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import TableContainer from "@mui/material/TableContainer";
import GiveText from "@shared/Text/GiveText";
import { useAppTheme } from "@theme/v2/Provider";
import { useCustomThemeV2 } from "@theme/hooks/useCustomThemeV2";
import { memo, useMemo } from "react";
import {
Container,
StyledBodyCell,
StyledHeaderCell,
StyledTable,
StyledTableHead,
StyledTableRow,
} from "../../styles";
import { ReconciliationHubView } from "../types";
import {
computeBps,
formatBpsAsPercent,
formatHubAmount,
formatHubPercent,
} from "../format";
import HubGauge from "./HubGauge";
import { CARD_BRANDS as BRANDS } from "../cardBrands";
import {
ACTIVITY_ROWS,
COLUMN_COUNT,
FEE_ROWS,
} from "./CostBreakdownByBrand.constants";
import SectionHeading from "./SectionHeading";
interface Props {
data?: ReconciliationHubView;
}
const field = (data: ReconciliationHubView | undefined, name: string): number =>
((data as unknown as Record<string, number>)?.[name] ?? 0) as number;
const sumBrandSuffixes = (
data: ReconciliationHubView | undefined,
prefix: string,
suffixes: string[],
) => suffixes.reduce((acc, suffix) => acc + field(data, `${prefix}${suffix}`), 0);
/** Job 1 — the Chargeback Rate / Cost Rate summary gauges. */
const CostGauges = memo(({ data }: { data?: ReconciliationHubView }) => {
const { totalChargeback, costBps, volume } = useMemo(() => {
const vol = field(data, "volume");
return {
volume: vol,
totalChargeback: BRANDS.reduce(
(acc, brand) => acc + field(data, `${brand.key}ChargebackAmount`),
0,
),
costBps: computeBps(field(data, "processorCost"), vol),
};
}, [data]);
return (
<Stack direction="row" gap="16px" flexWrap="wrap">
<HubGauge
label="Chargeback Rate"
color="warning"
percent={(totalChargeback / (volume || 1)) * 100}
centerText={formatHubPercent(totalChargeback, volume)}
valueText={formatHubPercent(totalChargeback, volume)}
/>
<HubGauge
label="Cost Rate"
color="success"
percent={costBps / 100}
centerText={`${costBps} BPS`}
valueText={`${costBps} BPS (${formatBpsAsPercent(costBps)})`}
/>
</Stack>
);
});
CostGauges.displayName = "CostGauges";
/** Job 2 — the per-brand activity matrix (purchases / refunds / chargebacks). */
const ActivityRows = memo(
({
data,
isMobileView,
bpsBg,
}: {
data?: ReconciliationHubView;
isMobileView: boolean;
bpsBg?: string;
}) => (
<>
{ACTIVITY_ROWS.map((row) => {
const total = BRANDS.reduce(
(acc, brand) => acc + field(data, `${brand.key}${row.suffix}`),
0,
);
const fmt = (n: number) =>
row.kind === "amount" ? formatHubAmount(n) : n.toLocaleString("en-US");
return (
<StyledTableRow key={row.label}>
<StyledBodyCell isFirstColumn isMobileView={isMobileView}>
<GiveText variant="bodyS" color="secondary">
{row.label}
</GiveText>
</StyledBodyCell>
{BRANDS.map((brand) => (
<StyledBodyCell key={brand.key} align="center" isMobileView={isMobileView}>
<GiveText variant="bodyS" color="primary">
{fmt(field(data, `${brand.key}${row.suffix}`))}
</GiveText>
</StyledBodyCell>
))}
<StyledBodyCell align="center" isMobileView={isMobileView}>
<GiveText variant="bodyS" color="primary">
{fmt(total)}
</GiveText>
</StyledBodyCell>
{/* Activity rows have no per-row BPS, so this cell is always "-":
keep it un-tinted (the blue highlight is only for real BPS
values, per the mockup). */}
<StyledBodyCell align="center" isMobileView={isMobileView}>
<GiveText variant="bodyS" color="secondary">
-
</GiveText>
</StyledBodyCell>
</StyledTableRow>
);
})}
</>
),
);
ActivityRows.displayName = "ActivityRows";
/** Job 3 — the "Cost Breakdown" fee section with the per-row Fees BPS column. */
const FeeRows = memo(
({
data,
isMobileView,
bpsBg,
totalBg,
volume,
}: {
data?: ReconciliationHubView;
isMobileView: boolean;
bpsBg?: string;
totalBg?: string;
volume: number;
}) => (
<>
{/* Sub-section divider */}
<StyledTableRow>
<StyledBodyCell colSpan={COLUMN_COUNT} isFirstColumn isMobileView={isMobileView}>
<GiveText variant="bodyS" color="primary" fontWeight="medium">
Cost Breakdown
</GiveText>
</StyledBodyCell>
</StyledTableRow>
{FEE_ROWS.map((row) => {
const total = field(data, row.totalField);
const bps = computeBps(total, volume);
// The summary "Total Fees Paid" row carries extra weight and a grey
// fill in the mock; its BPS cell keeps the blue column tint below.
const weight = row.isTotal ? "medium" : undefined;
const rowBg = row.isTotal ? totalBg : undefined;
return (
<StyledTableRow key={row.label} data-testid={`hub-fee-row-${row.label}`}>
<StyledBodyCell
isFirstColumn
isMobileView={isMobileView}
sx={{ backgroundColor: rowBg }}
>
<Stack gap="2px">
<GiveText
variant="bodyS"
color={row.isTotal ? "primary" : "secondary"}
fontWeight={weight}
>
{row.label}
</GiveText>
{row.description && (
<GiveText variant="bodyXS" color="tertiary">
{row.description}
</GiveText>
)}
</Stack>
</StyledBodyCell>
{BRANDS.map((brand) => (
<StyledBodyCell
key={brand.key}
align="center"
isMobileView={isMobileView}
sx={{ backgroundColor: rowBg }}
>
<GiveText variant="bodyS" color="primary" fontWeight={weight}>
{formatHubAmount(
row.brandSuffixes
? sumBrandSuffixes(data, brand.key, row.brandSuffixes)
: 0,
)}
</GiveText>
</StyledBodyCell>
))}
<StyledBodyCell
align="center"
isMobileView={isMobileView}
sx={{ backgroundColor: rowBg }}
>
<GiveText variant="bodyS" color="primary" fontWeight={weight}>
{formatHubAmount(total)}
</GiveText>
</StyledBodyCell>
{/* Blue-tint the BPS cell only when there's an actual value; a
"-" (zero volume) stays un-highlighted per the mockup. The
summary row keeps the same tint as the rest of the column. */}
<StyledBodyCell
align="center"
isMobileView={isMobileView}
sx={{ backgroundColor: bps ? bpsBg : undefined }}
>
<GiveText variant="bodyS" color="link" fontWeight={weight}>
<span data-testid={`hub-fee-bps-${row.label}`}>
{bps ? `${bps} BPS` : "-"}
</span>
</GiveText>
</StyledBodyCell>
</StyledTableRow>
);
})}
</>
),
);
FeeRows.displayName = "FeeRows";
/**
* Cost Breakdown by Card Brand: the Chargeback / Cost Rate gauges, then an
* activity matrix (purchases / refunds / chargebacks / pre-CB refunds) and a
* "Cost Breakdown" fee section (Interchange, Scheme, Processor, Network, Total)
* with a blue-highlighted per-row Fees BPS column. Reuses the settlement
* bank-provider table styling. Per-brand processor fees aren't tracked in the
* view, so that row shows the total only.
*
* Composed of three memoized sections (gauges / activity matrix / fee
* breakdown) so a filter-driven parent re-render with unchanged `data` skips
* the whole subtree.
*/
const CostBreakdownByBrand = ({ data }: Props) => {
const theme = useAppTheme();
const { isLargeView } = useCustomThemeV2();
const isMobileView = !isLargeView;
const volume = field(data, "volume");
const bpsBg = theme.palette.primitive?.blue?.[10];
// Grey fill behind the summary "Total Fees Paid" row (mock). No token sits
// between neutral.5 (#f5f5f3) and neutral.0 (#fff), so use a lighter literal.
const totalBg = "#fafaf9";
return (
// Design "Section Heading" spec: 46px above the label. The parent hub
// Stack already contributes a 20px inter-section gap, so add 26px top
// padding (20 + 26 = 46).
<Stack gap="16px" pt="26px" data-testid="hub-cost-breakdown">
<SectionHeading variant="h6">Cost Breakdown by Card Brand</SectionHeading>
<CostGauges data={data} />
<TableContainer
component={Container}
isMobileView={isMobileView}
// Shared `Container` rounds at radius.small (12px); the mock uses a
// subtler corner, so drop to extraSmall (8px) scoped to this table.
sx={{ marginTop: 0, marginBottom: 0, maxWidth: "100%", borderRadius: "8px" }}
>
<StyledTable
aria-label="cost breakdown by card brand"
isMobileView={isMobileView}
// Shared body cells pad 12px vertically; the mock rows are taller, so
// bump to 16px scoped here (leaves the settlement table untouched).
sx={{ minWidth: 880, "& tbody td": { paddingTop: "16px", paddingBottom: "16px" } }}
>
<StyledTableHead>
<TableRow>
<StyledHeaderCell isFirstColumn isMobileView={isMobileView}>
<GiveText variant="bodyS" color="primary">
Cost Type
</GiveText>
</StyledHeaderCell>
{BRANDS.map((brand) => (
<StyledHeaderCell key={brand.key} isMobileView={isMobileView} align="center">
{brand.Icon ? (
<Stack
alignItems="center"
justifyContent="center"
// The shared brand logos ship a grey rounded border (a
// "card chip" reused in checkout / agreements / fees); the
// rebrand shows them borderless in this table. The border
// is a <rect> on Visa but a <path> on Mastercard/Discover/
// Amex, so match the stroke on any element — scoped here so
// the shared icon components (other consumers) are untouched.
sx={{ "& [stroke='#E6E6E3']": { stroke: "none" } }}
>
<brand.Icon width={34} height={22} />
</Stack>
) : (
<GiveText variant="bodyS" color="primary" textAlign="center">
{brand.label}
</GiveText>
)}
</StyledHeaderCell>
))}
<StyledHeaderCell isMobileView={isMobileView} align="center">
<GiveText variant="bodyS" color="primary" textAlign="center">
Total
</GiveText>
</StyledHeaderCell>
<StyledHeaderCell
isMobileView={isMobileView}
align="center"
sx={{ backgroundColor: bpsBg }}
>
<GiveText variant="bodyS" color="link" textAlign="center">
Fees BPS
</GiveText>
</StyledHeaderCell>
</TableRow>
</StyledTableHead>
<TableBody>
<ActivityRows data={data} isMobileView={isMobileView} bpsBg={bpsBg} />
<FeeRows
data={data}
isMobileView={isMobileView}
bpsBg={bpsBg}
totalBg={totalBg}
volume={volume}
/>
</TableBody>
</StyledTable>
</TableContainer>
</Stack>
);
};
export default memo(CostBreakdownByBrand);
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