'use client';

import {
    BuildingOfficeIcon,
    ArrowLeftIcon,
    PaintBrushIcon,
    MapPinIcon,
    UserGroupIcon,
    ChartBarIcon,
    FolderIcon,
    LifebuoyIcon,
    CreditCardIcon,
    DocumentTextIcon,
    ArchiveBoxIcon,
    ShareIcon
} from '@heroicons/react/24/outline';
import Link from 'next/link';
import { useEffect, useState } from 'react';
import { useParams } from 'next/navigation';
import Tabs, { TabItem } from '@/components/ui/Tabs';

// Mapeamento de ícones para cada solução
const SOLUTION_ICONS: Record<string, React.ComponentType<{ className?: string }>> = {
    'crm': UserGroupIcon,
    'erp': ChartBarIcon,
    'projetos': FolderIcon,
    'helpdesk': LifebuoyIcon,
    'pagamentos': CreditCardIcon,
    'contratos': DocumentTextIcon,
    'documentos': ArchiveBoxIcon,
    'social': ShareIcon,
};

interface AgencyTenant {
    id: string;
    name: string;
    subdomain: string;
    domain: string;
    email: string;
    phone: string;
    website: string;
    cnpj: string;
    razao_social: string;
    description: string;
    industry: string;
    team_size: string;
    address: string;
    neighborhood: string;
    number: string;
    complement: string;
    city: string;
    state: string;
    zip: string;
    primary_color: string;
    secondary_color: string;
    logo_url: string;
    logo_horizontal_url: string;
    is_active: boolean;
    created_at: string;
    updated_at: string;
}

interface AgencyDetails {
    tenant: AgencyTenant;
    admin?: {
        id: string;
        email: string;
        name: string;
    };
    subscription?: {
        plan_id: string;
        plan_name: string;
        status: string;
        solutions: Array<{
            id: string;
            name: string;
            slug: string;
            icon: string;
        }>;
    };
    access_url: string;
}

export default function AgencyDetailPage() {
    const params = useParams();
    const [details, setDetails] = useState<AgencyDetails | null>(null);
    const [loading, setLoading] = useState(true);

    useEffect(() => {
        if (params.id) {
            fetchAgency(params.id as string);
        }
    }, [params.id]);

    const fetchAgency = async (id: string) => {
        try {
            const response = await fetch(`/api/admin/agencies/${id}`, {
                headers: {
                    'Authorization': `Bearer ${localStorage.getItem('token')}`,
                },
            });
            if (response.ok) {
                const data = await response.json();
                // Handle both flat (legacy) and nested (new) responses
                if (data.tenant) {
                    setDetails(data);
                } else {
                    // Fallback for legacy flat response
                    setDetails({
                        tenant: data,
                        access_url: `http://${data.subdomain}.localhost`, // Fallback URL
                    });
                }
            }
        } catch (error) {
            console.error('Error fetching agency:', error);
        } finally {
            setLoading(false);
        }
    };

    if (loading) {
        return (
            <div className="p-8 flex items-center justify-center min-h-[400px]">
                <div className="animate-spin rounded-full h-12 w-12 border-b-2 border-blue-600"></div>
            </div>
        );
    }

    if (!details || !details.tenant) {
        return (
            <div className="p-8">
                <div className="bg-red-50 border border-red-200 text-red-700 px-4 py-3 rounded relative" role="alert">
                    <strong className="font-bold">Erro!</strong>
                    <span className="block sm:inline"> Agência não encontrada.</span>
                </div>
                <Link
                    href="/superadmin/agencies"
                    className="mt-4 inline-flex items-center gap-2 text-gray-600 hover:text-gray-900"
                >
                    <ArrowLeftIcon className="w-4 h-4" />
                    Voltar para Agências
                </Link>
            </div>
        );
    }

    const { tenant } = details;

    const tabsConfig: TabItem[] = [
        {
            name: 'Visão Geral',
            icon: BuildingOfficeIcon,
            content: (
                <div className="space-y-6">
                    {/* Informações Básicas */}
                    <div>
                        <h3 className="text-base font-semibold text-gray-900 dark:text-white mb-4">Dados da Empresa</h3>
                        <div className="grid grid-cols-1 md:grid-cols-2 gap-6">
                            <div>
                                <dt className="text-xs font-medium text-gray-500 dark:text-gray-400 uppercase tracking-wider">Razão Social</dt>
                                <dd className="mt-1 text-sm font-medium text-gray-900 dark:text-white">{tenant.razao_social || '-'}</dd>
                            </div>
                            <div>
                                <dt className="text-xs font-medium text-gray-500 dark:text-gray-400 uppercase tracking-wider">CNPJ</dt>
                                <dd className="mt-1 text-sm font-medium text-gray-900 dark:text-white">{tenant.cnpj || '-'}</dd>
                            </div>
                            <div>
                                <dt className="text-xs font-medium text-gray-500 dark:text-gray-400 uppercase tracking-wider">Setor</dt>
                                <dd className="mt-1 text-sm text-gray-900 dark:text-white">{tenant.industry || '-'}</dd>
                            </div>
                            <div>
                                <dt className="text-xs font-medium text-gray-500 dark:text-gray-400 uppercase tracking-wider">Tamanho da Equipe</dt>
                                <dd className="mt-1 text-sm text-gray-900 dark:text-white">{tenant.team_size || '-'}</dd>
                            </div>
                            <div className="md:col-span-2">
                                <dt className="text-xs font-medium text-gray-500 dark:text-gray-400 uppercase tracking-wider">Descrição</dt>
                                <dd className="mt-1 text-sm text-gray-900 dark:text-white">{tenant.description || '-'}</dd>
                            </div>
                        </div>
                    </div>

                    <div className="border-t border-gray-200 dark:border-gray-800 pt-6"></div>

                    {/* Localização */}
                    <div>
                        <h3 className="text-base font-semibold text-gray-900 dark:text-white mb-4 flex items-center gap-2">
                            <MapPinIcon className="w-5 h-5 text-gray-500" />
                            Localização
                        </h3>
                        <div className="grid grid-cols-1 md:grid-cols-2 gap-6">
                            <div className="md:col-span-2">
                                <dt className="text-xs font-medium text-gray-500 dark:text-gray-400 uppercase tracking-wider">Endereço</dt>
                                <dd className="mt-1 text-sm text-gray-900 dark:text-white">
                                    {tenant.address ? (
                                        <>
                                            {tenant.address}
                                            {tenant.number ? `, ${tenant.number}` : ''}
                                            {tenant.complement ? ` - ${tenant.complement}` : ''}
                                        </>
                                    ) : '-'}
                                </dd>
                            </div>
                            <div>
                                <dt className="text-xs font-medium text-gray-500 dark:text-gray-400 uppercase tracking-wider">Bairro</dt>
                                <dd className="mt-1 text-sm text-gray-900 dark:text-white">{tenant.neighborhood || '-'}</dd>
                            </div>
                            <div>
                                <dt className="text-xs font-medium text-gray-500 dark:text-gray-400 uppercase tracking-wider">Cidade / UF</dt>
                                <dd className="mt-1 text-sm text-gray-900 dark:text-white">
                                    {tenant.city && tenant.state ? `${tenant.city} - ${tenant.state}` : '-'}
                                </dd>
                            </div>
                            <div>
                                <dt className="text-xs font-medium text-gray-500 dark:text-gray-400 uppercase tracking-wider">CEP</dt>
                                <dd className="mt-1 text-sm text-gray-900 dark:text-white">{tenant.zip || '-'}</dd>
                            </div>
                        </div>
                    </div>

                    <div className="border-t border-gray-200 dark:border-gray-800 pt-6"></div>

                    {/* Contato */}
                    <div>
                        <h3 className="text-base font-semibold text-gray-900 dark:text-white mb-4">Contato</h3>
                        <div className="grid grid-cols-1 md:grid-cols-2 gap-6">
                            <div>
                                <dt className="text-xs font-medium text-gray-500 dark:text-gray-400 uppercase tracking-wider">Email</dt>
                                <dd className="mt-1 text-sm text-gray-900 dark:text-white break-all">{tenant.email || '-'}</dd>
                            </div>
                            <div>
                                <dt className="text-xs font-medium text-gray-500 dark:text-gray-400 uppercase tracking-wider">Telefone</dt>
                                <dd className="mt-1 text-sm text-gray-900 dark:text-white">{tenant.phone || '-'}</dd>
                            </div>
                            <div className="md:col-span-2">
                                <dt className="text-xs font-medium text-gray-500 dark:text-gray-400 uppercase tracking-wider">Website</dt>
                                <dd className="mt-1">
                                    {tenant.website ? (
                                        <a
                                            href={tenant.website}
                                            target="_blank"
                                            rel="noopener noreferrer"
                                            className="text-sm text-[var(--brand-color)] hover:underline break-all"
                                        >
                                            {tenant.website}
                                        </a>
                                    ) : '-'}
                                </dd>
                            </div>
                        </div>
                    </div>

                    <div className="border-t border-gray-200 dark:border-gray-800 pt-6"></div>

                    {/* Metadados */}
                    <div>
                        <h3 className="text-base font-semibold text-gray-900 dark:text-white mb-4">Metadados</h3>
                        <dl className="grid grid-cols-1 md:grid-cols-2 gap-6">
                            <div>
                                <dt className="text-xs font-medium text-gray-500 dark:text-gray-400 uppercase tracking-wider">Criada em</dt>
                                <dd className="mt-1 text-sm font-medium text-gray-900 dark:text-white">
                                    {new Date(tenant.created_at).toLocaleDateString('pt-BR')}
                                </dd>
                            </div>
                            <div>
                                <dt className="text-xs font-medium text-gray-500 dark:text-gray-400 uppercase tracking-wider">Última atualização</dt>
                                <dd className="mt-1 text-sm font-medium text-gray-900 dark:text-white">
                                    {new Date(tenant.updated_at).toLocaleDateString('pt-BR')}
                                </dd>
                            </div>
                        </dl>
                    </div>
                </div>
            )
        },
        {
            name: 'Identidade Visual',
            icon: PaintBrushIcon,
            content: (
                <div className="space-y-8">
                    {/* Cores da Marca */}
                    <div>
                        <h3 className="text-base font-semibold text-gray-900 dark:text-white mb-4">Cores da Marca</h3>
                        <div className="grid grid-cols-1 md:grid-cols-2 gap-6">
                            <div>
                                <dt className="text-sm font-medium text-gray-700 dark:text-gray-300 mb-3">Cor Primária</dt>
                                <div className="flex items-center gap-4">
                                    <div
                                        className="w-20 h-20 rounded-lg border-2 border-gray-200 dark:border-gray-700 shadow-sm"
                                        style={{ backgroundColor: tenant.primary_color || '#000000' }}
                                    />
                                    <div>
                                        <span className="text-xs font-mono text-gray-900 dark:text-white block mb-1">
                                            {tenant.primary_color || '-'}
                                        </span>
                                        <span className="text-xs text-gray-500 dark:text-gray-400">
                                            Cor principal da marca
                                        </span>
                                    </div>
                                </div>
                            </div>
                            <div>
                                <dt className="text-sm font-medium text-gray-700 dark:text-gray-300 mb-3">Cor Secundária</dt>
                                <div className="flex items-center gap-4">
                                    <div
                                        className="w-20 h-20 rounded-lg border-2 border-gray-200 dark:border-gray-700 shadow-sm"
                                        style={{ backgroundColor: tenant.secondary_color || '#ffffff' }}
                                    />
                                    <div>
                                        <span className="text-xs font-mono text-gray-900 dark:text-white block mb-1">
                                            {tenant.secondary_color || '-'}
                                        </span>
                                        <span className="text-xs text-gray-500 dark:text-gray-400">
                                            Cor de apoio da marca
                                        </span>
                                    </div>
                                </div>
                            </div>
                        </div>
                    </div>

                    {/* Logos */}
                    <div className="border-t border-gray-200 dark:border-gray-800 pt-8">
                        <h3 className="text-base font-semibold text-gray-900 dark:text-white mb-4">Logotipos</h3>
                        <div className="grid grid-cols-1 md:grid-cols-2 gap-6">
                            {/* Logo Principal */}
                            <div>
                                <dt className="text-sm font-medium text-gray-700 dark:text-gray-300 mb-3">Logo Principal</dt>
                                <div className="bg-gray-50 dark:bg-gray-800 p-6 rounded-lg border border-gray-200 dark:border-gray-700 flex items-center justify-center min-h-[120px]">
                                    {tenant.logo_url ? (
                                        <img src={tenant.logo_url} alt="Logo" className="max-h-20 max-w-full object-contain" />
                                    ) : (
                                        <span className="text-sm text-gray-400">Sem logo</span>
                                    )}
                                </div>
                            </div>

                            {/* Logo Horizontal */}
                            <div>
                                <dt className="text-sm font-medium text-gray-700 dark:text-gray-300 mb-3">Logo Horizontal</dt>
                                <div className="bg-gray-50 dark:bg-gray-800 p-6 rounded-lg border border-gray-200 dark:border-gray-700 flex items-center justify-center min-h-[120px]">
                                    {tenant.logo_horizontal_url ? (
                                        <img src={tenant.logo_horizontal_url} alt="Logo Horizontal" className="max-h-16 max-w-full object-contain" />
                                    ) : (
                                        <span className="text-sm text-gray-400">Sem logo horizontal</span>
                                    )}
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            )
        },
        {
            name: 'Plano e Soluções',
            content: (
                <div className="space-y-6">
                    {details.subscription ? (
                        <>
                            {/* Informações do Plano */}
                            <div className="grid grid-cols-1 md:grid-cols-3 gap-6">
                                <div>
                                    <dt className="text-xs font-medium text-gray-500 dark:text-gray-400 uppercase tracking-wider">Plano</dt>
                                    <dd className="mt-1 text-lg font-semibold text-gray-900 dark:text-white">{details.subscription.plan_name}</dd>
                                </div>
                                <div>
                                    <dt className="text-xs font-medium text-gray-500 dark:text-gray-400 uppercase tracking-wider mb-2">Status</dt>
                                    <span className={`px-3 py-1 inline-flex text-sm font-medium rounded-full ${details.subscription.status === 'active'
                                        ? 'bg-green-100 text-green-800 dark:bg-green-900/30 dark:text-green-400'
                                        : 'bg-gray-100 text-gray-800 dark:bg-gray-900/30 dark:text-gray-400'
                                        }`}>
                                        {details.subscription.status === 'active' ? 'Ativa' : details.subscription.status}
                                    </span>
                                </div>
                            </div>

                            <div className="border-t border-gray-200 dark:border-gray-800 pt-6"></div>

                            {/* Soluções Disponíveis */}
                            {details.subscription.solutions && details.subscription.solutions.length > 0 && (
                                <div>
                                    <h3 className="text-base font-semibold text-gray-900 dark:text-white mb-4">
                                        Soluções Disponíveis ({details.subscription.solutions.length})
                                    </h3>
                                    <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
                                        {details.subscription.solutions.map((solution) => {
                                            const Icon = SOLUTION_ICONS[solution.slug] || FolderIcon;
                                            return (
                                                <div
                                                    key={solution.id}
                                                    className="flex items-center gap-3 p-4 bg-gray-50 dark:bg-gray-800 rounded-lg border border-gray-200 dark:border-gray-700"
                                                >
                                                    <div className="p-2.5 rounded-xl bg-white dark:bg-zinc-800 border border-gray-200 dark:border-gray-700">
                                                        <Icon className="w-5 h-5 text-[var(--brand-color)]" />
                                                    </div>
                                                    <div>
                                                        <span className="text-sm font-medium text-gray-900 dark:text-white block">
                                                            {solution.name}
                                                        </span>
                                                        <span className="text-xs text-gray-500 dark:text-gray-400">
                                                            {solution.slug}
                                                        </span>
                                                    </div>
                                                </div>
                                            );
                                        })}
                                    </div>
                                </div>
                            )}

                            <div className="border-t border-gray-200 dark:border-gray-800 pt-6"></div>

                            {/* Ações */}
                            <div className="flex gap-3">
                                <Link
                                    href={`/superadmin/plans/${details.subscription.plan_id}`}
                                    className="inline-flex items-center px-4 py-2 bg-[var(--brand-color)] text-white rounded-lg hover:opacity-90 transition-all font-medium text-sm"
                                >
                                    Ver Detalhes do Plano →
                                </Link>
                                <Link
                                    href={`/superadmin/plans/${details.subscription.plan_id}`}
                                    className="inline-flex items-center px-4 py-2 bg-white dark:bg-zinc-800 border border-zinc-200 dark:border-zinc-600 text-zinc-700 dark:text-zinc-300 rounded-lg hover:bg-zinc-50 dark:hover:bg-zinc-700 transition-colors font-medium text-sm"
                                >
                                    Gerenciar Soluções
                                </Link>
                            </div>
                        </>
                    ) : (
                        <div className="text-center py-12">
                            <svg className="w-16 h-16 text-gray-300 dark:text-gray-700 mx-auto mb-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={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>
                            <h3 className="text-lg font-medium text-gray-900 dark:text-white mb-2">Nenhuma Assinatura</h3>
                            <p className="text-sm text-gray-500 dark:text-gray-400">
                                Esta agência ainda não possui um plano ativo.
                            </p>
                        </div>
                    )}
                </div>
            )
        }
    ];

    return (
        <div className="p-8 max-w-7xl mx-auto">
            <div className="mb-8">
                <Link
                    href="/superadmin/agencies"
                    className="inline-flex items-center gap-2 text-gray-500 hover:text-gray-900 dark:text-gray-400 dark:hover:text-gray-200 mb-6 transition-colors"
                >
                    <ArrowLeftIcon className="w-4 h-4" />
                    Voltar para Agências
                </Link>

                <div className="flex flex-col md:flex-row md:items-center justify-between gap-4">
                    <div className="flex items-center gap-4">
                        <div className="h-16 w-16 rounded-xl bg-white dark:bg-gray-800 border border-gray-200 dark:border-gray-700 flex items-center justify-center p-2">
                            {tenant.logo_url ? (
                                <img src={tenant.logo_url} alt={tenant.name} className="max-h-full max-w-full object-contain" />
                            ) : (
                                <BuildingOfficeIcon className="w-8 h-8 text-gray-400" />
                            )}
                        </div>
                        <div>
                            <h1 className="text-2xl font-bold text-gray-900 dark:text-white">{tenant.name}</h1>
                            <div className="flex items-center gap-2 mt-1">
                                <a
                                    href={details.access_url}
                                    target="_blank"
                                    rel="noopener noreferrer"
                                    className="text-sm text-[var(--brand-color)] hover:underline flex items-center gap-1"
                                >
                                    {tenant.subdomain}.aggios.app
                                    <ArrowLeftIcon className="w-3 h-3 rotate-135" />
                                </a>
                                <span className="text-gray-300 dark:text-gray-600">|</span>
                                <span className={`px-2 py-0.5 inline-flex text-xs font-medium rounded-full ${tenant.is_active
                                    ? 'bg-green-100 text-green-800 dark:bg-green-900/30 dark:text-green-400'
                                    : 'bg-red-100 text-red-800 dark:bg-red-900/30 dark:text-red-400'
                                    }`}>
                                    {tenant.is_active ? 'Ativa' : 'Inativa'}
                                </span>
                            </div>
                        </div>
                    </div>
                    <div className="flex gap-3">
                        <Link
                            href={`/superadmin/agencies/${tenant.id}/edit`}
                            className="px-4 py-2 bg-white dark:bg-gray-800 border border-gray-200 dark:border-gray-600 text-gray-700 dark:text-gray-300 rounded-lg hover:bg-gray-50 dark:hover:bg-gray-700 transition-colors font-medium text-sm"
                        >
                            Editar Dados
                        </Link>
                        <button
                            className="px-4 py-2 bg-[var(--brand-color)] text-white rounded-lg hover:opacity-90 transition-all font-medium text-sm"
                        >
                            Acessar Painel
                        </button>
                    </div>
                </div>
            </div>

            <Tabs tabs={tabsConfig} />
        </div>
    );
}