import { get, post } from "../../apiUtil";
import { API_URL } from "../../constants";

// Fetch events for calendar view (with date range)
export async function fetchEventsForCalendar(start, end) {
  const params = new URLSearchParams();
  if (start) params.append("start", start.toISOString());
  if (end) params.append("end", end.toISOString());
  
  const response = await get(`${API_URL}/Calendar/GetEventsForCalendar?${params.toString()}`);
  return response?.data || response?.Data || [];
}

// Fetch events with pagination
export async function fetchEventsPaged({ search = "", page = 1, pageSize = 12 }) {
  const params = new URLSearchParams();
  if (search) params.append("search", search);
  params.append("page", page.toString());
  params.append("pageSize", pageSize.toString());

  const response = await get(`${API_URL}/Calendar/GetEventList?${params.toString()}`);

  const data = response?.data || response?.Data || {};
  return {
    rows: data.rows || [],
    totalCount: data.totalCount || 0,
  };
}

// Get single event by ID
export async function getEventById(id) {
  const response = await get(`${API_URL}/Calendar/GetEventById/${id}`);
  const event = response?.data || response?.Data;
  
  // Handle both camelCase and PascalCase
  if (event) {
    return {
      id: event.id || event.Id,
      title: event.title || event.Title || "",
      description: event.description || event.Description || "",
      location: event.location || event.Location || "",
      recordID: event.recordID || event.RecordID || null,
      recordName: event.recordName || event.RecordName || "",
      recordTargetType: event.recordTargetType || event.RecordTargetType || "",
      reminderMinutes: event.reminderMinutes || event.ReminderMinutes || 15,
      eventColor: event.eventColor || event.EventColor || "primary",
      startDate: event.startDate || event.StartDate || "",
      startTime: event.startTime || event.StartTime || "",
      endDate: event.endDate || event.EndDate || "",
      endTime: event.endTime || event.EndTime || "",
      allDay: event.allDay || event.AllDay || false,
    };
  }
  return null;
}

// Create new event
export async function addEvent(eventData) {
  const response = await post(`${API_URL}/Calendar/AddEvent`, {
    Title: eventData.title,
    Description: eventData.description,
    Location: eventData.location,
    RecordID: eventData.recordID,
    RecordName: eventData.recordName,
    RecordTargetType: eventData.recordTargetType,
    ReminderMinutes: eventData.reminderMinutes,
    EventColor: eventData.eventColor,
    StartDate: eventData.startDate,
    StartTime: eventData.startTime,
    EndDate: eventData.endDate,
    EndTime: eventData.endTime,
    AllDay: eventData.allDay,
  });
  return response;
}

// Update existing event
export async function editEvent(eventData) {
  const response = await post(`${API_URL}/Calendar/EditEvent`, {
    Id: eventData.id,
    Title: eventData.title,
    Description: eventData.description,
    Location: eventData.location,
    RecordID: eventData.recordID,
    RecordName: eventData.recordName,
    RecordTargetType: eventData.recordTargetType,
    ReminderMinutes: eventData.reminderMinutes,
    EventColor: eventData.eventColor,
    StartDate: eventData.startDate,
    StartTime: eventData.startTime,
    EndDate: eventData.endDate,
    EndTime: eventData.endTime,
    AllDay: eventData.allDay,
  });
  return response;
}

// Delete event
export async function deleteEvent(id) {
  const response = await fetch(`${API_URL}/Calendar/DeleteEvent/${id}`, {
    method: "DELETE",
    headers: {
      "Content-Type": "application/json",
      Authorization: `Bearer ${localStorage.getItem("token")}`,
    },
  });

  if (!response.ok) {
    throw new Error("Failed to delete event");
  }

  return response.json();
}