"""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 test_handoff_skill_references_files_that_exist():
    skill = ROOT / "skills" / "rpa-bot-handoff"
    paths = re.findall(r"`(templates/[\w./-]+)`", (skill / "SKILL.md").read_text(encoding="utf-8"))
    assert len(paths) >= 3
    assert not [p for p in paths if not (skill / p).exists()]


def test_handoff_skill_stays_short():
    skill = (ROOT / "skills" / "rpa-bot-handoff" / "SKILL.md").read_text(encoding="utf-8")
    assert len(skill.split()) <= 500, len(skill.split())
    assert len(re.findall(r"^\d+\. ", skill.split("## Don't miss")[1], re.MULTILINE)) == 6


def test_handoff_sop_has_five_sections_in_order():
    sop = (ROOT / "skills" / "rpa-bot-handoff" / "templates" / "HANDOVER-SOP.md").read_text(encoding="utf-8")
    assert re.search(r"^# \{\{PROJECT_NAME\}\} Handover SOP$", sop, re.MULTILINE)
    assert [int(n) for n in re.findall(r"^## (\d+)\.", sop, re.MULTILINE)] == list(range(1, 6))


def test_handoff_sop_emails_the_developer_with_the_manager_in_cc():
    sop = (ROOT / "skills" / "rpa-bot-handoff" / "templates" / "HANDOVER-SOP.md").read_text(encoding="utf-8")
    email = sop.split("## 5.")[1]
    assert "To: {{DEV_EMAIL}}" in email and "CC: {{MANAGER_EMAIL}}" in email


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