// @requirements REQ-EU-ORDER-CONFIRMATION REQ-PRODUCT-ORDER-CONFIRMATION REQ-PRODUCT-CF-ADMIN REQ-PRODUCT-A11Y REQ-PRODUCT-MOBILE
import {escapeHtml as e,readableTime} from './render.js';
import {readConfirmationState} from './order-confirmation-state.js';
import type {OrderConfirmationArchive} from './order-confirmation-state.js';
import type {EvidenceRecord} from './types.js';
export const confirmationStatus=(value:unknown):string=>({pending:'Waiting for dispatch',leased:'Dispatch in progress',uncertain:'Acceptance uncertain',accepted:'Provider accepted',cancelled:'Dispatch cancelled'}[String(value)]??'Not prepared');
const url=(base:string,route:string,id:string,file?:string)=>base+'/'+route+'?'+new URLSearchParams({id,...(file?{file}:{})});
export async function validateConfirmationArchive(input:unknown,record:EvidenceRecord):Promise<OrderConfirmationArchive>{
 if(!input||typeof input!=='object'||Array.isArray(input))throw Error('Invalid confirmation.');const a=input as OrderConfirmationArchive,d=record.data as Record<string,unknown>;
 if(d?.kind!=='paid-order-admission')throw Error('Invalid admission.');
 const archive=await readConfirmationState({get:async<T>(key:string)=>(key==='manifest'?a.manifest:a.delivery) as T},'',{siteId:String(d.siteId),scopeId:String(d.scopeId),contextRef:String(d.streamRef),admissionId:String(d.id),reviewId:String(d.reviewId)});
 if(!archive)throw Error('Invalid confirmation.');return archive;
}
export function confirmationBody(a:OrderConfirmationArchive,record:EvidenceRecord,base:string,primaryText:string):string{
 const m=a.manifest,j=a.delivery,rows=[['Contract reference',m.contract.reference],['Addressee',m.addressee.name],['Contract concluded',m.contract.concludedAt],['Document issued',m.issuedAt],['Files recorded',j.createdAt]],preview=primaryText.slice(0,20000);
 return `<div class="order-admin"><a class="order-back" href="${e(url(base,'record',record.id))}">← Back to order request</a><header class="order-heading"><p class="eyebrow">Contract confirmation</p><h1>${e(m.contract.reference)}</h1><p>Prepared for ${e(m.addressee.name)}</p></header><section class="order-context order-confirmation-status"><h2>${e(confirmationStatus(j.status))}</h2><p>${j.status==='accepted'?'The configured provider accepted this delivery job. Recipient delivery has not been established by this ledger.':j.status==='uncertain'?'Reconcile this job with your provider using its stable delivery ID before retrying.':j.status==='cancelled'?'The host reported external delivery work stopped and cancelled further attempts.':j.status==='leased'?'A host runner holds a bounded delivery lease. A timeout does not prove that the provider rejected the message.':'The files are retained. A host runner must deliver them through the configured channel.'}</p><p class="hint">${j.attempts} attempt${j.attempts===1?'':'s'} · Updated ${readableTime(j.updatedAt)}</p></section><div class="order-detail-grid"><section class="order-context"><h2>Document context</h2><dl>${rows.map(([k,v])=>`<div><dt>${e(k!)}</dt><dd>${k==='Contract concluded'||k==='Document issued'||k==='Files recorded'?readableTime(v):e(v!)}</dd></div>`).join('')}</dl></section><aside class="order-context"><h2>Host review</h2><p>${m.reviewStatus==='reviewed'?'Declared reviewed':'Draft preview'}</p><p class="hint">The host declares these files self-contained and inclusive of required pre-contract information. Storage checks cannot verify that legal assessment.</p><p class="hint">Digital-content acknowledgment: ${m.coverage.digitalContent.status==='included'?'included in the confirmation':e(m.coverage.digitalContent.reason)}.</p></aside></div><section class="order-stored-review"><h2>Customer copy</h2><p>The retained plain-text document. Downloads below contain the exact original files.</p><div class="order-confirmation-copy">${e(preview)}</div>${preview.length<primaryText.length?'<p class="hint">Preview shortened after 20,000 characters. Download the complete file below.</p>':''}</section><section class="order-stored-review"><h2>Confirmation files</h2>${m.files.map(f=>`<div class="order-file"><a href="${e(url(base,'order-confirmation-file',record.id,f.id))}">${e(f.filename)} ↓</a><span>${f.bytes.toLocaleString('en')} bytes · ${e(f.mediaType)}</span><code>${f.sha256}</code></div>`).join('')}</section><details class="record-references"><summary>Delivery and evidence references</summary><dl>${[['Confirmation ID',m.confirmationId],['Delivery ID',j.deliveryId],['Provider reference',j.providerRef??'Not recorded'],['Recipient reference',m.addressee.recipientRef],['Destination reference',m.addressee.destinationRef],['Destination version',m.addressee.destinationVersion],['Review ID',m.reviewId]].map(([k,v])=>`<div><dt>${e(k!)}</dt><dd>${e(v!)}</dd></div>`).join('')}</dl><p class="hint">Changing files or a destination requires a separate corrective-confirmation workflow. This archive cannot be overwritten.</p></details></div>`;
}