#!/usr/bin/env python3
"""Check sitrep-panel's package files without external dependencies."""

from __future__ import annotations

import ast
import json
import re
from pathlib import Path

ROOT = Path(__file__).resolve().parent.parent
SKILL = (ROOT / "SKILL.md").read_text(encoding="utf-8")
README = (ROOT / "README.md").read_text(encoding="utf-8")
AGENTS = (ROOT / "AGENTS.md").read_text(encoding="utf-8")
TEMPLATE = (ROOT / "assets" / "template.html").read_text(encoding="utf-8")
PLUGIN = json.loads((ROOT / ".claude-plugin" / "plugin.json").read_text(encoding="utf-8"))
MARKETPLACE = json.loads((ROOT / ".claude-plugin" / "marketplace.json").read_text(encoding="utf-8"))
SERVE_PY = (ROOT / "scripts" / "serve.py").read_text(encoding="utf-8")


def require_match(match: re.Match[str] | None, message: str) -> re.Match[str]:
    if match is None:
        raise SystemExit(message)
    return match


def require(condition: bool, message: str) -> None:
    if not condition:
        raise SystemExit(message)


# --- SKILL.md frontmatter ---------------------------------------------------
yaml_metadata = require_match(
    re.match(r"\A---\n(.*?)\n---\n", SKILL, re.DOTALL),
    "SKILL.md must begin with YAML metadata",
).group(1)

require(
    re.search(r"(?m)^name:\s*sitrep-panel\s*$", yaml_metadata) is not None,
    "SKILL.md metadata must set name: sitrep-panel",
)
require(
    re.search(r"(?m)^description:", yaml_metadata) is not None,
    "SKILL.md metadata must set a description",
)
require(
    re.search(r"(?m)^license:\s*MIT\s*$", yaml_metadata) is not None,
    "SKILL.md metadata must set license: MIT",
)

skill_version = require_match(
    re.search(r'(?m)^\s+version:\s*["\']([^"\']+)["\']\s*$', yaml_metadata),
    "Add metadata.version to SKILL.md",
).group(1)

# --- version consistency across README / plugin.json / marketplace.json ---
readme_version = require_match(
    re.search(r"(?m)^- \*\*([0-9]+\.[0-9]+\.[0-9]+)\*\*", README),
    "Add a version entry to README.md's Versions section",
).group(1)

require(
    skill_version == readme_version == PLUGIN["version"],
    f"Version mismatch: SKILL.md={skill_version} README.md={readme_version} plugin.json={PLUGIN['version']}",
)
require(PLUGIN["name"] == "sitrep-panel", "plugin.json name must be sitrep-panel")
require(PLUGIN["license"] == "MIT", "plugin.json license must be MIT")
require(
    any(p["name"] == "sitrep-panel" for p in MARKETPLACE["plugins"]),
    "marketplace.json must list a sitrep-panel plugin entry",
)

# --- AGENTS.md exists and isn't a stub --------------------------------------
require(len(AGENTS.strip()) > 200, "AGENTS.md looks empty or too short")

# --- template.html has the ids the SKILL.md protocol depends on ------------
for element_id in (
    "board", "board-todo", "board-progress", "board-done", "board-blocked",
    "current-work-body", "shots-body", "entries", "updated-badge",
    "theme-toggle", "section-nav",
):
    require(f'id="{element_id}"' in TEMPLATE, f'template.html is missing id="{element_id}"')
for token in ("{{TITLE}}", "{{SUBTITLE}}"):
    require(token in TEMPLATE, f"template.html is missing the {token} placeholder")
require("meta.json" in TEMPLATE, "template.html must poll meta.json for live-reload")
require("data-theme" in TEMPLATE, "template.html must support a manual light/dark toggle")

# --- serve.py is at least syntactically valid Python ------------------------
try:
    ast.parse(SERVE_PY, filename="scripts/serve.py")
except SyntaxError as exc:  # pragma: no cover - fails loud on purpose
    raise SystemExit(f"scripts/serve.py has a syntax error: {exc}") from exc
require("SERVING http://localhost" in SERVE_PY, "serve.py must print the SERVING line callers parse")

print("sitrep-panel package checks passed.")