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 }
	};
}