from flask import Flask, jsonify, request, render_template, send_from_directory
from flask_cors import CORS
import json
import os
import time
import uuid
import socket
from werkzeug.utils import secure_filename
from application.kodi_alive_thread import start_kodi_alive_check
from application.kodi_free_time_thread import start_kodi_free_time_play
from application.wled_thread import start_exhibit_led_effect, stop_led_effect, is_effect_running
from application.kodi_thread import start_kodi_play, stop_kodi_play, is_kodi_thread_running, play_image, play_rtsp, revoke_individual_state, start_all_kodi_apps
from utils.logger_config import logger


app = Flask(__name__)
CORS(app)  # 允许跨域请求

# 配置上传文件夹
UPLOAD_FOLDER = 'uploads'
ALLOWED_EXTENSIONS = {'png', 'jpg', 'jpeg', 'gif', 'bmp', 'webp'}
app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER
app.config['MAX_CONTENT_LENGTH'] = 16 * 1024 * 1024  # 限制上传文件大小为16MB

# 确保上传文件夹存在
if not os.path.exists(UPLOAD_FOLDER):
    os.makedirs(UPLOAD_FOLDER)

def allowed_file(filename):
    """检查文件扩展名是否允许"""
    return '.' in filename and \
           filename.rsplit('.', 1)[1].lower() in ALLOWED_EXTENSIONS

def get_server_ip():
    """获取服务器的本地IP地址"""
    try:
        # 连接到一个远程地址（不会实际发送数据）
        s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
        s.connect(("8.8.8.8", 80))
        ip = s.getsockname()[0]
        s.close()
        return ip
    except Exception:
        # 如果获取失败，尝试其他方法
        try:
            hostname = socket.gethostname()
            ip = socket.gethostbyname(hostname)
            return ip
        except Exception:
            return "127.0.0.1"  # 回退到localhost


@app.route('/')
def index():
    """返回HTML页面"""
    return render_template('index.html')


@app.route('/api/led/status', methods=['GET'])
def get_led_status():
    """获取LED状态"""
    try:
        is_running = is_effect_running()
        return jsonify({
            "success": True,
            "data": {
                "is_running": is_running,
                "message": "灯效正在运行" if is_running else "灯效已停止"
            }
        })
    except Exception as e:
        return jsonify({
            "success": False,
            "message": f"获取状态失败: {str(e)}"
        }), 500


@app.route('/api/led/start', methods=['POST'])
def start_led_effect():
    """启动展品LED灯效控制"""
    try:
        data = request.get_json()
        if not data or 'exhibit_id' not in data:
            return jsonify({
                "success": False,
                "message": "缺少展品ID参数"
            }), 400
        
        exhibit_id = data['exhibit_id']
        if not isinstance(exhibit_id, int) or exhibit_id < 0:
            return jsonify({
                "success": False,
                "message": "展品ID必须是大于等于0的整数"
            }), 400
        
        success = start_exhibit_led_effect(exhibit_id)
        if success:
            return jsonify({
                "success": True,
                "message": f"展品 {exhibit_id} 的灯效已启动",
                "data": {
                    "exhibit_id": exhibit_id,
                    "is_running": True
                }
            })
        else:
            return jsonify({
                "success": False,
                "message": f"启动展品 {exhibit_id} 的灯效失败"
            }), 500
            
    except Exception as e:
        return jsonify({
            "success": False,
            "message": f"启动灯效失败: {str(e)}"
        }), 500


@app.route('/api/led/stop', methods=['POST'])
def stop_led_effect_api():
    """停止当前LED灯效"""
    try:
        success = stop_led_effect()
        if success:
            return jsonify({
                "success": True,
                "message": "灯效已停止",
                "data": {
                    "is_running": False
                }
            })
        else:
            return jsonify({
                "success": False,
                "message": "停止灯效失败"
            }), 500
            
    except Exception as e:
        return jsonify({
            "success": False,
            "message": f"停止灯效失败: {str(e)}"
        }), 500


# ===== Kodi 播放控制接口 =====
@app.route('/api/kodi/status', methods=['GET'])
def get_kodi_status():
    try:
        running = is_kodi_thread_running()
        return jsonify({
            "success": True,
            "data": {
                "is_running": running,
                "message": "Kodi播放线程运行中" if running else "Kodi播放线程已停止"
            }
        })
    except Exception as e:
        return jsonify({
            "success": False,
            "message": f"获取Kodi状态失败: {str(e)}"
        }), 500


@app.route('/api/kodi/start', methods=['POST'])
def start_kodi_play_api():
    try:
        data = request.get_json()
        if not data or 'video_id' not in data:
            return jsonify({
                "success": False,
                "message": "缺少视频ID参数"
            }), 400
        video_id = data['video_id']
        if not isinstance(video_id, int) or video_id < 0:
            return jsonify({
                "success": False,
                "message": "视频ID必须是大于等于0的整数"
            }), 400
        ok = start_kodi_play(video_id)
        if ok:
            return jsonify({
                "success": True,
                "message": f"Kodi开始/切换播放 视频ID={video_id}",
                "data": {"video_id": video_id}
            })
        return jsonify({
            "success": False,
            "message": f"Kodi播放启动失败（视频ID={video_id}）"
        }), 500
    except Exception as e:
        return jsonify({
            "success": False,
            "message": f"Kodi播放启动异常: {str(e)}"
        }), 500

# 指定某台kodi_client_index播放图片,这边要上传图片并且传递完整url给kodi播放
@app.route('/api/kodi/play_image', methods=['POST'])
def play_image_api():
    """播放图片接口，支持文件上传或直接传递图片URL"""
    try:
        # 检查是否有文件上传
        if 'file' in request.files:
            file = request.files['file']
            if file.filename == '':
                return jsonify({
                    "success": False,
                    "message": "未选择文件"
                }), 400
            
            if file and allowed_file(file.filename):
                # 获取原始文件扩展名
                original_filename = file.filename
                # 提取文件扩展名（不包含点号）
                if '.' in original_filename:
                    file_ext = original_filename.rsplit('.', 1)[1].lower()
                else:
                    # 如果没有扩展名，根据Content-Type推断或默认为jpg
                    content_type = file.content_type or ''
                    if 'png' in content_type:
                        file_ext = 'png'
                    elif 'jpeg' in content_type or 'jpg' in content_type:
                        file_ext = 'jpg'
                    elif 'gif' in content_type:
                        file_ext = 'gif'
                    else:
                        file_ext = 'jpg'  # 默认扩展名
                
                # 确保扩展名在允许列表中
                if file_ext not in ALLOWED_EXTENSIONS:
                    file_ext = 'jpg'
                
                # 生成唯一文件名：使用时间戳和UUID，确保文件名唯一且安全
                timestamp = int(time.time() * 1000)
                unique_id = str(uuid.uuid4())[:8]  # 使用UUID的前8位作为唯一标识
                filename = f"{timestamp}_{unique_id}.{file_ext}"
                
                filepath = os.path.join(app.config['UPLOAD_FOLDER'], filename)
                file.save(filepath)
                
                # 生成可访问的URL（使用服务器的实际IP地址，而不是localhost）
                # 如果request.host包含localhost或127.0.0.1，使用实际IP
                host = request.host
                if 'localhost' in host or '127.0.0.1' in host:
                    server_ip = get_server_ip()
                    port = request.environ.get('SERVER_PORT', '5000')
                    host = f"{server_ip}:{port}"
                
                image_url = f"http://{host}/uploads/{filename}"
                logger.info(f"图片已上传: {filepath}, URL: {image_url}, 原始文件名: {original_filename}")
            else:
                return jsonify({
                    "success": False,
                    "message": f"不支持的文件类型，允许的类型: {', '.join(ALLOWED_EXTENSIONS)}"
                }), 400
        elif request.is_json:
            # 检查是否有直接的图片URL
            data = request.get_json()
            if 'image_url' not in data:
                return jsonify({
                    "success": False,
                    "message": "缺少参数：需要 'file'（文件上传）或 'image_url'（图片URL）"
                }), 400
            image_url = data['image_url']
            if not image_url or not isinstance(image_url, str):
                return jsonify({
                    "success": False,
                    "message": "无效的图片URL"
                }), 400
        else:
            return jsonify({
                "success": False,
                "message": "缺少参数：需要 'file'（文件上传）或 'image_url'（图片URL）"
            }), 400
        
        # 获取客户端索引
        if 'kodi_client_index' in request.form:
            try:
                client_index = int(request.form['kodi_client_index'])
            except (ValueError, TypeError):
                return jsonify({
                    "success": False,
                    "message": "kodi_client_index 必须是整数"
                }), 400
        elif request.is_json and 'kodi_client_index' in request.get_json():
            client_index = request.get_json()['kodi_client_index']
        else:
            return jsonify({
                "success": False,
                "message": "缺少参数: kodi_client_index"
            }), 400
        
        if not isinstance(client_index, int) or client_index < 0:
            return jsonify({
                "success": False,
                "message": "kodi_client_index 必须是大于等于0的整数"
            }), 400
        
        # 调用播放函数
        success = play_image(image_url, client_index)
        if success:
            return jsonify({
                "success": True,
                "message": f"已在客户端 {client_index} 上启动图片播放",
                "data": {
                    "image_url": image_url,
                    "client_index": client_index
                }
            })
        else:
            return jsonify({
                "success": False,
                "message": f"在客户端 {client_index} 上启动图片播放失败"
            }), 500
            
    except Exception as e:
        logger.error(f"播放图片异常: {str(e)}")
        return jsonify({
            "success": False,
            "message": f"播放图片失败: {str(e)}"
        }), 500

# 指定某台kodi_client_index播放rtsp视频
@app.route('/api/kodi/play_rtsp', methods=['POST'])
def play_rtsp_api():
    """播放RTSP视频流接口"""
    try:
        data = request.get_json()
        if not data:
            return jsonify({
                "success": False,
                "message": "请求体不能为空"
            }), 400
        
        # 检查必需的参数
        if 'rtsp_url' not in data:
            return jsonify({
                "success": False,
                "message": "缺少参数: rtsp_url"
            }), 400
        
        if 'kodi_client_index' not in data:
            return jsonify({
                "success": False,
                "message": "缺少参数: kodi_client_index"
            }), 400
        
        rtsp_url = data['rtsp_url']
        client_index = data['kodi_client_index']
        volume = data.get('volume', 0)  # 可选参数，默认为0
        
        # 参数验证
        if not isinstance(rtsp_url, str) or not rtsp_url.strip():
            return jsonify({
                "success": False,
                "message": "rtsp_url 必须是有效的字符串"
            }), 400
        
        if not isinstance(client_index, int) or client_index < 0:
            return jsonify({
                "success": False,
                "message": "kodi_client_index 必须是大于等于0的整数"
            }), 400
        
        if not isinstance(volume, int) or volume < 0 or volume > 100:
            return jsonify({
                "success": False,
                "message": "volume 必须是 0-100 之间的整数"
            }), 400
        
        # 调用播放函数
        success = play_rtsp(rtsp_url, client_index, volume)
        if success:
            return jsonify({
                "success": True,
                "message": f"已在客户端 {client_index} 上启动RTSP播放",
                "data": {
                    "rtsp_url": rtsp_url,
                    "client_index": client_index,
                    "volume": volume
                }
            })
        else:
            return jsonify({
                "success": False,
                "message": f"在客户端 {client_index} 上启动RTSP播放失败"
            }), 500
            
    except Exception as e:
        logger.error(f"播放RTSP异常: {str(e)}")
        return jsonify({
            "success": False,
            "message": f"播放RTSP失败: {str(e)}"
        }), 500

@app.route('/api/kodi/revoke_individual_state', methods=['POST'])
def revoke_individual_state_api():
    """撤销所有客户端的独立状态接口"""
    try:
        success = revoke_individual_state()
        if success:
            return jsonify({
                "success": True,
                "message": "已撤销所有客户端的独立状态"
            })
        else:
            return jsonify({
                "success": False,
                "message": "撤销所有客户端的独立状态失败"
            }), 500
    except Exception as e:
        logger.error(f"撤销独立状态异常: {str(e)}")
        return jsonify({
            "success": False,
            "message": f"撤销独立状态失败: {str(e)}"
        }), 500

@app.route('/api/kodi/start_all_apps', methods=['POST'])
def start_all_kodi_apps_api():
    """启动所有kodi应用程序接口"""
    try:
        success = start_all_kodi_apps()
        if success:
            return jsonify({
                "success": True,
                "message": "已启动所有kodi应用程序"
            })
        else:
            return jsonify({
                "success": False,
                "message": "启动所有kodi应用程序失败"
            }), 500
    except Exception as e:
        logger.error(f"启动所有kodi应用程序异常: {str(e)}")
        return jsonify({
            "success": False,
            "message": f"启动所有kodi应用程序失败: {str(e)}"
        }), 500

# 提供上传文件的访问接口
@app.route('/uploads/<filename>')
def uploaded_file(filename):
    """提供上传文件的访问接口"""
    return send_from_directory(app.config['UPLOAD_FOLDER'], filename)



if __name__ == '__main__':
    # 创建templates目录
    import os
    if not os.path.exists('templates'):
        os.makedirs('templates')
    logger.info("启动Kodi心跳检测")
    start_kodi_alive_check()
    logger.info("启动Kodi空闲时间播放")
    start_kodi_free_time_play()
    logger.info("Flask API服务器启动中...")
    logger.info("访问 http://localhost:5050 查看HTML页面")
    logger.info("API端点:")
    logger.info("  GET  /api/led/status - 获取LED状态")
    logger.info("  POST /api/led/start - 启动展品灯效")
    logger.info("  POST /api/led/stop - 停止灯效")
    logger.info("  GET  /api/kodi/status - 获取Kodi状态")
    logger.info("  POST /api/kodi/start - 启动/切换Kodi播放")
    logger.info("  POST /api/kodi/play_image - 播放图片（支持上传或URL）")
    logger.info("  POST /api/kodi/play_rtsp - 播放RTSP视频流")
    logger.info("  POST /api/kodi/revoke_individual_state - 撤销所有客户端的独立状态")
    logger.info("  POST /api/kodi/start_all_apps - 启动所有kodi应用程序")
    
    app.run(debug=True, host='0.0.0.0', port=5050)