\n\n\n`;\n}\n\n// --- NEW HTTP REQUEST HANDLER ---\nexport default async function (req: Request): Promise {\n const url = new URL(req.url);\n const path = url.pathname;\n const headers = { \"Content-Type\": \"application/json\" };\n\n try {\n // START: Create a new, blank estimate job\n if (req.method === \"POST\" && path.endsWith(\"/start\")) {\n const jobId = nanoid();\n const firstQuestion =\n \"Welcome to RoofClaim Pro! To get started, please provide the full property address so I can check for relevant local building codes.\";\n\n const firstMessage: ChatMessage = {\n role: \"assistant\",\n content: firstQuestion,\n };\n\n const jobState: JobState = {\n status: \"processing\",\n propertyInfo: {},\n lineItems: [],\n conversationHistory: [firstMessage],\n };\n\n await blob.setJSON(jobId, jobState);\n return new Response(JSON.stringify({ jobId, jobState }), { headers });\n }\n\n // CHAT: Handle a user's reply and get the AI's next question\n if (req.method === \"POST\" && path.endsWith(\"/chat\")) {\n const { jobId, userInput } = await req.json();\n if (!jobId || !userInput) {\n return new Response(\n JSON.stringify({ error: \"jobId and userInput are required.\" }),\n { status: 400, headers },\n );\n }\n\n const jobState: JobState = await blob.getJSON(jobId);\n if (!jobState) {\n return new Response(\n JSON.stringify({ error: \"Job not found.\" }),\n { status: 404, headers },\n );\n }\n\n // 1. Add user's message to history\n jobState.conversationHistory.push({ role: \"user\", content: userInput });\n\n // 2. Call AI with the full history\n const aiResponse = await callEstimatorAI(jobState.conversationHistory);\n if (!aiResponse || !aiResponse.question) {\n throw new Error(\"AI failed to provide a valid JSON response.\");\n }\n\n // 3. Add AI's question to history\n jobState.conversationHistory.push({\n role: \"assistant\",\n content: aiResponse.question,\n });\n\n // 4. Update state with new data from AI\n if (aiResponse.newLineItems && Array.isArray(aiResponse.newLineItems)) {\n jobState.lineItems.push(\n ...aiResponse.newLineItems.map((item) => ({ ...item, id: nanoid() })),\n );\n }\n if (aiResponse.updatedFields) {\n jobState.propertyInfo = {\n ...jobState.propertyInfo,\n ...aiResponse.updatedFields,\n };\n }\n\n // 5. Save the updated state\n await blob.setJSON(jobId, jobState);\n\n // 6. Update the main index if we just got an address\n if (aiResponse.updatedFields && aiResponse.updatedFields.address) {\n const currentIndex: EstimateIndexEntry[] =\n await blob.getJSON(INDEX_KEY) || [];\n const existingEntry = currentIndex.find((item) => item.jobId === jobId);\n if (existingEntry) {\n existingEntry.address = aiResponse.updatedFields.address;\n } else {\n currentIndex.unshift({\n jobId: jobId,\n address: aiResponse.updatedFields.address,\n timestamp: new Date().toISOString(),\n });\n }\n await blob.setJSON(INDEX_KEY, currentIndex);\n }\n\n return new Response(JSON.stringify({ jobState }), { headers });\n }\n\n // STATUS: Get the current state of a job\n if (req.method === \"GET\" && path.endsWith(\"/status\")) {\n const jobId = url.searchParams.get(\"jobId\");\n if (!jobId) {\n return new Response(\n JSON.stringify({ error: \"A 'jobId' query parameter is required.\" }),\n { status: 400, headers },\n );\n }\n const state: JobState | undefined = await blob.getJSON(jobId);\n if (!state) {\n return new Response(\n JSON.stringify({ status: \"error\", error: \"Job not found.\" }),\n { status: 404, headers },\n );\n }\n return new Response(JSON.stringify(state), { headers });\n }\n\n // LIST: Get all saved estimates\n if (req.method === \"GET\" && path.endsWith(\"/list\")) {\n const index = await blob.getJSON(INDEX_KEY) || [];\n return new Response(JSON.stringify(index), { headers });\n }\n\n // DELETE: Remove an estimate\n if (req.method === \"DELETE\" && path.endsWith(\"/delete\")) {\n const jobId = url.searchParams.get(\"jobId\");\n if (!jobId) {\n return new Response(\n JSON.stringify({ error: \"A 'jobId' query parameter is required.\" }),\n { status: 400, headers },\n );\n }\n const currentIndex: EstimateIndexEntry[] =\n await blob.getJSON(INDEX_KEY) ||\n [];\n const newIndex = currentIndex.filter((item) => item.jobId !== jobId);\n await blob.setJSON(INDEX_KEY, newIndex);\n await blob.delete(jobId);\n return new Response(JSON.stringify({ success: true, jobId }), {\n headers,\n });\n }\n\n // UI: Serve the main HTML page\n if (req.method === \"GET\" && (path === \"/\" || path.endsWith(\"/ui\"))) {\n const sourceUrl = `https://${url.hostname}${\n url.pathname.substring(0, url.pathname.lastIndexOf(\"/\"))\n }`;\n return new Response(generateHtml(sourceUrl), {\n headers: { \"Content-Type\": \"text/html\" },\n });\n }\n\n return new Response(JSON.stringify({ error: \"Not Found\" }), {\n status: 404,\n headers,\n });\n } catch (error) {\n const errorMessage = error instanceof Error\n ? error.message\n : \"An unknown server error occurred.\";\n return new Response(JSON.stringify({ error: errorMessage }), {\n status: 500,\n headers,\n });\n }\n}","deleted","label","estimates",[99],"permalink","https://www.val.town/x/volt/roofing/code/main.ts","extension","actionData","errors"]