All files / src/components/crm KanbanBoard.tsx

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import { useMutation, useQueryClient } from "@tanstack/react-query";
import { Contact } from "lucide-react";
import { useCallback, useMemo, useState } from "react";
import { useLeadSources } from "../../hooks/queries/useCrmQueries";
import { crmApi } from "../../lib/api";
import type { KanbanData, KanbanLead } from "../../lib/api/pro/crm";
import { parseCurrencyInput } from "../../lib/currency-utils";
import { queryKeys } from "../../lib/query-keys";
import { EmptyState } from "../ui/empty-state";
import { KanbanColumn } from "./KanbanColumn";
import { MobileLeadList } from "./MobileLeadList";
import { QuickNoteDialog } from "./QuickNoteDialog";
import { SetReminderDialog } from "./SetReminderDialog";
import { StageChangeDialogs, type PendingDrop } from "./StageChangeDialogs";
 
// ─── Types ───────────────────────────────────────────────────────────────────
 
type KanbanBoardProps = {
	proId: string;
	data: KanbanData;
	onAddLead: () => void;
};
 
type QuickAction = {
	type: "note" | "reminder";
	leadId: number;
};
 
// ─── Component ───────────────────────────────────────────────────────────────
 
export function KanbanBoard({ proId, data, onAddLead }: KanbanBoardProps) {
	const queryClient = useQueryClient();
	const { data: sources } = useLeadSources(proId);
	const [pendingDrop, setPendingDrop] = useState<PendingDrop | null>(null);
	const [lossReasonCategory, setLossReasonCategory] = useState("");
	const [lossReason, setLossReason] = useState("");
	const [orderValue, setOrderValue] = useState("");
	const [quickAction, setQuickAction] = useState<QuickAction | null>(null);
 
	// Terminal columns default to expanded (users can still collapse manually)
	const [collapsedColumns, setCollapsedColumns] = useState<Set<number>>(
		() => new Set<number>(),
	);
 
	const toggleCollapse = useCallback((stageId: number) => {
		setCollapsedColumns((prev) => {
			const next = new Set(prev);
			if (next.has(stageId)) {
				next.delete(stageId);
			} else {
				next.add(stageId);
			}
			return next;
		});
	}, []);
 
	// Build source name lookup
	const sourceMap = useMemo(() => {
		const map = new Map<number, string>();
		for (const s of sources || []) {
			map.set(s.id, s.name);
		}
		return map;
	}, [sources]);
 
	// Group leads by stage
	const leadsByStage = useMemo(() => {
		const map = new Map<number, KanbanLead[]>();
		for (const stage of data.stages) {
			map.set(stage.id, []);
		}
		for (const lead of data.leads) {
			const arr = map.get(lead.currentStageId);
			Eif (arr) arr.push(lead);
		}
		return map;
	}, [data]);
 
	// Build lead lookup for O(1) access
	const leadMap = useMemo(() => {
		const map = new Map<number, KanbanLead>();
		for (const lead of data.leads) {
			map.set(lead.id, lead);
		}
		return map;
	}, [data.leads]);
 
	// Find the lead object for the quick action dialog
	const quickActionLead = quickAction
		? leadMap.get(quickAction.leadId) ?? null
		: null;
 
	// Change stage mutation
	const kanbanQueryKey = queryKeys.crm.kanban(proId);
 
	const changeStageMutation = useMutation({
		mutationFn: async ({
			leadId,
			stageId,
			orderValuePaise,
			lossReason: reason,
			lossReasonCategory: category,
		}: {
			leadId: number;
			stageId: number;
			orderValuePaise?: number;
			lossReason?: string;
			lossReasonCategory?: string;
		}) => {
			return crmApi.changeStage(proId, leadId, {
				stageId,
				orderValuePaise,
				lossReason: reason,
				lossReasonCategory: category,
			});
		},
		onMutate: async ({ leadId, stageId }) => {
			await queryClient.cancelQueries({ queryKey: kanbanQueryKey });
			const previous = queryClient.getQueryData<KanbanData>(kanbanQueryKey);
			if (previous) {
				queryClient.setQueryData<KanbanData>(kanbanQueryKey, {
					...previous,
					leads: previous.leads.map((l) =>
						l.id === leadId ? { ...l, currentStageId: stageId } : l,
					),
				});
			}
			return { previous };
		},
		onError: (_err, _vars, context) => {
			Eif (context?.previous) {
				queryClient.setQueryData(kanbanQueryKey, context.previous);
			}
		},
		onSettled: () => {
			queryClient.invalidateQueries({
				queryKey: queryKeys.crm.all,
			});
		},
	});
 
	// Build stage lookup for O(1) access in handleDrop
	const stageMap = useMemo(() => {
		const map = new Map<number, (typeof data.stages)[number]>();
		for (const stage of data.stages) {
			map.set(stage.id, stage);
		}
		return map;
	}, [data.stages]);
 
	const handleDrop = useCallback(
		(leadId: number, stageId: number) => {
			const lead = leadMap.get(leadId);
			if (!lead || lead.currentStageId === stageId) return;
 
			const targetStage = stageMap.get(stageId);
			Iif (!targetStage) return;
 
			// Won/Lost require confirmation
			if (
				targetStage.stageType === "system_terminal_won" ||
				targetStage.stageType === "system_terminal_lost"
			) {
				setPendingDrop({
					leadId,
					stageId,
					stageName: targetStage.name,
					stageType: targetStage.stageType,
				});
				return;
			}
 
			changeStageMutation.mutate({ leadId, stageId });
		},
		[leadMap, stageMap, changeStageMutation],
	);
 
	const confirmDrop = useCallback(() => {
		Iif (!pendingDrop) return;
 
		const extras: {
			orderValuePaise?: number;
			lossReason?: string;
			lossReasonCategory?: string;
		} = {};
		if (pendingDrop.stageType === "system_terminal_won" && orderValue) {
			const parsed = parseCurrencyInput(orderValue);
			Eif (parsed && parsed > 0) extras.orderValuePaise = parsed;
		}
		if (pendingDrop.stageType === "system_terminal_lost") {
			if (lossReasonCategory) extras.lossReasonCategory = lossReasonCategory;
			if (lossReason) extras.lossReason = lossReason;
		}
 
		changeStageMutation.mutate({
			leadId: pendingDrop.leadId,
			stageId: pendingDrop.stageId,
			...extras,
		});
		setPendingDrop(null);
		setLossReasonCategory("");
		setLossReason("");
		setOrderValue("");
	}, [pendingDrop, orderValue, lossReasonCategory, lossReason, changeStageMutation]);
 
	const cancelDrop = useCallback(() => {
		setPendingDrop(null);
		setLossReasonCategory("");
		setLossReason("");
		setOrderValue("");
	}, []);
 
	const isTerminal = (type: string) =>
		type === "system_terminal_won" || type === "system_terminal_lost";
 
	const handleQuickNote = useCallback(
		(leadId: number) => setQuickAction({ type: "note", leadId }),
		[],
	);
	const handleQuickReminder = useCallback(
		(leadId: number) => setQuickAction({ type: "reminder", leadId }),
		[],
	);
 
	if (data.stages.length === 0) {
		return (
			<EmptyState
				icon={Contact}
				title="Setting up your pipeline"
				description="Your CRM pipeline is being initialized. Please refresh the page."
			/>
		);
	}
 
	if (data.leads.length === 0) {
		return (
			<div>
				{/* Mobile: empty stage list */}
				<div className="md:hidden space-y-2 mb-4">
					{data.stages.map((stage) => (
						<div
							key={stage.id}
							className="flex items-center justify-between rounded-md border border-border-default bg-background-elevated px-4 py-3"
						>
							<span className="text-sm font-medium text-foreground-default">
								{stage.name}
							</span>
							<span className="text-xs text-foreground-subtle">0 leads</span>
						</div>
					))}
				</div>
				{/* Desktop: empty kanban columns */}
				<div
					className="hidden md:flex gap-4 overflow-x-auto pb-4 h-[calc(100vh-200px)]"
				>
					{data.stages.map((stage) => (
						<KanbanColumn
							key={stage.id}
							stage={stage}
							leads={[]}
							sourceMap={sourceMap}
	
							onDrop={handleDrop}
							onAddLead={
								stage.stageType === "system_entry" ? onAddLead : undefined
							}
							isCollapsed={collapsedColumns.has(stage.id)}
							onToggleCollapse={
								isTerminal(stage.stageType)
									? () => toggleCollapse(stage.id)
									: undefined
							}
						/>
					))}
				</div>
			</div>
		);
	}
 
	return (
		<>
			{/* Mobile: list view grouped by stage */}
			<div className="md:hidden">
				<MobileLeadList
					data={data}
					sourceMap={sourceMap}
					onAddLead={onAddLead}
					onQuickNote={handleQuickNote}
					onQuickReminder={handleQuickReminder}
				/>
			</div>
 
			{/* Desktop: kanban columns */}
			<div
				className="hidden md:flex gap-4 overflow-x-auto pb-4 h-[calc(100vh-200px)]"
			>
				{data.stages.map((stage) => (
					<KanbanColumn
						key={stage.id}
						stage={stage}
						leads={leadsByStage.get(stage.id) || []}
						sourceMap={sourceMap}
 
						onDrop={handleDrop}
						onAddLead={
							stage.stageType === "system_entry" ? onAddLead : undefined
						}
						isCollapsed={collapsedColumns.has(stage.id)}
						onToggleCollapse={
							isTerminal(stage.stageType)
								? () => toggleCollapse(stage.id)
								: undefined
						}
						onQuickNote={(leadId) => setQuickAction({ type: "note", leadId })}
						onQuickReminder={(leadId) =>
							setQuickAction({ type: "reminder", leadId })
						}
					/>
				))}
			</div>
 
			{/* Won/Lost confirmation dialogs */}
			<StageChangeDialogs
				pendingDrop={pendingDrop}
				orderValue={orderValue}
				onOrderValueChange={setOrderValue}
				lossReasonCategory={lossReasonCategory}
				onLossReasonCategoryChange={setLossReasonCategory}
				lossReason={lossReason}
				onLossReasonChange={setLossReason}
				onConfirm={confirmDrop}
				onCancel={cancelDrop}
				isPending={changeStageMutation.isPending}
			/>
 
			{/* Quick note dialog */}
			{quickActionLead && (
				<QuickNoteDialog
					leadId={quickAction?.leadId ?? 0}
					proId={proId}
					lead={quickActionLead}
					stages={data.stages}
					open={quickAction?.type === "note"}
					onClose={() => setQuickAction(null)}
				/>
			)}
 
			{/* Quick reminder dialog */}
			<SetReminderDialog
				proId={proId}
				leadId={quickAction?.leadId ?? 0}
				open={quickAction?.type === "reminder"}
				onClose={() => setQuickAction(null)}
				additionalInvalidations={[kanbanQueryKey]}
			/>
		</>
	);
}