import type { FC } from "react";

import {
	ActionIcon,
	Button,
	Group,
	Paper,
	SimpleGrid,
	Skeleton,
	Stack,
	Switch,
	Title,
} from "@mantine/core";
import { AddIcon, CategoriesIcon } from "@wealthledger/icons";
import { LoadingSkeleton, StateView } from "@wealthledger/ui";
import { useTranslation } from "react-i18next";
import { Link } from "react-router";

import {
	BankCardFace,
	BankFeedback,
	BankPeriodPicker,
	BankSummaryView,
} from "@/entities/bank-card";

import type { CardsPageVm } from "./CardsPage.vm";

import classes from "./CardsPage.module.css";

type CardsPageViewProps = { vm: CardsPageVm };

const CardsPageViewCards: FC<CardsPageViewProps> = (props) => {
	const { t } = useTranslation();
	const { vm } = props;

	if (vm.items) {
		if (vm.items.length > 0) {
			return (
				<SimpleGrid cols={{ base: 1, sm: 2 }}>
					{vm.items.map(card => (
						<Paper
							className={classes.card}
							component={Link}
							key={card.id}
							p={0}
							to={card.to}
						>
							<BankCardFace card={card} />
						</Paper>
					))}
				</SimpleGrid>
			);
		}

		if (!vm.cards.error) {
			const text = t(vm.archive ? "bank.emptyHint" : "bank.noActive");

			return (
				<StateView
					action={<Button onClick={vm.onAddCard}>{t("bank.addCard")}</Button>}
					text={text}
					title={t("bank.empty")}
				/>
			);
		}
	}

	if (vm.cards.isLoading) {
		return (
			<LoadingSkeleton label={t("bank.loading")}>
				<SimpleGrid cols={{ base: 1, sm: 2 }}>
					<Skeleton h={250} />

					<Skeleton h={250} />
				</SimpleGrid>
			</LoadingSkeleton>
		);
	}

	return null;
};

const CardsPageView: FC<CardsPageViewProps> = (props) => {
	const { vm } = props;
	const { t } = useTranslation();

	return (
		<Stack gap="lg">
			<Group gap="sm">
				<Title order={1}>{t("bank.title")}</Title>

				<ActionIcon
					aria-label={t("bank.addCard")}
					onClick={vm.onAddCard}
					size="lg"
					title={t("bank.addCard")}
					variant="light"
				>
					<AddIcon size={20} strokeWidth={2} />
				</ActionIcon>
			</Group>

			<Switch
				checked={vm.archive}
				label={t("bank.showArchive")}
				onChange={vm.onArchiveChange}
			/>

			{vm.cards.error && (
				<BankFeedback
					cached={Boolean(vm.cards.data)}
					error={vm.cards.error}
					loadingError={!vm.cards.data}
					retry={vm.retryCards}
				/>
			)}

			<CardsPageViewCards {...props} />

			<Group align="flex-end" justify="space-between">
				<BankPeriodPicker onChange={vm.setPeriod} period={vm.period} />

				{Boolean(vm.categories.data?.length || vm.cards.data?.length) && (
					<Button
						color="gray"
						leftSection={<CategoriesIcon size={18} strokeWidth="1.7" />}
						onClick={vm.onCategories}
						variant="subtle"
					>
						{t("bank.categories")}
					</Button>
				)}
			</Group>

			<BankSummaryView
				all
				data={vm.summary.data}
				error={vm.summary.error}
				fetching={vm.summary.isFetching}
				loading={vm.summary.isLoading}
				retry={vm.retrySummary}
			/>
		</Stack>
	);
};

export { CardsPageView };