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import { CHAT_TRANSCRIPT_COPY } from "@/constants/chat";
import type {
ApproveTeamRequestInput,
CancelTimeOffInput,
RejectTeamRequestInput,
SubmitTimeOffInput,
} from "@/types/tool";
import type { MessageMetadata } from "@/agents/chat-core";
import { formatHumanDateRange } from "@/utils/date";
import {
asRecord,
asString,
asOptionalString,
compactLeaveTypeLabel,
} from "./utils";
import { leaveTypeLabel } from "@/utils/leave";
export const TOOL_STATUS_TONE_CLASS: Record<"success" | "error" | "neutral", string> = {
error: "border border-rose-400/28 bg-rose-500/12 text-rose-200 font-dm-sans shadow-tool-error",
success: "border border-emerald-400/28 bg-emerald-500/12 text-emerald-100 font-dm-sans shadow-tool-success",
neutral: "border border-white/10 bg-white/7 text-white/72 font-dm-sans shadow-tool-neutral",
};
export const TOOL_FRIENDLY_LABEL_BY_NAME: Record<string, string> = {
get_my_time_off_balance: "My leave balance",
list_my_time_off_requests: "My time-off requests",
list_employees: "All employees",
list_team_members: "Team members",
list_team_time_off_requests: "Team time-off requests",
submit_my_time_off_request: "Submit time-off request",
cancel_my_time_off_request: "Cancel time-off request",
approve_team_time_off_request: "Approve team request",
reject_team_time_off_request: "Reject team request",
};
export function getToolParts(message: UIMessage) {
const toolParts = message.parts.filter((part) => isToolUIPart(part));
return Array.from(
new Map(
toolParts.map((part, index) => [part.toolCallId ?? `tool-${index}`, part]),
).values(),
);
}
export function humanizeToolName(toolName: string) {
return toolName
.replaceAll("_", " ")
.replace(/\b\w/g, (char) => char.toUpperCase());
}
export function getFriendlyToolLabelByName(toolName: string | null) {
if (!toolName) return CHAT_TRANSCRIPT_COPY.toolFallbackLabel;
return TOOL_FRIENDLY_LABEL_BY_NAME[toolName] ?? humanizeToolName(toolName);
}
export function getToolName(part: UIMessage["parts"][number]) {
Iif (!isToolUIPart(part)) return null;
return part.type === "dynamic-tool"
? part.toolName
: part.type.replace("tool-", "");
}
export function getToolStepText(part: UIMessage["parts"][number]) {
if (!isToolUIPart(part)) return null;
switch (part.state) {
case "input-streaming":
case "input-available":
case "output-available":
case "output-error":
return `Call tool: ${getFriendlyToolLabelByName(getToolName(part))}`;
case "approval-responded":
return part.approval.approved
? `Call tool: ${getFriendlyToolLabelByName(getToolName(part))}`
: null;
default:
return null;
}
}
export function isDatePickerToolPart(part: UIMessage["parts"][number]): boolean {
return (
isToolUIPart(part) &&
getToolName(part) === "collect_date_range" &&
part.state === "output-available"
);
}
export function getDatePickerLeaveType(part: UIMessage["parts"][number]): string {
if (!isToolUIPart(part)) return "";
const input = part.input as Record<string, unknown> | null;
return typeof input?.leaveType === "string" ? input.leaveType : "";
}
export function isApprovalRequestedToolPart(
part: UIMessage["parts"][number],
): part is Extract<UIMessage["parts"][number], { approval: { id: string } }> {
return isToolUIPart(part) && part.state === "approval-requested";
}
export function getApprovalCardContent(part: UIMessage["parts"][number]) {
if (!isToolUIPart(part) || part.state !== "approval-requested") {
return null;
}
const toolName = getToolName(part);
switch (toolName) {
case "submit_my_time_off_request": {
const i = part.input as SubmitTimeOffInput;
return {
title: CHAT_TRANSCRIPT_COPY.toolApproval.submitRequest.title,
description: `${leaveTypeLabel(i.leaveType)} from ${i.startDate ?? "—"} to ${i.endDate ?? "—"}${i.reason ? `. Reason: ${i.reason}.` : "."}`,
confirmLabel: CHAT_TRANSCRIPT_COPY.toolApproval.submitRequest.confirmLabel,
cancelLabel: CHAT_TRANSCRIPT_COPY.toolApproval.submitRequest.cancelLabel,
};
}
case "cancel_my_time_off_request": {
const i = part.input as CancelTimeOffInput;
return {
title: CHAT_TRANSCRIPT_COPY.toolApproval.cancelRequest.title,
description: `${CHAT_TRANSCRIPT_COPY.toolApproval.cancelRequest.descriptionPrefix} ${i.requestQuery ?? CHAT_TRANSCRIPT_COPY.toolApproval.selectedRequestFallback}.`,
confirmLabel: CHAT_TRANSCRIPT_COPY.toolApproval.cancelRequest.confirmLabel,
cancelLabel: CHAT_TRANSCRIPT_COPY.toolApproval.cancelRequest.cancelLabel,
};
}
case "approve_team_time_off_request": {
const i = part.input as ApproveTeamRequestInput;
return {
title: CHAT_TRANSCRIPT_COPY.toolApproval.approveRequest.title,
description: `${CHAT_TRANSCRIPT_COPY.toolApproval.approveRequest.descriptionPrefix} ${i.requestQuery ?? CHAT_TRANSCRIPT_COPY.toolApproval.selectedRequestFallback}${i.comment ? `. ${CHAT_TRANSCRIPT_COPY.toolApproval.approveRequest.commentLabel} ${i.comment}.` : "."}`,
confirmLabel: CHAT_TRANSCRIPT_COPY.toolApproval.approveRequest.confirmLabel,
cancelLabel: CHAT_TRANSCRIPT_COPY.toolApproval.approveRequest.cancelLabel,
};
}
case "reject_team_time_off_request": {
const i = part.input as RejectTeamRequestInput;
return {
title: CHAT_TRANSCRIPT_COPY.toolApproval.rejectRequest.title,
description: `${CHAT_TRANSCRIPT_COPY.toolApproval.rejectRequest.descriptionPrefix} ${i.requestQuery ?? CHAT_TRANSCRIPT_COPY.toolApproval.selectedRequestFallback}${i.comment ? `. ${CHAT_TRANSCRIPT_COPY.toolApproval.rejectRequest.reasonLabel} ${i.comment}.` : "."}`,
confirmLabel: CHAT_TRANSCRIPT_COPY.toolApproval.rejectRequest.confirmLabel,
cancelLabel: CHAT_TRANSCRIPT_COPY.toolApproval.rejectRequest.cancelLabel,
};
}
default:
return {
title: CHAT_TRANSCRIPT_COPY.toolApproval.default.title,
description: CHAT_TRANSCRIPT_COPY.toolApproval.default.description,
confirmLabel: CHAT_TRANSCRIPT_COPY.toolApproval.default.confirmLabel,
cancelLabel: CHAT_TRANSCRIPT_COPY.toolApproval.default.cancelLabel,
};
}
}
export function getToolStatusCopy(part: UIMessage["parts"][number]) {
if (!isToolUIPart(part)) {
return null;
}
const toolName = getToolName(part);
const shortLabel = getFriendlyToolLabelByName(toolName);
switch (part.state) {
case "approval-responded":
return {
tone: "neutral" as const,
text: part.approval.approved
? `${shortLabel} ${CHAT_TRANSCRIPT_COPY.toolStatus.confirmedSuffix}`
: `${shortLabel} ${CHAT_TRANSCRIPT_COPY.toolStatus.cancelledSuffix}`,
};
case "output-error":
// Never surface raw errorText (may contain Zod/JSON validation details).
// The agent's text response already explains what went wrong to the user.
return null;
case "output-denied":
return {
tone: "neutral" as const,
text: `${shortLabel} ${CHAT_TRANSCRIPT_COPY.toolStatus.cancelledSuffix}`,
};
case "output-available":
return null;
default:
return null;
}
}
export type MutationSuccessCard = {
key: string;
title: string;
employeeName: string;
employeeAvatar?: string;
team?: string;
leaveTypeLabel: string;
dateRange: string;
days: number;
rawStatus: string;
reviewComment?: string;
};
export function getMutationSuccessCard(part: UIMessage["parts"][number]) {
if (!isToolUIPart(part) || part.state !== "output-available" || part.preliminary) {
return null;
}
const output = asRecord(part.output);
if (!output || output.ok !== true) {
return null;
}
const request = asRecord(output.request);
if (!request) {
return null;
}
const toolName = getToolName(part);
let title: string;
if (toolName === "approve_team_time_off_request") title = "Request approved";
else if (toolName === "reject_team_time_off_request") title = "Request rejected";
else if (toolName === "cancel_my_time_off_request") title = "Request cancelled";
else if (toolName === "submit_my_time_off_request") title = "Request submitted";
else return null;
const employeeName = asString(request.employeeName, "Employee");
const employeeAvatar = asOptionalString(request.employeeAvatar)?.trim() || undefined;
const team = asOptionalString(request.team)?.trim() || undefined;
const label = compactLeaveTypeLabel(
asString(request.leaveTypeLabel, asString(request.leaveType, "Leave")),
);
const dateRange = formatHumanDateRange(
asString(request.startDate, ""),
asString(request.endDate, ""),
);
const days =
typeof request.days === "number" && Number.isFinite(request.days)
? (request.days as number)
: 0;
const rawStatus = asString(request.status, "");
const reviewComment = asOptionalString(request.reviewComment)?.trim() || undefined;
return {
title,
employeeName,
employeeAvatar,
team,
leaveTypeLabel: label,
dateRange,
days,
rawStatus,
reviewComment,
};
}
export function readMessageMeta(message: UIMessage) {
if (!message.metadata || typeof message.metadata !== "object") {
return null;
}
const metadata = message.metadata as Partial<MessageMetadata>;
return {
agent: metadata.agent ?? CHAT_TRANSCRIPT_COPY.defaultAgentName,
agentLabel: metadata.agentLabel ?? CHAT_TRANSCRIPT_COPY.defaultAgentLabel,
};
}
export function getAssistantInitials(message: UIMessage) {
const metadata = readMessageMeta(message);
const badgeMap = CHAT_TRANSCRIPT_COPY.assistantBadgeByAgent;
const agent = metadata?.agent;
if (agent && agent in badgeMap) {
return badgeMap[agent as keyof typeof badgeMap];
}
return badgeMap[CHAT_TRANSCRIPT_COPY.defaultAgentName];
}
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