${title}

${body}

` +\n `

⚠️ Reconnect with Facebook

` +\n ``,\n { status: 200, headers: { \"Content-Type\": \"text/html; charset=utf-8\" } },\n );\n}\n\nfunction errPage(message: string): Response {\n return new Response(\n `` +\n `` +\n `Connect Error` +\n `

❌ Connect Error

` +\n      `

${message}

` +\n `

↩️ Try again

` +\n ``,\n { status: 200, headers: { \"Content-Type\": \"text/html; charset=utf-8\" } },\n );\n}\n",[],[99,124],"2b71f77f-7061-44f8-b504-535a410a942e","facebook.ts","01a07c13-0c2d-7032-880a-40cfc77390df",6,["D",1788788087646],4,"// Facebook Graph API helper functions\n// Docs: https://developers.facebook.com/docs/graph-api\nimport { getActivePageToken } from \"./oauth.ts\";\n\nconst GRAPH_API_BASE = \"https://graph.facebook.com/v21.0\";\n\n/** Get the page access token: prefer the never-expiring one saved by the OAuth flow, else fall back to the env var. */\nasync function getToken(): Promise {\n const stored = await getActivePageToken();\n if (stored) return stored;\n\n const token = Deno.env.get(\"FB_PAGE_ACCESS_TOKEN\");\n if (!token || token === \"placeholder_token\") {\n throw new Error(\n \"No page token available. Connect Facebook first via /connect, or set the FB_PAGE_ACCESS_TOKEN env var here: https://www.val.town/x/ziadamr/Facebook_mcb/environment-variables?key=FB_PAGE_ACCESS_TOKEN\",\n );\n }\n return token;\n}\n\n/** Make a generic Graph API GET request */\nexport async function graphGet(path: string, params: Record = {}): Promise {\n const url = new URL(`${GRAPH_API_BASE}${path}`);\n url.searchParams.set(\"access_token\", await getToken());\n for (const [key, value] of Object.entries(params)) {\n url.searchParams.set(key, value);\n }\n const res = await fetch(url);\n const data = await res.json();\n if (data.error) throw new Error(`Graph API error: ${data.error.message}`);\n return data;\n}\n\n/** Make a generic Graph API POST request */\nexport async function graphPost(path: string, body: Record): Promise {\n const url = new URL(`${GRAPH_API_BASE}${path}`);\n url.searchParams.set(\"access_token\", await getToken());\n const res = await fetch(url, {\n method: \"POST\",\n headers: { \"Content-Type\": \"application/json\" },\n body: JSON.stringify(body),\n });\n const data = await res.json();\n if (data.error) throw new Error(`Graph API error: ${data.error.message}`);\n return data;\n}\n\n/** Make a generic Graph API DELETE request */\nexport async function graphDelete(path: string, params: Record = {}): Promise {\n const url = new URL(`${GRAPH_API_BASE}${path}`);\n url.searchParams.set(\"access_token\", await getToken());\n for (const [key, value] of Object.entries(params)) {\n url.searchParams.set(key, value);\n }\n const res = await fetch(url, { method: \"DELETE\" });\n const data = await res.json();\n if (data.error) throw new Error(`Graph API error: ${data.error.message}`);\n return data;\n}\n\n// ─────────────────────────────────────────────\n// Page Management\n// ─────────────────────────────────────────────\n\n/** List all pages the user manages (with IDs) */\nexport async function getMyPages(): Promise {\n return graphGet(\"/me/accounts\", {\n fields: \"id,name,category,access_token,tasks\",\n });\n}\n\n/** Get the Page's basic info */\nexport async function getPageInfo(pageId: string): Promise {\n return graphGet(`/${pageId}`, {\n fields: \"name,category,about,fan_count,website,followers_count,phone,email,location,link,single_line_address\",\n });\n}\n\n/** Get page followers/fan count */\nexport async function getPageFollowers(pageId: string): Promise {\n return graphGet(`/${pageId}`, {\n fields: \"fan_count,followers_count,new_like_count,talking_about_count\",\n });\n}\n\n// ─────────────────────────────────────────────\n// Posts\n// ─────────────────────────────────────────────\n\n/** Post a text message to a Facebook Page's feed */\nexport async function postToPage(pageId: string, message: string): Promise {\n return graphPost(`/${pageId}/feed`, { message });\n}\n\n/** Post a link to a Facebook Page's feed */\nexport async function postLinkToPage(pageId: string, link: string, message?: string): Promise {\n const body: Record = { link };\n if (message) body.message = message;\n return graphPost(`/${pageId}/feed`, body);\n}\n\n/** Post a photo to a Page (by URL) */\nexport async function postPhotoToPage(pageId: string, photoUrl: string, caption?: string): Promise {\n const body: Record = { url: photoUrl };\n if (caption) body.caption = caption;\n return graphPost(`/${pageId}/photos`, body);\n}\n\n/** Get recent posts from a Page */\nexport async function getPagePosts(pageId: string, limit = 10): Promise {\n return graphGet(`/${pageId}/posts`, {\n fields: \"id,message,created_time,permalink_url,shares,comments.summary(true),reactions.summary(true),like.summary(true)\",\n limit: String(limit),\n });\n}\n\n/** Get a specific post by ID */\nexport async function getPost(postId: string): Promise {\n return graphGet(`/${postId}`, {\n fields: \"id,message,created_time,permalink_url,shares,comments.summary(true),reactions.summary(true),attachments\",\n });\n}\n\n/** Update/edit a post */\nexport async function updatePost(postId: string, message: string): Promise {\n return graphPost(`/${postId}`, { message });\n}\n\n/** Delete a post */\nexport async function deletePost(postId: string): Promise {\n return graphDelete(`/${postId}`);\n}\n\n// ─────────────────────────────────────────────\n// Comments & Reactions\n// ─────────────────────────────────────────────\n\n/** Get comments on a post */\nexport async function getComments(postId: string, limit = 25): Promise {\n return graphGet(`/${postId}/comments`, {\n fields: \"id,message,from,created_time,like_count,comment_count,permalink_url\",\n limit: String(limit),\n });\n}\n\n/** Reply to a comment */\nexport async function replyToComment(commentId: string, message: string): Promise {\n return graphPost(`/${commentId}/comments`, { message });\n}\n\n/** Like a post or comment as the Page */\nexport async function likeObject(objectId: string): Promise {\n return graphPost(`/${objectId}/likes`, {});\n}\n\n/** Get reactions on a post */\nexport async function getReactions(postId: string, limit = 25): Promise {\n return graphGet(`/${postId}/reactions`, {\n fields: \"id,name,type\",\n limit: String(limit),\n });\n}\n\n// ─────────────────────────────────────────────\n// Messaging\n// ─────────────────────────────────────────────\n\n/** Get page conversations (inbox messages) */\nexport async function getConversations(pageId: string, limit = 10): Promise {\n return graphGet(`/${pageId}/conversations`, {\n fields: \"id,snippet,updated_time,participants,messages.limit(5){message,from,created_time}\",\n limit: String(limit),\n });\n}\n\n/** Send a message as the Page to a specific user */\nexport async function sendMessage(recipientId: string, message: string): Promise {\n return graphPost(`/me/messages`, {\n recipient: { id: recipientId },\n message: { text: message },\n });\n}\n\n// ─────────────────────────────────────────────\n// Insights / Analytics\n// ─────────────────────────────────────────────\n\n/** Get page insights (analytics) */\nexport async function getPageInsights(pageId: string, metric = \"page_impressions,page_post_engagements,page_fan_adds\", period = \"day\"): Promise {\n return graphGet(`/${pageId}/insights`, {\n metric,\n period,\n });\n}\n\n// ─────────────────────────────────────────────\n// Events\n// ─────────────────────────────────────────────\n\n/** Get page events */\nexport async function getPageEvents(pageId: string, limit = 10): Promise {\n return graphGet(`/${pageId}/events`, {\n fields: \"id,name,description,start_time,end_time,place,cover,attending_count,interested_count\",\n limit: String(limit),\n });\n}\n\n/** Create an event on the Page */\nexport async function createEvent(pageId: string, name: string, startTime: string, description?: string): Promise {\n const body: Record = { name, start_time: startTime };\n if (description) body.description = description;\n return graphPost(`/${pageId}/events`, body);\n}\n\n// ─────────────────────────────────────────────\n// Albums & Photos\n// ─────────────────────────────────────────────\n\n/** Get page photo albums */\nexport async function getPageAlbums(pageId: string, limit = 10): Promise {\n return graphGet(`/${pageId}/albums`, {\n fields: \"id,name,count,cover_photo,created_time\",\n limit: String(limit),\n });\n}\n\n/** Create a photo album on the Page */\nexport async function createAlbum(pageId: string, name: string, message?: string): Promise {\n const body: Record = { name };\n if (message) body.message = message;\n return graphPost(`/${pageId}/albums`, body);\n}\n\n/** Get photos from a page or album */\nexport async function getPhotos(pageId: string, limit = 10): Promise {\n return graphGet(`/${pageId}/photos`, {\n fields: \"id,name,images,created_time,link\",\n limit: String(limit),\n });\n}\n\n// ─────────────────────────────────────────────\n// Videos\n// ─────────────────────────────────────────────\n\n/** Get page videos */\nexport async function getPageVideos(pageId: string, limit = 10): Promise {\n return graphGet(`/${pageId}/videos`, {\n fields: \"id,title,description,created_time,permalink_url,length\",\n limit: String(limit),\n });\n}\n\n/** Upload a video to the Page (by URL) */\nexport async function uploadVideoToPage(pageId: string, videoUrl: string, title?: string, description?: string): Promise {\n const body: Record = { file_url: videoUrl };\n if (title) body.title = title;\n if (description) body.description = description;\n return graphPost(`/${pageId}/videos`, body);\n}\n\n// ─────────────────────────────────────────────\n// Token Management\n// ─────────────────────────────────────────────\n\n/** Get the long-lived Page Access token (exchange a short-lived user token) */\nexport async function getLongLivedToken(appId: string, appSecret: string, shortLivedToken: string): Promise {\n const url = new URL(`${GRAPH_API_BASE}/oauth/access_token`);\n url.searchParams.set(\"grant_type\", \"fb_exchange_token\");\n url.searchParams.set(\"client_id\", appId);\n 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Code