import { API_BASE_URL, apiFormRequest, apiRequest } from "@/lib/api";

export type Holiday = {
  id: string;
  name: string;
  date: string;
  type: string;
  source: string;
};

export type CustomDate = {
  id: string;
  client_id: string | null;
  name: string;
  description: string;
  date: string;
  recurs_annually: boolean;
  visibility: "agency" | "client";
  category: string;
  created_at: string;
  updated_at: string;
};

export type CalendarItem = {
  id: string;
  client_id: string;
  client_name: string;
  title: string;
  description: string;
  content_type: string;
  status: "rascunho" | "planejado" | "em_producao" | "em_revisao" | "aprovado" | "publicado" | "cancelado";
  owner_id: string | null;
  scheduled_date: string;
  scheduled_at: string | null;
  copy_text: string;
  internal_notes: string;
  client_notes: string;
  created_at: string;
  updated_at: string;
};

export type Attachment = {
  id: string;
  calendar_item_id: string;
  original_filename: string;
  stored_filename: string;
  mime_type: string;
  size_bytes: number;
  storage_driver: string;
  created_by: string | null;
  created_at: string;
};

export type CreateCustomDateInput = {
  client_id?: string;
  name: string;
  description?: string;
  date: string;
  recurs_annually: boolean;
  visibility: "agency" | "client";
  category: string;
};

export type UpdateCustomDateInput = {
  client_id?: string;
  name: string;
  description?: string;
  date: string;
  recurs_annually: boolean;
  visibility: "agency" | "client";
};

export type CreateCalendarItemInput = {
  client_id: string;
  title: string;
  description?: string;
  content_type: string;
  status: CalendarItem["status"];
  scheduled_date: string;
  copy_text?: string;
  internal_notes?: string;
  client_notes?: string;
};

export type UpdateCalendarItemInput = Partial<{
  title: string;
  description: string;
  status: CalendarItem["status"];
  scheduled_date: string;
  copy_text: string;
  internal_notes: string;
  client_notes: string;
}>;

type HolidaysResponse = {
  holidays: Holiday[];
};

type CustomDatesResponse = {
  custom_dates: CustomDate[];
};

type CustomDateResponse = {
  custom_date: CustomDate;
};

type CalendarItemsResponse = {
  items: CalendarItem[];
};

type CalendarItemResponse = {
  item: CalendarItem;
};

type AttachmentsResponse = {
  attachments: Attachment[];
};

type AttachmentResponse = {
  attachment: Attachment;
};

export async function listHolidays(token: string, year: number) {
  const response = await apiRequest<HolidaysResponse>(`/calendar/holidays?year=${year}`, {
    method: "GET",
    token,
  });

  return response.holidays;
}

export async function listCustomDates(token: string, year: number, clientId?: string | null) {
  const params = new URLSearchParams({ year: String(year) });
  if (clientId) {
    params.set("client_id", clientId);
  }

  const response = await apiRequest<CustomDatesResponse>(`/calendar/custom-dates?${params.toString()}`, {
    method: "GET",
    token,
  });

  return response.custom_dates;
}

export async function createCustomDate(token: string, input: CreateCustomDateInput) {
  const response = await apiRequest<CustomDateResponse>("/calendar/custom-dates", {
    method: "POST",
    token,
    body: JSON.stringify(input),
  });

  return response.custom_date;
}

export async function updateCustomDate(token: string, customDateId: string, input: UpdateCustomDateInput) {
  const response = await apiRequest<CustomDateResponse>(`/calendar/custom-dates/${customDateId}`, {
    method: "PATCH",
    token,
    body: JSON.stringify(input),
  });

  return response.custom_date;
}

export async function deleteCustomDate(token: string, customDateId: string) {
  await apiRequest<{ message: string }>(`/calendar/custom-dates/${customDateId}`, {
    method: "DELETE",
    token,
  });
}

export async function listCalendarItems(token: string, year: number, clientId?: string | null) {
  const params = new URLSearchParams({ year: String(year) });
  if (clientId) {
    params.set("client_id", clientId);
  }

  const response = await apiRequest<CalendarItemsResponse>(`/calendar/items?${params.toString()}`, {
    method: "GET",
    token,
  });

  return response.items;
}

export async function listCalendarItemsByRange(token: string, from: string, to: string, clientId?: string | null) {
  const params = new URLSearchParams({ from, to });
  if (clientId) {
    params.set("client_id", clientId);
  }

  const response = await apiRequest<CalendarItemsResponse>(`/calendar/items?${params.toString()}`, {
    method: "GET",
    token,
  });

  return response.items;
}

export async function createCalendarItem(token: string, input: CreateCalendarItemInput) {
  const response = await apiRequest<CalendarItemResponse>("/calendar/items", {
    method: "POST",
    token,
    body: JSON.stringify(input),
  });

  return response.item;
}

export async function getCalendarItem(token: string, itemId: string) {
  const response = await apiRequest<CalendarItemResponse>(`/calendar/items/${itemId}`, {
    method: "GET",
    token,
  });

  return response.item;
}

export async function updateCalendarItem(token: string, itemId: string, input: UpdateCalendarItemInput) {
  const response = await apiRequest<CalendarItemResponse>(`/calendar/items/${itemId}`, {
    method: "PATCH",
    token,
    body: JSON.stringify(input),
  });

  return response.item;
}

export async function cancelCalendarItem(token: string, itemId: string) {
  await apiRequest<{ message: string }>(`/calendar/items/${itemId}`, {
    method: "DELETE",
    token,
  });
}

export async function listAttachments(token: string, itemId: string) {
  const response = await apiRequest<AttachmentsResponse>(`/calendar/items/${itemId}/attachments`, {
    method: "GET",
    token,
  });

  return response.attachments;
}

export async function uploadAttachment(token: string, itemId: string, file: File) {
  const formData = new FormData();
  formData.set("file", file);

  const response = await apiFormRequest<AttachmentResponse>(`/calendar/items/${itemId}/attachments`, formData, token);
  return response.attachment;
}

export function attachmentDownloadURL(attachmentId: string) {
  return `${API_BASE_URL}/calendar/attachments/${attachmentId}/download`;
}