import time
from typing import Dict, Any, List, Optional
from datetime import datetime


class ManifestBuilder:
    @staticmethod
    def build(
        source_file: str,
        source_type: str,
        segments: List[Dict[str, Any]],
        version: str = "1.0.0",
        glyphs: Optional[List[str]] = None,
        superpowers: Optional[List[str]] = None,
        contributor: str = "GlyphRunner",
        epoch: Optional[int] = None
    ) -> Dict[str, Any]:
        if glyphs is None:
            glyphs = []
        if superpowers is None:
            superpowers = []
        if epoch is None:
            epoch = int(time.time() * 1000)

        manifest = {
            "version": version,
            "origin": "gx_compiler",
            "timestamp": datetime.utcnow().isoformat(),
            "source_file": source_file,
            "source_type": source_type,
            "compression_model": "gsz3",
            "glyphs": glyphs,
            "superpowers": superpowers,
            "codex_lineage": {
                "segments": segments
            },
            "contributor": contributor,
            "epoch": epoch
        }

        return manifest