"use client";

import { RiLineChartLine } from "@remixicon/react";
import { Bar, BarChart, CartesianGrid, XAxis } from "recharts";
import { CardContent } from "@/components/ui/card";
import {
	type ChartConfig,
	ChartContainer,
	ChartTooltip,
} from "@/components/ui/chart";
import { WidgetEmptyState } from "@/components/widget-empty-state";
import type { IncomeExpenseBalanceData } from "@/lib/dashboard/income-expense-balance";

type IncomeExpenseBalanceWidgetProps = {
	data: IncomeExpenseBalanceData;
};

const chartConfig = {
	receita: {
		label: "Receita",
		color: "var(--chart-1)",
	},
	despesa: {
		label: "Despesa",
		color: "var(--chart-2)",
	},
	balanco: {
		label: "Balanço",
		color: "var(--chart-3)",
	},
} satisfies ChartConfig;

export function IncomeExpenseBalanceWidget({
	data,
}: IncomeExpenseBalanceWidgetProps) {
	const chartData = data.months.map((month) => ({
		month: month.monthLabel,
		receita: month.income,
		despesa: month.expense,
		balanco: month.balance,
	}));

	// Verifica se todos os valores são zero
	const isEmpty = chartData.every(
		(item) => item.receita === 0 && item.despesa === 0 && item.balanco === 0,
	);

	if (isEmpty) {
		return (
			<CardContent className="px-0">
				<WidgetEmptyState
					icon={<RiLineChartLine className="size-6 text-muted-foreground" />}
					title="Nenhuma movimentação financeira no período"
					description="Registre receitas e despesas para visualizar o balanço mensal."
				/>
			</CardContent>
		);
	}

	return (
		<CardContent className="space-y-4 px-0">
			<ChartContainer
				config={chartConfig}
				className="h-[270px] w-full aspect-auto"
			>
				<BarChart
					data={chartData}
					margin={{ top: 20, right: 10, left: 10, bottom: 5 }}
				>
					<CartesianGrid strokeDasharray="3 3" vertical={false} />
					<XAxis
						dataKey="month"
						tickLine={false}
						axisLine={false}
						tickMargin={8}
					/>
					<ChartTooltip
						content={({ active, payload }) => {
							if (!active || !payload || payload.length === 0) {
								return null;
							}

							const formatCurrency = (value: number) => {
								return new Intl.NumberFormat("pt-BR", {
									style: "currency",
									currency: "BRL",
									minimumFractionDigits: 2,
									maximumFractionDigits: 2,
								}).format(value);
							};

							return (
								<div className="rounded-lg border bg-background p-2 shadow-sm">
									<div className="grid gap-2">
										{payload.map((entry) => {
											const config =
												chartConfig[entry.dataKey as keyof typeof chartConfig];
											const value = entry.value as number;

											return (
												<div
													key={entry.dataKey}
													className="flex items-center gap-2"
												>
													<div
														className="h-3 w-3 rounded-full"
														style={{ backgroundColor: config?.color }}
													/>
													<span className="text-xs text-muted-foreground">
														{config?.label}:
													</span>
													<span className="text-xs font-medium">
														{formatCurrency(value)}
													</span>
												</div>
											);
										})}
									</div>
								</div>
							);
						}}
						cursor={{ fill: "hsl(var(--muted))", opacity: 0.3 }}
					/>
					<Bar
						dataKey="receita"
						fill={chartConfig.receita.color}
						radius={[4, 4, 0, 0]}
						maxBarSize={60}
					/>
					<Bar
						dataKey="despesa"
						fill={chartConfig.despesa.color}
						radius={[4, 4, 0, 0]}
						maxBarSize={60}
					/>
					<Bar
						dataKey="balanco"
						fill={chartConfig.balanco.color}
						radius={[4, 4, 0, 0]}
						maxBarSize={60}
					/>
				</BarChart>
			</ChartContainer>
			<div className="flex items-center justify-center gap-6">
				<div className="flex items-center gap-2">
					<div
						className="h-3 w-3 rounded-full"
						style={{ backgroundColor: chartConfig.receita.color }}
					/>
					<span className="text-sm text-muted-foreground">
						{chartConfig.receita.label}
					</span>
				</div>
				<div className="flex items-center gap-2">
					<div
						className="h-3 w-3 rounded-full"
						style={{ backgroundColor: chartConfig.despesa.color }}
					/>
					<span className="text-sm text-muted-foreground">
						{chartConfig.despesa.label}
					</span>
				</div>
				<div className="flex items-center gap-2">
					<div
						className="h-3 w-3 rounded-full"
						style={{ backgroundColor: chartConfig.balanco.color }}
					/>
					<span className="text-sm text-muted-foreground">
						{chartConfig.balanco.label}
					</span>
				</div>
			</div>
		</CardContent>
	);
}
