src/features/reports/report-view.tsx

Linked repository file from this build.

"use client";
import { LoadingPreview } from "@/components/loading-preview";
import { useState, type ReactNode } from "react";
import { ArrowDownUp, Download, Play, RefreshCw } from "lucide-react";
import { Button } from "@/components/ui/button";
import { fieldClass } from "@/components/ui/input";
import { roleLabels, type Actor, type DemoRole } from "@/features/reviews/types";
import { MonthField } from "./month-field";
import {
  countyChartSorts,
  monthChartSorts,
  nextCountyChartSort,
  nextMonthChartSort,
  sortCountyGroups,
  sortMonthGroups,
  type CountyChartSort,
  type MonthChartSort,
} from "./progress-sort";
import { aggregateReport, countyLabel, examinerLabel, type ReportFilters } from "./report-data";
type Summary = ReturnType<typeof aggregateReport>;
type Group = Summary["byMonth"][number];
export type Run = {
  id: string;
  at: string;
  scope: string;
  total: number;
  eligible: number;
  csv: string;
};
const control = fieldClass;
const placeholderGroups: Group[] = Array.from({ length: 4 }, (_, i) => ({
  key: `loading-${i}`,
  label: "Loading summary",
  total: 10,
  completed: 5,
  approved: 5,
  clean: 3,
  error: 2,
  eligible: 5,
  ineligibleApproved: 0,
}));
const placeholderErrorCodes: Summary["byErrorCode"] = Array.from({ length: 4 }, (_, i) => ({
  element: String(i),
  nature: "000",
  elementLabel: "Loading element",
  natureLabel: "Loading nature",
  reviews: 0,
}));
type ReportViewProps = {
  actor: Actor;
  isSignedIn: boolean;
  setRole(role: DemoRole): void;
  loading: boolean;
  loadedAt: string;
  error: string;
  canView: boolean;
  filters: ReportFilters;
  update(patch: Partial<ReportFilters>): void;
  setFilters(filters: ReportFilters): void;
  examiners: string[];
  counties: string[];
  invalidRange: boolean;
  summary: Summary;
  runs: Run[];
  runReport(): void;
  onRefresh(): void;
};
export function ReportView({
  actor,
  isSignedIn,
  setRole,
  loading,
  loadedAt,
  error,
  canView,
  filters,
  update,
  setFilters,
  examiners,
  counties,
  invalidRange,
  summary,
  runs,
  runReport,
  onRefresh,
}: ReportViewProps) {
  const pending = loading && !loadedAt && !error;
  return (
    <div
      className="report-view mx-auto flex w-full max-w-6xl flex-col gap-6 pb-16"
      aria-busy={pending}
    >
      {pending && (
        <span role="status" className="sr-only">
          Loading reports…
        </span>
      )}
      <div className="flex flex-wrap items-start justify-between gap-4">
        <div>
          <h1 className="text-2xl font-semibold tracking-tight">Program Error Summary</h1>
        </div>
        <div className="flex items-end gap-3">
          {!isSignedIn && (
            <label className="grid gap-1 text-xs">
              Demo role
              <select
                id="reports-role"
                className={control}
                value={actor.role}
                onChange={(event) => setRole(event.target.value as DemoRole)}
              >
                {Object.entries(roleLabels).map(([key, label]) => (
                  <option key={key} value={key}>
                    {label}
                  </option>
                ))}
              </select>
            </label>
          )}
          <Button type="button" variant="outline" disabled={loading} onClick={onRefresh}>
            <RefreshCw className={`size-4 ${loading ? "animate-spin" : ""}`} aria-hidden />
            Refresh
          </Button>
        </div>
      </div>
      {error && (
        <p
          role="alert"
          className="rounded-md border border-destructive/40 bg-destructive/10 p-3 text-sm text-destructive"
        >
          {error}
        </p>
      )}
      {!canView ? (
        <p className="rounded-lg border border-dashed p-4 text-sm text-muted-foreground">
          Reports is available to Statistics, Admin and Program manager.
        </p>
      ) : (
        <>
          <ReportFilters
            filters={filters}
            update={update}
            setFilters={setFilters}
            examiners={examiners}
            counties={counties}
            loading={loading}
            loadedAt={loadedAt}
            invalidRange={invalidRange}
          />
          {!invalidRange && (
            <>
              <div className="grid gap-3 sm:grid-cols-2 lg:grid-cols-4">
                <Metric
                  loading={pending}
                  label="Reviews in scope"
                  value={summary.total}
                  detail="Across the selected sample months"
                />
                <Metric
                  loading={pending}
                  label="Closed reviews"
                  value={summary.completed}
                  detail={`${summary.total ? Math.round((summary.completed / summary.total) * 100) : 0}% Released or Dropped`}
                />
                <Metric
                  loading={pending}
                  label="Released to reporting"
                  value={summary.eligible}
                  detail="Released Valid and Invalid reviews"
                />
                <Metric
                  loading={pending}
                  label="Awaiting release"
                  value={summary.ineligibleApproved}
                  detail="Memo approved, response or release pending"
                />
              </div>
              <ErrorSummarySection summary={summary} pending={pending} />
              <ErrorCodeTable summary={summary} pending={pending} />
              <div className="grid gap-4 lg:grid-cols-2">
                <ProgressChart
                  loading={pending}
                  title="Workflow state"
                  groups={summary.byState}
                  shareOf={summary.total}
                  size="stretch"
                />
                <ProgressChart
                  loading={pending}
                  title="Sample month"
                  groups={summary.byMonth}
                  sorts="month"
                  size="content"
                  onSelect={(key) => update({ from: key, through: key })}
                />
                <ProgressChart
                  loading={pending}
                  title="Examiner"
                  groups={summary.byExaminer}
                  onSelect={(key) => update({ examiner: key })}
                />
                <ProgressChart
                  loading={pending}
                  title="County"
                  groups={summary.byCounty}
                  sorts="county"
                  compare="error"
                  onSelect={(key) => update({ county: key })}
                />
              </div>
            </>
          )}
          <ReportRuns
            runs={runs}
            disabled={loading || !!error || invalidRange || !loadedAt}
            runReport={runReport}
          />
        </>
      )}
    </div>
  );
}
/** Month, examiner and county filters, with the last load time. */
function ReportFilters({
  filters,
  update,
  setFilters,
  examiners,
  counties,
  loading,
  loadedAt,
  invalidRange,
}: Pick<
  ReportViewProps,
  | "filters"
  | "update"
  | "setFilters"
  | "examiners"
  | "counties"
  | "loading"
  | "loadedAt"
  | "invalidRange"
>) {
  return (
    <section className="space-y-3 rounded-lg border bg-card p-4" aria-label="Report filters">
      <div className="grid gap-3 sm:grid-cols-2 lg:grid-cols-4">
        <MonthField
          id="report-from-month"
          label="From sample month"
          value={filters.from || ""}
          onChange={(from) => update({ from })}
        />
        <MonthField
          id="report-through-month"
          label="Through sample month"
          value={filters.through || ""}
          onChange={(through) => update({ through })}
        />
        <label className="grid gap-1 text-xs font-medium">
          Examiner
          <select
            className={control}
            value={filters.examiner || ""}
            onChange={(event) => update({ examiner: event.target.value })}
          >
            <option value="">All examiners</option>
            {examiners.map((id) => (
              <option key={id} value={id}>
                {examinerLabel(id)}
              </option>
            ))}
          </select>
        </label>
        <label className="grid gap-1 text-xs font-medium">
          County
          <select
            className={control}
            value={filters.county || ""}
            onChange={(event) => update({ county: event.target.value })}
          >
            <option value="">All counties</option>
            {counties.map((county) => (
              <option key={county} value={county}>
                {countyLabel(county)}
              </option>
            ))}
          </select>
        </label>
      </div>
      <div className="flex flex-wrap items-center justify-between gap-3">
        <span role="status" className="text-xs text-muted-foreground">
          {loading
            ? "Loading reviews…"
            : loadedAt
              ? `Updated ${new Date(loadedAt).toLocaleTimeString([], { hour: "numeric", minute: "2-digit" })}`
              : ""}
        </span>
        <Button type="button" variant="ghost" size="sm" onClick={() => setFilters({})}>
          Clear filters
        </Button>
      </div>
      {invalidRange && (
        <p role="alert" className="text-sm text-destructive">
          From month must be on or before through month.
        </p>
      )}
    </section>
  );
}

/** Valid and Invalid counts of released reviews, as a bar. */
function ErrorSummarySection({ summary, pending }: { summary: Summary; pending: boolean }) {
  return (
    <section className="rounded-lg border bg-card p-5" aria-labelledby="erc-heading">
      <div className="flex flex-wrap items-start justify-between gap-4">
        <div>
          <h2 id="erc-heading" className="font-semibold">
            Program Error Summary
          </h2>
          <p className="mt-1 text-sm text-muted-foreground">
            Released non-drop reviews:{" "}
            <LoadingValue loading={pending}>{summary.eligible}</LoadingValue>
          </p>
        </div>
        <p className="text-sm font-medium">
          Valid: <LoadingValue loading={pending}>{summary.clean}</LoadingValue> · Invalid:{" "}
          <LoadingValue loading={pending}>{summary.error}</LoadingValue>
        </p>
      </div>
      <div
        role="img"
        aria-label={`${summary.clean} Valid and ${summary.error} Invalid eligible reviews`}
        className="mt-4 flex h-4 overflow-hidden rounded-full bg-muted"
      >
        <div
          className="bg-success"
          style={{
            width: `${summary.eligible ? (summary.clean / summary.eligible) * 100 : 0}%`,
          }}
        />
        <div
          className="bg-warning"
          style={{
            width: `${summary.eligible ? (summary.error / summary.eligible) * 100 : 0}%`,
          }}
        />
      </div>
      <div className="mt-2 flex gap-4 text-xs text-muted-foreground">
        <span>
          <span className="mr-1.5 inline-block size-2 rounded-full bg-success" />
          Valid
        </span>
        <span>
          <span className="mr-1.5 inline-block size-2 rounded-full bg-warning" />
          Invalid
        </span>
      </div>
      <p className="mt-4 text-xs leading-relaxed text-muted-foreground">
        Awaiting release:{" "}
        <LoadingValue loading={pending}>{summary.ineligibleApproved}</LoadingValue>
      </p>
    </section>
  );
}

/** Released Invalid reviews grouped by element and nature code. */
function ErrorCodeTable({ summary, pending }: { summary: Summary; pending: boolean }) {
  return (
    <section
      className="overflow-hidden rounded-lg border bg-card"
      aria-labelledby="erc-errors-heading"
    >
      <div className="space-y-1 p-5">
        <h2 id="erc-errors-heading" className="font-semibold">
          Errors by element and nature code
        </h2>
        <p className="text-sm text-muted-foreground">
          Released Invalid reviews in the selected scope. Each review has one element and nature
          pair; reviews with multiple pairs appear in multiple rows.
        </p>
      </div>
      <div className="h-48 overflow-auto">
        {pending || summary.byErrorCode.length ? (
          <LoadingPreview loading={pending} label="Loading error codes…">
            <div>
              <table
                className="w-full text-left text-sm"
                aria-label="Error summary errors by element and nature code"
              >
                <thead className="sticky top-0 bg-muted text-xs text-muted-foreground">
                  <tr>
                    <th scope="col" className="px-5 py-3 font-medium">
                      Element
                    </th>
                    <th scope="col" className="px-5 py-3 font-medium">
                      Nature
                    </th>
                    <th scope="col" className="px-5 py-3 text-right font-medium">
                      Invalid reviews
                    </th>
                    <th scope="col" className="px-5 py-3 text-right font-medium">
                      % of errors
                    </th>
                  </tr>
                </thead>
                <tbody className="divide-y">
                  {(pending && !summary.byErrorCode.length
                    ? placeholderErrorCodes
                    : summary.byErrorCode
                  ).map((group) => (
                    <tr key={JSON.stringify([group.element, group.nature])}>
                      <td className="px-5 py-3 align-top">
                        <span className="mr-2 font-mono text-xs">{group.element || "—"}</span>
                        {group.elementLabel}
                      </td>
                      <td className="max-w-xl px-5 py-3 align-top">
                        <span className="mr-2 font-mono text-xs">{group.nature || "—"}</span>
                        {group.natureLabel}
                      </td>
                      <td className="px-5 py-3 text-right align-top tabular-nums">
                        {group.reviews}
                      </td>
                      <td className="px-5 py-3 text-right align-top tabular-nums">
                        {summary.error ? Math.round((group.reviews / summary.error) * 100) : 0}%
                      </td>
                    </tr>
                  ))}
                </tbody>
              </table>
            </div>
          </LoadingPreview>
        ) : (
          <p className="px-5 pb-5 text-sm text-muted-foreground">
            No released Invalid reviews in this scope.
          </p>
        )}
      </div>
    </section>
  );
}

/** CSV snapshots made on this page. They live only while the page is open. */
function ReportRuns({
  runs,
  disabled,
  runReport,
}: {
  runs: Run[];
  disabled: boolean;
  runReport(): void;
}) {
  return (
    <section className="overflow-hidden rounded-lg border bg-card" aria-labelledby="runs-heading">
      <div className="flex flex-wrap items-center justify-between gap-3 p-5">
        <div>
          <h2 id="runs-heading" className="font-semibold">
            Report runs
          </h2>
          <p className="mt-1 text-sm text-muted-foreground">
            Create a CSV snapshot of the displayed totals and progress. Recent runs stay available
            while this page is open.
          </p>
        </div>
        <Button type="button" disabled={disabled} onClick={runReport}>
          <Play className="size-4" aria-hidden />
          Run report
        </Button>
      </div>
      {runs.length ? (
        <div className="overflow-x-auto">
          <table className="w-full text-left text-sm" aria-label="Report runs">
            <thead className="border-y bg-muted/40 text-xs text-muted-foreground">
              <tr>
                {["Run time", "Scope", "Reviews", "Error summary eligible", "Download"].map(
                  (label) => (
                    <th key={label} className="px-4 py-3 font-medium">
                      {label}
                    </th>
                  ),
                )}
              </tr>
            </thead>
            <tbody>
              {runs.map((run) => (
                <tr key={run.id} className="border-b last:border-0">
                  <td className="whitespace-nowrap px-4 py-3 text-xs">
                    {new Date(run.at).toLocaleString()}
                  </td>
                  <td className="max-w-sm px-4 py-3 text-xs">{run.scope}</td>
                  <td className="px-4 py-3 tabular-nums">{run.total}</td>
                  <td className="px-4 py-3 tabular-nums">{run.eligible}</td>
                  <td className="px-4 py-3">
                    <Button
                      type="button"
                      size="sm"
                      variant="outline"
                      onClick={() => downloadRun(run)}
                    >
                      <Download className="size-3.5" aria-hidden />
                      CSV
                    </Button>
                  </td>
                </tr>
              ))}
            </tbody>
          </table>
        </div>
      ) : (
        <p className="border-t px-5 py-4 text-sm text-muted-foreground">No report runs yet.</p>
      )}
    </section>
  );
}

function Metric({
  label,
  value,
  detail,
  loading,
}: {
  label: string;
  value: number;
  detail: string;
  loading: boolean;
}) {
  return (
    <section className="rounded-lg border bg-card p-4">
      <h2 className="text-xs font-medium text-muted-foreground">{label}</h2>
      <p className="mt-2 text-3xl font-semibold tracking-tight tabular-nums">
        <LoadingValue loading={loading}>{value.toLocaleString()}</LoadingValue>
      </p>
      <p className="mt-1 text-xs text-muted-foreground">{detail}</p>
    </section>
  );
}
function errorRate(group: Group) {
  return group.total ? group.error / group.total : 0;
}
function sortedGroups(groups: Group[], sort?: "total" | "open" | "errorRate") {
  return [...groups].sort((left, right) => {
    if (sort === "total") return right.total - left.total || left.label.localeCompare(right.label);
    if (sort === "open")
      return (
        right.total - right.completed - (left.total - left.completed) ||
        left.key.localeCompare(right.key)
      );
    if (sort === "errorRate")
      return (
        errorRate(right) - errorRate(left) ||
        right.error - left.error ||
        right.total - left.total ||
        left.label.localeCompare(right.label)
      );
    return 0;
  });
}
function chartMeasure(group: Group, compare: "closed" | "share" | "error", shareOf?: number) {
  if (compare === "share")
    return { value: group.total, total: shareOf ?? 0, fill: "bg-primary", splitOpen: false };
  if (compare === "error")
    return { value: group.error, total: group.total, fill: "bg-warning", splitOpen: false };
  return {
    value: group.completed,
    total: group.total,
    fill: "bg-primary",
    splitOpen: true,
  };
}
function ProgressChart({
  title,
  loading,
  groups,
  sort,
  sorts,
  size = "scroll",
  shareOf,
  compare = shareOf != null ? "share" : "closed",
  onSelect,
}: {
  title: string;
  loading: boolean;
  groups: Group[];
  sort?: "total" | "open" | "errorRate";
  sorts?: "month" | "county";
  size?: "content" | "scroll" | "stretch";
  shareOf?: number;
  compare?: "closed" | "share" | "error";
  onSelect?: (key: string) => void;
}) {
  const [monthSort, setMonthSort] = useState<MonthChartSort>("newest");
  const [countySort, setCountySort] = useState<CountyChartSort>("name-asc");
  const rows =
    sorts === "month"
      ? sortMonthGroups(groups, monthSort)
      : sorts === "county"
        ? sortCountyGroups(groups, countySort)
        : sortedGroups(groups, sort);
  const sortOptions = sorts === "county" ? countyChartSorts : monthChartSorts;
  const sortValue = sorts === "county" ? countySort : monthSort;
  const sortLabel = sortOptions.find((option) => option.value === sortValue)?.label;
  const ratioLabel =
    compare === "share"
      ? "Count / total"
      : compare === "error"
        ? "Error / total"
        : "Closed / total";
  return (
    <section
      className="flex h-full min-h-0 flex-col rounded-lg border bg-card p-5"
      aria-label={`${title} progress`}
    >
      <div className="mb-4 flex min-h-8 items-center justify-between gap-3">
        <h2 className="font-semibold">{title}</h2>
        <div className="flex min-h-8 items-center gap-2">
          {sorts && (
            <Button
              type="button"
              variant="ghost"
              size="sm"
              className="h-8 px-2 text-xs"
              aria-label={`Sort ${title.toLowerCase()}: ${sortLabel}`}
              onClick={() =>
                sorts === "county"
                  ? setCountySort(nextCountyChartSort)
                  : setMonthSort(nextMonthChartSort)
              }
            >
              <ArrowDownUp className="size-3.5" aria-hidden />
              {sortLabel}
            </Button>
          )}
          <span className="text-xs text-muted-foreground">{ratioLabel}</span>
        </div>
      </div>
      <div
        className={
          size === "content"
            ? // 12 bar rows: 12 * 2.375rem + 11 * 0.75rem. Extra months scroll.
              "min-h-0 max-h-[36.75rem] flex-1 space-y-3 overflow-y-auto pr-1"
            : size === "stretch"
              ? "min-h-[26rem] flex-1 space-y-3 overflow-y-auto pr-1"
              : "h-[26rem] space-y-3 overflow-y-auto pr-1"
        }
      >
        {!loading && !rows.length && (
          <p className="text-sm text-muted-foreground">No reviews in this scope.</p>
        )}
        <LoadingPreview
          contentClassName="space-y-3"
          loading={loading}
          label={`Loading ${title.toLowerCase()}…`}
        >
          {(loading && !rows.length ? placeholderGroups : rows).map((group) => {
            const { value, total, fill, splitOpen } = chartMeasure(group, compare, shareOf);
            const filledPct = total ? (value / total) * 100 : 0;
            const percentLabel = `${Math.round(filledPct)}%`;
            const remainderPct =
              splitOpen && group.total ? ((group.total - group.completed) / group.total) * 100 : 0;
            const ariaCount =
              compare === "error"
                ? `${value} errors of ${total} reviews (${percentLabel})`
                : compare === "share"
                  ? `${value} of ${total} reviews`
                  : `${group.completed} closed of ${group.total} reviews`;
            const body = (
              <>
                <div className="mb-1.5 flex items-center justify-between gap-3 text-xs">
                  <span className="truncate">{group.label}</span>
                  <span className="shrink-0 tabular-nums text-muted-foreground">
                    {compare === "error"
                      ? `${value} / ${total} · ${percentLabel}`
                      : `${value} / ${total}`}
                  </span>
                </div>
                <div className="flex h-2 w-full overflow-hidden rounded-full bg-muted">
                  <div className={`h-full ${fill}`} style={{ width: `${filledPct}%` }} />
                  {splitOpen && (
                    <div className="h-full bg-primary/25" style={{ width: `${remainderPct}%` }} />
                  )}
                </div>
              </>
            );
            return onSelect ? (
              <button
                type="button"
                key={group.key}
                title={`Filter to ${group.label}`}
                aria-label={`Filter to ${group.label}, ${ariaCount}`}
                className="block w-full rounded p-1 text-left hover:bg-muted/40 focus-visible:outline-ring"
                onClick={() => onSelect(group.key)}
              >
                {body}
              </button>
            ) : (
              <div key={group.key} className="p-1" aria-label={`${group.label}, ${ariaCount}`}>
                {body}
              </div>
            );
          })}
        </LoadingPreview>
      </div>
      <div className="mt-4 flex min-h-4 gap-4 text-xs text-muted-foreground">
        {compare === "share" ? (
          <>
            <span>
              <span className="mr-1.5 inline-block size-2 rounded-full bg-primary" />
              This state
            </span>
            <span>
              <span className="mr-1.5 inline-block size-2 rounded-full bg-muted" />
              Other reviews in scope
            </span>
          </>
        ) : compare === "error" ? (
          <>
            <span>
              <span className="mr-1.5 inline-block size-2 rounded-full bg-warning" />
              Error
            </span>
            <span>
              <span className="mr-1.5 inline-block size-2 rounded-full bg-muted" />
              Other reviews
            </span>
          </>
        ) : (
          <>
            <span>
              <span className="mr-1.5 inline-block size-2 rounded-full bg-primary" />
              Closed
            </span>
            <span>
              <span className="mr-1.5 inline-block size-2 rounded-full bg-primary/25" />
              Open
            </span>
          </>
        )}
        <span className={`ml-auto ${onSelect ? "" : "invisible"}`}>Select a bar to filter</span>
      </div>
    </section>
  );
}
function downloadRun(run: Run) {
  const url = URL.createObjectURL(new Blob([run.csv], { type: "text/csv;charset=utf-8" }));
  const link = document.createElement("a");
  link.href = url;
  link.download = `snap-negative-report-${run.at.replaceAll(":", "-")}.csv`;
  link.click();
  setTimeout(() => URL.revokeObjectURL(url), 1000);
}

function LoadingValue({ loading, children }: { loading: boolean; children: ReactNode }) {
  return loading ? (
    <span aria-hidden="true" className="inline-block min-w-8 rounded bg-muted">
      <span className="invisible">{children}</span>
    </span>
  ) : (
    children
  );
}