"""Python templates must stay valid Python before their placeholders are filled."""
import re
import shutil
import subprocess
import sys
from pathlib import Path

import pytest

ROOT = Path(__file__).resolve().parents[1]
HOOK_RULES = "E9,F63,F7,F82,F811"  # same rule set as the PostToolUse lint hook


@pytest.mark.parametrize("template", ["skills/rpa-dashboard-no-ai/templates/bridge.py",
                                      "skills/rpa-dashboard-no-ai/templates/bot_runner.py",
                                      "skills/rpa-dashboard-ai/templates/desktop/ai_bridge.py"])
def test_template_passes_lint_hook_unfilled(template):
    ruff = shutil.which("ruff") or pytest.skip("ruff not on PATH")
    r = subprocess.run([ruff, "check", "--select", HOOK_RULES, "--no-cache", str(ROOT / template)],
                       capture_output=True, text=True)
    assert r.returncode == 0, r.stdout


def test_tebra_sky_preset_is_the_template_default():
    templates = ROOT / "skills" / "rpa-dashboard-no-ai" / "templates"
    themes = (templates / "themes.md").read_text(encoding="utf-8")
    sky = themes.split("## 1. Tebra Sky")[1].split("```css\n")[1].split("```")[0]
    assert sky in (templates / "dashboard.html").read_text(encoding="utf-8")


@pytest.mark.parametrize("skill", ["rpa-dashboard-no-ai", "rpa-dashboard-ai", "rpa-bot-handoff"])
def test_skill_description_fits_the_1024_char_limit(skill):
    text = (ROOT / "skills" / skill / "SKILL.md").read_text(encoding="utf-8")
    description = re.search(r"^description: (.+)$", text, re.MULTILINE)[1]
    assert len(description) <= 1024, len(description)


def test_ai_skill_references_files_that_exist():
    skill = ROOT / "skills" / "rpa-dashboard-ai"
    text = (skill / "SKILL.md").read_text(encoding="utf-8")
    paths = re.findall(r"`((?:templates/|<no-ai>)[\w./-]+)`", text)
    assert len(paths) > 5
    missing = [p for p in paths
               if not (skill / p.replace("<no-ai>", "../rpa-dashboard-no-ai/templates/")).exists()]
    assert not missing


def handoff_skill():
    return (ROOT / "skills" / "rpa-bot-handoff" / "SKILL.md").read_text(encoding="utf-8")


def test_handoff_skill_is_one_short_file_plus_the_converter():
    files = sorted(p.relative_to(ROOT / "skills" / "rpa-bot-handoff").as_posix()
                   for p in (ROOT / "skills" / "rpa-bot-handoff").rglob("*") if p.is_file())
    assert files == ["SKILL.md", "templates/to_docx.py"], files
    assert len(handoff_skill().splitlines()) <= 60
    assert "templates/to_docx.py" in handoff_skill()


def test_handoff_skill_lists_six_dont_miss_checks():
    assert len(re.findall(r"^\d+\. ", handoff_skill().split("Don't miss")[1], re.MULTILINE)) == 6


def test_handoff_sop_shape_has_five_sections_and_to_cc():
    shape = handoff_skill().split("```markdown")[1].split("```")[0]
    assert "# <Project Name> Handover SOP" in shape
    assert [int(n) for n in re.findall(r"^## (\d+)\.", shape, re.MULTILINE)] == list(range(1, 6))
    assert "To: <developer>" in shape and "CC: <manager>" in shape


def test_handoff_docx_selfcheck():
    pytest.importorskip("docx")
    script = ROOT / "skills" / "rpa-bot-handoff" / "templates" / "to_docx.py"
    r = subprocess.run([sys.executable, str(script), "--selfcheck"], capture_output=True, text=True)
    assert r.returncode == 0, r.stderr