"""General function module"""

import time
import random
from datetime import datetime, timedelta

from app import LOGGER, SCHEDULER, RESOURCE_IDS, DEEP_EXPLORATION_MAX, KOEF_FACTOR, \
    jobs, api, database


def schedule_orders():
    """start deep exploration orders"""
    LOGGER.info('Start schedule orders')
    orders = database.get_orders()
    for job in SCHEDULER.get_jobs():
        print(job)
        if 'deep_exploration' in job.id:
            job.remove()
    for order in orders:
        schedule_order(order)
    LOGGER.info('Finish schedule orders')

def sync_deep_exploration(region_id):
    """Check resources and refill if necessary"""
    LOGGER.info('%s: sync deep exploration history', region_id)
    deep_explorations = api.download_deep_explorations(region_id)
    database.save_deep_explorations(region_id, deep_explorations)

def schedule_order(order):
    """start deep exploration order"""
    deep_exploration = database.get_active_deep_exploration(order.region_id)
    if deep_exploration is None:
        sync_deep_exploration(order.region_id)
        deep_exploration = database.get_active_deep_exploration(order.region_id)
    start_date = deep_exploration.until_date_time if deep_exploration else datetime.now()
    max_seconds = 5 # 300
    random_seconds = random.randint(0, max_seconds)
    scheduled_date = start_date + timedelta(seconds=random_seconds)
    LOGGER.info(
        '%s: schedule deep exploration at %s for %s',
        order.region_id,
        scheduled_date.strftime("%Y-%m-%d %H:%M:%S"),
        RESOURCE_IDS[order.resource_type]
    )
    SCHEDULER.add_job(
        jobs.start_deep_exploration_order,
        'date',
        args=[order.id],
        id='deep_exploration_{}_{}'.format(order.region_id, order.resource_type),
        replace_existing=True,
        run_date=scheduled_date
    )

def start_deep_exploration(order_id):
    """Start deep exploration"""
    LOGGER.info('Start order %s', order_id)
    order = database.get_order(order_id)
    order_types = {
        0: get_max_points, # max
        1: get_fixed_points, # fixed
        2: get_percentage_points, # percentage
        3: get_auto_points, # auto
    }
    if order.order_type in order_types:
        points = order_types[order.order_type](order)
        state = database.get_state(order.region_id)
        LOGGER.info(
            '%s: deep explorate %s points for %s',
            order.region_id,
            points,
            RESOURCE_IDS[order.resource_type]
        )
        api.deep_explorate(state.id, order.region_id, order.resource_type, points, False)
    time.sleep(10)
    schedule_order(order)

def get_max_points(order):
    """Get  deep exploration points for order"""
    region = database.get_region(order.region_id)
    resource_limit = region.get_limit(order.resource_type)
    return DEEP_EXPLORATION_MAX[order.resource_type] - resource_limit

def get_fixed_points(order):
    """Get  deep exploration points for order"""
    return order.amount

def get_percentage_points(order):
    """Get  deep exploration points for order"""
    region = database.get_region(order.region_id)
    return calc_deep_exploration(
        region.get_limit(order.resource_type),
        order.amount,
        order.resource_type
    )

def get_auto_points(order):
    """Get  deep exploration points for order"""
    return 1

def calc_deep_exploration(resource_limit, percentage, resource_type):
    """Calculate deep expo for resource"""
    koef_factor = KOEF_FACTOR[resource_type]
    max_deep_exploration = DEEP_EXPLORATION_MAX[resource_type] - resource_limit
    initial_resource_factor = pow(resource_limit * koef_factor / 10, 0.8)
    new_resource_factor = initial_resource_factor * (percentage / 100 + 1)
    points = (10 * (new_resource_factor ** (1/0.8))) / koef_factor - resource_limit
    return max_deep_exploration if points > max_deep_exploration else round(points)