import { score } from "fuzzaldrin";
import { IntlShape } from "react-intl";

import { categoryAddUrl } from "@saleor/categories/urls";
import { collectionAddUrl } from "@saleor/collections/urls";
import { customerAddUrl } from "@saleor/customers/urls";
import { voucherAddUrl } from "@saleor/discounts/urls";
import { UseNavigatorResult } from "@saleor/hooks/useNavigator";
import { OrderDraftCreate } from "@saleor/orders/types/OrderDraftCreate";
import { productAddUrl } from "@saleor/products/urls";
import { MutationFunction } from "react-apollo";
import { QuickSearchActionInput, QuickSearchMode } from "../../types";
import messages from "../messages";
import { sortScores } from "../utils";

const threshold = 0.05;
const maxActions = 5;

interface Command {
  label: string;
  onClick: () => boolean;
}
export function searchInCommands(
  search: string,
  intl: IntlShape,
  navigate: UseNavigatorResult,
  createOrder: MutationFunction<OrderDraftCreate, {}>,
  setMode: (mode: QuickSearchMode) => void
): QuickSearchActionInput[] {
  const actions: Command[] = [
    {
      label: intl.formatMessage(messages.createCategory),
      onClick: () => {
        navigate(categoryAddUrl());
        return false;
      }
    },
    {
      label: intl.formatMessage(messages.createCollection),
      onClick: () => {
        navigate(collectionAddUrl);
        return false;
      }
    },
    {
      label: intl.formatMessage(messages.createProduct),
      onClick: () => {
        navigate(productAddUrl);
        return false;
      }
    },
    {
      label: intl.formatMessage(messages.createCustomer),
      onClick: () => {
        navigate(customerAddUrl);
        return false;
      }
    },
    {
      label: intl.formatMessage(messages.createVoucher),
      onClick: () => {
        navigate(voucherAddUrl);
        return false;
      }
    },
    {
      label: intl.formatMessage(messages.createOrder),
      onClick: () => {
        createOrder();
        return false;
      }
    },
    {
      label: intl.formatMessage(messages.helpMode),
      onClick: () => {
        setMode("help");
        return true;
      }
    }
  ];

  return actions.map(action => ({
    label: action.label,
    onClick: action.onClick,
    score: score(action.label, search),
    text: action.label,
    type: "action"
  }));
}

function getCommandModeActions(
  query: string,
  intl: IntlShape,
  navigate: UseNavigatorResult,
  createOrder: MutationFunction<OrderDraftCreate, {}>,
  setMode: (mode: QuickSearchMode) => void
): QuickSearchActionInput[] {
  return [...searchInCommands(query, intl, navigate, createOrder, setMode)]
    .filter(action => action.score >= threshold)
    .sort(sortScores)
    .slice(0, maxActions);
}

export default getCommandModeActions;