import{createHash as e}from"node:crypto";import{dirname as t,isAbsolute as n,join as r}from"node:path";import{HealthBus as i,createLogger as a,serializeError as o}from"../../core/dist/index.js";import{GIT_REF_SLUG_PATTERN as s,gitAvailable as c,gitCommitToRef as l,gitExec as u,slugForRef as d}from"../../tools/dist/index.js";import{mkdir as f,readFile as p,readdir as m,stat as h,unlink as g,writeFile as _}from"node:fs/promises";var v=class{baseDir;constructor(e){this.baseDir=e}async initialize(){await f(this.baseDir,{recursive:!0})}async read(e){let t=r(this.baseDir,e);try{return await p(t,`utf-8`)}catch(e){if(e.code===`ENOENT`)return null;throw e}}async write(e,n,i){let a=r(this.baseDir,e);await f(t(a),{recursive:!0}),await _(a,n,{encoding:`utf-8`,flag:i?.exclusive?`wx`:`w`})}async delete(e){let t=r(this.baseDir,e);try{return await g(t),!0}catch(e){if(e.code===`ENOENT`)return!1;throw e}}async list(e){let t=[],n=e?[e]:await this.listDirectories();for(let e of n){let n=r(this.baseDir,e),i;try{i=await m(n)}catch{continue}for(let n of i){if(!n.endsWith(`.md`))continue;let i=`${e}/${n}`,a=r(this.baseDir,i);try{let e=await h(a);t.push({path:i,size:e.size})}catch{}}}return t}async exists(e){let t=r(this.baseDir,e);try{return await h(t),!0}catch{return!1}}async listDirectories(){try{return(await m(this.baseDir,{withFileTypes:!0})).filter(e=>e.isDirectory()&&/^[a-z][a-z0-9-]*$/.test(e.name)).map(e=>e.name)}catch{return[]}}async close(){}};const y=50*1024,b=`refs/aikit/knowledge`,x=a(`server`);var S=class{curatedDir;store;embedder;adapter;constructor(e,t,n,r=new v(e)){this.curatedDir=e,this.store=t,this.embedder=n,this.adapter=r}async remember(e,t,n,r=[]){this.validateCategoryName(n),this.validateContentSize(t);let i=this.normalizeTags(r),a=this.slugify(e),o=await this.uniqueRelativePath(n,a),s=new Date().toISOString(),c={title:e,category:n,tags:i,created:s,updated:s,version:1,origin:`curated`,changelog:[{version:1,date:s,reason:`Initial creation`}]},l=this.serializeFile(t,c);try{await this.adapter.write(o,l,{exclusive:!0})}catch(e){throw e.code===`EEXIST`?Error(`Concurrent write collision for "${o}" — retry the operation`):e}return this.gitCommitKnowledge(o,l,`remember: ${e}\n\nCategory: ${n}\nTags: ${i.join(`, `)}`),await this.indexCuratedFileBestEffort(o,t,c,`remember`),{path:o}}async upsertAutoKnowledge(e,t,n,r,i=[],a=`Auto-knowledge refresh`){e=this.guardPath(e),this.validateCategoryName(r),this.validateContentSize(n),this.ensureCategoryPath(e,r);let o=this.normalizeTags(i),s=await this.adapter.read(e);if(s==null){let i=new Date().toISOString(),a={title:t,category:r,tags:o,created:i,updated:i,version:1,origin:`curated`,changelog:[{version:1,date:i,reason:`Initial creation`}]},s=this.serializeFile(n,a);try{await this.adapter.write(e,s,{exclusive:!0})}catch(t){throw t.code===`EEXIST`?Error(`Concurrent write collision for "${e}" — retry the operation`):t}return this.gitCommitKnowledge(e,s,`remember: ${t}\n\nCategory: ${r}\nTags: ${o.join(`, `)}`),await this.indexCuratedFileBestEffort(e,n,a,`remember`),{path:e,status:`created`,version:1}}let{frontmatter:c,content:l}=this.parseFile(s),u=this.normalizeTags(c.tags??[]),d=t.trim()||c.title;if(l===n&&c.category===r&&c.title===d&&this.sameTags(u,o))return{path:e,status:`unchanged`,version:c.version??1};let f=(c.version??1)+1,p=new Date().toISOString();c.title=d,c.category=r,c.tags=o,c.version=f,c.updated=p,c.changelog=[...c.changelog??[],{version:f,date:p,reason:a}];let m=this.serializeFile(n,c);return await this.adapter.write(e,m),this.gitCommitKnowledge(e,m,`update(v${f}): ${c.title}\n\nReason: ${a}\nVersion: ${f}`),await this.indexCuratedFileBestEffort(e,n,c,`update`),{path:e,status:`updated`,version:f}}async update(e,t,n){e=this.guardPath(e),this.validateContentSize(t);let r=await this.adapter.read(e);if(r==null)throw Error(`Curated entry not found: ${e}`);let{frontmatter:i}=this.parseFile(r),a=(i.version??1)+1,o=new Date().toISOString();i.version=a,i.updated=o,i.changelog=[...i.changelog??[],{version:a,date:o,reason:n}];let s=this.serializeFile(t,i);return await this.adapter.write(e,s),this.gitCommitKnowledge(e,s,`update(v${a}): ${i.title}\n\nReason: ${n}\nVersion: ${a}`),await this.indexCuratedFileBestEffort(e,t,i,`update`),{path:e,version:a}}async forget(e,t){if(e=this.guardPath(e),!await this.adapter.delete(e))throw Error(`Curated entry not found: ${e}`);let n=`.ai/curated/${e}`;return await this.store.deleteBySourcePath(n).catch(e=>{x.warn(`File deleted but vector cleanup failed`,{sourcePath:n,...o(e)})}),this.gitDeleteKnowledgeRef(e),{path:e}}async history(e,t=20){if(e=this.guardPath(e),!c(this.curatedDir))return[];let n=this.knowledgeRefForPath(e);if(!n)return[];let r=u([`log`,`--format=%H|%aI|%s`,n,`-n`,String(t)],this.curatedDir);return r?r.split(`
`).filter(Boolean).map(e=>{let[t,n,...r]=e.split(`|`);return{sha:t,date:n,message:r.join(`|`)}}):[]}async diff(e,t,n){if(e=this.guardPath(e),!c(this.curatedDir))return``;if(!n){let r=await this.history(e,2);if(r.length===0)return``;n=r[0].sha,r.length>1&&!t&&(t=r[1].sha)}return t&&n?u([`diff`,`${t}:entry.md`,`${n}:entry.md`],this.curatedDir)??``:n?u([`show`,`${n}:entry.md`],this.curatedDir)??``:``}async recover(e){if(e=this.guardPath(e),await this.adapter.exists(e))throw Error(`Entry already exists on filesystem: ${e}. Use update() instead.`);if(!c(this.curatedDir))return null;let t=this.knowledgeRefForPath(e);if(!t)return null;let n=u([`show`,`${t}:entry.md`],this.curatedDir);if(!n)return null;await this.adapter.write(e,n);let{frontmatter:r,content:i}=this.parseFile(n);return await this.indexCuratedFile(e,i,r),{path:e,version:r.version??1}}async listOrphaned(){if(!c(this.curatedDir))return[];let e=u([`for-each-ref`,`--format=%(refname)|%(subject)`,`${b}/`],this.curatedDir);if(!e)return[];let t=[];for(let n of e.split(`
`).filter(Boolean)){let[e,...r]=n.split(`|`),i=r.join(`|`),a=`${e.replace(`${b}/`,``)}.md`;await this.adapter.exists(a)||t.push({ref:e,path:a,lastMessage:i})}return t}async read(e){e=this.guardPath(e);let t=await this.adapter.read(e);if(t==null)throw Error(`Curated entry not found: ${e}`);let{frontmatter:n,content:r}=this.parseFile(t),i=e.split(`/`)[0];return{path:e,title:n.title??e,category:i,tags:n.tags??[],version:n.version??1,created:n.created??``,updated:n.updated??``,contentPreview:r.slice(0,200),content:r}}async list(e){let t=[],n=e?.category?[e.category]:await this.discoverCategories();for(let r of n){let n=await this.adapter.list(r);for(let i of n){let n=await this.adapter.read(i.path);if(n==null)continue;let{frontmatter:a,content:o}=this.parseFile(n);e?.tag&&!(a.tags??[]).includes(e.tag)||t.push({path:i.path,title:a.title??i.path,category:r,tags:a.tags??[],version:a.version??1,created:a.created??``,updated:a.updated??``,contentPreview:o.slice(0,200)})}}return t}async reindexAll(){let e=await this.discoverCategories(),t=[],n=[];for(let r of e){let e=await this.adapter.list(r);for(let r of e){let e=r.path;try{let r=await this.adapter.read(e);if(r==null){t.push(`${e}: read failed`);continue}let{frontmatter:i,content:a}=this.parseFile(r);n.push({relativePath:e,content:a,frontmatter:i})}catch(n){x.error(`Failed to read curated file`,{relativePath:e,...o(n)}),t.push(`${e}: read failed`)}}}if(n.length===0)return{indexed:0,errors:t};let r=new Date().toISOString(),i=0;for(let e=0;e<n.length;e+=16){let a=n.slice(e,e+16);i+=await this.embedAndUpsertBatch(a,r,t)}return{indexed:i,errors:t}}async embedAndUpsertBatch(e,t,n){try{let r=await this.embedder.embedBatch(e.map(e=>e.content)),i=e.map(e=>{let n=`.ai/curated/${e.relativePath}`;return{id:this.hashId(n,0),content:e.content,sourcePath:n,contentType:`curated-knowledge`,headingPath:e.frontmatter.title,chunkIndex:0,totalChunks:1,startLine:1,endLine:e.content.split(`
`).length,fileHash:this.hash(e.content),indexedAt:t,origin:`curated`,tags:e.frontmatter.tags,category:e.frontmatter.category,version:e.frontmatter.version}});try{return await this.store.upsert(i,r),e.length}catch(t){x.error(`Failed to upsert curated batch`,{batchSize:e.length,...o(t)});for(let t of e)n.push(`${t.relativePath}: upsert failed`);return 0}}catch(r){if(e.length===1)return x.error(`Failed to embed curated item`,{relativePath:e[0].relativePath,...o(r)}),n.push(`${e[0].relativePath}: reindex failed`),0;x.warn(`Curated embed batch failed, retrying with smaller chunks`,{batchSize:e.length,...o(r)});let i=Math.ceil(e.length/2),a=e.slice(0,i),s=e.slice(i);return await this.embedAndUpsertBatch(a,t,n)+await this.embedAndUpsertBatch(s,t,n)}}gitCommitKnowledge(e,t,n){try{if(!c(this.curatedDir))return;let r=this.knowledgeRefForPath(e);if(!r)return;l(r,`entry.md`,t,n,this.curatedDir)}catch{}}gitDeleteKnowledgeRef(e){try{if(!c(this.curatedDir))return;let t=this.knowledgeRefForPath(e);if(!t)return;u([`update-ref`,`-d`,t],this.curatedDir)}catch{}}knowledgeRefForPath(e){let t=e.replace(/\.md$/,``).split(`/`).map(e=>d(e)).join(`/`);return t.split(`/`).every(e=>s.test(e))?`${b}/${t}`:null}async indexCuratedFile(e,t,n){let r=await this.embedder.embed(t),i=`.ai/curated/${e}`,a=new Date().toISOString(),o={id:this.hashId(i,0),content:t,sourcePath:i,contentType:`curated-knowledge`,headingPath:n.title,chunkIndex:0,totalChunks:1,startLine:1,endLine:t.split(`
`).length,fileHash:this.hash(t),indexedAt:a,origin:`curated`,tags:n.tags,category:n.category,version:n.version};await this.store.upsert([o],[r])}async indexCuratedFileBestEffort(e,t,n,r){if(i.instance().isDegraded(`embedder`)){x.debug(`Skipping vector indexing — embedder degraded`,{relativePath:e,operation:r,subsystem:`embedder`});return}try{await this.indexCuratedFile(e,t,n)}catch(t){x.warn(`Curated file persisted but vector indexing deferred`,{relativePath:e,operation:r,...o(t)})}}async discoverCategories(){return this.adapter.listDirectories()}guardPath(e){let t=e.replace(/^\.ai\/curated\//,``);if(t.endsWith(`.md`)||(t+=`.md`),t.includes(`..`)||n(t))throw Error(`Invalid path: ${t}. Must be relative within .ai/curated/ directory.`);let r=t.split(`/`)[0];return this.validateCategoryName(r),t}validateCategoryName(e){if(!/^[a-z][a-z0-9-]*$/.test(e))throw Error(`Invalid category name: "${e}". Must be lowercase kebab-case (e.g., "decisions", "api-contracts").`)}validateContentSize(e){if(Buffer.byteLength(e,`utf-8`)>y)throw Error(`Content exceeds maximum size of ${y/1024}KB`)}slugify(e){return e.toLowerCase().replace(/[^a-z0-9]+/g,`-`).replace(/^-|-$/g,``).slice(0,80)}normalizeTags(e){return[...new Set(e.map(e=>e.trim()).filter(Boolean))]}sameTags(e,t){if(e.length!==t.length)return!1;let n=new Set(e);return t.every(e=>n.has(e))}ensureCategoryPath(e,t){if(!e.startsWith(`${t}/`))throw Error(`Curated path "${e}" must stay within category "${t}"`)}async uniqueRelativePath(e,t){let n=`${e}/${t}.md`;if(!await this.adapter.exists(n))return n;for(let n=2;n<=100;n++){let r=`${e}/${t}-${n}.md`;if(!await this.adapter.exists(r))return r}throw Error(`Too many entries with slug "${t}" in category "${e}"`)}hash(t){return e(`sha256`).update(t).digest(`hex`).slice(0,16)}hashId(e,t){return this.hash(`${e}::${t}`)}serializeFile(e,t){return`${[`---`,`title: "${t.title.replace(/"/g,`\\"`)}"`,`category: ${t.category}`,`tags: [${t.tags.map(e=>`"${e}"`).join(`, `)}]`,`created: ${t.created}`,`updated: ${t.updated}`,`version: ${t.version}`,`origin: ${t.origin}`,`changelog:`,...t.changelog.map(e=>`  - version: ${e.version}\n    date: ${e.date}\n    reason: "${e.reason.replace(/"/g,`\\"`)}"`),`---`].join(`
`)}\n\n${e}\n`}parseFile(e){let t=e.match(/^---\n([\s\S]*?)\n---\n\n?([\s\S]*)$/);if(!t)return{frontmatter:{title:`Untitled`,category:`notes`,tags:[],created:``,updated:``,version:1,origin:`curated`,changelog:[]},content:e};let n=t[1],r=t[2].trim(),i={},a=[],o=n.split(`
`),s=!1,c={};for(let e of o){if(/^changelog:\s*$/.test(e)){s=!0;continue}if(s){let t=e.match(/^\s+-\s+version:\s*(\d+)$/);if(t){c.version!=null&&a.push(c),c={version:parseInt(t[1],10)};continue}let n=e.match(/^\s+date:\s*(.+)$/);if(n){c.date=n[1].trim();continue}let r=e.match(/^\s+reason:\s*"?(.*?)"?\s*$/);if(r){c.reason=r[1];continue}/^\w/.test(e)&&(s=!1,c.version!=null&&a.push(c),c={});continue}let t=e.match(/^(\w+):\s*(.*)$/);if(t){let e=t[1],n=t[2];typeof n==`string`&&n.startsWith(`[`)&&n.endsWith(`]`)?n=n.slice(1,-1).split(`,`).map(e=>e.trim().replace(/^"|"$/g,``)).filter(e=>e.length>0):typeof n==`string`&&/^\d+$/.test(n)?n=parseInt(n,10):typeof n==`string`&&n.startsWith(`"`)&&n.endsWith(`"`)&&(n=n.slice(1,-1)),i[e]=n}}return c.version!=null&&a.push(c),{frontmatter:{title:i.title??`Untitled`,category:i.category??`notes`,tags:i.tags??[],created:i.created??``,updated:i.updated??``,version:i.version??1,origin:`curated`,changelog:a},content:r}}};export{v as n,S as t};