import { BadgeWithDot } from '@/components/base/badges/badges';
import { cx } from '@/utils/cx';
import type { IntegrationStatus, AuthStatus, LeadIngestionSource } from '@/types/entities';

interface IntegrationHealthProps {
    sources: LeadIngestionSource[];
}

const statusBorderMap: Record<IntegrationStatus, string> = {
    ACTIVE: 'border-secondary',
    WARNING: 'border-warning',
    ERROR: 'border-error',
    DISABLED: 'border-secondary',
};

const statusBadgeColorMap: Record<IntegrationStatus, 'success' | 'warning' | 'error' | 'gray'> = {
    ACTIVE: 'success',
    WARNING: 'warning',
    ERROR: 'error',
    DISABLED: 'gray',
};

const authBadgeColorMap: Record<AuthStatus, 'success' | 'warning' | 'error' | 'gray'> = {
    VALID: 'success',
    EXPIRING_SOON: 'warning',
    EXPIRED: 'error',
    NOT_CONFIGURED: 'gray',
};

function formatRelativeTime(isoString: string): string {
    const diffMs = Date.now() - new Date(isoString).getTime();
    const diffMinutes = Math.floor(diffMs / (1000 * 60));

    if (diffMinutes < 1) return 'just now';
    if (diffMinutes < 60) return `${diffMinutes} min ago`;

    const diffHours = Math.floor(diffMinutes / 60);
    if (diffHours < 24) return `${diffHours}h ago`;

    const diffDays = Math.floor(diffHours / 24);
    return `${diffDays}d ago`;
}

export const IntegrationHealth = ({ sources }: IntegrationHealthProps) => {
    return (
        <div className="rounded-2xl border border-secondary bg-primary p-5">
            <h3 className="text-sm font-bold text-primary">Integration Health</h3>

            <div className="mt-4 grid grid-cols-1 gap-3 sm:grid-cols-2 xl:grid-cols-3">
                {sources.map((source) => {
                    const status = source.integrationStatus ?? 'DISABLED';
                    const authStatus = source.authStatus ?? 'NOT_CONFIGURED';
                    const showAuthBadge = authStatus !== 'VALID';

                    return (
                        <div
                            key={source.id}
                            className={cx(
                                'rounded-xl border bg-primary p-4',
                                statusBorderMap[status],
                            )}
                        >
                            <div className="flex items-center justify-between">
                                <span className="text-sm font-semibold text-primary">
                                    {source.sourceName}
                                </span>
                                <BadgeWithDot
                                    size="sm"
                                    type="pill-color"
                                    color={statusBadgeColorMap[status]}
                                >
                                    {status}
                                </BadgeWithDot>
                            </div>

                            <p className="mt-2 text-xs text-tertiary">
                                {source.leadsReceivedLast24h ?? 0} leads in 24h
                            </p>

                            {source.lastSuccessfulSyncAt && (
                                <p className="mt-0.5 text-xs text-quaternary">
                                    Last sync: {formatRelativeTime(source.lastSuccessfulSyncAt)}
                                </p>
                            )}

                            {showAuthBadge && (
                                <div className="mt-2">
                                    <BadgeWithDot
                                        size="sm"
                                        type="pill-color"
                                        color={authBadgeColorMap[authStatus]}
                                    >
                                        Auth: {authStatus.replace(/_/g, ' ')}
                                    </BadgeWithDot>
                                </div>
                            )}

                            {(status === 'WARNING' || status === 'ERROR') && source.lastErrorMessage && (
                                <p
                                    className={cx(
                                        'mt-2 text-xs',
                                        status === 'ERROR' ? 'text-error-primary' : 'text-warning-primary',
                                    )}
                                >
                                    {source.lastErrorMessage}
                                </p>
                            )}
                        </div>
                    );
                })}
            </div>
        </div>
    );
};