from flask import Blueprint, render_template, jsonify, request, current_app
from .auth import login_required
from loguru import logger
import xml.etree.ElementTree as ET
from datetime import datetime
from utils.message_formatter import format_quote_message

# 创建消息管理蓝图
messages_bp = Blueprint('messages', __name__)
logger = logger


def _is_emoji_message(msg: dict) -> bool:
    message_type = str(msg.get('message_type', ''))
    content = msg.get('content') or ''
    xml_markers = ('<emoji', '<emoticonmd5>', '<msg><emoji', '<gameext')
    return message_type in {'47', '1048625', '1090519089'} or any(marker in content for marker in xml_markers)


# 消息列表页面
@messages_bp.route('/messages')
@login_required
def message_list_page():
    """消息列表页面"""
    return render_template('message_list.html')


# API路由
@messages_bp.route('/api/messages', methods=['GET'])
@login_required
def get_messages():
    """获取消息列表API"""
    try:
        server = current_app.dashboard_server
        # 获取查询参数
        group_id = request.args.get('group_id')
        start_date = request.args.get('start_date', datetime.now().strftime('%Y-%m-%d'))
        end_date = request.args.get('end_date', datetime.now().strftime('%Y-%m-%d'))
        search_text = request.args.get('search_text')
        page = int(request.args.get('page', 1))
        page_size = int(request.args.get('page_size', 20))

        # 调用数据库方法获取消息
        result = server.message_storage.get_messages_by_filter(
            group_id=group_id,
            start_date=start_date,
            end_date=end_date,
            search_text=search_text,
            page=page,
            page_size=page_size
        )

        # 处理消息数据，添加群组名称和发送者昵称，并格式化引用消息
        for msg in result['messages']:
            # 获取群组名称
            msg['group_name'] = server.contact_manager.get_nickname(msg['group_id']) or msg['group_id']

            # 获取发送者昵称
            msg['sender_name'] = server.contact_manager.get_group_name(msg['group_id'], msg['sender']) or msg['sender']

            if _is_emoji_message(msg):
                msg['content'] = '[表情]'
                continue

            # 处理消息内容，格式化引用消息
            if msg['message_type'] == "49" and msg['content']:  # 应用消息类型
                try:
                    # 检查是否为引用消息
                    if '<refermsg>' in msg['content']:
                        # 使用格式化工具处理引用消息
                        msg['content'] = format_quote_message(msg['content'])
                    else:
                        # 其他类型的应用消息，解析 XML 提取标题
                        root = ET.fromstring(msg['content'])
                        title_elem = root.find('.//title')
                        if title_elem is not None:
                            msg['content'] = title_elem.text
                except Exception as e:
                    logger.error(f"解析消息类型49出错: {e}")

        return jsonify(result)
    except Exception as e:
        logger.error(f"获取消息列表失败: {e}")
        return jsonify({'error': str(e)}), 500


@messages_bp.route('/api/groups', methods=['GET'])
@login_required
def get_groups():
    """获取群组列表API"""
    try:
        server = current_app.dashboard_server
        # 获取机器人管理的群组列表
        groups = []
        for group_id in server.contact_manager.get_contacts():
            if '@chatroom' in group_id:
                groups.append({
                    'group_id': group_id,
                    'group_name': server.contact_manager.get_nickname(group_id) or group_id
                })

        return jsonify({'groups': groups})
    except Exception as e:
        logger.error(f"获取群组列表失败: {e}")
        return jsonify({'error': str(e)}), 500


@messages_bp.route('/api/hourly_message_trend', methods=['GET'])
@login_required
def get_hourly_message_trend():
    """获取按小时聊天趋势数据API"""
    try:
        server = current_app.dashboard_server
        # 获取查询参数
        group_id = request.args.get('group_id')
        days = int(request.args.get('days', 1))

        # 调用数据库方法获取按小时消息趋势数据
        trend_data = server.message_storage.get_hourly_message_trend(group_id=group_id, days=days)

        # 格式化数据为前端需要的格式
        hours = []
        counts = []
        for item in trend_data:
            hours.append(item['hour_slot'])
            counts.append(item['message_count'])

        # 获取群组名称
        group_name = server.contact_manager.get_nickname(group_id) if group_id else "所有群组"

        return jsonify({
            'success': True,
            'data': {
                'hours': hours,
                'counts': counts,
                'group_name': group_name
            }
        })
    except Exception as e:
        logger.error(f"获取按小时聊天趋势数据失败: {e}")
        return jsonify({'success': False, 'error': str(e)}), 500