from flask import Flask, request, jsonify
from flask_cors import CORS
import random
import datetime

app = Flask(__name__)
CORS(app)

# 模拟数据
cache_configs = [
    {
        "id": "1",
        "moduleName": "用户管理",
        "cacheKeyPrefix": "user:",
        "expirationTime": 3600,
        "updateStrategy": "实时",
        "owner": "张三",
        "updateTime": "2024-01-15 10:30:00"
    },
    {
        "id": "2", 
        "moduleName": "商品管理",
        "cacheKeyPrefix": "product:",
        "expirationTime": 7200,
        "updateStrategy": "定时",
        "owner": "李四",
        "updateTime": "2024-01-14 15:20:00"
    },
    {
        "id": "3",
        "moduleName": "订单管理", 
        "cacheKeyPrefix": "order:",
        "expirationTime": 1800,
        "updateStrategy": "实时",
        "owner": "王五",
        "updateTime": "2024-01-13 09:15:00"
    },
    {
        "id": "4",
        "moduleName": "库存管理",
        "cacheKeyPrefix": "inventory:",
        "expirationTime": 600,
        "updateStrategy": "实时", 
        "owner": "赵六",
        "updateTime": "2024-01-12 14:45:00"
    },
    {
        "id": "5",
        "moduleName": "支付管理",
        "cacheKeyPrefix": "payment:",
        "expirationTime": 300,
        "updateStrategy": "定时",
        "owner": "钱七",
        "updateTime": "2024-01-11 11:30:00"
    }
]

@app.route('/api/cache/config/list', methods=['GET'])
def get_cache_config_list():
    module_id = request.args.get('moduleId', '')
    page_size = int(request.args.get('pageSize', 20))
    page_num = int(request.args.get('pageNum', 1))
    
    # 过滤数据
    filtered_data = cache_configs
    if module_id:
        filtered_data = [config for config in cache_configs if module_id.lower() in config['moduleName'].lower()]
    
    # 分页
    total = len(filtered_data)
    start_index = (page_num - 1) * page_size
    end_index = start_index + page_size
    page_data = filtered_data[start_index:end_index]
    
    return jsonify({
        "code": 200,
        "message": "success",
        "data": {
            "list": page_data,
            "total": total,
            "pageSize": page_size,
            "pageNum": page_num
        }
    })

@app.route('/api/cache/config/detail', methods=['GET'])
def get_cache_config_detail():
    config_id = request.args.get('id')
    
    config = next((c for c in cache_configs if c['id'] == config_id), None)
    
    if config:
        return jsonify({
            "code": 200,
            "message": "success",
            "data": config
        })
    else:
        return jsonify({
            "code": 404,
            "message": "配置不存在"
        })

@app.route('/api/cache/config/save', methods=['POST'])
def save_cache_config():
    data = request.get_json()
    
    if data.get('id'):
        # 更新
        for i, config in enumerate(cache_configs):
            if config['id'] == data['id']:
                cache_configs[i].update({
                    "moduleName": data['moduleName'],
                    "cacheKeyPrefix": data['cacheKeyPrefix'], 
                    "expirationTime": data['expirationTime'],
                    "updateStrategy": data['updateStrategy'],
                    "owner": data['owner'],
                    "updateTime": datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
                })
                break
    else:
        # 新增
        new_config = {
            "id": str(len(cache_configs) + 1),
            "moduleName": data['moduleName'],
            "cacheKeyPrefix": data['cacheKeyPrefix'],
            "expirationTime": data['expirationTime'], 
            "updateStrategy": data['updateStrategy'],
            "owner": data['owner'],
            "updateTime": datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
        }
        cache_configs.append(new_config)
    
    return jsonify({
        "code": 200,
        "message": "保存成功"
    })

@app.route('/api/cache/config/delete', methods=['POST'])
def delete_cache_config():
    data = request.get_json()
    config_id = data.get('id')
    
    global cache_configs
    cache_configs = [config for config in cache_configs if config['id'] != config_id]
    
    return jsonify({
        "code": 200,
        "message": "删除成功"
    })

if __name__ == '__main__':
    app.run(debug=True, host='0.0.0.0', port=5000)