import { Select, Stack, Text, Textarea, TextInput } from "@mantine/core";
import { DateInput } from "@mantine/dates";
import type { FC } from "react";
import { Controller, useFormContext } from "react-hook-form";
import { useTranslation } from "react-i18next";
import {
	type BankOperation,
	bankDateInputValue,
	bankDateSchema,
	bankToday,
} from "@/entities/bank-card";
import { formatMoney } from "@/shared/lib";
import type { OperationValues } from "./OperationForm.types";

type Choice = { value: string; label: string };
type OperationFieldsProps = {
	editing: boolean;
	refundCardId: string;
	kind: OperationValues["kind"];
	cards: Choice[];
	targets: Choice[];
	categories: Choice[];
	defaultCategory: string;
};
const OperationFields: FC<OperationFieldsProps> = (props) => {
	const { t } = useTranslation();
	const {
		control,
		register,
		setValue,
		formState: { errors, isSubmitting },
	} = useFormContext<OperationValues>();
	return (
		<Stack>
			<Controller
				control={control}
				name="kind"
				render={({ field }) => (
					<Select
						label={t("bank.kind")}
						required
						data={(["expense", "topup", "transfer", "refund"] as const).map(
							(value) => ({ value, label: t(`bank.kinds.${value}`) }),
						)}
						{...field}
						disabled={isSubmitting || props.editing}
						onChange={(value) => {
							field.onChange(value ?? "expense");
							if (value === "refund") setValue("cardId", props.refundCardId);
						}}
					/>
				)}
			/>
			<Controller
				control={control}
				name="cardId"
				render={({ field }) => (
					<Select
						label={t(
							props.kind === "transfer" ? "bank.source" : "bank.operationCard",
						)}
						required
						data={props.cards}
						{...field}
						disabled={isSubmitting || props.kind === "refund"}
						error={errors.cardId?.message}
					/>
				)}
			/>
			{props.kind === "transfer" && (
				<Controller
					control={control}
					name="targetCardId"
					render={({ field }) => (
						<Select
							label={t("bank.destination")}
							required
							data={props.targets}
							{...field}
							disabled={isSubmitting}
							error={errors.targetCardId?.message}
						/>
					)}
				/>
			)}
			<TextInput
				label={t("bank.amount")}
				required
				inputMode="decimal"
				{...register("amount")}
				error={errors.amount?.message}
			/>
			<Controller
				control={control}
				name="date"
				render={({ field }) => (
					<DateInput
						{...field}
						label={t("bank.date")}
						required
						valueFormat="DD.MM.YYYY"
						value={
							bankDateSchema.safeParse(field.value).success ? field.value : null
						}
						dateParser={(value) =>
							bankDateSchema.safeParse(bankDateInputValue(value)).success
								? bankDateInputValue(value)
								: null
						}
						fixOnBlur={false}
						onInput={(event) =>
							field.onChange(bankDateInputValue(event.currentTarget.value))
						}
						onChange={(value) => field.onChange(value ?? "")}
						onBlur={(event) => {
							field.onChange(bankDateInputValue(event.currentTarget.value));
							field.onBlur();
						}}
						maxDate={bankToday()}
						popoverProps={{
							withinPortal: false,
							middlewares: { shift: { crossAxis: true } },
						}}
						error={errors.date?.message}
					/>
				)}
			/>
			{props.kind === "expense" && (
				<Controller
					control={control}
					name="categoryId"
					render={({ field }) => (
						<Select
							label={t("bank.category")}
							required
							data={props.categories}
							{...field}
							value={field.value || props.defaultCategory}
							disabled={isSubmitting}
							error={errors.categoryId?.message}
						/>
					)}
				/>
			)}
			<Textarea
				label={t("bank.description")}
				{...register("description")}
				error={errors.description?.message}
			/>
		</Stack>
	);
};
type RefundFieldsProps = {
	editing: boolean;
	expenses: Choice[];
	selected?: Choice;
	onSelect: (id: string) => void;
	limit: BankOperation["availableRefund"] | undefined;
};
const RefundFields: FC<RefundFieldsProps> = (props) => {
	const { t } = useTranslation();
	const {
		control,
		formState: { errors, isSubmitting },
	} = useFormContext<OperationValues>();
	return (
		<Stack>
			<Controller
				control={control}
				name="originalExpenseId"
				render={({ field }) => (
					<Select
						label={t("bank.expense")}
						required
						data={
							props.selected &&
							!props.expenses.some(
								(item) => item.value === props.selected?.value,
							)
								? [props.selected, ...props.expenses]
								: props.expenses
						}
						{...field}
						onChange={(value) => {
							field.onChange(value ?? "");
							props.onSelect(value ?? "");
						}}
						disabled={isSubmitting || props.editing}
						error={errors.originalExpenseId?.message}
					/>
				)}
			/>
			{props.limit && (
				<Text>
					{t("bank.availableRefund", { amount: formatMoney(props.limit) })}
				</Text>
			)}
			{props.editing && <Text>{t("bank.purchaseImmutable")}</Text>}
		</Stack>
	);
};

export { OperationFields, RefundFields };