"""
音乐点歌插件

支持两种触发方式：
1. 指令触发：点歌 歌曲名
2. AI函数调用
"""

import aiohttp
from pathlib import Path
from typing import List, Optional
from loguru import logger
from utils.plugin_base import PluginBase
from utils.decorators import on_text_message
from WechatHook import WechatHookClient


class MusicPlugin(PluginBase):
    """音乐点歌插件"""

    description = "音乐点歌 - 搜索并播放歌曲"
    author = "ShiHao"
    version = "1.0.0"

    def __init__(self):
        super().__init__()
        self.api_url = "https://music-dl.sayqz.com/api/"

    async def async_init(self):
        """异步初始化"""
        logger.success("音乐点歌插件初始化完成")

    async def search_music_from_source(self, keyword: str, source: str) -> Optional[dict]:
        """
        从指定平台搜索音乐

        Args:
            keyword: 歌曲关键词
            source: 音乐平台 (netease/qq/kuwo)

        Returns:
            歌曲信息字典，失败返回 None
        """
        params = {
            "source": source,
            "keyword": keyword,
            "type": "search"
        }

        try:
            async with aiohttp.ClientSession() as session:
                async with session.get(
                    self.api_url,
                    params=params,
                    timeout=aiohttp.ClientTimeout(total=10)
                ) as resp:
                    if resp.status != 200:
                        logger.warning(f"[{source}] 搜索失败: HTTP {resp.status}")
                        return None

                    result = await resp.json()

                    if result.get("code") != 200:
                        logger.warning(f"[{source}] 搜索失败: {result.get('message')}")
                        return None

                    data = result.get("data", {})
                    results = data.get("results", [])

                    if not results:
                        logger.warning(f"[{source}] 未找到歌曲: {keyword}")
                        return None

                    # 返回第一个结果
                    return results[0]

        except Exception as e:
            logger.warning(f"[{source}] 搜索异常: {e}")
            return None

    async def search_music(self, keyword: str) -> List[dict]:
        """
        从三个平台搜索音乐

        Args:
            keyword: 歌曲关键词

        Returns:
            歌曲信息列表
        """
        import asyncio

        sources = ["netease", "qq", "kuwo"]  # 恢复qq用于调试
        tasks = [self.search_music_from_source(keyword, source) for source in sources]
        results = await asyncio.gather(*tasks, return_exceptions=True)

        # 过滤掉失败的结果
        songs = []
        for result in results:
            if isinstance(result, dict) and result:
                songs.append(result)

        return songs

    async def get_real_url(self, redirect_url: str) -> str:
        """
        获取重定向后的真实 URL

        Args:
            redirect_url: 重定向链接

        Returns:
            真实 URL
        """
        try:
            async with aiohttp.ClientSession() as session:
                async with session.get(
                    redirect_url,
                    allow_redirects=True,
                    timeout=aiohttp.ClientTimeout(total=5)
                ) as resp:
                    return str(resp.url)
        except Exception as e:
            logger.warning(f"获取真实URL失败: {e}")
            return redirect_url

    async def send_music_chat_record(self, bot: WechatHookClient, to_wxid: str, keyword: str, songs: list):
        """
        以聊天记录格式发送音乐卡片

        Args:
            bot: 机器人客户端
            to_wxid: 接收者 wxid
            keyword: 搜索关键词
            songs: 歌曲列表
        """
        try:
            import uuid
            import time
            import hashlib
            import xml.etree.ElementTree as ET

            is_group = to_wxid.endswith("@chatroom")

            # 构造聊天记录 XML
            recordinfo = ET.Element("recordinfo")
            ET.SubElement(recordinfo, "info").text = f"🎵 {keyword}"
            ET.SubElement(recordinfo, "isChatRoom").text = "1" if is_group else "0"
            datalist = ET.SubElement(recordinfo, "datalist")
            datalist.set("count", str(len(songs)))
            ET.SubElement(recordinfo, "desc").text = f"{keyword} 音乐"
            ET.SubElement(recordinfo, "fromscene").text = "3"

            for song in songs:
                name = song.get("name", "未知歌曲")
                artist = song.get("artist", "未知歌手")
                platform = song.get("platform", "unknown")
                url_redirect = song.get("url", "")
                pic_redirect = song.get("pic", "")

                # 获取真实 URL
                url = await self.get_real_url(url_redirect) if url_redirect else ""
                pic = await self.get_real_url(pic_redirect) if pic_redirect else ""

                # 根据平台选择 appid
                appid_map = {
                    "netease": "wx8dd6ecd81906fd84",
                    "qq": "wx45116b30f23e0cc4",
                    "kuwo": "wxc305711a2a7ad71c"
                }
                appid = appid_map.get(platform, "wx8dd6ecd81906fd84")

                # 构造音乐卡片 XML
                music_xml = f"""<appmsg appid="{appid}" sdkver="0"><title>{name}</title><des>{artist}</des><action>view</action><type>3</type><showtype>0</showtype><content/><url>{url}</url><dataurl>{url}</dataurl><lowurl>{url}</lowurl><lowdataurl>{url}</lowdataurl><recorditem/><thumburl>{pic}</thumburl><messageaction/><laninfo/><extinfo/><sourceusername/><sourcedisplayname/><songlyric></songlyric><commenturl/><appattach><totallen>0</totallen><attachid/><emoticonmd5/><fileext/><aeskey/></appattach><webviewshared><publisherId/><publisherReqId>0</publisherReqId></webviewshared><weappinfo><pagepath/><username/><appid/><appservicetype>0</appservicetype></weappinfo><websearch/><songalbumurl>{pic}</songalbumurl></appmsg>"""

                di = ET.SubElement(datalist, "dataitem")
                di.set("datatype", "49")  # 49=appmsg（应用消息）
                di.set("dataid", uuid.uuid4().hex)
                ET.SubElement(di, "srcMsgLocalid").text = str((int(time.time() * 1000) % 90000) + 10000)
                ET.SubElement(di, "sourcetime").text = time.strftime("%Y-%m-%d %H:%M")
                ET.SubElement(di, "fromnewmsgid").text = str(int(time.time() * 1000))
                ET.SubElement(di, "srcMsgCreateTime").text = str(int(time.time()))
                ET.SubElement(di, "sourcename").text = f"{name}"
                ET.SubElement(di, "sourceheadurl").text = pic
                ET.SubElement(di, "datatitle").text = f"{name} - {artist}"
                ET.SubElement(di, "datadesc").text = artist
                ET.SubElement(di, "datafmt").text = "appmsg"
                ET.SubElement(di, "ischatroom").text = "1" if is_group else "0"
                # 使用 CDATA 包裹音乐 XML
                appmsg_elem = ET.SubElement(di, "appmsg")
                appmsg_elem.text = f"<![CDATA[{music_xml}]]>"
                dataitemsource = ET.SubElement(di, "dataitemsource")
                ET.SubElement(dataitemsource, "hashusername").text = hashlib.sha256(to_wxid.encode("utf-8")).hexdigest()

            record_xml = ET.tostring(recordinfo, encoding="unicode")

            appmsg_xml = f"""<appmsg appid="" sdkver="0"><title>🎵 {keyword}</title><des>{keyword} 音乐</des><type>19</type><url>https://support.weixin.qq.com/cgi-bin/mmsupport-bin/readtemplate?t=page/favorite_record__w_unsupport</url><appattach><cdnthumbaeskey></cdnthumbaeskey><aeskey></aeskey></appattach><recorditem><![CDATA[{record_xml}]]></recorditem><percent>0</percent></appmsg>"""

            await bot._send_data_async(11214, {"to_wxid": to_wxid, "content": appmsg_xml})
            logger.success(f"已发送音乐聊天记录: {len(songs)} 首")

        except Exception as e:
            logger.error(f"发送音乐聊天记录失败: {e}")

    async def send_music_card(self, bot: WechatHookClient, to_wxid: str, song: dict, retry: int = 2):
        """
        发送音乐卡片

        Args:
            bot: 机器人客户端
            to_wxid: 接收者 wxid
            song: 歌曲信息
            retry: 重试次数
        """
        try:
            name = song.get("name", "未知歌曲")
            artist = song.get("artist", "未知歌手")
            url_redirect = song.get("url", "")
            pic_redirect = song.get("pic", "")
            platform = song.get("platform", "unknown")

            logger.info(f"准备发送音乐卡片: {name} - {artist} (平台: {platform})")

            # 获取真实播放 URL（失败则使用原链接）
            url = url_redirect
            if url_redirect:
                try:
                    url = await self.get_real_url(url_redirect)
                except Exception as e:
                    logger.warning(f"获取播放链接失败，使用原链接: {e}")

            # 获取真实封面图片 URL（失败则使用空字符串）
            pic = ""
            if pic_redirect:
                try:
                    pic = await self.get_real_url(pic_redirect)
                except Exception as e:
                    logger.warning(f"获取封面失败，使用空封面: {e}")

            # 歌词字段留空（避免XML过大）
            lrc = ""

            # 根据平台选择 appid
            appid_map = {
                "netease": "wx8dd6ecd81906fd84",
                "qq": "wx45116b30f23e0cc4",
                "kuwo": "wxc305711a2a7ad71c"
            }
            appid = appid_map.get(platform, "wx8dd6ecd81906fd84")

            # 构造音乐卡片 XML
            xml = f"""<appmsg appid="{appid}" sdkver="0">
<title>{name}</title>
<des>{artist}</des>
<action>view</action>
<type>3</type>
<showtype>0</showtype>
<content/>
<url>{url}</url>
<dataurl>{url}</dataurl>
<lowurl>{url}</lowurl>
<lowdataurl>{url}</lowdataurl>
<recorditem/>
<thumburl>{pic}</thumburl>
<messageaction/>
<laninfo/>
<extinfo/>
<sourceusername/>
<sourcedisplayname/>
<songlyric>{lrc}</songlyric>
<commenturl/>
<appattach>
<totallen>0</totallen>
<attachid/>
<emoticonmd5/>
<fileext/>
<aeskey/>
</appattach>
<webviewshared>
<publisherId/>
<publisherReqId>0</publisherReqId>
</webviewshared>
<weappinfo>
<pagepath/>
<username/>
<appid/>
<appservicetype>0</appservicetype>
</weappinfo>
<websearch/>
<songalbumurl>{pic}</songalbumurl>
</appmsg>"""

            result = await bot._send_data_async(11214, {"to_wxid": to_wxid, "content": xml})

            if result:
                logger.success(f"已发送音乐卡片: {name} - {artist}")
            else:
                # 发送失败，尝试重试
                if retry > 0:
                    logger.warning(f"发送失败，{retry}秒后重试: {name}")
                    import asyncio
                    await asyncio.sleep(1)
                    await self.send_music_card(bot, to_wxid, song, retry - 1)
                else:
                    logger.error(f"发送音乐卡片失败（已重试）: {name} - {artist}")

        except Exception as e:
            logger.error(f"发送音乐卡片异常: {e}")

    @on_text_message(priority=60)
    async def handle_music_command(self, bot: WechatHookClient, message: dict):
        """处理点歌指令"""
        content = message.get("Content", "").strip()
        from_wxid = message.get("FromWxid", "")

        # 精确匹配 "点歌 " 开头
        if not content.startswith("点歌 "):
            return True

        # 提取歌曲名和参数
        parts = content[3:].strip().split()
        if not parts:
            await bot.send_text(from_wxid, "❌ 请输入歌曲名\n格式：点歌 歌曲名 [3]")
            return False

        # 检查是否要发送全部平台
        send_all = len(parts) > 1 and parts[-1] == "3"
        keyword = " ".join(parts[:-1]) if send_all else " ".join(parts)

        logger.info(f"点歌: {keyword}, 发送全部: {send_all}")

        # 从三个平台搜索歌曲
        songs = await self.search_music(keyword)
        if not songs:
            await bot.send_text(from_wxid, f"❌ 未找到歌曲：{keyword}")
            return False

        # 根据参数决定发送哪些
        if send_all:
            # 发送所有平台（添加延迟避免限流）
            import asyncio
            for i, song in enumerate(songs):
                await self.send_music_card(bot, from_wxid, song)
                if i < len(songs) - 1:
                    await asyncio.sleep(2)
        else:
            # 只发送 QQ 音乐
            qq_song = next((s for s in songs if s.get("platform") == "qq"), None)
            if qq_song:
                await self.send_music_card(bot, from_wxid, qq_song)
            else:
                # 如果没有 QQ 音乐，发送第一个
                await self.send_music_card(bot, from_wxid, songs[0])

        logger.success(f"已发送歌曲")
        return False

    def get_llm_tools(self) -> List[dict]:
        """返回 LLM 工具定义"""
        return [
            {
                "type": "function",
                "function": {
                    "name": "search_music",
                    "description": "搜索并播放音乐。当用户想听歌、点歌、播放音乐时调用此函数。",
                    "parameters": {
                        "type": "object",
                        "properties": {
                            "keyword": {
                                "type": "string",
                                "description": "歌曲名称或关键词，例如：告白气球、周杰伦 晴天"
                            }
                        },
                        "required": ["keyword"]
                    }
                }
            }
        ]

    async def execute_llm_tool(self, tool_name: str, arguments: dict, bot, from_wxid: str) -> dict:
        """执行 LLM 工具调用"""
        try:
            if tool_name != "search_music":
                return None

            keyword = arguments.get("keyword")
            if not keyword:
                return {"success": False, "message": "缺少歌曲名称参数"}

            logger.info(f"AI 调用点歌: {keyword}")
            await bot.send_text(from_wxid, f"🔍 正在搜索：{keyword}")

            # 从三个平台搜索歌曲
            songs = await self.search_music(keyword)
            if not songs:
                await bot.send_text(from_wxid, f"❌ 未找到歌曲：{keyword}")
                return {"success": False, "message": f"未找到歌曲：{keyword}"}

            # 发送所有找到的音乐卡片（添加延迟避免限流）
            import asyncio
            for i, song in enumerate(songs):
                await self.send_music_card(bot, from_wxid, song)
                if i < len(songs) - 1:  # 最后一个不需要延迟
                    await asyncio.sleep(2)  # 每条消息间隔2秒

            return {"success": True, "message": f"已找到 {len(songs)} 首歌曲"}

        except Exception as e:
            logger.error(f"LLM 工具执行失败: {e}")
            return {"success": False, "message": f"执行失败: {str(e)}"}