import {
  FeedScheduleRecommendation,
  FeedingEvent,
  ConsumptionPatternPoint,
  ScheduleInfluencingFactors,
} from '../types';
import { initialUsers, initialRoles } from './accessManagementData.ts';

const operatorRoleId = initialRoles.find((r) => r.name === 'Operator')?.id;
const operators = operatorRoleId ? initialUsers.filter((u) => u.roleId === operatorRoleId) : [];

export const initialFeedSchedule: FeedScheduleRecommendation = {
  nextFeedingTime: new Date(Date.now() + 2 * 60 * 60 * 1000), // in 2 hours
  lastFeedingTime: new Date(Date.now() - 3 * 60 * 60 * 1000), // 3 hours ago
  reason: 'Jadwal dimundurkan untuk menghindari stres panas akibat suhu tinggi pada siang hari.',
};

export const initialFeedingEvents: FeedingEvent[] = (() => {
  const events: FeedingEvent[] = [];
  const now = new Date();
  const startOfMonth = new Date(now.getFullYear(), now.getMonth(), 1);

  for (let day = 0; day < 30; day++) {
    const currentDate = new Date(startOfMonth);
    currentDate.setDate(startOfMonth.getDate() + day);

    // Add 4 feeding events per day at different times
    const feedingTimes = [8, 12, 16, 20];
    feedingTimes.forEach((hour, index) => {
      const eventTime = new Date(currentDate);
      eventTime.setHours(hour, 0, 0, 0);

      if (eventTime > new Date(now.getTime() + 3 * 24 * 60 * 60 * 1000)) {
        return; // Don't generate events too far in the future
      }

      let status: 'completed' | 'upcoming' | 'skipped' = 'upcoming';
      if (eventTime < now) {
        status = Math.random() < 0.05 ? 'skipped' : 'completed';
      }

      const type: 'AI Recommended' | 'Manual' = Math.random() < 0.3 ? 'AI Recommended' : 'Manual';

      const operator = operators[Math.floor(Math.random() * operators.length)] ?? {
        id: 'user-3',
        name: 'Siti Aminah',
      };
      const quantityKg = 250 + Math.floor(Math.random() * 100);

      events.push({
        id: `event-${day}-${index}`,
        time: eventTime,
        type: status === 'skipped' ? 'Skipped' : type,
        status,
        operatorId: operator.id,
        operatorName: operator.name,
        feedType: 'CP 511 Bravo',
        quantityKg: quantityKg,
        quantitySacks: Math.round(quantityKg / 50),
      });
    });
  }

  // Ensure the next upcoming event matches the recommendation
  const nextUpcoming = events.find((e) => e.status === 'upcoming');
  if (nextUpcoming) {
    nextUpcoming.time = initialFeedSchedule.nextFeedingTime;
    nextUpcoming.type = 'AI Recommended';
  }

  return events;
})();

export const initialConsumptionPattern: ConsumptionPatternPoint[] = Array.from(
  { length: 24 },
  (_, i) => {
    const isFeedingHour = [8, 12, 16, 20].includes(i);
    const predicted = 1 + Math.sin((i - 6) / 4) * 3 + (isFeedingHour ? 5 : 0) + Math.random();
    const actual = i < new Date().getHours() ? predicted - 0.5 + Math.random() * 1.5 : null;

    return {
      hour: i,
      predicted: Math.max(0, predicted),
      actual: actual ? Math.max(0, actual) : null,
    };
  }
);

export const initialScheduleFactors: ScheduleInfluencingFactors = {
  temperature: { value: 31.8, unit: '°C', status: 'warning' },
  humidity: { value: 78, unit: '%', status: 'warning' },
  activityLevel: { value: 65, unit: '%', status: 'ok' },
};