#!/usr/bin/env python3
"""Output JS build manifest as structured text for the MCP server."""
from __future__ import annotations

import json
import os
import re
import sys

_HERE = os.path.dirname(os.path.abspath(__file__))
_PROJECT = os.path.abspath(os.path.join(_HERE, "..", ".."))
if _PROJECT not in sys.path:
    sys.path.insert(0, _PROJECT)

from hosts.javascript.platform import (
    ADAPTER_FILES, ADAPTER_DEPS, SPEC_MODULES, SPEC_MODULE_ORDER,
    PRIMITIVES_JS_MODULES, _ALL_JS_MODULES, EXTENSION_NAMES,
)


def extract_primitives(js_code: str) -> list[str]:
    """Extract PRIMITIVES["name"] registrations from JS code."""
    return sorted(set(re.findall(r'PRIMITIVES\["([^"]+)"\]', js_code)))


def main():
    # Core spec files (always included)
    core_files = [
        "evaluator.sx (frames + eval + CEK)",
        "freeze.sx (serializable state)",
        "content.sx (content-addressed computation)",
        "render.sx (core renderer)",
        "web-forms.sx (defstyle, deftype, defeffect)",
    ]

    # Adapters
    adapter_lines = []
    for name, (filename, label) in sorted(ADAPTER_FILES.items()):
        deps = ADAPTER_DEPS.get(name, [])
        dep_str = f" (deps: {', '.join(deps)})" if deps else ""
        adapter_lines.append(f"  {name:18s} {filename:22s} {label}{dep_str}")

    # Spec modules
    module_lines = []
    for name in SPEC_MODULE_ORDER:
        if name in SPEC_MODULES:
            filename, label = SPEC_MODULES[name]
            module_lines.append(f"  {name:18s} {filename:22s} {label}")

    # Extensions
    ext_lines = [f"  {name}" for name in sorted(EXTENSION_NAMES)]

    # Primitive modules
    prim_lines = []
    for mod_name in sorted(_ALL_JS_MODULES):
        if mod_name in PRIMITIVES_JS_MODULES:
            prims = extract_primitives(PRIMITIVES_JS_MODULES[mod_name])
            prim_lines.append(f"  {mod_name} ({len(prims)}): {', '.join(prims)}")

    # Current build file
    build_path = os.path.join(_PROJECT, "shared", "static", "scripts", "sx-browser.js")
    build_info = ""
    if os.path.exists(build_path):
        size = os.path.getsize(build_path)
        mtime = os.path.getmtime(build_path)
        from datetime import datetime
        ts = datetime.fromtimestamp(mtime).strftime("%Y-%m-%d %H:%M:%S")
        # Count PRIMITIVES in actual build
        with open(build_path) as f:
            content = f.read()
        actual_prims = extract_primitives(content)
        build_info = f"\nCurrent build: {size:,} bytes, {ts}, {len(actual_prims)} primitives registered"

    print(f"""JS Build Manifest
=================
{build_info}

Core files (always included):
  {chr(10).join('  ' + f for f in core_files)}

Adapters ({len(ADAPTER_FILES)}):
{chr(10).join(adapter_lines)}

Spec modules ({len(SPEC_MODULES)}, order: {' → '.join(SPEC_MODULE_ORDER)}):
{chr(10).join(module_lines)}

Extensions ({len(EXTENSION_NAMES)}):
{chr(10).join(ext_lines)}

Primitive modules ({len(_ALL_JS_MODULES)}):
{chr(10).join(prim_lines)}""")


if __name__ == "__main__":
    main()