#!/usr/bin/env python3
import json
import sys

def check(expected, actual):
    expected_test = json.loads(expected)
    actual_test = json.loads(actual)
    check_output(expected_test, actual_test)


def check_output(expected_test, actual_test):
    expected_entries = expected_test['entries']
    actual_entries = actual_test['entries']
    if len(expected_entries) != len(actual_entries):
        print('expected entries: %d' % len(expected_entries))
        print('actual entries: %d' % len(actual_entries))
        sys.exit(1)
    for i in range(len(expected_entries)):
        check_entry(i, expected_entries[i], actual_entries[i])


def check_entry(entry_index, expected_entry, actual_entry):
    check_request(entry_index, expected_entry['request'], actual_entry['request'])
    check_response(entry_index, expected_entry['response'], actual_entry['response'])
    if expected_entry.get('asserts') is not None:
        check_asserts(entry_index, expected_entry['asserts'], actual_entry['asserts'])


def check_request(entry_index, expected_request, actual_request):
    check_method(entry_index, expected_request['method'], actual_request['method'])
    check_url(entry_index, expected_request['url'], actual_request['url'])


def check_response(entry_index, expected_response, actual_response):
    check_status(entry_index, expected_response['status'], actual_response['status'])



def check_method(entry_index, expected, actual):
    if expected != actual:
        print('Invalid entry %d' % entry_index)
        print('expected method: %s' % expected)
        print('actual method  : %s' % actual)
        sys.exit(1)


def check_url(entry_index, expected, actual):
    if expected != actual:
        print('Invalid entry %d' % entry_index)
        print('expected url: %s' % expected)
        print('actual url  : %s' % actual)
        sys.exit(1)


def check_status(entry_index, expected, actual):
    if expected != actual:
        print('Invalid entry %d' % entry_index)
        print('expected status: %s' % expected)
        print('actual status  : %s' % actual)
        sys.exit(1)


def check_asserts(entry_index, expected, actual):
    if expected != actual:
        print('Invalid entry %d' % entry_index)
        print('expected asserts:\n%s' % json.dumps(expected, indent=2))
        print('actual asserts:\n%s' % json.dumps(actual, indent=2))
        sys.exit(1)


def main():
    if len(sys.argv) < 3:
        print('usage: check_output.py expected_file actual_file')
        sys.exit(1)
    expected_file = sys.argv[1]
    actual_file = sys.argv[2]
    expected = open(expected_file).read()
    actual = open(actual_file).read()
    check_file(expected, actual)


if __name__ == '__main__':
    main()