import {
	Alert,
	Group,
	SegmentedControl,
	Stack,
	Tabs,
	Text,
} from "@mantine/core";
import { type FC, useState } from "react";
import { useTranslation } from "react-i18next";

import type { BrokerageAccount } from "@/entities/brokerage-account";
import type { Portfolio } from "@/entities/portfolio";
import type { InvestmentResourceMeta } from "@/shared/api";

import { BrokerageEventsPreview } from "@/entities/brokerage-event";
import { formatMoney } from "@/shared/lib";
import { SourceSyncStatus } from "@/shared/ui";
import { PortfolioStructure } from "@/widgets/portfolio-structure";

import type { Concentration as ConcentrationModel, Slice } from "../../../model/concentration";
import type { AccountPagePositionSection } from "../../../model/positions";
import type {
	AccountPageIncomeSummary,
	AccountPageRecentEvents,
	AccountPageRecentOperations,
} from "../../../model/previews";

import classes from "../AccountPage.module.css";
import { AccountHeading } from "./AccountHeading.view";
import { Concentration } from "./Concentration/Concentration.view";
import { CurrencyCards } from "./CurrencyCards/CurrencyCards.view";
import { IncomeSummary } from "./IncomeSummary.view";
import { PositionSection } from "./PositionSection.view";
import { RecentOperations } from "./RecentOperations.view";

type AccountPageLoadedProps = {
	account?: BrokerageAccount;
	accountId?: string;
	concentration: ConcentrationModel | null;
	currency: null | string;
	incomeSummary?: AccountPageIncomeSummary;
	onCurrencyChange: (currency: null | string) => void;
	onSliceChange: (slice: Slice) => void;
	onTabChange: (tab: null | string) => void;
	partial?: boolean;
	portfolio: Portfolio;
	positionSections: AccountPagePositionSection[];
	recentEvents: AccountPageRecentEvents;
	recentOperations: AccountPageRecentOperations;
	slice: Slice;
	source?: InvestmentResourceMeta;
	tab: string;
	unrealizedReturns: Portfolio["totalsByCurrency"];
};

const AccountPageLoaded: FC<AccountPageLoadedProps> = (props) => {
	const { t } = useTranslation();
	const [filter, setFilter] = useState<string>();
	const tab = props.tab;

	const onTabChange = props.onTabChange;

	const activeSection = props.positionSections.find(
		section => section.kind === filter,
	) ?? props.positionSections[0];

	const positionKindLabels: Record<AccountPagePositionSection["kind"], string> = {
		bonds: t("portfolio.positionKinds.bonds"),
		other: t("portfolio.positionKinds.other"),
		stocks: t("portfolio.positionKinds.stocks"),
	};

	const filterOptions = props.positionSections.map(section => ({
		label: positionKindLabels[section.kind],
		value: section.kind,
	}));

	return (
		<Stack gap="lg">
			<AccountHeading account={props.account} accountId={props.accountId} />

			<SourceSyncStatus
				lastAttempt={props.source?.lastAttempt}
				lastSuccessfulAt={props.source?.lastSuccessfulAt}
				stale={props.source?.freshness === "stale"}
			/>

			{props.partial
				? tab !== "concentration" && (
					<Alert role="status">{t("investment.partial")}</Alert>
				)
				: <CurrencyCards amounts={props.portfolio.totalsByCurrency} />}

			{!props.partial && props.unrealizedReturns.length > 0 && (
				<Stack
					aria-label={t("portfolio.unrealizedResult")}
					component="section"
					gap={4}
				>
					<Text fw={600}>{t("portfolio.unrealizedResult")}</Text>

					<Group gap="md">
						{props.unrealizedReturns.map(total => (
							<Text key={total.currency}>{formatMoney(total)}</Text>
						))}
					</Group>

					<Text c="dimmed" size="xs">
						{t("portfolio.unrealizedResultCaption")}
					</Text>
				</Stack>
			)}

			{!props.partial && (
				<PortfolioStructure
					key={props.accountId}
					structure={props.portfolio.structure}
				/>
			)}

			<Tabs
				classNames={{ list: classes.tabsList }}
				keepMounted={false}
				onChange={onTabChange}
				value={tab}
			>
				<Tabs.List aria-label={t("portfolio.sections")} mb="md">
					<Tabs.Tab value="positions">
						{t("portfolio.tabs.positions")}
					</Tabs.Tab>

					{props.accountId !== "all" && (
						<Tabs.Tab value="concentration">
							{t("portfolio.concentration.title")}
						</Tabs.Tab>
					)}

					<Tabs.Tab value="cash">{t("portfolio.tabs.cash")}</Tabs.Tab>

					<Tabs.Tab value="operations">
						{t("portfolio.tabs.operations")}
					</Tabs.Tab>

					<Tabs.Tab value="events">{t("portfolio.tabs.events")}</Tabs.Tab>

					<Tabs.Tab value="income">{t("portfolio.tabs.income")}</Tabs.Tab>
				</Tabs.List>

				<Tabs.Panel value="positions">
					<Stack gap="md">
						{props.positionSections.length > 1 && (
							<div className={classes.positionFilter}>
								<SegmentedControl
									aria-label={t("portfolio.positionFilter")}
									data={filterOptions}
									onChange={setFilter}
									value={activeSection?.kind}
								/>
							</div>
						)}

						{activeSection && <PositionSection section={activeSection} />}
					</Stack>
				</Tabs.Panel>

				{props.accountId !== "all" && (
					<Tabs.Panel value="concentration">
						{props.concentration && (
							<Concentration
								currency={props.currency}
								key={`${props.slice}-${props.currency}`}
								model={props.concentration}
								onCurrencyChange={props.onCurrencyChange}
								onSliceChange={props.onSliceChange}
								partial={!!props.partial}
								slice={props.slice}
							/>
						)}
					</Tabs.Panel>
				)}

				<Tabs.Panel value="cash">
					<CurrencyCards amounts={props.portfolio.cashBalances} />
				</Tabs.Panel>

				<Tabs.Panel value="operations">
					<RecentOperations
						allAccounts={props.accountId === "all"}
						moreLabel={t("portfolio.more")}
						operations={props.recentOperations}
					/>
				</Tabs.Panel>

				<Tabs.Panel value="events">
					<BrokerageEventsPreview
						allAccounts={props.accountId === "all"}
						events={props.recentEvents}
						moreLabel={t("portfolio.more")}
					/>
				</Tabs.Panel>

				<Tabs.Panel value="income">
					{!!props.incomeSummary && (
						<IncomeSummary
							{...props.incomeSummary}
							moreLabel={t("portfolio.more")}
						/>
					)}
				</Tabs.Panel>
			</Tabs>
		</Stack>
	);
};

export { AccountPageLoaded };