"""
Android net.rtp 包 — AudioGroup, AudioCodec, RtpStream, AudioStream
方法签名完全对齐 Android SDK (此包已废弃但仍是 SDK 的一部分)
"""

from __future__ import annotations

import sys
from typing import Any, Dict, List, Optional, Tuple

from .._core import Stub, AndroidOnlyError
from ..java.lang import RuntimeException

IllegalArgumentException = type("IllegalArgumentException", (RuntimeException,), {})

__all__ = [
    "AudioGroup",
    "AudioCodec",
    "RtpStream",
    "AudioStream",
]


# ═══════════════════════════════════════════════════════════════
# AudioGroup
# ═══════════════════════════════════════════════════════════════

class AudioGroup(Stub):
    """AudioGroup — 音频组 (桌面存根)"""

    ON_HOLD = 0
    MUTED = 1
    NORMAL = 2
    ECHO_SUPPRESSION = 3

    def __init__(self):
        super().__init__()
        self._group_mode = AudioGroup.NORMAL
        self._streams: List["AudioStream"] = []

    def clear(self) -> None:
        """清除所有流"""
        self._streams.clear()

    def getGroupMode(self) -> int:
        """获取组模式"""
        return self._group_mode

    def setMode(self, mode: int) -> None:
        """设置模式"""
        self._group_mode = mode

    def sendDtmf(self, digit: int) -> None:
        """发送 DTMF 音调"""
        pass

    def getRtpStream(self, index: int) -> Optional["RtpStream"]:
        """获取 RTP 流"""
        if 0 <= index < len(self._streams):
            return self._streams[index]
        return None


# ═══════════════════════════════════════════════════════════════
# AudioCodec
# ═══════════════════════════════════════════════════════════════

class AudioCodec(Stub):
    """AudioCodec — 音频编解码器 (桌面存根)"""

    AMR: "AudioCodec" = None
    PCMA: "AudioCodec" = None
    PCMU: "AudioCodec" = None
    GSM_EFR: "AudioCodec" = None

    MIN_FRAME_SIZE = 1
    MAX_FRAME_SIZE = 320
    FRAME_COUNT = 8
    CODEC_AMR = 0
    CODEC_PCMA = 1
    CODEC_PCMU = 2
    CODEC_GSM_EFR = 3

    def __init__(self, type_: int = 0, codec: str = "", codec_spec: str = "", fmtp: str = ""):
        super().__init__()
        self._type = type_
        self._codec = codec
        self._codec_spec = codec_spec
        self._fmtp = fmtp

    @property
    def type(self) -> int:
        """获取类型"""
        return self._type

    @property
    def codec(self) -> str:
        """获取编解码器名称"""
        return self._codec

    @property
    def codecSpec(self) -> str:
        """获取编解码器规格"""
        return self._codec_spec

    @property
    def fmtp(self) -> str:
        """获取 fmtp"""
        return self._fmtp

    @staticmethod
    def getCapabilities() -> List["AudioCodec"]:
        """获取能力列表"""
        return [AudioCodec.AMR, AudioCodec.PCMA, AudioCodec.PCMU, AudioCodec.GSM_EFR]

    @staticmethod
    def getCodecCapabilities(codec_type: int) -> Optional["AudioCodec"]:
        """获取指定类型的编解码器能力"""
        codecs = {
            AudioCodec.CODEC_AMR: AudioCodec.AMR,
            AudioCodec.CODEC_PCMA: AudioCodec.PCMA,
            AudioCodec.CODEC_PCMU: AudioCodec.PCMU,
            AudioCodec.CODEC_GSM_EFR: AudioCodec.GSM_EFR,
        }
        return codecs.get(codec_type)

    @staticmethod
    def getEncoder(codec_type: int) -> Optional["AudioCodec"]:
        """获取编码器"""
        return AudioCodec.getCodecCapabilities(codec_type)

    @staticmethod
    def getDecoder(codec_type: int) -> Optional["AudioCodec"]:
        """获取解码器"""
        return AudioCodec.getCodecCapabilities(codec_type)

    def toString(self) -> str:
        return f"AudioCodec(type={self._type}, codec={self._codec})"


# Initialize AudioCodec constants
AudioCodec.AMR = AudioCodec(AudioCodec.CODEC_AMR, "AMR", "AMR/8000", "")
AudioCodec.PCMA = AudioCodec(AudioCodec.CODEC_PCMA, "PCMA", "PCMA/8000", "")
AudioCodec.PCMU = AudioCodec(AudioCodec.CODEC_PCMU, "PCMU", "PCMU/8000", "")
AudioCodec.GSM_EFR = AudioCodec(AudioCodec.CODEC_GSM_EFR, "GSM-EFR", "GSM-EFR/8000", "")


# ═══════════════════════════════════════════════════════════════
# RtpStream
# ═══════════════════════════════════════════════════════════════

class RtpStream(Stub):
    """RtpStream — RTP 流 (桌面存根)"""

    MODE_NORMAL = 0
    MODE_SEND_ONLY = 1
    MODE_RECEIVE_ONLY = 2
    MODE_SEND_RECEIVE = 3
    MODE_HOLD = 4

    def __init__(self, local_address: str = "127.0.0.1", local_port: int = 5004):
        super().__init__()
        self._local_address = local_address
        self._local_port = local_port
        self._remote_address = ""
        self._remote_port = 0
        self._mode = RtpStream.MODE_NORMAL
        self._released = False

    def getLocalAddress(self) -> str:
        """获取本地地址"""
        return self._local_address

    def getLocalPort(self) -> int:
        """获取本地端口"""
        return self._local_port

    def getRemoteAddress(self) -> str:
        """获取远程地址"""
        return self._remote_address

    def getRemotePort(self) -> int:
        """获取远程端口"""
        return self._remote_port

    def getMode(self) -> int:
        """获取模式"""
        return self._mode

    def setMode(self, mode: int) -> None:
        """设置模式"""
        self._mode = mode

    def associate(self, remote_address: str, remote_port: int) -> None:
        """关联远程地址端口"""
        self._remote_address = remote_address
        self._remote_port = remote_port

    def release(self) -> None:
        """释放资源"""
        self._released = True


# ═══════════════════════════════════════════════════════════════
# AudioStream
# ═══════════════════════════════════════════════════════════════

class AudioStream(RtpStream):
    """AudioStream — 音频流 (桌面存根)"""

    def __init__(self, local_address: str = "127.0.0.1", local_port: int = 5006):
        super().__init__(local_address, local_port)
        self._codec: Optional[AudioCodec] = None
        self._group: Optional[AudioGroup] = None
        self._dtmf_type: int = -1

    def getCodec(self) -> Optional[AudioCodec]:
        """获取编解码器"""
        return self._codec

    def setCodec(self, codec: AudioCodec) -> None:
        """设置编解码器"""
        self._codec = codec

    def getGroup(self) -> Optional[AudioGroup]:
        """获取音频组"""
        return self._group

    def setGroup(self, group: Optional[AudioGroup]) -> None:
        """设置音频组"""
        self._group = group

    def getDtmfType(self) -> int:
        """获取 DTMF 类型"""
        return self._dtmf_type

    def setDtmfType(self, type_: int) -> None:
        """设置 DTMF 类型"""
        self._dtmf_type = type_

    def join(self, group: AudioGroup) -> None:
        """加入音频组"""
        self._group = group

    def release(self) -> None:
        super().release()