from decimal import Decimal
from django.test import TestCase
from django.contrib.auth import get_user_model
from rest_framework.test import APIClient
from rest_framework import status

from apps.profiles.models import Institution
from apps.projects.models import Project
from apps.lms.models import Course, CourseCategory, CourseLevel, CourseLanguage
from apps.tickets.models import Ticket, TicketCategory, TicketPriority, TicketStatus
from apps.donations.models import DonationCampaign, CampaignCategory, CampaignPriority
from apps.diplomacy.models import RepresentativeReport, ReportStatus

User = get_user_model()


class Phase9AnalyticsAPITests(TestCase):
    """
    Automated test suite for Phase 9: Executive Analytics Dashboard
    - Multi-Module Real-Time Aggregated Metrics
    - Breakdown by Institution Type, Project Status, LMS Stats, Ticketing & Donations
    """

    def setUp(self):
        self.client = APIClient()

        self.user = User.objects.create_user(
            email="analytics.viewer@astan.org",
            password="Password123!",
            fullname="Executive Observer",
        )

        # Seed data
        self.inst = Institution.objects.create(
            name="Mashhad Razavi Center",
            country="Iran",
            city="Mashhad",
            type=Institution.InstitutionType.CULTURAL_CENTER,
            verification_status=Institution.VerificationStatus.APPROVED,
        )
        self.proj = Project.objects.create(
            title="Global Interfaith Forum",
            owner_institution=self.inst,
            status=Project.Status.ACTIVE,
        )
        self.course = Course.objects.create(
            title="Diplomacy 101",
            category=CourseCategory.CULTURAL_DIPLOMACY,
            language=CourseLanguage.EN,
            level=CourseLevel.INTRODUCTORY,
            instructor_name="Prof. Seyed",
            description="Introduction to diplomacy.",
            is_published=True,
        )
        self.ticket = Ticket.objects.create(
            user=self.user,
            subject="Assistance with registration",
            category=TicketCategory.GENERAL,
            status=TicketStatus.CLOSED,
            satisfaction_rating=5,
        )
        self.campaign = DonationCampaign.objects.create(
            title="Winter Relief",
            description="Relief campaign",
            target_amount=Decimal('10000.00'),
            raised_amount=Decimal('4500.00'),
            category=CampaignCategory.HUMANITARIAN_RELIEF,
            priority=CampaignPriority.HIGH,
            is_active=True,
        )
        self.report = RepresentativeReport.objects.create(
            representative=self.user,
            title="Monthly Report",
            region_hub="Europe",
            period="Feb 2026",
            activities_summary="Activities summary",
            centers_visited_count=6,
            status=ReportStatus.APPROVED,
        )

    def test_executive_dashboard_kpis(self):
        response = self.client.get("/api/v1/analytics/dashboard/")
        self.assertEqual(response.status_code, status.HTTP_200_OK)

        # 1. Institutions
        self.assertEqual(response.data["institutions"]["total_institutions"], 1)
        self.assertEqual(response.data["institutions"]["verified_institutions"], 1)
        self.assertEqual(response.data["institutions"]["countries_count"], 1)

        # 2. Projects
        self.assertEqual(response.data["projects"]["total_projects"], 1)
        self.assertEqual(response.data["projects"]["active_projects"], 1)

        # 3. LMS
        self.assertEqual(response.data["lms"]["total_courses"], 1)

        # 4. Ticketing
        self.assertEqual(response.data["ticketing"]["total_tickets"], 1)
        self.assertEqual(response.data["ticketing"]["average_satisfaction_rating"], 5.0)

        # 5. Donations
        self.assertEqual(response.data["donations"]["active_campaigns_count"], 1)
        self.assertEqual(response.data["donations"]["total_funds_raised_usd"], 4500.0)

        # 6. Diplomacy
        self.assertEqual(response.data["diplomacy"]["total_reports_submitted"], 1)
        self.assertEqual(response.data["diplomacy"]["approved_reports_count"], 1)
        self.assertEqual(response.data["diplomacy"]["total_centers_visited"], 6)