# mysql数据库常用任务函数封装
import pymysql, socket, time
import config

#公共连接库
def pymysqlAlias():
    return pymysql.connect(
            host=config.mysql_dong['host'],
            port=config.mysql_dong['port'],
            user=config.mysql_dong['user'],
            password=config.mysql_dong['password'],
            db=config.mysql_dong['db'],
            charset=config.mysql_dong['charset'],)


# 获取新的任务
def get_task_by_level():
    try:
        with pymysqlAlias() as conn:
            cursor = conn.cursor()
            sql = f'select pid from pid_base_fix where status = 0 order by level desc, id asc limit 1'
            # print(f'sql: {sql}')
            cursor.execute(sql)
            data = cursor.fetchone()
            if data:
                return data[0]
            else:
                return ''
    except Exception as e:
        print(f"{time.strftime('%Y-%m-%d %H:%M:%S', time.localtime())} get_task_by_level()异常: {str(e)}")
        return ''


# 开始任务
def update_fix_status(pid,status):
    try:
        with pymysqlAlias() as conn:
            cursor = conn.cursor()

            hostname = socket.gethostname()
            sql = f'update pid_base_fix set status = {status},createTime = now(), updateTime = now() where status = 0 and pid = {pid}'
            print(f'开始任务sql: {sql}')
            cursor.execute(sql)
            conn.commit()
    except Exception as e:
        print(f"{time.strftime('%Y-%m-%d %H:%M:%S', time.localtime())} 执行update_fix_status()异常: {str(e)}")


# # 获取新的任务
# def get_task(task_type):
#     try:
#         with pymysqlAlias() as conn:
#             cursor = conn.cursor()
#             sql = f'select task_key from tasks where status = 0 order by priority desc, id asc limit 1 for update'
#             # print(f'sql: {sql}')
#             cursor.execute(sql)
#             data = cursor.fetchone()
#             if data:
#                 return data[0]
#             else:
#                 return ''
#     except Exception as e:
#         print(f"{time.strftime('%Y-%m-%d %H:%M:%S', time.localtime())} 执行get_task({task_type})异常: {str(e)}")
#         return ''

# # 新增新的任务
# def add_task(data):
#     try:
#         with pymysqlAlias() as conn:
#             cursor = conn.cursor() 

#             #判断是否是昆山教学的,是的话优先级设置为默认
#             if data["psid"] == '85':
#                 sql = f'insert into tasks (task_type, task_key,studio_id) values ("{data["task_type"]}", "{data["task_key"]}","{data["psid"]}")'
#             else:
#                 sql = f'insert into tasks (task_type, task_key, priority,studio_id) values ("{data["task_type"]}", "{data["task_key"]}", {data["priority"]},"{data["psid"]}")'
#             # print(f'sql: {sql}')
#             cursor.execute(sql)
#             conn.commit()
#     except Exception as e:
#         print(f"{time.strftime('%Y-%m-%d %H:%M:%S', time.localtime())} 执行add_task({data})异常: {str(e)}")
        
# #新增任务到分布式处理任务表中 {"task_type":key,"task_key":pid,"psid":psid}
# def add_task_distributed(data):
#     flag = isInTaskDistributed(data["task_key"])
#     if flag:
#         return "already"
#     try:
#         with pymysqlAlias() as conn:
#             cursor = conn.cursor() 
#             sql = f'insert into task_distributed (task_type, task_key, priority,created_at,studio_id) values ("{data["task_type"]}", "{data["task_key"]}", "{data["priority"]}","{time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())}","{data["psid"]}")'
#             cursor.execute(sql)
#             conn.commit()
#     except Exception as e:
#         print(f"{time.strftime('%Y-%m-%d %H:%M:%S', time.localtime())} 执行add_task_distributed({data})异常: {str(e)}")
        
        
# # 开始任务
# def start_task(data):
#     try:
#         with pymysqlAlias() as conn:
#             cursor = conn.cursor()

#             hostname = socket.gethostname()
#             sql = f'update tasks set status = 1, hostname = "{hostname}", started_at = now(), updated_at = now() where status = 0 and task_key = {data["task_key"]}'
#             print(f'开始任务sql: {sql}')
#             cursor.execute(sql)
#             conn.commit()
#     except Exception as e:
#         print(f"{time.strftime('%Y-%m-%d %H:%M:%S', time.localtime())} 执行start_task({data})异常: {str(e)}")

# # 完成任务
# def finish_task(data):
#     try:
#         with pymysqlAlias() as conn:
#             cursor = conn.cursor()

#             hostname = socket.gethostname()
#             sql = f'update tasks set status = 2, hostname = "{hostname}", finished_at = now(), updated_at = now() where status = 1 and task_key = "{data["task_key"]}" '
#             # print(f'sql: {sql}')
#             cursor.execute(sql)
#             conn.commit()
#     except Exception as e:
#         print(f"{time.strftime('%Y-%m-%d %H:%M:%S', time.localtime())} 执行finish_task({data})异常: {str(e)}")

# # 根据影棚ID 获取影棚的配置,如果没有指定的配置,则返回默认配置
# def get_floor_sticker_distances(psid):
#     try:
#         with pymysqlAlias() as conn:
#             cursor = conn.cursor()
#             sql = f'select a.studio_id,value from floor_sticker_link_studio as a left join floor_sticker_distances as b on a.floor_name = b.name where a.studio_id in (0,{psid})'

#             cursor.execute(sql)
#             result = cursor.fetchall()

#             if len(result) == 1:
#                 return result[0][1]
            
#             if len(result) == 2:
#                 for item in result:
#                     if str(item[0]) == str(psid):
#                         return item[1]
#             return "error-配置异常,该影棚有多个地贴配置"
#     except Exception as e:
#         print(f"{time.strftime('%Y-%m-%d %H:%M:%S', time.localtime())} 执行get_floor_sticker_distances()异常: {str(e)}")
#         return "error"
    
# #判断是否要走新的建模系统
# def is_new_make_psid(psid):
#     try:
#         with pymysqlAlias() as conn:
#             cursor = conn.cursor()
#             sql = f'select count(*) from new_make_psid where studio_id = {psid}'
#             print(f'sql: {sql}')
#             cursor.execute(sql)
#             result = cursor.fetchone()
#             if result[0] > 0:
#                 return True
#             else:
#                 return False
#     except Exception as e:
#         print(f"{time.strftime('%Y-%m-%d %H:%M:%S', time.localtime())} 执行is_new_make_psid()异常: {str(e)}")
#         return "error"

# #判断影棚是否走的新的建模系统,不是的话修改成走新的建模系统
# def change_to_new_make_psid(psid):
#     try:
#         with pymysqlAlias() as conn:
#             cursor = conn.cursor()
#             sql = f'select count(*) from new_make_psid where studio_id = {psid}'
#             cursor.execute(sql)
#             result = cursor.fetchone()
#             if result[0] == 0:
#                 sql = f'insert into new_make_psid (studio_id,createTime) values ({psid},now())'
#                 cursor.execute(sql)
#                 conn.commit()
#                 print(f'修改影棚{psid}为走新的建模系统')
#     except Exception as e:
#         print(f"{time.strftime('%Y-%m-%d %H:%M:%S', time.localtime())} 执行change_to_new_make_psid()异常: {str(e)}")
#         return "error"


# #判断影棚走分布式的建模系统 还是走原来的建模系统
# def isStudioConfigDistribute(psid):
#     try:
#         with pymysqlAlias() as conn:
#             cursor = conn.cursor()
#             sql = f'select count(*) from studio_config_distribute where studio_id = {psid} and status = 1'
#             cursor.execute(sql)
#             result = cursor.fetchone()
#             if result[0] == 0:
#                 return False
#             else:
#                 return True
#     except Exception as e:
#         print(f"{time.strftime('%Y-%m-%d %H:%M:%S', time.localtime())} 执行change_to_new_make_psid()异常: {str(e)}")
#         return "error"

# #判断是否已经存在了
# def isInTaskDistributed(task_key):
#     try:
#         with pymysqlAlias() as conn:
#             cursor = conn.cursor()
#             sql = f'select count(*) from task_distributed where status = 0 and task_key = "{task_key}"'
#             cursor.execute(sql)
#             result = cursor.fetchone()
#             if result[0] == 0:
#                 return False
#             else:
#                 return True
#     except Exception as e:
#         print(f"{time.strftime('%Y-%m-%d %H:%M:%S', time.localtime())} 执行isInTaskDistributed()异常: {str(e)}")
#         return "error"