<script lang="ts">
	import { api } from '@sgse-app/backend/convex/_generated/api';
	import type { Id } from '@sgse-app/backend/convex/_generated/dataModel';
	import { useConvexClient, useQuery } from 'convex-svelte';
	import { resolve } from '$app/paths';
	import { page } from '$app/stores';

	const client = useConvexClient();
	let instanceId = $derived($page.params.id as Id<'flowInstances'>);

	// Query da instância com passos
	const instanceQuery = useQuery(api.flows.getInstanceWithSteps, () => ({
		id: instanceId
	}));

	// Query de usuários (para reatribuição) - será filtrado por setor no modal
	const usuariosQuery = useQuery(api.usuarios.listar, {});

	// Query de usuários por setor para atribuição
	let usuariosPorSetorQuery = $state<ReturnType<
		typeof useQuery<typeof api.flows.getUsuariosBySetorForAssignment>
	> | null>(null);

	// Estado de operações
	let isProcessing = $state(false);
	let processingError = $state<string | null>(null);

	// Modal de reatribuição
	let showReassignModal = $state(false);
	let stepToReassign = $state<{
		_id: Id<'flowInstanceSteps'>;
		stepName: string;
	} | null>(null);
	let newAssigneeId = $state<Id<'usuarios'> | ''>('');

	// Modal de notas
	let showNotesModal = $state(false);
	let stepForNotes = $state<{
		_id: Id<'flowInstanceSteps'>;
		stepName: string;
		notes: string;
	} | null>(null);
	let editedNotes = $state('');

	// Modal de upload
	let showUploadModal = $state(false);
	let stepForUpload = $state<{
		_id: Id<'flowInstanceSteps'>;
		stepName: string;
	} | null>(null);
	let uploadFile = $state<File | null>(null);
	let isUploading = $state(false);

	// Modal de confirmação de cancelamento
	let showCancelModal = $state(false);

	async function handleStartStep(stepId: Id<'flowInstanceSteps'>) {
		isProcessing = true;
		processingError = null;

		try {
			await client.mutation(api.flows.updateStepStatus, {
				instanceStepId: stepId,
				status: 'in_progress'
			});
		} catch (e) {
			processingError = e instanceof Error ? e.message : 'Erro ao iniciar passo';
		} finally {
			isProcessing = false;
		}
	}

	async function handleCompleteStep(stepId: Id<'flowInstanceSteps'>) {
		isProcessing = true;
		processingError = null;

		try {
			await client.mutation(api.flows.completeStep, {
				instanceStepId: stepId
			});
		} catch (e) {
			processingError = e instanceof Error ? e.message : 'Erro ao completar passo';
		} finally {
			isProcessing = false;
		}
	}

	async function handleBlockStep(stepId: Id<'flowInstanceSteps'>) {
		isProcessing = true;
		processingError = null;

		try {
			await client.mutation(api.flows.updateStepStatus, {
				instanceStepId: stepId,
				status: 'blocked'
			});
		} catch (e) {
			processingError = e instanceof Error ? e.message : 'Erro ao bloquear passo';
		} finally {
			isProcessing = false;
		}
	}

	function openReassignModal(step: {
		_id: Id<'flowInstanceSteps'>;
		stepName: string;
		assignedToId?: Id<'usuarios'>;
	}) {
		stepToReassign = step;
		newAssigneeId = step.assignedToId ?? '';
		showReassignModal = true;
	}

	function closeReassignModal() {
		showReassignModal = false;
		stepToReassign = null;
		newAssigneeId = '';
	}

	async function handleReassign() {
		if (!stepToReassign || !newAssigneeId) return;

		isProcessing = true;
		processingError = null;

		try {
			await client.mutation(api.flows.reassignStep, {
				instanceStepId: stepToReassign._id,
				assignedToId: newAssigneeId as Id<'usuarios'>
			});
			closeReassignModal();
		} catch (e) {
			processingError = e instanceof Error ? e.message : 'Erro ao reatribuir passo';
		} finally {
			isProcessing = false;
		}
	}

	function openNotesModal(step: {
		_id: Id<'flowInstanceSteps'>;
		stepName: string;
		notes?: string;
	}) {
		stepForNotes = { ...step, notes: step.notes ?? '' };
		editedNotes = step.notes ?? '';
		showNotesModal = true;
	}

	function closeNotesModal() {
		showNotesModal = false;
		stepForNotes = null;
		editedNotes = '';
	}

	async function handleSaveNotes() {
		if (!stepForNotes) return;

		isProcessing = true;
		processingError = null;

		try {
			await client.mutation(api.flows.updateStepNotes, {
				instanceStepId: stepForNotes._id,
				notes: editedNotes
			});
			closeNotesModal();
		} catch (e) {
			processingError = e instanceof Error ? e.message : 'Erro ao salvar notas';
		} finally {
			isProcessing = false;
		}
	}

	function openUploadModal(step: { _id: Id<'flowInstanceSteps'>; stepName: string }) {
		stepForUpload = step;
		uploadFile = null;
		showUploadModal = true;
	}

	function closeUploadModal() {
		showUploadModal = false;
		stepForUpload = null;
		uploadFile = null;
	}

	function handleFileSelect(event: Event) {
		const input = event.target as HTMLInputElement;
		if (input.files && input.files.length > 0) {
			uploadFile = input.files[0];
		}
	}

	async function handleUpload() {
		if (!stepForUpload || !uploadFile) return;

		isUploading = true;
		processingError = null;

		try {
			// Gerar URL de upload
			const uploadUrl = await client.mutation(api.flows.generateUploadUrl, {});

			// Fazer upload do arquivo
			const response = await fetch(uploadUrl, {
				method: 'POST',
				headers: { 'Content-Type': uploadFile.type },
				body: uploadFile
			});

			if (!response.ok) {
				throw new Error('Falha no upload do arquivo');
			}

			const { storageId } = await response.json();

			// Registrar o documento
			await client.mutation(api.flows.registerDocument, {
				flowInstanceStepId: stepForUpload._id,
				storageId,
				name: uploadFile.name
			});

			closeUploadModal();
		} catch (e) {
			processingError = e instanceof Error ? e.message : 'Erro ao fazer upload';
		} finally {
			isUploading = false;
		}
	}

	async function handleDeleteDocument(documentId: Id<'flowInstanceDocuments'>) {
		isProcessing = true;
		processingError = null;

		try {
			await client.mutation(api.flows.deleteDocument, { id: documentId });
		} catch (e) {
			processingError = e instanceof Error ? e.message : 'Erro ao excluir documento';
		} finally {
			isProcessing = false;
		}
	}

	async function handleCancelInstance() {
		isProcessing = true;
		processingError = null;

		try {
			await client.mutation(api.flows.cancelInstance, { id: instanceId });
			showCancelModal = false;
		} catch (e) {
			processingError = e instanceof Error ? e.message : 'Erro ao cancelar instância';
		} finally {
			isProcessing = false;
		}
	}

	function getStatusBadge(status: 'pending' | 'in_progress' | 'completed' | 'blocked') {
		switch (status) {
			case 'pending':
				return { class: 'badge-ghost', label: 'Pendente', icon: 'clock' };
			case 'in_progress':
				return { class: 'badge-info', label: 'Em Progresso', icon: 'play' };
			case 'completed':
				return { class: 'badge-success', label: 'Concluído', icon: 'check' };
			case 'blocked':
				return { class: 'badge-error', label: 'Bloqueado', icon: 'x' };
		}
	}

	function getInstanceStatusBadge(status: 'active' | 'completed' | 'cancelled') {
		switch (status) {
			case 'active':
				return { class: 'badge-info', label: 'Em Andamento' };
			case 'completed':
				return { class: 'badge-success', label: 'Concluído' };
			case 'cancelled':
				return { class: 'badge-error', label: 'Cancelado' };
		}
	}

	function formatDate(timestamp: number | undefined): string {
		if (!timestamp) return '-';
		return new Date(timestamp).toLocaleDateString('pt-BR', {
			day: '2-digit',
			month: '2-digit',
			year: 'numeric',
			hour: '2-digit',
			minute: '2-digit'
		});
	}

	function isStepCurrent(stepId: Id<'flowInstanceSteps'>): boolean {
		return instanceQuery.data?.instance.currentStepId === stepId;
	}

	function isOverdue(dueDate: number | undefined): boolean {
		if (!dueDate) return false;
		return Date.now() > dueDate;
	}
</script>

<main class="mx-auto w-full max-w-7xl space-y-8 px-4 py-10">
	{#if instanceQuery.isLoading}
		<div class="flex items-center justify-center py-24">
			<span class="loading loading-spinner loading-lg text-info"></span>
		</div>
	{:else if !instanceQuery.data}
		<div class="flex flex-col items-center justify-center py-24 text-center">
			<svg
				xmlns="http://www.w3.org/2000/svg"
				class="text-base-content/30 h-16 w-16"
				fill="none"
				viewBox="0 0 24 24"
				stroke="currentColor"
				aria-hidden="true"
			>
				<path
					stroke-linecap="round"
					stroke-linejoin="round"
					stroke-width="1.5"
					d="M9.172 16.172a4 4 0 015.656 0M9 10h.01M15 10h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"
				/>
			</svg>
			<h3 class="text-base-content/70 mt-4 text-lg font-semibold">Fluxo não encontrado</h3>
			<a href={resolve('/(dashboard)/licitacoes/fluxos')} class="btn btn-ghost mt-4"
				>Voltar para lista</a
			>
		</div>
	{:else}
		{@const instance = instanceQuery.data.instance}
		{@const steps = instanceQuery.data.steps}
		{@const statusBadge = getInstanceStatusBadge(instance.status)}

		<!-- Header -->
		<section
			class="border-info/25 from-info/10 via-base-100 to-secondary/20 relative overflow-hidden rounded-3xl border bg-linear-to-br p-8 shadow-2xl"
		>
			<div class="bg-info/20 absolute top-10 -left-10 h-40 w-40 rounded-full blur-3xl"></div>
			<div
				class="bg-secondary/20 absolute right-0 -bottom-16 h-56 w-56 rounded-full blur-3xl"
			></div>
			<div class="relative z-10">
				<div class="mb-6 flex items-center gap-4">
					<a href={resolve('/(dashboard)/licitacoes/fluxos')} class="btn btn-ghost btn-sm">
						<svg
							xmlns="http://www.w3.org/2000/svg"
							class="h-5 w-5"
							fill="none"
							viewBox="0 0 24 24"
							stroke="currentColor"
							aria-hidden="true"
						>
							<path
								stroke-linecap="round"
								stroke-linejoin="round"
								stroke-width="2"
								d="M10 19l-7-7m0 0l7-7m-7 7h18"
							/>
						</svg>
						Voltar
					</a>
					<span class="badge {statusBadge.class} badge-lg">{statusBadge.label}</span>
				</div>

				<div class="flex flex-col gap-6 lg:flex-row lg:items-start lg:justify-between">
					<div class="max-w-3xl space-y-4">
						<h1 class="text-base-content text-3xl leading-tight font-black sm:text-4xl">
							{instance.templateName ?? 'Fluxo'}
						</h1>
						<div class="flex flex-wrap gap-4">
							{#if instance.contratoId}
								<div class="flex items-center gap-2">
									<span class="badge badge-outline">Contrato</span>
									<span class="text-base-content/70 font-medium">{instance.contratoId}</span>
								</div>
							{/if}
							<div class="text-base-content/60 flex items-center gap-2">
								<svg
									xmlns="http://www.w3.org/2000/svg"
									class="h-4 w-4"
									fill="none"
									viewBox="0 0 24 24"
									stroke="currentColor"
									aria-hidden="true"
								>
									<path
										stroke-linecap="round"
										stroke-linejoin="round"
										stroke-width="2"
										d="M16 7a4 4 0 11-8 0 4 4 0 018 0zM12 14a7 7 0 00-7 7h14a7 7 0 00-7-7z"
									/>
								</svg>
								Gerente: {instance.managerName ?? '-'}
							</div>
							<div class="text-base-content/60 flex items-center gap-2">
								<svg
									xmlns="http://www.w3.org/2000/svg"
									class="h-4 w-4"
									fill="none"
									viewBox="0 0 24 24"
									stroke="currentColor"
									aria-hidden="true"
								>
									<path
										stroke-linecap="round"
										stroke-linejoin="round"
										stroke-width="2"
										d="M8 7V3m8 4V3m-9 8h10M5 21h14a2 2 0 002-2V7a2 2 0 00-2-2H5a2 2 0 00-2 2v12a2 2 0 002 2z"
									/>
								</svg>
								Iniciado: {formatDate(instance.startedAt)}
							</div>
						</div>
					</div>

					{#if instance.status === 'active'}
						<button class="btn btn-error btn-outline" onclick={() => (showCancelModal = true)}>
							<svg
								xmlns="http://www.w3.org/2000/svg"
								class="h-5 w-5"
								fill="none"
								viewBox="0 0 24 24"
								stroke="currentColor"
								aria-hidden="true"
							>
								<path
									stroke-linecap="round"
									stroke-linejoin="round"
									stroke-width="2"
									d="M6 18L18 6M6 6l12 12"
								/>
							</svg>
							Cancelar Fluxo
						</button>
					{/if}
				</div>
			</div>
		</section>

		<!-- Erro global -->
		{#if processingError}
			<div class="alert alert-error">
				<svg
					xmlns="http://www.w3.org/2000/svg"
					class="h-6 w-6 shrink-0 stroke-current"
					fill="none"
					viewBox="0 0 24 24"
					aria-hidden="true"
				>
					<path
						stroke-linecap="round"
						stroke-linejoin="round"
						stroke-width="2"
						d="M10 14l2-2m0 0l2-2m-2 2l-2-2m2 2l2 2m7-2a9 9 0 11-18 0 9 9 0 0118 0z"
					/>
				</svg>
				<span>{processingError}</span>
				<button class="btn btn-ghost btn-sm" onclick={() => (processingError = null)}>Fechar</button
				>
			</div>
		{/if}

		<!-- Timeline de Passos -->
		<section class="bg-base-100 rounded-2xl border p-6 shadow-lg">
			<h2 class="mb-6 text-xl font-bold">Timeline do Fluxo</h2>

			<div class="space-y-6">
				{#each steps as step, index (step._id)}
					{@const stepStatus = getStatusBadge(step.status)}
					{@const isCurrent = isStepCurrent(step._id)}
					{@const overdue = step.status !== 'completed' && isOverdue(step.dueDate)}

					<div class="relative flex gap-6 {index < steps.length - 1 ? 'pb-6' : ''}">
						<!-- Linha conectora -->
						{#if index < steps.length - 1}
							<div
								class="absolute top-10 bottom-0 left-5 w-0.5 {step.status === 'completed'
									? 'bg-success'
									: 'bg-base-300'}"
							></div>
						{/if}

						<!-- Indicador de status -->
						<div
							class="z-10 flex h-10 w-10 shrink-0 items-center justify-center rounded-full {step.status ===
							'completed'
								? 'bg-success text-success-content'
								: isCurrent
									? 'bg-info text-info-content'
									: step.status === 'blocked'
										? 'bg-error text-error-content'
										: 'bg-base-300 text-base-content'}"
						>
							{#if step.status === 'completed'}
								<svg
									xmlns="http://www.w3.org/2000/svg"
									class="h-5 w-5"
									fill="none"
									viewBox="0 0 24 24"
									stroke="currentColor"
									aria-hidden="true"
								>
									<path
										stroke-linecap="round"
										stroke-linejoin="round"
										stroke-width="2"
										d="M5 13l4 4L19 7"
									/>
								</svg>
							{:else if step.status === 'blocked'}
								<svg
									xmlns="http://www.w3.org/2000/svg"
									class="h-5 w-5"
									fill="none"
									viewBox="0 0 24 24"
									stroke="currentColor"
									aria-hidden="true"
								>
									<path
										stroke-linecap="round"
										stroke-linejoin="round"
										stroke-width="2"
										d="M12 9v2m0 4h.01m-6.938 4h13.856c1.54 0 2.502-1.667 1.732-3L13.732 4c-.77-1.333-2.694-1.333-3.464 0L3.34 16c-.77 1.333.192 3 1.732 3z"
									/>
								</svg>
							{:else}
								<span class="text-sm font-bold">{index + 1}</span>
							{/if}
						</div>

						<!-- Conteúdo do passo -->
						<div
							class="flex-1 rounded-xl border {isCurrent
								? 'border-info bg-info/5'
								: 'bg-base-200/50'} p-4"
						>
							<div class="flex flex-wrap items-start justify-between gap-4">
								<div>
									<div class="flex items-center gap-2">
										<h3 class="font-semibold">{step.stepName}</h3>
										<span class="badge {stepStatus.class} badge-sm">{stepStatus.label}</span>
										{#if overdue}
											<span class="badge badge-warning badge-sm">Atrasado</span>
										{/if}
									</div>
									{#if step.stepDescription}
										<p class="text-base-content/60 mt-1 text-sm">{step.stepDescription}</p>
									{/if}
									<div class="text-base-content/50 mt-2 flex flex-wrap gap-4 text-xs">
										<span class="flex items-center gap-1">
											<svg
												xmlns="http://www.w3.org/2000/svg"
												class="h-3 w-3"
												fill="none"
												viewBox="0 0 24 24"
												stroke="currentColor"
												aria-hidden="true"
											>
												<path
													stroke-linecap="round"
													stroke-linejoin="round"
													stroke-width="2"
													d="M19 21V5a2 2 0 00-2-2H7a2 2 0 00-2 2v16m14 0h2m-2 0h-5m-9 0H3m2 0h5"
												/>
											</svg>
											{step.setorNome ?? 'Setor não definido'}
										</span>
										{#if step.assignedToName}
											<span class="flex items-center gap-1">
												<svg
													xmlns="http://www.w3.org/2000/svg"
													class="h-3 w-3"
													fill="none"
													viewBox="0 0 24 24"
													stroke="currentColor"
													aria-hidden="true"
												>
													<path
														stroke-linecap="round"
														stroke-linejoin="round"
														stroke-width="2"
														d="M16 7a4 4 0 11-8 0 4 4 0 018 0zM12 14a7 7 0 00-7 7h14a7 7 0 00-7-7z"
													/>
												</svg>
												{step.assignedToName}
											</span>
										{/if}
										{#if step.dueDate}
											<span class="flex items-center gap-1 {overdue ? 'text-warning' : ''}">
												<svg
													xmlns="http://www.w3.org/2000/svg"
													class="h-3 w-3"
													fill="none"
													viewBox="0 0 24 24"
													stroke="currentColor"
													aria-hidden="true"
												>
													<path
														stroke-linecap="round"
														stroke-linejoin="round"
														stroke-width="2"
														d="M12 8v4l3 3m6-3a9 9 0 11-18 0 9 9 0 0118 0z"
													/>
												</svg>
												Prazo: {formatDate(step.dueDate)}
											</span>
										{/if}
									</div>
								</div>

								<!-- Ações do passo -->
								{#if instance.status === 'active'}
									<div class="flex flex-wrap gap-2">
										{#if step.status === 'pending'}
											<button
												class="btn btn-info btn-sm"
												onclick={() => handleStartStep(step._id)}
												disabled={isProcessing}
											>
												Iniciar
											</button>
										{:else if step.status === 'in_progress'}
											<button
												class="btn btn-success btn-sm"
												onclick={() => handleCompleteStep(step._id)}
												disabled={isProcessing}
											>
												Concluir
											</button>
											<button
												class="btn btn-warning btn-sm"
												onclick={() => handleBlockStep(step._id)}
												disabled={isProcessing}
											>
												Bloquear
											</button>
										{:else if step.status === 'blocked'}
											<button
												class="btn btn-info btn-sm"
												onclick={() => handleStartStep(step._id)}
												disabled={isProcessing}
											>
												Desbloquear
											</button>
										{/if}

										<button
											class="btn btn-ghost btn-sm"
											onclick={() => openReassignModal(step)}
											aria-label="Reatribuir responsável"
										>
											<svg
												xmlns="http://www.w3.org/2000/svg"
												class="h-4 w-4"
												fill="none"
												viewBox="0 0 24 24"
												stroke="currentColor"
												aria-hidden="true"
											>
												<path
													stroke-linecap="round"
													stroke-linejoin="round"
													stroke-width="2"
													d="M16 7a4 4 0 11-8 0 4 4 0 018 0zM12 14a7 7 0 00-7 7h14a7 7 0 00-7-7z"
												/>
											</svg>
										</button>

										<button
											class="btn btn-ghost btn-sm"
											onclick={() => openNotesModal(step)}
											aria-label="Editar notas"
										>
											<svg
												xmlns="http://www.w3.org/2000/svg"
												class="h-4 w-4"
												fill="none"
												viewBox="0 0 24 24"
												stroke="currentColor"
												aria-hidden="true"
											>
												<path
													stroke-linecap="round"
													stroke-linejoin="round"
													stroke-width="2"
													d="M11 5H6a2 2 0 00-2 2v11a2 2 0 002 2h11a2 2 0 002-2v-5m-1.414-9.414a2 2 0 112.828 2.828L11.828 15H9v-2.828l8.586-8.586z"
												/>
											</svg>
										</button>

										<button
											class="btn btn-ghost btn-sm"
											onclick={() => openUploadModal(step)}
											aria-label="Upload de documento"
										>
											<svg
												xmlns="http://www.w3.org/2000/svg"
												class="h-4 w-4"
												fill="none"
												viewBox="0 0 24 24"
												stroke="currentColor"
												aria-hidden="true"
											>
												<path
													stroke-linecap="round"
													stroke-linejoin="round"
													stroke-width="2"
													d="M7 16a4 4 0 01-.88-7.903A5 5 0 1115.9 6L16 6a5 5 0 011 9.9M15 13l-3-3m0 0l-3 3m3-3v12"
												/>
											</svg>
										</button>
									</div>
								{/if}
							</div>

							<!-- Notas -->
							{#if step.notes}
								<div class="bg-base-300/50 mt-4 rounded-lg p-3">
									<p class="text-base-content/70 text-sm whitespace-pre-wrap">{step.notes}</p>
								</div>
							{/if}

							<!-- Documentos -->
							{#if step.documents && step.documents.length > 0}
								<div class="mt-4">
									<h4 class="text-base-content/70 mb-2 text-xs font-semibold uppercase">
										Documentos
									</h4>
									<div class="flex flex-wrap gap-2">
										{#each step.documents as doc (doc._id)}
											<div class="badge badge-outline gap-2 py-3">
												<svg
													xmlns="http://www.w3.org/2000/svg"
													class="h-3 w-3"
													fill="none"
													viewBox="0 0 24 24"
													stroke="currentColor"
													aria-hidden="true"
												>
													<path
														stroke-linecap="round"
														stroke-linejoin="round"
														stroke-width="2"
														d="M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z"
													/>
												</svg>
												{doc.name}
												<button
													class="btn btn-ghost btn-xs text-error"
													onclick={() => handleDeleteDocument(doc._id)}
													aria-label="Excluir documento {doc.name}"
												>
													×
												</button>
											</div>
										{/each}
									</div>
								</div>
							{/if}

							<!-- Datas de início/fim -->
							{#if step.startedAt || step.finishedAt}
								<div class="text-base-content/40 mt-4 flex gap-4 text-xs">
									{#if step.startedAt}
										<span>Iniciado: {formatDate(step.startedAt)}</span>
									{/if}
									{#if step.finishedAt}
										<span>Concluído: {formatDate(step.finishedAt)}</span>
									{/if}
								</div>
							{/if}
						</div>
					</div>
				{/each}
			</div>
		</section>
	{/if}
</main>

<!-- Modal de Reatribuição -->
{#if showReassignModal && stepToReassign}
	<div class="modal modal-open">
		<div class="modal-box">
			<h3 class="text-lg font-bold">Reatribuir Responsável</h3>
			<p class="text-base-content/60 mt-2">
				Selecione o novo responsável pelo passo <strong>{stepToReassign.stepName}</strong>
			</p>

			<div class="form-control mt-4">
				<label class="label" for="assignee-select">
					<span class="label-text">Responsável</span>
				</label>
				<select
					id="assignee-select"
					bind:value={newAssigneeId}
					class="select select-bordered w-full"
				>
					<option value="">Selecione um usuário</option>
					{#if usuariosQuery.data}
						{#each usuariosQuery.data as usuario (usuario._id)}
							<option value={usuario._id}>{usuario.nome}</option>
						{/each}
					{/if}
				</select>
			</div>

			<div class="modal-action">
				<button class="btn" onclick={closeReassignModal} disabled={isProcessing}> Cancelar </button>
				<button
					class="btn btn-primary"
					onclick={handleReassign}
					disabled={isProcessing || !newAssigneeId}
				>
					{#if isProcessing}
						<span class="loading loading-spinner loading-sm"></span>
					{/if}
					Reatribuir
				</button>
			</div>
		</div>
		<button
			type="button"
			class="modal-backdrop"
			onclick={closeReassignModal}
			aria-label="Fechar modal"
		></button>
	</div>
{/if}

<!-- Modal de Notas -->
{#if showNotesModal && stepForNotes}
	<div class="modal modal-open">
		<div class="modal-box">
			<h3 class="text-lg font-bold">Notas do Passo</h3>
			<p class="text-base-content/60 mt-2">
				Adicione ou edite notas para o passo <strong>{stepForNotes.stepName}</strong>
			</p>

			<div class="form-control mt-4">
				<label class="label" for="notes-textarea">
					<span class="label-text">Notas</span>
				</label>
				<textarea
					id="notes-textarea"
					bind:value={editedNotes}
					class="textarea textarea-bordered w-full"
					rows="5"
					placeholder="Adicione observações, comentários ou informações relevantes..."
				></textarea>
			</div>

			<div class="modal-action">
				<button class="btn" onclick={closeNotesModal} disabled={isProcessing}> Cancelar </button>
				<button class="btn btn-primary" onclick={handleSaveNotes} disabled={isProcessing}>
					{#if isProcessing}
						<span class="loading loading-spinner loading-sm"></span>
					{/if}
					Salvar
				</button>
			</div>
		</div>
		<button type="button" class="modal-backdrop" onclick={closeNotesModal} aria-label="Fechar modal"
		></button>
	</div>
{/if}

<!-- Modal de Upload -->
{#if showUploadModal && stepForUpload}
	<div class="modal modal-open">
		<div class="modal-box">
			<h3 class="text-lg font-bold">Upload de Documento</h3>
			<p class="text-base-content/60 mt-2">
				Anexe um documento ao passo <strong>{stepForUpload.stepName}</strong>
			</p>

			<div class="form-control mt-4">
				<label class="label" for="file-input">
					<span class="label-text">Arquivo</span>
				</label>
				<input
					type="file"
					id="file-input"
					class="file-input file-input-bordered w-full"
					onchange={handleFileSelect}
				/>
			</div>

			{#if uploadFile}
				<p class="text-base-content/60 mt-2 text-sm">
					Arquivo selecionado: <strong>{uploadFile.name}</strong>
				</p>
			{/if}

			<div class="modal-action">
				<button class="btn" onclick={closeUploadModal} disabled={isUploading}> Cancelar </button>
				<button
					class="btn btn-primary"
					onclick={handleUpload}
					disabled={isUploading || !uploadFile}
				>
					{#if isUploading}
						<span class="loading loading-spinner loading-sm"></span>
					{/if}
					Enviar
				</button>
			</div>
		</div>
		<button
			type="button"
			class="modal-backdrop"
			onclick={closeUploadModal}
			aria-label="Fechar modal"
		></button>
	</div>
{/if}

<!-- Modal de Cancelamento -->
{#if showCancelModal}
	<div class="modal modal-open">
		<div class="modal-box">
			<h3 class="text-error text-lg font-bold">Cancelar Fluxo</h3>
			<p class="py-4">Tem certeza que deseja cancelar este fluxo?</p>
			<p class="text-base-content/60 text-sm">
				Esta ação não pode ser desfeita. Todos os passos pendentes serão marcados como cancelados.
			</p>

			<div class="modal-action">
				<button class="btn" onclick={() => (showCancelModal = false)} disabled={isProcessing}>
					Voltar
				</button>
				<button class="btn btn-error" onclick={handleCancelInstance} disabled={isProcessing}>
					{#if isProcessing}
						<span class="loading loading-spinner loading-sm"></span>
					{/if}
					Cancelar Fluxo
				</button>
			</div>
		</div>
		<button
			type="button"
			class="modal-backdrop"
			onclick={() => (showCancelModal = false)}
			aria-label="Fechar modal"
		></button>
	</div>
{/if}
