"use client";

import { TrashIcon } from "@heroicons/react/24/outline";
import { FC } from "react";
import { BillingLocation, YearMonth } from "../lib/db-types";
import { updateOrAddLocation } from "../lib/actions/locationActions";
import { useFormState } from "react-dom";
import Link from "next/link";
import { useLocale, useTranslations } from "next-intl";

export type LocationEditFormProps = {
    /** location which should be edited */
    location: BillingLocation,
    /** year adn month at a new billing location should be assigned */
    yearMonth?: undefined
} | {
    /** location which should be edited */
    location?: undefined,
    /** year adn month at a new billing location should be assigned */
    yearMonth: YearMonth
}

export const LocationEditForm:FC<LocationEditFormProps> = ({ location, yearMonth }) =>
{
    const initialState = { message: null, errors: {} };
    const handleAction = updateOrAddLocation.bind(null, location?._id, location?.yearMonth ?? yearMonth);
    const [ state, dispatch ] = useFormState(handleAction, initialState);
    const t = useTranslations("location-edit-form");
    const locale = useLocale();

    let { year, month } = location ? location.yearMonth : yearMonth;

    return(
        <div className="card card-compact card-bordered min-w-[20em] max-w-[90em] bg-base-100 shadow-s my-1">
            <div className="card-body">
                <form action={dispatch}>
                    {
                        location && 
                            <Link href={`/${locale}/location/${location._id}/delete`} className="absolute bottom-5 right-4 tooltip" data-tip={t("delete-tooltip")}>
                                <TrashIcon className="h-[1em] w-[1em] text-error text-2xl" />
                            </Link>
                    }
                    <input id="locationName" name="locationName" type="text" placeholder={t("location-name-placeholder")} className="input input-bordered w-full" defaultValue={location?.name ?? ""} />
                    <div id="status-error" aria-live="polite" aria-atomic="true">
                        {state.errors?.locationName &&
                        state.errors.locationName.map((error: string) => (
                            <p className="mt-2 text-sm text-red-500" key={error}>
                            {error}
                            </p>
                        ))}
                    </div>

                    <textarea id="locationNotes" name="locationNotes" className="textarea textarea-bordered my-1 w-full block h-[8em]" placeholder={t("notes-placeholder")} defaultValue={location?.notes ?? ""}></textarea>
                    <div id="status-error" aria-live="polite" aria-atomic="true">
                        {state.errors?.locationNotes &&
                        state.errors.locationNotes.map((error: string) => (
                            <p className="mt-2 text-sm text-red-500" key={error}>
                            {error}
                            </p>
                        ))}
                    </div>

                    {/* Show different options for add vs edit operations */}
                    {!location ? (
                        <div className="form-control">
                            <label className="label cursor-pointer">
                                <span className="label-text">{t("add-to-subsequent-months")}</span> 
                                <input type="checkbox" name="addToSubsequentMonths" className="toggle toggle-primary" />
                            </label>
                        </div>
                    ) : (
                        <div className="form-control">
                            <div className="label">
                                <span className="label-text font-medium">{t("update-scope")}</span>
                            </div>
                            <div className="flex flex-col gap-1 ml-4">
                                <label className="label cursor-pointer justify-start gap-3 py-1">
                                    <input type="radio" name="updateScope" value="current" className="radio radio-primary" defaultChecked />
                                    <span className="label-text">{t("update-current-month")}</span>
                                </label>
                                <label className="label cursor-pointer justify-start gap-3 py-1">
                                    <input type="radio" name="updateScope" value="subsequent" className="radio radio-primary" />
                                    <span className="label-text">{t("update-subsequent-months")}</span>
                                </label>
                                <label className="label cursor-pointer justify-start gap-3 py-1">
                                    <input type="radio" name="updateScope" value="all" className="radio radio-primary" />
                                    <span className="label-text">{t("update-all-months")}</span>
                                </label>
                            </div>
                        </div>
                    )}

                    <div id="status-error" aria-live="polite" aria-atomic="true">
                        {
                            state.message &&
                                <p className="mt-2 text-sm text-red-500">
                                    {state.message}
                                </p>
                        }
                    </div>
                    <div className="pt-4">
                        <button className="btn btn-primary w-[5.5em]">{t("save-button")}</button>
                        <Link className="btn btn-neutral w-[5.5em] ml-3" href={`/?year=${year}&month=${month}`}>{t("cancel-button")}</Link>
                    </div>
                </form>
            </div>
        </div>
    )
}

export const LocationEditFormSkeleton:FC = () =>
{
    return(
        <div className="card card-compact card-bordered min-w-[20em] max-w-[90em] bg-base-100 shadow-s my-1">
            <div className="card-body">
                <div id="locationName" className="input w-full skeleton"></div>
                <div id="locationNotes" className="textarea my-1 w-full block h-[8em] skeleton"></div>
                <div className="pt-4">
                    <div className="btn w-[5.5em] skeleton"></div>
                    <div className="btn w-[5.5em] ml-3 skeleton"></div>
                </div>
            </div>
        </div>
    )
}
