from __future__ import unicode_literals
from django.shortcuts import render, redirect
from django.contrib.auth.decorators import login_required
from django.contrib.auth.decorators import permission_required
from django.contrib import messages
from eveonline.managers import EveManager
from authentication.models import AuthServicesInfo
from srp.models import SrpFleetMain
from srp.models import SrpUserRequest
from srp.form import SrpFleetMainForm
from srp.form import SrpFleetUserRequestForm
from srp.form import SrpFleetUpdateCostForm
from srp.form import SrpFleetMainUpdateForm
from services.managers.srp_manager import srpManager
from notifications import notify
from django.utils import timezone
from authentication.decorators import members_and_blues
from esi.clients import esi_client_factory
import uuid

import logging

logger = logging.getLogger(__name__)


def random_string(string_length=10):
    """Returns a random string of length string_length."""
    random = str(uuid.uuid4())  # Convert UUID format to a Python string.
    random = random.upper()  # Make all characters uppercase.
    random = random.replace("-", "")  # Remove the UUID '-'.
    return random[0:string_length]  # Return the random string.


@login_required
@members_and_blues()
def srp_management(request):
    logger.debug("srp_management called by user %s" % request.user)
    totalcost = 0
    runningcost = 0
    price_pair = {}
    for fleet_main in SrpFleetMain.objects.filter(fleet_srp_status="").iterator():
        for fleet_data in SrpUserRequest.objects.filter(srp_fleet_main=fleet_main).iterator():
            totalcost = totalcost + fleet_data.srp_total_amount
            runningcost = runningcost + fleet_data.srp_total_amount
        price_pair[fleet_main.id] = runningcost
        logger.debug("Determined SRP fleet %s costs %s" % (fleet_main.id, runningcost))
        runningcost = 0
    logger.debug("Determined total outstanding SRP cost %s" % totalcost)

    context = {"srpfleets": SrpFleetMain.objects.filter(fleet_srp_status=""), "totalcost": totalcost,
               "price_pair": price_pair}
    return render(request, 'registered/srpmanagement.html', context=context)


@login_required
@members_and_blues()
def srp_management_all(request):
    logger.debug("srp_management_all called by user %s" % request.user)
    totalcost = 0
    runningcost = 0
    price_pair = {}
    for fleet_main in SrpFleetMain.objects.all().iterator():
        for fleet_data in SrpUserRequest.objects.filter(srp_fleet_main=fleet_main).iterator():
            totalcost = totalcost + fleet_data.srp_total_amount
            runningcost = runningcost + fleet_data.srp_total_amount
        price_pair[fleet_main.id] = runningcost
        logger.debug("Determined SRP fleet %s costs %s" % (fleet_main.id, runningcost))
        runningcost = 0
    logger.debug("Determined all-time total SRP cost %s" % totalcost)

    context = {"srpfleets": SrpFleetMain.objects.all(), "totalcost": totalcost, "price_pair": price_pair}
    return render(request, 'registered/srpmanagement.html', context=context)


@login_required
@members_and_blues()
def srp_fleet_view(request, fleet_id):
    logger.debug("srp_fleet_view called by user %s for fleet id %s" % (request.user, fleet_id))
    if SrpFleetMain.objects.filter(id=fleet_id).exists():
        fleet_main = SrpFleetMain.objects.get(id=fleet_id)
        totalcost = 0
        for fleet_data in SrpUserRequest.objects.filter(srp_fleet_main=fleet_main).filter(srp_status="Approved"):
            totalcost = totalcost + fleet_data.srp_total_amount
        logger.debug("Determiend fleet id %s total cost %s" % (fleet_id, totalcost))

        context = {"fleet_id": fleet_id, "fleet_status": fleet_main.fleet_srp_status,
                   "srpfleetrequests": SrpUserRequest.objects.filter(srp_fleet_main=fleet_main),
                   "totalcost": totalcost}

        return render(request, 'registered/srpfleetdata.html', context=context)
    else:
        logger.error(
            "Unable to view SRP fleet id %s for user %s - fleet matching id not found." % (fleet_id, request.user))
        return redirect("auth_srp_management_view")


@login_required
@permission_required('auth.srp_management')
def srp_fleet_add_view(request):
    logger.debug("srp_fleet_add_view called by user %s" % request.user)
    completed = False
    completed_srp_code = ""

    if request.method == 'POST':
        form = SrpFleetMainForm(request.POST)
        logger.debug("Request type POST contains form valid: %s" % form.is_valid())
        if form.is_valid():
            authinfo = AuthServicesInfo.objects.get(user=request.user)
            character = EveManager.get_character_by_id(authinfo.main_char_id)

            srp_fleet_main = SrpFleetMain()
            srp_fleet_main.fleet_name = form.cleaned_data['fleet_name']
            srp_fleet_main.fleet_doctrine = form.cleaned_data['fleet_doctrine']
            srp_fleet_main.fleet_time = form.cleaned_data['fleet_time']
            srp_fleet_main.fleet_srp_code = random_string(8)
            srp_fleet_main.fleet_commander = character

            srp_fleet_main.save()

            completed = True
            completed_srp_code = srp_fleet_main.fleet_srp_code
            logger.info("Created SRP Fleet %s by user %s" % (srp_fleet_main.fleet_name, request.user))
            messages.success(request, 'Created SRP fleet %s.' % srp_fleet_main.fleet_name)

    else:
        logger.debug("Returning blank SrpFleetMainForm")
        form = SrpFleetMainForm()

    render_items = {'form': form, "completed": completed, "completed_srp_code": completed_srp_code}

    return render(request, 'registered/srpfleetadd.html', context=render_items)


@login_required
@permission_required('auth.srp_management')
def srp_fleet_remove(request, fleet_id):
    logger.debug("srp_fleet_remove called by user %s for fleet id %s" % (request.user, fleet_id))
    if SrpFleetMain.objects.filter(id=fleet_id).exists():
        srpfleetmain = SrpFleetMain.objects.get(id=fleet_id)
        srpfleetmain.delete()
        logger.info("SRP Fleet %s deleted by user %s" % (srpfleetmain.fleet_name, request.user))
        messages.success(request, 'Removed SRP fleet %s.' % srpfleetmain.fleet_name)
    else:
        logger.error(
            "Unable to delete SRP fleet id %s for user %s - fleet matching id not found." % (fleet_id, request.user))
        messages.error(request, 'Unable to locate SRP fleet with ID %s' % fleet_id)
    return redirect("auth_srp_management_view")


@login_required
@permission_required('auth.srp_management')
def srp_fleet_disable(request, fleet_id):
    logger.debug("srp_fleet_disable called by user %s for fleet id %s" % (request.user, fleet_id))
    if SrpFleetMain.objects.filter(id=fleet_id).exists():
        srpfleetmain = SrpFleetMain.objects.get(id=fleet_id)
        srpfleetmain.fleet_srp_code = ""
        srpfleetmain.save()
        logger.info("SRP Fleet %s disabled by user %s" % (srpfleetmain.fleet_name, request.user))
        messages.success(request, 'Disabled SRP fleet %s.' % srpfleetmain.fleet_name)
    else:
        logger.error(
            "Unable to disable SRP fleet id %s for user %s - fleet matching id not found." % (fleet_id, request.user))
        messages.error(request, 'Unable to locate SRP fleet with ID %s' % fleet_id)
    return redirect("auth_srp_management_view")


@login_required
@permission_required('auth.srp_management')
def srp_fleet_enable(request, fleet_id):
    logger.debug("srp_fleet_enable called by user %s for fleet id %s" % (request.user, fleet_id))
    if SrpFleetMain.objects.filter(id=fleet_id).exists():
        srpfleetmain = SrpFleetMain.objects.get(id=fleet_id)
        srpfleetmain.fleet_srp_code = random_string(8)
        srpfleetmain.save()
        logger.info("SRP Fleet %s enable by user %s" % (srpfleetmain.fleet_name, request.user))
        messages.success(request, 'Enabled SRP fleet %s.' % srpfleetmain.fleet_name)
    else:
        logger.error(
            "Unable to enable SRP fleet id %s for user %s - fleet matching id not found." % (fleet_id, request.user))
        messages.error(request, 'Unable to locate SRP fleet with ID %s' % fleet_id)
    return redirect("auth_srp_management_view")


@login_required
@permission_required('auth.srp_management')
def srp_fleet_mark_completed(request, fleet_id):
    logger.debug("srp_fleet_mark_completed called by user %s for fleet id %s" % (request.user, fleet_id))
    if SrpFleetMain.objects.filter(id=fleet_id).exists():
        srpfleetmain = SrpFleetMain.objects.get(id=fleet_id)
        srpfleetmain.fleet_srp_status = "Completed"
        srpfleetmain.save()
        logger.info("Marked SRP Fleet %s as completed by user %s" % (srpfleetmain.fleet_name, request.user))
        messages.success(request, 'Marked SRP fleet %s as completed.' % srpfleetmain.fleet_name)
    else:
        logger.error("Unable to mark SRP fleet with id %s as completed for user %s - fleet matching id not found." % (
            fleet_id, request.user))
        messages.error(request, 'Unable to locate SRP fleet with ID %s' % fleet_id)
    return redirect("auth_srp_fleet_view", fleet_id)


@login_required
@permission_required('auth.srp_management')
def srp_fleet_mark_uncompleted(request, fleet_id):
    logger.debug("srp_fleet_mark_uncompleted called by user %s for fleet id %s" % (request.user, fleet_id))
    if SrpFleetMain.objects.filter(id=fleet_id).exists():
        srpfleetmain = SrpFleetMain.objects.get(id=fleet_id)
        srpfleetmain.fleet_srp_status = ""
        srpfleetmain.save()
        logger.info("Marked SRP Fleet %s as incomplete for user %s" % (fleet_id, request.user))
        messages.success(request, 'Marked SRP fleet %s as incomplete.' % srpfleetmain.fleet_name)
        return redirect("auth_srp_fleet_view", fleet_id)
    else:
        logger.error("Unable to mark SRP Fleet id %s as incomplete for user %s - fleet matching id not found." % (
            fleet_id, request.user))
        messages.error(request, 'Unable to locate SRP fleet with ID %s' % fleet_id)
        return redirect('auth_srp_management_view')


@login_required
@members_and_blues()
def srp_request_view(request, fleet_srp):
    logger.debug("srp_request_view called by user %s for fleet srp code %s" % (request.user, fleet_srp))
    completed = False
    no_srp_code = False

    if SrpFleetMain.objects.filter(fleet_srp_code=fleet_srp).exists() is False:
        no_srp_code = True
        logger.error("Unable to locate SRP Fleet using code %s for user %s" % (fleet_srp, request.user))

    if request.method == 'POST':
        form = SrpFleetUserRequestForm(request.POST)
        logger.debug("Request type POST contains form valid: %s" % form.is_valid())

        if form.is_valid():
            authinfo = AuthServicesInfo.objects.get(user=request.user)
            character = EveManager.get_character_by_id(authinfo.main_char_id)
            srp_fleet_main = SrpFleetMain.objects.get(fleet_srp_code=fleet_srp)
            post_time = timezone.now()
            srp_status = "Pending"

            srp_request = SrpUserRequest()
            srp_request.killboard_link = form.cleaned_data['killboard_link']
            srp_request.additional_info = form.cleaned_data['additional_info']
            srp_request.character = character
            srp_request.srp_fleet_main = srp_fleet_main
            srp_request.srp_status = srp_status

            try:
                srp_kill_link = srpManager.get_kill_id(srp_request.killboard_link)
                (srp_kill_data, ship_value) = srpManager.get_kill_data(srp_kill_link)
            except ValueError:
                logger.debug("User %s Submitted Invalid Killmail Link %s or server could not be reached" % (
                    request.user, srp_request.killboard_link))
                # THIS SHOULD BE IN FORM VALIDATION
                messages.error(request,
                               "Your SRP request Killmail link is invalid. Please make sure you are using zKillboard.")
                return redirect("auth_srp_management_view")
            c = esi_client_factory()
            srp_ship_name = c.Universe.get_universe_types_type_id(type_id=srp_kill_data).result()['type_name']
            srp_request.srp_ship_name = srp_ship_name
            kb_total_loss = ship_value
            srp_request.kb_total_loss = kb_total_loss
            srp_request.post_time = post_time
            srp_request.save()
            completed = True
            logger.info("Created SRP Request on behalf of user %s for fleet name %s" % (
                request.user, srp_fleet_main.fleet_name))
            messages.success(request, 'Submitted SRP request for your %s.' % srp_ship_name)

    else:
        logger.debug("Returning blank SrpFleetUserRequestForm")
        form = SrpFleetUserRequestForm()

    render_items = {'form': form, "completed": completed, "no_srp_code": no_srp_code}

    return render(request, 'registered/srpfleetrequest.html', context=render_items)


@login_required
@permission_required('auth.srp_management')
def srp_request_remove(request, srp_request_id):
    logger.debug("srp_request_remove called by user %s for srp request id %s" % (request.user, srp_request_id))
    stored_fleet_view = None

    if SrpUserRequest.objects.filter(id=srp_request_id).exists():
        srpuserrequest = SrpUserRequest.objects.get(id=srp_request_id)
        stored_fleet_view = srpuserrequest.srp_fleet_main.id
        srpuserrequest.delete()
        logger.info("Deleted SRP request id %s for user %s" % (srp_request_id, request.user))
        messages.success(request, 'Deleted SRP request from %s for their %s.' % (
            srpuserrequest.character, srpuserrequest.srp_ship_name))
    if stored_fleet_view is None:
        logger.error("Unable to delete srp request id %s for user %s - request matching id not found." % (
            srp_request_id, request.user))
        messages.error(request, 'Unable to locate SRP request with ID %s' % srp_request_id)
        return redirect("auth_srp_management_view")
    else:
        return redirect("auth_srp_fleet_view", stored_fleet_view)


@login_required
@permission_required('auth.srp_management')
def srp_request_approve(request, srp_request_id):
    logger.debug("srp_request_approve called by user %s for srp request id %s" % (request.user, srp_request_id))
    stored_fleet_view = None

    if SrpUserRequest.objects.filter(id=srp_request_id).exists():
        srpuserrequest = SrpUserRequest.objects.get(id=srp_request_id)
        stored_fleet_view = srpuserrequest.srp_fleet_main.id
        srpuserrequest.srp_status = "Approved"
        if srpuserrequest.srp_total_amount == 0:
            srpuserrequest.srp_total_amount = srpuserrequest.kb_total_loss
        srpuserrequest.save()
        logger.info("Approved SRP request id %s for character %s by user %s" % (
            srp_request_id, srpuserrequest.character, request.user))
        messages.success(request, 'Approved SRP request from %s for their %s.' % (
            srpuserrequest.character, srpuserrequest.srp_ship_name))
        notify(
            srpuserrequest.character.user,
            'SRP Request Approved',
            level='success',
            message='Your SRP request for a %s lost during %s has been approved for %s ISK.' % (
                srpuserrequest.srp_ship_name, srpuserrequest.srp_fleet_main.fleet_name, srpuserrequest.srp_total_amount)
        )
    if stored_fleet_view is None:
        logger.error("Unable to approve srp request id %s on behalf of user %s - request matching id not found." % (
            srp_request_id, request.user))
        messages.error(request, 'Unable to locate SRP request with ID %s' % srp_request_id)
        return redirect("auth_srp_management_view")
    else:
        return redirect("auth_srp_fleet_view", stored_fleet_view)


@login_required
@permission_required('auth.srp_management')
def srp_request_reject(request, srp_request_id):
    logger.debug("srp_request_reject called by user %s for srp request id %s" % (request.user, srp_request_id))
    stored_fleet_view = None

    if SrpUserRequest.objects.filter(id=srp_request_id).exists():
        srpuserrequest = SrpUserRequest.objects.get(id=srp_request_id)
        stored_fleet_view = srpuserrequest.srp_fleet_main.id
        srpuserrequest.srp_status = "Rejected"
        srpuserrequest.save()
        logger.info("SRP request id %s for character %s rejected by %s" % (
            srp_request_id, srpuserrequest.character, request.user))
        messages.success(request, 'Rejected SRP request from %s for their %s.' % (
            srpuserrequest.character, srpuserrequest.srp_ship_name))
        notify(
            srpuserrequest.character.user,
            'SRP Request Rejected',
            level='danger',
            message='Your SRP request for a %s lost during %s has been rejected.' % (
                srpuserrequest.srp_ship_name, srpuserrequest.srp_fleet_main.fleet_name)
        )

    if stored_fleet_view is None:
        logger.error("Unable to reject SRP request id %s on behalf of user %s - request matching id not found." % (
            srp_request_id, request.user))
        messages.error(request, 'Unable to locate SRP request with ID %s' % srp_request_id)
        return redirect("auth_srp_management_view")
    else:
        return redirect("auth_srp_fleet_view", stored_fleet_view)


@login_required
@permission_required('auth.srp_management')
def srp_request_update_amount_view(request, fleet_srp_request_id):
    logger.debug("srp_request_update_amount_view called by user %s for fleet srp request id %s" % (
        request.user, fleet_srp_request_id))

    if SrpUserRequest.objects.filter(id=fleet_srp_request_id).exists() is False:
        logger.error("Unable to locate SRP request id %s for user %s" % (fleet_srp_request_id, request.user))
        messages.error(request, 'Unable to locate SRP request with ID %s' % fleet_srp_request_id)
        return redirect("auth_srp_management_view")

    if request.method == 'POST':
        form = SrpFleetUpdateCostForm(request.POST)
        logger.debug("Request type POST contains form valid: %s" % form.is_valid())
        if form.is_valid():
            srp_request = SrpUserRequest.objects.get(id=fleet_srp_request_id)
            srp_request.srp_total_amount = form.cleaned_data['srp_total_amount']
            srp_request.save()
            logger.info("Updated srp request id %s total to %s by user %s" % (
                fleet_srp_request_id, form.cleaned_data['srp_total_amount'], request.user))
            messages.success(request, 'Updated SRP amount.')
            return redirect("auth_srp_fleet_view", srp_request.srp_fleet_main.id)
    else:
        logger.debug("Returning blank SrpFleetUpdateCostForm")
        form = SrpFleetUpdateCostForm()

    render_items = {'form': form}

    return render(request, 'registered/srpfleetrequestamount.html', context=render_items)


@login_required
@permission_required('auth.srp_management')
def srp_fleet_edit_view(request, fleet_id):
    logger.debug("srp_fleet_edit_view called by user %s for fleet id %s" % (request.user, fleet_id))
    no_fleet_id = False
    if SrpFleetMain.objects.filter(id=fleet_id).exists():
        if request.method == 'POST':
            form = SrpFleetMainUpdateForm(request.POST)
            logger.debug("Request type POST contains form valid: %s" % form.is_valid())
            if form.is_valid():
                srpfleetmain = SrpFleetMain.objects.get(id=fleet_id)
                srpfleetmain.fleet_srp_aar_link = form.cleaned_data['fleet_aar_link']
                srpfleetmain.save()
                logger.info("User %s edited SRP Fleet %s" % (request.user, srpfleetmain.fleet_name))
                messages.success(request, 'Saved changes to SRP fleet %s' % srpfleetmain.fleet_name)
                return redirect("auth_srp_management_view")
        else:
            logger.debug("Returning blank SrpFleetMainUpdateForm")
            form = SrpFleetMainUpdateForm()
        render_items = {'form': form, "no_fleet_id": no_fleet_id}
        return render(request, 'registered/srpfleetupdate.html', context=render_items)

    else:
        logger.error(
            "Unable to edit srp fleet id %s for user %s - fleet matching id not found." % (fleet_id, request.user))
        messages.error(request, 'Unable to locate SRP fleet with ID %s' % fleet_id)
        return redirect("auth_srp_management_view")