// ignore_for_file: deprecated_member_use

import 'dart:async';
import 'package:flutter_test/flutter_test.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:tasq/models/it_service_request.dart';
import 'package:tasq/models/it_service_request_assignment.dart';
import 'package:tasq/models/profile.dart';
import 'package:tasq/models/ticket.dart';
import 'package:tasq/models/task.dart';
import 'package:tasq/models/task_assignment.dart';
import 'package:tasq/models/ticket_message.dart';
import 'package:tasq/models/duty_schedule.dart';
import 'package:tasq/models/attendance_log.dart';
import 'package:tasq/models/live_position.dart';
import 'package:tasq/models/leave_of_absence.dart';
import 'package:tasq/models/pass_slip.dart';
import 'package:tasq/models/team.dart';
import 'package:tasq/models/team_member.dart';
import 'package:tasq/screens/dashboard/dashboard_screen.dart';
import 'package:tasq/utils/app_time.dart';

// underlying providers needed by the dashboard metrics logic
import 'package:tasq/providers/it_service_request_provider.dart';
import 'package:tasq/providers/profile_provider.dart';
import 'package:tasq/providers/tickets_provider.dart';
import 'package:tasq/providers/tasks_provider.dart';
import 'package:tasq/providers/workforce_provider.dart'; // dutySchedulesProvider
import 'package:tasq/providers/attendance_provider.dart';
import 'package:tasq/providers/whereabouts_provider.dart';
import 'package:tasq/providers/leave_provider.dart';
import 'package:tasq/providers/pass_slip_provider.dart';
import 'package:tasq/providers/teams_provider.dart';

void main() {
  group('dashboardMetricsProvider', () {
    test('service request in progress causes status to become On task', () async {
      AppTime.initialize();
      final now = AppTime.now();
      // create a single IT staff profile
      final profile = Profile(
        id: 'u1',
        fullName: 'Staff One',
        role: 'it_staff',
        avatarUrl: null,
        allowTracking: false,
      );

      final service = ItServiceRequest(
        id: 'r1',
        services: ['wifi'],
        eventName: 'Event',
        status: ItServiceRequestStatus.inProgress,
        outsidePremiseAllowed: false,
        createdAt: now,
        updatedAt: now,
      );

      final assignment = ItServiceRequestAssignment(
        id: 'a1',
        requestId: 'r1',
        userId: 'u1',
        createdAt: now,
      );

      final container = ProviderContainer(
        overrides: [
          profilesProvider.overrideWith((ref) => Stream.value([profile])),
          itServiceRequestsProvider.overrideWith(
            (ref) => Stream.value([service]),
          ),
          itServiceRequestAssignmentsProvider.overrideWith(
            (ref) => Stream.value([assignment]),
          ),

          // everything else can be empty streams so dashboard metrics doesn't crash
          ticketsProvider.overrideWith((ref) => Stream.value(const <Ticket>[])),
          tasksProvider.overrideWith((ref) => Stream.value(const <Task>[])),
          taskAssignmentsProvider.overrideWith(
            (ref) => Stream.value(const <TaskAssignment>[]),
          ),
          ticketMessagesAllProvider.overrideWith(
            (ref) => Stream.value(const <TicketMessage>[]),
          ),
          dutySchedulesProvider.overrideWith(
            (ref) => Stream.value(const <DutySchedule>[]),
          ),
          attendanceLogsProvider.overrideWith(
            (ref) => Stream.value(const <AttendanceLog>[]),
          ),
          livePositionsProvider.overrideWith(
            (ref) => Stream.value(const <LivePosition>[]),
          ),
          leavesProvider.overrideWith(
            (ref) => Stream.value(const <LeaveOfAbsence>[]),
          ),

          passSlipsProvider.overrideWithProvider(
            StreamProvider<List<PassSlip>>(
              (ref) => Stream.value(const <PassSlip>[]),
            ),
          ),
          teamsProvider.overrideWithProvider(
            StreamProvider<List<Team>>((ref) => Stream.value(const <Team>[])),
          ),
          teamMembersProvider.overrideWithProvider(
            StreamProvider<List<TeamMember>>(
              (ref) => Stream.value(const <TeamMember>[]),
            ),
          ),
        ],
      );

      // wait for the dashboard metrics provider to emit AsyncData
      final completer = Completer<DashboardMetrics>();
      container.listen<AsyncValue<DashboardMetrics>>(dashboardMetricsProvider, (
        prev,
        next,
      ) {
        if (next is AsyncData<DashboardMetrics>) {
          completer.complete(next.value);
        }
      }, fireImmediately: true);
      final data = await completer.future;
      expect(data.staffRows.length, 1);
      expect(data.staffRows.first.status, 'On event');
    });

    test('service request not in progress does not affect status', () async {
      AppTime.initialize();
      final now = AppTime.now();
      final profile = Profile(
        id: 'u2',
        fullName: 'Staff Two',
        role: 'it_staff',
        avatarUrl: null,
        allowTracking: false,
      );

      final service = ItServiceRequest(
        id: 'r2',
        services: ['wifi'],
        eventName: 'Event',
        status: ItServiceRequestStatus.scheduled,
        outsidePremiseAllowed: false,
        createdAt: now,
        updatedAt: now,
      );

      final assignment = ItServiceRequestAssignment(
        id: 'a2',
        requestId: 'r2',
        userId: 'u2',
        createdAt: now,
      );

      final container = ProviderContainer(
        overrides: [
          profilesProvider.overrideWith((ref) => Stream.value([profile])),
          itServiceRequestsProvider.overrideWith(
            (ref) => Stream.value([service]),
          ),
          itServiceRequestAssignmentsProvider.overrideWith(
            (ref) => Stream.value([assignment]),
          ),

          ticketsProvider.overrideWith((ref) => Stream.value(const <Ticket>[])),
          tasksProvider.overrideWith((ref) => Stream.value(const <Task>[])),
          taskAssignmentsProvider.overrideWith(
            (ref) => Stream.value(const <TaskAssignment>[]),
          ),
          ticketMessagesAllProvider.overrideWith(
            (ref) => Stream.value(const <TicketMessage>[]),
          ),
          dutySchedulesProvider.overrideWith(
            (ref) => Stream.value(const <DutySchedule>[]),
          ),
          attendanceLogsProvider.overrideWith(
            (ref) => Stream.value(const <AttendanceLog>[]),
          ),
          livePositionsProvider.overrideWith(
            (ref) => Stream.value(const <LivePosition>[]),
          ),
          leavesProvider.overrideWith(
            (ref) => Stream.value(const <LeaveOfAbsence>[]),
          ),

          passSlipsProvider.overrideWithProvider(
            StreamProvider<List<PassSlip>>(
              (ref) => Stream.value(const <PassSlip>[]),
            ),
          ),
          teamsProvider.overrideWithProvider(
            StreamProvider<List<Team>>((ref) => Stream.value(const <Team>[])),
          ),
          teamMembersProvider.overrideWithProvider(
            StreamProvider<List<TeamMember>>(
              (ref) => Stream.value(const <TeamMember>[]),
            ),
          ),
        ],
      );

      final completer = Completer<DashboardMetrics>();
      container.listen<AsyncValue<DashboardMetrics>>(dashboardMetricsProvider, (
        prev,
        next,
      ) {
        if (next is AsyncData<DashboardMetrics>) {
          completer.complete(next.value);
        }
      }, fireImmediately: true);
      final data = await completer.future;
      expect(data.staffRows.length, 1);
      // since user has no attendance or task data they should default to Off duty
      expect(data.staffRows.first.status.toLowerCase(), contains('off'));
    });
  });

  test(
    'approved leave should force On leave status and not mark Off duty',
    () async {
      AppTime.initialize();
      final now = AppTime.now();
      final profile = Profile(
        id: 'u3',
        fullName: 'Staff Three',
        role: 'it_staff',
        avatarUrl: null,
        allowTracking: false,
      );

      // create a schedule for today
      final schedule = DutySchedule(
        id: 's1',
        userId: profile.id,
        shiftType: 'am',
        startTime: DateTime(now.year, now.month, now.day, 8),
        endTime: DateTime(now.year, now.month, now.day, 16),
        status: 'scheduled',
        createdAt: now,
        checkInAt: null,
        checkInLocation: null,
        relieverIds: [],
      );

      final leave = LeaveOfAbsence(
        id: 'l1',
        userId: profile.id,
        leaveType: 'sick_leave',
        justification: 'ill',
        startTime: now.subtract(const Duration(hours: 1)),
        endTime: now.add(const Duration(hours: 4)),
        status: 'approved',
        filedBy: profile.id,
        createdAt: now,
      );

      final container = ProviderContainer(
        overrides: [
          profilesProvider.overrideWith((ref) => Stream.value([profile])),
          dutySchedulesProvider.overrideWith((ref) => Stream.value([schedule])),
          leavesProvider.overrideWith((ref) => Stream.value([leave])),

          // stub the rest with empties
          ticketsProvider.overrideWith((ref) => Stream.value(const <Ticket>[])),
          tasksProvider.overrideWith((ref) => Stream.value(const <Task>[])),
          taskAssignmentsProvider.overrideWith(
            (ref) => Stream.value(const <TaskAssignment>[]),
          ),
          ticketMessagesAllProvider.overrideWith(
            (ref) => Stream.value(const <TicketMessage>[]),
          ),
          attendanceLogsProvider.overrideWith(
            (ref) => Stream.value(const <AttendanceLog>[]),
          ),
          livePositionsProvider.overrideWith(
            (ref) => Stream.value(const <LivePosition>[]),
          ),
          passSlipsProvider.overrideWithProvider(
            StreamProvider<List<PassSlip>>(
              (ref) => Stream.value(const <PassSlip>[]),
            ),
          ),
          teamsProvider.overrideWithProvider(
            StreamProvider<List<Team>>((ref) => Stream.value(const <Team>[])),
          ),
          teamMembersProvider.overrideWithProvider(
            StreamProvider<List<TeamMember>>(
              (ref) => Stream.value(const <TeamMember>[]),
            ),
          ),
          itServiceRequestsProvider.overrideWith(
            (ref) => Stream.value(const <ItServiceRequest>[]),
          ),
          itServiceRequestAssignmentsProvider.overrideWith(
            (ref) => Stream.value(const <ItServiceRequestAssignment>[]),
          ),
        ],
      );

      final completer = Completer<DashboardMetrics>();
      container.listen<AsyncValue<DashboardMetrics>>(dashboardMetricsProvider, (
        prev,
        next,
      ) {
        if (next is AsyncData<DashboardMetrics>) {
          completer.complete(next.value);
        }
      }, fireImmediately: true);
      final data = await completer.future;
      expect(data.staffRows.length, 1);
      expect(data.staffRows.first.status, equals('On leave'));
    },
  );

  test('rejected leave should not affect schedule status', () async {
    AppTime.initialize();
    final now = AppTime.now();
    final profile = Profile(
      id: 'u4',
      fullName: 'Staff Four',
      role: 'it_staff',
      avatarUrl: null,
      allowTracking: false,
    );

    final schedule = DutySchedule(
      id: 's2',
      userId: profile.id,
      shiftType: 'am',
      startTime: DateTime(now.year, now.month, now.day, 8),
      endTime: DateTime(now.year, now.month, now.day, 16),
      status: 'scheduled',
      createdAt: now,
      checkInAt: null,
      checkInLocation: null,
      relieverIds: [],
    );

    final leave = LeaveOfAbsence(
      id: 'l2',
      userId: profile.id,
      leaveType: 'vacation_leave',
      justification: 'plans',
      startTime: now.subtract(const Duration(hours: 1)),
      endTime: now.add(const Duration(hours: 4)),
      status: 'rejected',
      filedBy: profile.id,
      createdAt: now,
    );

    final container = ProviderContainer(
      overrides: [
        profilesProvider.overrideWith((ref) => Stream.value([profile])),
        dutySchedulesProvider.overrideWith((ref) => Stream.value([schedule])),
        leavesProvider.overrideWith((ref) => Stream.value([leave])),
        ticketsProvider.overrideWith((ref) => Stream.value(const <Ticket>[])),
        tasksProvider.overrideWith((ref) => Stream.value(const <Task>[])),
        taskAssignmentsProvider.overrideWith(
          (ref) => Stream.value(const <TaskAssignment>[]),
        ),
        ticketMessagesAllProvider.overrideWith(
          (ref) => Stream.value(const <TicketMessage>[]),
        ),
        attendanceLogsProvider.overrideWith(
          (ref) => Stream.value(const <AttendanceLog>[]),
        ),
        livePositionsProvider.overrideWith(
          (ref) => Stream.value(const <LivePosition>[]),
        ),
        passSlipsProvider.overrideWithProvider(
          StreamProvider<List<PassSlip>>(
            (ref) => Stream.value(const <PassSlip>[]),
          ),
        ),
        teamsProvider.overrideWithProvider(
          StreamProvider<List<Team>>((ref) => Stream.value(const <Team>[])),
        ),
        teamMembersProvider.overrideWithProvider(
          StreamProvider<List<TeamMember>>(
            (ref) => Stream.value(const <TeamMember>[]),
          ),
        ),
        itServiceRequestsProvider.overrideWith(
          (ref) => Stream.value(const <ItServiceRequest>[]),
        ),
        itServiceRequestAssignmentsProvider.overrideWith(
          (ref) => Stream.value(const <ItServiceRequestAssignment>[]),
        ),
      ],
    );

    final completer = Completer<DashboardMetrics>();
    container.listen<AsyncValue<DashboardMetrics>>(dashboardMetricsProvider, (
      prev,
      next,
    ) {
      if (next is AsyncData<DashboardMetrics>) {
        completer.complete(next.value);
      }
    }, fireImmediately: true);
    final data = await completer.future;
    expect(data.staffRows.length, 1);
    // since leave was rejected, status should not be 'On leave' nor 'Off duty'
    expect(data.staffRows.first.status, isNot('On leave'));
    expect(data.staffRows.first.status.toLowerCase(), isNot(contains('off')));
  });
}