import type { ReferralContactAttempt } from '../services/ReferralWorkbenchService';

/** An omitted or unreadable projection must not become an empty history. */
export const readReferralContacts = (raw: unknown): ReferralContactAttempt[] | undefined => {
    if (!Array.isArray(raw)) return undefined;
    const valid = raw.every(attempt => attempt && typeof attempt === 'object'
        && ['phone', 'fax', 'in-system'].includes(attempt.method)
        && typeof attempt.occurredAt === 'string' && Number.isFinite(Date.parse(attempt.occurredAt))
        && ['id', 'recipient', 'spokeWith', 'outcome', 'recordedBy'].every(field => attempt[field] === undefined || typeof attempt[field] === 'string'));
    if (!valid) return undefined;
    return raw.map(({ method, occurredAt, id, recipient, spokeWith, outcome, recordedBy }) =>
        ({ method, occurredAt, id, recipient, spokeWith, outcome, recordedBy }));
};