path,
   reports_dir=reports_dir,
  )
 # >=3 work commits -> Completed (medium), even in archive
 assert result[0] == "Completed"


def test_classify_status_fallback_needs_review(tmp_path: Path) -> None:
 """Inconclusive -> Needs Review (path is neither tracks/ nor archive/)."""
 reports_dir = tmp_path / "docs/reports"
 reports_dir.mkdir(parents=True)
 with patch("scripts.audit.generate_chronology._git_log") as mock_log:
  mock_log.return_value = ""
  result = classify_status(
   folder_link="some/other/path/my_track",
   current="",
   track_id="my_track",
   repo_root=tmp_path,
   reports_dir=reports_dir,
  )
 assert result[0] == "Needs Review"


def test_classify_status_returns_3_tuple(tmp_path: Path) -> None:
 """Classifier must return (status, confidence, reason)."""
 reports_dir = tmp_path / "docs/reports"
 reports_dir.mkdir(parents=True)
 with patch("scripts.audit.generate_chronology._git_log") as mock_log:
  mock_log.return_value = ""
  result = classify_status(
   folder_link="conductor/tracks/my_track_20260701",
   current="active",
   track_id="my_track_20260701",
   repo_root=tmp_path,
   reports_dir=reports_dir,
  )
 assert len(result) == 3
 assert isinstance(result[0], str)
 assert isinstance(result[1], str)
 assert isinstance(result[2], str)