import logging
from typing import List

import pytest
import requests
import time
from json import JSONDecodeError
from decimal import Decimal
from os import environ
import tests


class NetworkApi(object):
    def __init__(self):
        self.network_url = 'http://api-goerli.etherscan.io/api?'
        self.headers = {
        'User-Agent':"Mozilla\\5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit\\537.36 (KHTML, like Gecko) Chrome\\7"
                     "7.0.3865.90 Safari\\537.36", }
        self.chat_bot_url = 'http://offsite.chat:8099'
        self.api_key = environ.get('ETHERSCAN_API_KEY')

    def log(self, text: str):
        tests.test_suite_data.current_test.testruns[-1].steps.append(text)
        logging.info(text)

    def send_etherscan_request(self, method, extracted_param: str):
        for attempt in range(3):
            try:
                response = requests.request('GET', url=method, headers=self.headers).json()
                if response:
                    return response[extracted_param]
            except TypeError as e:
                self.log("Check response from etherscan API. Returned values do not match expected. %s" % str(e))
            except JSONDecodeError as e:
                self.log("No valid JSON response from Etherscan: %s " % str(e))
                pass
            time.sleep(30)

    def get_token_transactions(self, address: str) -> List[dict]:
        method = self.network_url + 'module=account&action=tokentx&address=0x%s&sort=desc&apikey=%s' % (
        address, self.api_key)
        return self.send_etherscan_request(method, 'result')

    def get_transactions(self, address: str) -> List[dict]:
        method = self.network_url + 'module=account&action=txlist&address=0x%s&sort=desc&apikey=%s' % (address, self.api_key)
        return self.send_etherscan_request(method, 'result')

    def is_transaction_successful(self, transaction_hash: str) -> int:
        method = self.network_url + 'module=transaction&action=getstatus&txhash=%s' % transaction_hash
        return not int(requests.request('GET', url=method, headers=self.headers).json()['result']['isError'])

    def get_balance(self, address):
        address = '0x' + address
        method = self.network_url + 'module=account&action=balance&address=%s&tag=latest&apikey=%s' % (
        address, self.api_key)
        balance = self.send_etherscan_request(method, 'result')
        if balance:
            self.log('Balance is %s Gwei' % balance)
            return int(balance)
        else:
            self.log('Cannot extract balance!')

    def get_latest_block_number(self) -> int:
        method = self.network_url + 'module=proxy&action=eth_blockNumber'
        return int(requests.request('GET', url=method).json()['result'], 0)

    def find_transaction_by_hash(self, transaction_hash: str):
        method = self.network_url + 'module=transaction&action=gettxreceiptstatus&txhash=%s&apikey=%s' % (
            transaction_hash, self.api_key)
        result = self.send_etherscan_request(method, 'result')

        if result:
            final_status = True
            if result['status'] == '1':
                self.log("TX %s is found and confirmed" % transaction_hash)
            elif result['status'] == '0':
                self.log("TX %s is found and failed: " % transaction_hash)
            else:
                final_status = False
                self.log("TX %s is not found!" % transaction_hash)
            return final_status

    def find_transaction_by_unique_amount(self, address, amount, token=False, decimals=18, wait_time=300):
        additional_info = 'token transactions' if token else 'ETH transactions'
        counter = 0
        while True:
            if counter >= wait_time:
                for entry in range(0, 5):
                    self.log('Transaction #%s, amount is %s' %(entry+1, float(int(transactions[entry]['value']) / 10 ** decimals)))
                    self.log(str(transactions[entry]))
                pytest.fail(
                    'Transaction with amount %s is not found in list of %s, address is %s during %ss' %
                    (amount, additional_info, address, wait_time))
            else:
                self.log("Finding tx in %s, attempt #%s" % (additional_info, str(int(counter / 30)+1)))
                try:
                    if token:
                        transactions = self.get_token_transactions(address)
                    else:
                        transactions = self.get_transactions(address)
                    counter += 30
                    time.sleep(30)
                except JSONDecodeError as e:
                    self.log("No valid JSON response from Etherscan: %s " % str(e))
                    continue
                try:
                    for transaction in transactions:
                        if float(int(transaction['value']) / 10 ** decimals) == float(amount):
                            self.log("Tx is found: %s (etherscan API)" % transaction['hash'])
                            return transaction
                except TypeError as e:
                    self.log("Failed iterate transactions(Etherscan unexpected error): " + str(e))
                    continue

    def wait_for_confirmation_of_transaction(self, address, amount, confirmations=6, token=False):
        start_time = time.time()
        if token:
            token_info = "token transaction"
        else:
            token_info = "ETH transaction"
        self.log('Waiting %s %s for %s to have %s confirmations' % (amount, token_info, address, confirmations))
        while round(time.time() - start_time, ndigits=2) < 600:  # should be < idleTimeout capability
            transaction = self.find_transaction_by_unique_amount(address, amount, token)
            self.log(
                'Expected amount of confirmations is %s, in fact %s' % (confirmations, transaction['confirmations']))
            if int(transaction['confirmations']) >= confirmations:
                return
            time.sleep(20)
        pytest.fail('Transaction with amount %s was not confirmed, address is %s, still has %s confirmations' % (amount, address, int(transaction['confirmations'])))

    def verify_balance_is_updated(self, initial_balance, recipient_address, wait_time=360):
        counter = 0
        while True:
            if counter >= wait_time:
                pytest.fail('Balance is not changed during %s seconds' % wait_time)
            elif initial_balance == self.get_balance(recipient_address):
                counter += 10
                time.sleep(10)
                self.log('Waiting %s seconds for for changing account balance from %s' % (counter, initial_balance))
            else:
                self.log('Balance is updated!')
                return

    def verify_balance_is(self, expected_balance: int, recipient_address: str, errors: list):
        balance = self.get_balance(recipient_address)
        if balance / 1000000000000000000 != expected_balance:
            errors.append('Recipients balance is not updated on etherscan')

    # Do not use until web3 update
    # def faucet(self, address):
    #     try:
    #         self.log("Trying to get funds from %s" % self.faucet_url)
    #         return requests.request('GET', '%s/0x%s' % (self.faucet_url, address)).json()
    #     except JSONDecodeError as e:
    #         self.log("No valid JSON response from Etherscan: %s " % str(e))
    #         pass

    # def faucet_backup(self, address):
    #     self.log("Trying to get funds from %s" % self.faucet_backup_address)
    #     address = "0x" + address
    #     w3.donate_testnet_eth(address=address, amount=0.01, inscrease_default_gas_price=10)


    # def get_donate(self, address, external_faucet=False, wait_time=300):
    #     initial_balance = self.get_balance(address)
    #     counter = 0
    #     if initial_balance < 1000000000000000000:
    #         if external_faucet:
    #             self.faucet_backup(address)
    #         else:
    #             self.faucet(address)
    #         while True:
    #             if counter >= wait_time:
    #                 pytest.fail("Donation was not received during %s seconds!" % wait_time)
    #             elif self.get_balance(address) == initial_balance:
    #                 counter += 10
    #                 time.sleep(10)
    #                 self.log('Waiting %s seconds for donation' % counter)
    #             else:
    #                 self.log('Got %s Gwei for %s' % (self.get_balance(address), address))
    #                 return

    def start_chat_bot(self, chat_name: str, messages_number: int, interval: int = 1) -> list:
        url = '%s/ping/%s?count=%s&interval=%s' % (self.chat_bot_url, chat_name, messages_number, interval)
        text = requests.request('GET', url).text
        return [i.split(maxsplit=5)[-1].strip('*') for i in text.splitlines()]

    def get_rounded_balance(self, fetched_balance, actual_balance):
        fetched_balance, actual_balance = str(fetched_balance), str(actual_balance)
        # get actual number of decimals on account balance
        decimals = abs(Decimal(fetched_balance).as_tuple().exponent)
        rounded_balance = round(float(actual_balance), decimals)
        return rounded_balance

    def get_tx_param_by_hash(self, hash: str, param: str):
        method = self.network_url + 'module=proxy&action=eth_getTransactionByHash&txhash=%s&apikey=%s' % (
            hash, self.api_key)
        res = self.send_etherscan_request(method, 'result')
        return int(res[param], 16)

    def get_custom_fee_tx_params(self, hash: str):
        return {
            'fee_cap': str(self.get_tx_param_by_hash(hash, 'maxFeePerGas')/1000000000),
            'tip_cap': str(self.get_tx_param_by_hash(hash, 'maxPriorityFeePerGas')/1000000000),
            'gas_limit': str(self.get_tx_param_by_hash(hash, 'gas'))
        }