"""
Company: eXonware.com
Author: eXonware Backend Team
Email: connect@exonware.com
Version: 0.9.0.6
Generation Date: November 2, 2025
Thrift serialization - Apache Thrift RPC framework.
Following I→A→XW pattern:
- I: ISerialization (interface)
- A: ASerialization (abstract base)
- XW: ThriftSerializer (concrete implementation)
"""

from typing import Any
from pathlib import Path
from exonware.xwsystem.io.serialization.base import ASerialization
from exonware.xwsystem.io.contracts import EncodeOptions, DecodeOptions
from exonware.xwsystem.io.defs import CodecCapability
from exonware.xwsystem.io.errors import SerializationError
from thrift.protocol import TBinaryProtocol, TCompactProtocol
from thrift.transport import TTransport


class ThriftSerializer(ASerialization):
    """
    Thrift serializer - follows I→A→XW pattern.
    Uses Apache Thrift library.
    """

    def __init__(self):
        """Initialize Thrift serializer."""
        super().__init__()
    @property

    def codec_id(self) -> str:
        return "thrift"
    @property

    def media_types(self) -> list[str]:
        return ["application/x-thrift"]
    @property

    def file_extensions(self) -> list[str]:
        return [".thrift"]
    @property

    def format_name(self) -> str:
        return "Thrift"
    @property

    def mime_type(self) -> str:
        return "application/x-thrift"
    @property

    def is_binary_format(self) -> bool:
        return True
    @property

    def supports_streaming(self) -> bool:
        return False
    @property

    def capabilities(self) -> CodecCapability:
        return CodecCapability.BIDIRECTIONAL | CodecCapability.SCHEMA_BASED
    @property

    def aliases(self) -> list[str]:
        return ["thrift", "THRIFT"]

    def encode(self, value: Any, *, options: EncodeOptions | None = None) -> bytes | str:
        """Encode Thrift struct to bytes."""
        try:
            trans = TTransport.TMemoryBuffer()
            proto = TBinaryProtocol.TBinaryProtocol(trans)
            value.write(proto)
            return trans.getvalue()
        except Exception as e:
            raise SerializationError(f"Failed to encode Thrift: {e}", self.format_name, e)

    def decode(self, repr: bytes | str, *, options: DecodeOptions | None = None) -> Any:
        """Decode Thrift bytes to struct."""
        try:
            opts = options or {}
            thrift_class = opts.get('thrift_class')
            if thrift_class is None:
                raise ValueError("thrift_class required in options")
            if isinstance(repr, str):
                repr = repr.encode('utf-8')
            trans = TTransport.TMemoryBuffer(repr)
            proto = TBinaryProtocol.TBinaryProtocol(trans)
            obj = thrift_class()
            obj.read(proto)
            return obj
        except Exception as e:
            raise SerializationError(f"Failed to decode Thrift: {e}", self.format_name, e)
