import json
from time import time
from traceback import format_exc
from functools import partial
from sqlor.dbpools import DBPools
from appPublic.streamhttpclient import StreamHttpClient, liner
from appPublic.dictObject import DictObject
from appPublic.log import debug, exception, error
from appPublic.aes import aes_encode_b64
from ahserver.globalEnv import password_decode
from ahserver.serverenv import get_serverenv, ServerEnv
from random import randint

class UpAppApi:
	def __init__(self, request=None):
		if request:
			self.env = request._run_ns.copy()
			self.env.request = request
		else:
			self.env = ServerEnv().copy()
		self.uapi_data = self.env.uapi_data
		self.auth_api = None
		self.auth_ret = None
	
	async def rendertmpl(self, tmplstr, params={}):
		if tmplstr is None:
			return None
		ns = self.env.copy()
		ns.update(params)
		te = self.env.tmpl_engine
		try:
			ret = await te.renders(tmplstr, ns)
			return ret
		except Exception as e:
			e = Exception(f'{e}:{tmplstr=}, {params=}')
			exception(f'{e}')
			raise e

	async def get_uapis(self, upappid, apiname, callerid, params={}):
		self.env.update(params)
		uapi = None
		auth_uapi = None
		uapi = await self.uapi_data.get_api(upappid, apiname)
		# uapi = await sor_get_uapi(sor, upappid, apiname)
		if uapi is None:
			e = Exception(f'UAPI not found:{upappid=}, {apiname=}')
			exception(f'{e}\n{format_exc()}')
			raise e
		if uapi.auth_apiname:
			auth_uapi = await self.uapi_data.get_api(upappid, uapi.auth_apiname)
		self.uapi = uapi
		self.auth_uapi = auth_uapi
		kinfo = await self.uapi_data.get_userapikey(upappid, callerid)
		self.env.update(kinfo)
		return auth_uapi, uapi

	async def __call__(self, upappid, apiname, callerid, params={}):
		"""
		"""
		auth_uapi = uapi = None
		auth_uapi, uapi = await self.get_uapis(upappid, apiname,
								callerid, params=params)
			
		if uapi is None:
			return
		if auth_uapi:
			await self.do_auth(auth_uapi)
		async for chunk in self.stream_resp(uapi):
				yield chunk

	def filter_nl_cr(self, s):
		s = ''.join(s.split('\n'))
		s = ''.join(s.split('\r'))
		return s

	async def stream_linify(self, upappid, apiname, callerid, params={}):
		gen = liner(self.__call__(upappid, apiname, callerid, params=params))
		async for line in gen:
			debug(f'{line=},{type(line)=}')
			respline = line
			line = line.decode('utf-8')
			filter = self.uapi.chunk_match
			if not filter:
				filter = ''
			if line.startswith(filter):
				line = line[len(filter):]
				if self.uapi.response:
					try:
						dic = json.loads(line)
						line = await self.rendertmpl(self.uapi.response, dic)
						line = self.filter_nl_cr(line)
					except Exception as e:
						debug(f'{respline=}, {line=}, {self.uapi.response=} error({e})\n{format_exc()}')
						continue
				if len(line):
					yield f'{line}\n'
			else:
				debug(f'invalid line:{line}')

	async def call(self, upappid, apiname, callerid, params={}):
		b = b''
		async for chunk in self.__call__(upappid, apiname, callerid, params=params):
			b += chunk
		if self.uapi.response:
			try:
				dic = json.loads(b.decode('utf-8'))
				s = await self.rendertmpl(self.uapi.response, dic)
				b = s.encode('utf-8')
			except Exception as e:
				debug(f'http.response={b}, response_template={self.uapi.response}, error={e}')
		return b

	async def do_auth(self, auth_uapi):
		b = b''
		async for chunk in self.stream_resp(auth_uapi):
			b+= chunk
		d = json.loads(b.encode('utf-8'))
		if auth_uapi.response:
			s = await self.rendertmpl(auth_uapi.response, d)
			d = json.loads(s)
		self.env.update(d)
		return
	
	async def stream_resp(self, api):
		path = await self.rendertmpl(api.path)
		url = ''
		if path.startswith('https://') or path.startswith('http://'):
			url = path
		else:
			url = self.env.get('baseurl') + path
		method = api.httpmethod
		headers = await self.rendertmpl(api.headers)
		try:
			headers = json.loads(headers)
		except Exception as e:
			exception(f'{e}, {headers=},{api.headers=}')
			raise e
		body = await self.rendertmpl(api.data)
		if body:
			try:
				bdy = json.loads(body)
				body = json.dumps(bdy, ensure_ascii=False)
			except Exception as e:
				exception(f'{e}, {body=},{api.data=}')
				body = None
		_params = await self.rendertmpl(api.params)
		if _params:
			_params = json.loads(_params)
		debug(f'{headers=}, {body=}. {method=}, {url=}')
		if self.env.dynamic_func_name:
			f = RegisterFunction()
			opts = {
				'apikey': self.env.apikey,
				'secretkey': self.env.secretkey,
				'method':method,
				'path':path,
				'headers': headers,
				'params':params,
				'body':body
			}
			await f.exe(self.env.dynamic_func, opts)
		shc = StreamHttpClient()
		gen = shc(method, url, 
						headers=headers,
						data=body,
						params=_params)
		async for chunk in gen:
			yield chunk

if __name__ == '__main__':
	print('test')