import apiClient from './client';

export type PricingMode = 'UnitPrice' | 'TotalPrice' | 'Both';
export type LineItemSource = 'AI' | 'Vendor' | 'Manual' | 'Historical';

export interface LineItem {
  id: string;
  proposalId: string;
  description: string;
  quantity: number;
  unit: string;
  unitPrice: number | null;
  totalPrice: number;
  pricingMode: PricingMode;
  sortOrder: number;
  source: LineItemSource;
  createdAt: string;
  updatedAt: string;
}

export interface CreateLineItemRequest {
  description: string;
  quantity: number;
  unit: string;
  unitPrice: number | null;
  totalPrice: number;
  pricingMode: PricingMode;
  sortOrder: number;
  source: LineItemSource;
}

export interface UpdateLineItemEntry {
  id: string | null;
  description: string;
  quantity: number;
  unit: string;
  unitPrice: number | null;
  totalPrice: number;
  pricingMode: PricingMode;
  sortOrder: number;
  source: LineItemSource;
}

export const lineItemsApi = {
  getAll: async (proposalId: string): Promise<LineItem[]> => {
    const res = await apiClient.get(`/proposals/${proposalId}/line-items`);
    return res.data;
  },

  create: async (proposalId: string, data: CreateLineItemRequest): Promise<LineItem> => {
    const res = await apiClient.post(`/proposals/${proposalId}/line-items`, data);
    return res.data;
  },

  bulkUpdate: async (proposalId: string, lineItems: UpdateLineItemEntry[]): Promise<LineItem[]> => {
    const res = await apiClient.put(`/proposals/${proposalId}/line-items`, { lineItems });
    return res.data;
  },

  delete: async (proposalId: string, itemId: string): Promise<void> => {
    await apiClient.delete(`/proposals/${proposalId}/line-items/${itemId}`);
  },
};