import math

from random import SystemRandom
from flask import jsonify, request
from loremipsum import get_sentences

from endpoints.api import api

def generate_image_completion(rand_func):
  images = {}
  for image_id in range(rand_func.randint(1, 11)):
    total = int(math.pow(abs(rand_func.gauss(0, 1000)), 2))
    current = rand_func.randint(0, total)
    image_id = 'image_id_%s' % image_id
    images[image_id] = {
      'total': total,
      'current': current,
    }
  return images


def generate_fake_status():
  response = {
    'id': 'deadbeef-dead-beef-dead-beefdeadbeef',
    'status': None,
  }

  random = SystemRandom()
  phases = {
    'waiting': {},
    'starting': {
      'total_commands': 7,
      'current_command': 0,
    },
    'initializing': {},
    'error': {},
    'complete': {},
    'building': {
      'total_commands': 7,
      'current_command': random.randint(1, 7),    
    },
    'pushing': {
      'total_commands': 7,
      'current_command': 7,
      'push_completion': random.random(),
      'image_completion': generate_image_completion(random),
    },
  }

  phase = random.choice(phases.keys())
  response['phase'] = phase
  response['status'] = (phases[phase])

  return response


BASE_BUILDING_URL = '/repository/devtable/building/build/'


@api.route(BASE_BUILDING_URL, methods=['GET'])
def get_fake_repo_build_status_list():
  return jsonify({'builds': [generate_fake_status()]})


@api.route(BASE_BUILDING_URL + 'deadbeef-dead-beef-dead-beefdeadbeef/logs',
           methods=['GET'])
def get_fake_repo_build_logs():
  start = int(request.args.get('start', 0))
  end = int(request.args.get('end', 0))
  had_start = 'start' in request.args
  had_end = 'end' in request.args

  adv_start = 0
  adv_end = 0
  adv_total = 0
  lorem_logs = []

  if had_start and had_end:
    numlogs = end - start + 1
    adv_start = start
    adv_end = end
    adv_total = end + 1
    lorem_logs = get_sentences(numlogs)
  elif had_start:
    adv_start = start
    adv_end = start + 9
    lorem_logs = get_sentences(10)
    adv_total = adv_end + 1
  elif had_end:
    adv_start = max(0, (end - 9))
    adv_end = end
    adv_total = end + 1
    lorem_logs = get_sentences(adv_end - adv_start + 1)
  else:
    adv_start = 100
    adv_end = 109
    adv_total = 110
    lorem_logs = get_sentences(10)

  return jsonify({
    'start': adv_start,
    'end': adv_end,
    'total': adv_total,
    'logs': [{'message': sentence} for sentence in lorem_logs]
  })


@api.route(BASE_BUILDING_URL + '/deadbeef-dead-beef-dead-beefdeadbeef/status',
           methods=['GET'])
def get_fake_repo_build_status():
  return jsonify(generate_fake_status())