import type { PayLinkSendResult } from '../../../services/InvoicePayLinkService.tsx';

// What billing staff are told after sending or ending an emailed pay link. The link itself is never shown.

const REFUSAL: Record<string, string> = {
    no_payer_address: 'No pay link was sent: there is no email address to send it to. An adult patient needs a sign-in email; a minor needs a related person allowed to pay, with an email.',
    no_portal_address: 'No pay link was sent: this practice has no patient portal address for the link to open.',
    no_payment_gateway: 'No pay link was sent: this practice does not take payments online.',
    invoice_not_payable: 'No pay link was sent: this invoice has nothing left to pay.',
    email_unavailable: 'The email could not be sent, so no pay link was made. Try again.',
    link_changed: 'Another pay link for this invoice was sent at the same moment. Nothing more was sent.',
};

const RECIPIENT: Record<'patient' | 'payer', string> = {
    patient: 'the patient',
    payer: 'each person allowed to pay for this patient',
};

export const payLinkSentMessage = (result: PayLinkSendResult): { ok: boolean; text: string } => {
    if (!result.ok) {
        return { ok: false, text: REFUSAL[result.reason] ?? 'No pay link was sent. Try again in a moment.' };
    }
    const to = [...new Set(result.sentTo)].map((kind) => RECIPIENT[kind]).join(' and ');
    return { ok: true, text: `A pay link was emailed to ${to}. It works for 7 days, and replaces any link sent before.` };
};

export const PAY_LINK_ENDED = 'Every pay link sent for this invoice has stopped working.';
export const PAY_LINK_END_FAILED = 'The pay links could not be ended. Try again.';