/** Self-contained printable maintenance report for one object.
*
* Produces a full HTML document (inline print CSS) that the panel opens in a new
* tab via a Blob URL — the user then prints or "Save as PDF" from the browser.
* No PDF dependency, works offline. All user content is HTML-escaped.
*/
import type { MaintenanceObject, MaintenanceTask } from "../types";
export interface ReportLabels {
title: string;
generated: string;
manufacturer: string;
model: string;
serial: string;
installed: string;
warranty: string;
area: string;
notes: string;
tasksHeading: string;
colTask: string;
colType: string;
colStatus: string;
colSchedule: string;
colLastDone: string;
colNextDue: string;
colCost: string;
colTimes: string;
totalCost: string;
/** Human schedule label for a task — pass formatRecurrence so calendar
* kinds (weekdays/nth_weekday/…) render properly, not just intervals. */
scheduleLabel: (t: MaintenanceTask) => string;
statusLabel: (s: string) => string;
typeLabel: (t: string) => string;
none: string;
}
function esc(v: unknown): string {
return String(v ?? "").replace(/[&<>"']/g, (c) =>
({ "&": "&", "<": "<", ">": ">", '"': """, "'": "'" }[c] as string));
}
export function buildObjectReportHtml(
obj: MaintenanceObject,
tasks: MaintenanceTask[],
labels: ReportLabels,
fmtDate: (iso: string | null | undefined) => string,
currencySymbol: string,
nowIso: string,
): string {
const meta = ([
[labels.manufacturer, obj.manufacturer],
[labels.model, obj.model],
[labels.serial, obj.serial_number],
[labels.installed, obj.installation_date ? fmtDate(obj.installation_date) : null],
[labels.warranty, obj.warranty_expiry ? fmtDate(obj.warranty_expiry) : null],
] as Array<[string, string | null | undefined]>).filter(([, v]) => !!v);
const rows = tasks.map((t) => {
const schedule = labels.scheduleLabel(t);
return `
| ${esc(t.name)} |
${esc(labels.typeLabel(t.type))} |
${esc(labels.statusLabel(t.status))} |
${esc(schedule)} |
${esc(t.last_performed ? fmtDate(t.last_performed) : labels.none)} |
${esc(t.next_due ? fmtDate(t.next_due) : labels.none)} |
${t.times_performed ?? 0} |
${(t.total_cost ?? 0).toFixed(2)} ${esc(currencySymbol)} |
`;
}).join("");
const totalCost = tasks.reduce((n, t) => n + (t.total_cost ?? 0), 0);
return `
${esc(labels.title)} — ${esc(obj.name)}
${esc(obj.name)}
${esc(labels.title)} · ${esc(labels.generated)}: ${esc(fmtDate(nowIso))}
${meta.length ? `` : ""}
${esc(labels.tasksHeading)} (${tasks.length})
| ${esc(labels.colTask)} | ${esc(labels.colType)} | ${esc(labels.colStatus)} |
${esc(labels.colSchedule)} | ${esc(labels.colLastDone)} | ${esc(labels.colNextDue)} |
${esc(labels.colTimes)} | ${esc(labels.colCost)} |
${rows || `| ${esc(labels.none)} |
`}
| ${esc(labels.totalCost)} | ${totalCost.toFixed(2)} ${esc(currencySymbol)} |
${obj.notes ? `${esc(labels.notes)}:\n${esc(obj.notes)}
` : ""}
`;
}