from db_server.base import import_db
from utils.log.import_data_log import log_print

db = import_db


def get_exec_data(run_count=1):
    run_count_datas = db.execute('select count(1) as count from executor_history where exec_status = 0')
    log_print(run_count_datas)
    running_count = int(run_count_datas[0]['count'])
    if running_count < run_count:
        run_datas = db.execute('select * from executor_history where exec_status = -1 limit 1')
        log_print(run_datas)
        if run_datas:
            return run_datas[0]
        else:
            log_print("没有可执行的任务")
    else:
        log_print("当前已达执行上限")

    return None


def begin_run(id, save_db=True):
    if save_db:
        db.execute(
            'update executor_history set exec_status = 0,begin_time=now() where id = %s', (id,))


def update_transfer_progress(id, number, process_count, now_count, save_db=True):
    number = round((now_count - 1) * 100 / process_count + number)
    log_print(f"{process_count}个任务，当前进度{now_count}, 当前比例:{number}")
    if save_db:
        db.execute('update executor_history set transfer_progress = %s where id = %s', (number, id))


def run_success(id, save_db=True):
    if save_db:
        db.execute('update executor_history set exec_status = 1,end_time=now()  where id = %s', (id,))


def run_fail(id, error, save_db=True):
    if save_db:
        error = str(error)[0:200 if len(error) > 200 else len(error)]
        db.execute('update executor_history set exec_status = 2,err_info = %s,end_time=now()  where id = %s',
                   (error, id))


def get_exec_group(id):
    return db.execute("select * from process_group where id = %s", (id,))


def get_mapping_field(process_executor_id):
    return db.execute("""
        SELECT
            t.standardized_name,
            t.data_name,
            a.is_cut_col,
            a.is_index 
        FROM
            mapping_field t
            INNER JOIN base_template_field a ON t.template_filed_id = a.id 
        WHERE
            t.process_executor_id = %s
    """, (process_executor_id,))


if __name__ == '__main__':
    get_exec_data(2)