# payfee
from appPublic.log import debug, exception
from ahserver.serverenv import ServerEnv
from sqlor.dbpools import DBPools

async def get_pay_fee(providerid, amount):
	db = DBPools()
	env = ServerEnv()
	dbname = env.get_module_dbname('unipay')
	async with db.sqlorContext(dbname) as sor:
		return await sor_get_pay_fee(sor, providerid, amount)
	return None

async def get_paychannels():
	env = ServerEnv()
	db = DBPools()
	dbname = env.get_module_dbname('unipay')
	async with db.sqlorContext(dbname) as sor:
		return await sor_get_paychannels(sor)
	return None

async def sor_get_paychannels(sor):
	env = ServerEnv()
	dbname = env.get_module_dbname('unipay')
	biz_date = await env.get_business_date(sor)
	sql = """select
a.id, a.name, b.fee_rate
from paychannel a left join payfee b
	on a.id = b.channelid
where 
	a.enabled_date <= ${biz_date}$
	and a.expired_date >= ${biz_date}$
	and b.enabled_date <= ${biz_date}$
	and b.expired_date >= ${biz_date}$
"""
	recs = await sor.sqlExe(sql, {'channelid': channelid,
						'biz_date': biz_date})
	return recs

async def get_pay_feerate(sor, channelid):
	env = ServerEnv()
	db = DBPools()
	dbname = env.get_module_dbname('unipay')
	async with db.sqlorContext(dbname) as sor:
		return await sor_get_pay_feerate(sor, channelid)
	return None

async def sor_get_pay_feerate(sor, channelid):
	env = ServerEnv()
	dbname = env.get_module_dbname('unipay')
	biz_date = await env.get_business_date(sor)
	sql = """select
a.id, a.name, b.fee_rate
from paychannel a left join payfee b
	on a.id = b.channelid
where 
	a.enabled_date <= ${biz_date}$
	and a.expired_date >= ${biz_date}$
	and b.enabled_date <= ${biz_date}$
	and b.expired_date >= ${biz_date}$
	and a.id = ${channelid}$
"""
	ns = {
		'channelid': channelid,
		'biz_date': biz_date
	}
	recs = await sor.sqlExe(sql, ns.copy())
	debug(f'{recs=},{ns=}, {sql=}')
	if len(recs) > 0:
		return recs[0]
	return None

async def sor_get_pay_fee(sor, providerid, amount):
	rec = await sor_get_pay_feerate(sor, providerid)
	if rec is None:
		e = Exception(f'{providerid} pay channel not found')
		exception(f'Exception:{e}')
		raise e
	if rec.fee_rate is None:
		e = Exception(f'{providerid} channel has not defined fee rate')
		exception(f'Exception:{e}')
		rec.fee_rate = 0.00
	debug(f'{rec=}, {rec.fee_rate=}, {amount=}')
	return rec.fee_rate * amount