import { useState } from 'react';
import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
import {
    faPhone,
    faCommentDots,
    faSquare,
    faMagnifyingGlass,
    faCamera,
    faGlobe,
    faEnvelope,
    faCopy,
    faCircleCheck,
    faCircleXmark,
    faGear,
} from '@fortawesome/pro-duotone-svg-icons';
import { Badge } from '@/components/base/badges/badges';
import { Button } from '@/components/base/buttons/button';
import { TopBar } from '@/components/layout/top-bar';
import { IntegrationEditSlideout } from '@/components/integrations/integration-edit-slideout';
import { notify } from '@/lib/toast';

type IntegrationType = 'ozonetel' | 'whatsapp' | 'facebook' | 'google' | 'instagram' | 'website' | 'email';

type IntegrationConfig = {
    type: IntegrationType;
    name: string;
    details: { label: string; value: string }[];
    webhookUrl?: string;
};

type IntegrationStatus = 'connected' | 'disconnected' | 'configured';

type IntegrationCardProps = {
    name: string;
    description: string;
    icon: any;
    iconColor: string;
    status: IntegrationStatus;
    details: { label: string; value: string }[];
    webhookUrl?: string;
    onConfigure?: () => void;
};

const statusConfig: Record<IntegrationStatus, { color: 'success' | 'error' | 'warning'; label: string }> = {
    connected: { color: 'success', label: 'Connected' },
    disconnected: { color: 'error', label: 'Not Connected' },
    configured: { color: 'warning', label: 'Configured' },
};

const IntegrationCard = ({ name, description, icon, iconColor, status, details, webhookUrl, onConfigure }: IntegrationCardProps) => {
    const statusCfg = statusConfig[status];

    const copyWebhook = () => {
        if (webhookUrl) {
            navigator.clipboard.writeText(webhookUrl);
            notify.success('Copied', 'Webhook URL copied to clipboard');
        }
    };

    return (
        <div className="rounded-xl border border-secondary bg-primary p-5 shadow-xs">
            <div className="flex items-start justify-between">
                <div className="flex items-center gap-3">
                    <div className="flex size-10 items-center justify-center rounded-lg bg-secondary">
                        <FontAwesomeIcon icon={icon} className={`size-5 ${iconColor}`} />
                    </div>
                    <div>
                        <h3 className="text-sm font-semibold text-primary">{name}</h3>
                        <p className="text-xs text-tertiary">{description}</p>
                    </div>
                </div>
                <div className="flex items-center gap-2">
                    {onConfigure && (
                        <Button
                            size="sm"
                            color="secondary"
                            iconLeading={({ className }: { className?: string }) => (
                                <FontAwesomeIcon icon={faGear} className={className} />
                            )}
                            onClick={onConfigure}
                        >
                            Configure
                        </Button>
                    )}
                    <Badge size="sm" color={statusCfg.color} type="pill-color">
                        <FontAwesomeIcon icon={status === 'connected' ? faCircleCheck : faCircleXmark} className="mr-1 size-3" />
                        {statusCfg.label}
                    </Badge>
                </div>
            </div>

            {details.length > 0 && (
                <div className="mt-4 space-y-2">
                    {details.map((d) => (
                        <div key={d.label} className="flex items-center justify-between text-xs">
                            <span className="text-tertiary">{d.label}</span>
                            <span className="font-medium text-secondary">{d.value}</span>
                        </div>
                    ))}
                </div>
            )}

            {webhookUrl && (
                <div className="mt-4 flex items-center gap-2 rounded-lg bg-secondary p-3">
                    <code className="flex-1 truncate text-xs text-secondary">{webhookUrl}</code>
                    <Button size="sm" color="secondary" iconLeading={({ className }: { className?: string }) => (
                        <FontAwesomeIcon icon={faCopy} className={className} />
                    )} onClick={copyWebhook}>
                        Copy
                    </Button>
                </div>
            )}
        </div>
    );
};

export const IntegrationsPage = () => {
    const webhookBase = 'https://engage-api.srv1477139.hstgr.cloud';
    const [editIntegration, setEditIntegration] = useState<IntegrationConfig | null>(null);

    const openEdit = (config: IntegrationConfig) => setEditIntegration(config);

    return (
        <div className="flex flex-1 flex-col overflow-hidden">
            <TopBar title="Integrations" subtitle="Manage external service connections" />

            <div className="flex-1 overflow-y-auto p-6 space-y-4">
                {/* Telephony */}
                <IntegrationCard
                    name="Ozonetel CloudAgent"
                    description="Cloud telephony — inbound/outbound calls, SIP softphone, IVR"
                    icon={faPhone}
                    iconColor="text-fg-brand-primary"
                    status="connected"
                    details={[
                        { label: 'Account', value: 'global_healthx' },
                        { label: 'Agent ID', value: 'global' },
                        { label: 'SIP Extension', value: '523590' },
                        { label: 'Inbound Campaign', value: 'Inbound_918041763265' },
                        { label: 'DID Number', value: '+91 804 176 3265' },
                    ]}
                    webhookUrl={`${webhookBase}/webhooks/ozonetel/missed-call`}
                    onConfigure={() => openEdit({
                        type: 'ozonetel',
                        name: 'Ozonetel CloudAgent',
                        details: [
                            { label: 'Account', value: 'global_healthx' },
                            { label: 'Agent ID', value: 'global' },
                            { label: 'SIP Extension', value: '523590' },
                            { label: 'Inbound Campaign', value: 'Inbound_918041763265' },
                        ],
                    })}
                />

                {/* WhatsApp */}
                <IntegrationCard
                    name="WhatsApp Business"
                    description="Send templates, receive messages, automate outreach"
                    icon={faCommentDots}
                    iconColor="text-green-600"
                    status="disconnected"
                    details={[]}
                    onConfigure={() => openEdit({ type: 'whatsapp', name: 'WhatsApp Business', details: [] })}
                />

                {/* Facebook Lead Ads */}
                <IntegrationCard
                    name="Facebook Lead Ads"
                    description="Auto-import leads from Facebook ad campaigns"
                    icon={faSquare}
                    iconColor="text-blue-600"
                    status="disconnected"
                    details={[]}
                    onConfigure={() => openEdit({ type: 'facebook', name: 'Facebook Lead Ads', details: [] })}
                />

                {/* Google Ads */}
                <IntegrationCard
                    name="Google Ads"
                    description="Sync leads from Google Search and Display campaigns"
                    icon={faMagnifyingGlass}
                    iconColor="text-red-500"
                    status="disconnected"
                    details={[]}
                    onConfigure={() => openEdit({ type: 'google', name: 'Google Ads', details: [] })}
                />

                {/* Instagram */}
                <IntegrationCard
                    name="Instagram Lead Ads"
                    description="Capture leads from Instagram ad forms"
                    icon={faCamera}
                    iconColor="text-pink-600"
                    status="disconnected"
                    details={[]}
                    onConfigure={() => openEdit({ type: 'instagram', name: 'Instagram Lead Ads', details: [] })}
                />

                {/* Website */}
                <IntegrationCard
                    name="Website Lead Forms"
                    description="Capture leads from website contact forms via webhook"
                    icon={faGlobe}
                    iconColor="text-fg-brand-primary"
                    status="configured"
                    details={[
                        { label: 'Method', value: 'POST webhook' },
                    ]}
                    webhookUrl={`${webhookBase}/webhooks/website/lead`}
                    onConfigure={() => openEdit({
                        type: 'website',
                        name: 'Website Lead Forms',
                        details: [{ label: 'Method', value: 'POST webhook' }],
                        webhookUrl: `${webhookBase}/webhooks/website/lead`,
                    })}
                />

                {/* Email */}
                <IntegrationCard
                    name="Email (SMTP)"
                    description="Outbound email for campaigns and notifications"
                    icon={faEnvelope}
                    iconColor="text-fg-quaternary"
                    status="disconnected"
                    details={[]}
                    onConfigure={() => openEdit({ type: 'email', name: 'Email (SMTP)', details: [] })}
                />
            </div>

            {editIntegration && (
                <IntegrationEditSlideout
                    isOpen={!!editIntegration}
                    onOpenChange={(open) => { if (!open) setEditIntegration(null); }}
                    integration={editIntegration}
                />
            )}
        </div>
    );
};