import { useEffect, useState } from "react";
// when the user first lands on this screen, they are seeing the initial state
// when the user fetches data, they are seeing the loading state
// when the data is returned, they are seeing the loaded state
// when the user updates their search, they still see the loaded state
// when the user fetches data and there is an error, they see the empty state
// when the user fetches data and there is no data, they see the empty state
// when the user resets their from search, they see the initial state
export const usePageState = (swapTransaction, swapError) => {
    const [pageState, setPageState] = useState("initial");
    const fromFieldIsZero = swapTransaction.swap.from.amount?.isZero() ?? true;
    const isDataLoading = swapTransaction.swap.isMaxLoading || swapTransaction.swap.rates.status === "loading";
    useEffect(() => {
        let state;
        if (!fromFieldIsZero && swapTransaction.swap.rates.status === "success") {
            state = "loaded";
        }
        else if (pageState === "loading" &&
            !isDataLoading &&
            swapTransaction.swap.rates.status === "error") {
            state = "initial";
        }
        else if ((pageState === "initial" || pageState === "empty") && isDataLoading) {
            state = "loading";
        }
        else if (swapError && swapError?.message.length === 0 && !isDataLoading) {
            state = "empty";
        }
        else if (fromFieldIsZero && !isDataLoading) {
            state = "initial";
        }
        state && pageState !== state && setPageState(state);
    }, [
        pageState,
        isDataLoading,
        swapTransaction.swap.rates.status,
        swapTransaction.swap.from.amount,
        swapTransaction.swap.isMaxLoading,
        fromFieldIsZero,
        swapError,
    ]);
    return pageState;
};
//# sourceMappingURL=usePageState.js.map