import { apiGet, apiPatch, apiPost } from "./axios";
import type { AxiosResponse } from "axios";
import type { ApiListResponse } from "../types/api";

export interface FinanceItem {
  id: string;
  study_id: string;
  site_id?: string | null;
  subject_id?: string | null;
  visit_id?: string | null;
  category: string;
  title: string;
  description?: string | null;
  currency: string;
  amount: number | string;
  occur_date: string;
  status: string;
  submitted_at?: string | null;
  approved_at?: string | null;
  rejected_at?: string | null;
  paid_at?: string | null;
  approver_id?: string | null;
  payer_id?: string | null;
  reject_reason?: string | null;
  created_by: string;
  created_at: string;
  updated_at?: string | null;
}

export interface FinanceSummary {
  total_amount: number | string;
  approved_amount: number | string;
  paid_amount: number | string;
  submitted_amount?: number | string;
  count_total: number;
  count_paid: number;
}

export const fetchFinanceItems = (
  studyId: string,
  params?: Record<string, any>
): Promise<AxiosResponse<ApiListResponse<FinanceItem>>> =>
  apiGet(`/api/v1/studies/${studyId}/finance/items/`, { params });

export const fetchFinanceItem = (studyId: string, itemId: string) =>
  apiGet<FinanceItem>(`/api/v1/studies/${studyId}/finance/items/${itemId}`);

export const createFinanceItem = (studyId: string, payload: Record<string, any>) =>
  apiPost<FinanceItem>(`/api/v1/studies/${studyId}/finance/items`, payload);

export const updateFinanceItem = (studyId: string, itemId: string, payload: Record<string, any>) =>
  apiPatch<FinanceItem>(`/api/v1/studies/${studyId}/finance/items/${itemId}`, payload);

export const changeFinanceStatus = (
  studyId: string,
  itemId: string,
  payload: { status: string; reject_reason?: string }
) => apiPost<FinanceItem>(`/api/v1/studies/${studyId}/finance/items/${itemId}/status`, payload);

export const fetchFinanceSummary = (studyId: string, params?: Record<string, any>) =>
  apiGet<FinanceSummary | ApiListResponse<FinanceSummary>>(
    `/api/v1/studies/${studyId}/finance/summary`,
    { params }
  );