from django.shortcuts import render
from django.core.paginator import Paginator, EmptyPage, PageNotAnInteger
from .models import Build, FeatureBuild, ScenarioBuild


def index(request):
    return render(request, 'qa_analytics/helloworld.html')


def failures(request):
    builds = Build.objects.prefetch_related("featurebuild_set__scenariobuild_set__stepbuild_set")
    scenarios = []
    for build in builds:
        for feature in build.featurebuild_set.all():
            for scenario in feature.scenariobuild_set.all():
                scenarios.append(scenario)
    failed_scenarios = {}
    for scenario in scenarios:
        if scenario.passed() is not True:
            if scenario.name in failed_scenarios:
                if failed_scenarios[scenario.name]['last_failure'] < scenario.feature_build.build.ingested_time:
                    failed_scenarios[scenario.name]['last_failure'] = scenario.feature_build.build.ingested_time
                failed_scenarios[scenario.name]['failures'] += 1
            else:
                failed_scenarios[scenario.name] = {
                    'last_failure': scenario.feature_build.build.ingested_time, 'failures': 1}
    return render(request, 'qa_analytics/failures.html', {'failures': failed_scenarios})


def cucumber_builds(request):
    build_list = Build.objects.prefetch_related(
        "featurebuild_set__scenariobuild_set__stepbuild_set").order_by("-ingested_time")
    paginator = Paginator(build_list, 15)
    page = request.GET.get('page')
    try:
        builds = paginator.page(page)
    except PageNotAnInteger:
        builds = paginator.page(1)
    except EmptyPage:
        builds = paginator.page(paginator.num_pages)
    return render(request, 'qa_analytics/cucumber_builds.html', {'builds': builds})


def build_detail(request, pk):
    features = FeatureBuild.objects.filter(build_id=pk).prefetch_related("build", "scenariobuild_set__stepbuild_set")
    return render(request, 'qa_analytics/features.html', {'features': features})


def scenario_list(request, build_num, feature_num):
    scenarios = ScenarioBuild.objects.filter(feature_build_id=feature_num).prefetch_related("stepbuild_set")
    return render(request, 'qa_analytics/scenario_list.html', {'scenarios': scenarios})