import * as types from "constants/action_types";
import lbry from "lbry";
import {
  selectDraftTransaction,
  selectDraftTransactionAmount,
  selectBalance,
} from "selectors/wallet";
import { doOpenModal } from "actions/app";

export function doUpdateBalance(balance) {
  return {
    type: types.UPDATE_BALANCE,
    data: {
      balance: balance,
    },
  };
}

export function doFetchTransactions() {
  return function(dispatch, getState) {
    dispatch({
      type: types.FETCH_TRANSACTIONS_STARTED,
    });

    lbry.call("transaction_list", {}, results => {
      dispatch({
        type: types.FETCH_TRANSACTIONS_COMPLETED,
        data: {
          transactions: results,
        },
      });
    });
  };
}

export function doGetNewAddress() {
  return function(dispatch, getState) {
    dispatch({
      type: types.GET_NEW_ADDRESS_STARTED,
    });

    lbry.wallet_new_address().then(function(address) {
      localStorage.setItem("wallet_address", address);
      dispatch({
        type: types.GET_NEW_ADDRESS_COMPLETED,
        data: { address },
      });
    });
  };
}

export function doCheckAddressIsMine(address) {
  return function(dispatch, getState) {
    dispatch({
      type: types.CHECK_ADDRESS_IS_MINE_STARTED,
    });

    lbry.checkAddressIsMine(address, isMine => {
      if (!isMine) dispatch(doGetNewAddress());

      dispatch({
        type: types.CHECK_ADDRESS_IS_MINE_COMPLETED,
      });
    });
  };
}

export function doSendDraftTransaction() {
  return function(dispatch, getState) {
    const state = getState();
    const draftTx = selectDraftTransaction(state);
    const balance = selectBalance(state);
    const amount = selectDraftTransactionAmount(state);

    if (balance - amount < 1) {
      return dispatch(doOpenModal("insufficientBalance"));
    }

    dispatch({
      type: types.SEND_TRANSACTION_STARTED,
    });

    const successCallback = results => {
      if (results === true) {
        dispatch({
          type: types.SEND_TRANSACTION_COMPLETED,
        });
        dispatch(doOpenModal("transactionSuccessful"));
      } else {
        dispatch({
          type: types.SEND_TRANSACTION_FAILED,
          data: { error: results },
        });
        dispatch(doOpenModal("transactionFailed"));
      }
    };

    const errorCallback = error => {
      dispatch({
        type: types.SEND_TRANSACTION_FAILED,
        data: { error: error.message },
      });
      dispatch(doOpenModal("transactionFailed"));
    };

    lbry.sendToAddress(
      draftTx.amount,
      draftTx.address,
      successCallback,
      errorCallback
    );
  };
}

export function doSetDraftTransactionAmount(amount) {
  return {
    type: types.SET_DRAFT_TRANSACTION_AMOUNT,
    data: { amount },
  };
}

export function doSetDraftTransactionAddress(address) {
  return {
    type: types.SET_DRAFT_TRANSACTION_ADDRESS,
    data: { address },
  };
}