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Extract structured bonus data from the provided PDF text and return ONLY valid JSON with no extra text or markdown.\";\n\nfunction buildUserPrompt(text: string): string {\n return [\n \"Extract the following fields from this bonus contract text and return ONLY valid JSON with these exact keys:\",\n \"- company_name (string)\",\n \"- contract_number (string)\",\n \"- group_numbers (string, comma-separated if multiple)\",\n \"- bonus_threshold (number, sales threshold amount, 0 if not found)\",\n \"- bonus_rate_low (number, bonus percentage below threshold as decimal e.g. 0.04 for 4%)\",\n \"- bonus_rate_high (number, bonus percentage above threshold as decimal)\",\n \"- actual_bonus_paid (number, actual bonus amount paid, 0 if not found)\",\n \"\",\n \"Rules:\",\n \"- If a field is missing, use 0 for numbers and empty string for strings.\",\n \"- Return a single JSON object only.\",\n \"- Do not include explanations or markdown.\",\n \"\",\n \"Text:\",\n text,\n ].join(\"\\n\");\n}\n\nexport default async function handler(req: Request): Promise {\n if (req.method === \"OPTIONS\") {\n return new Response(null, { status: 204, headers: corsHeaders() });\n }\n\n if (req.method !== \"POST\") {\n return jsonError(\"Only POST requests are accepted.\", 405);\n }\n\n let pdfBytes: Uint8Array;\n const contentType = req.headers.get(\"content-type\") ?? \"\";\n\n if (contentType.includes(\"application/pdf\")) {\n pdfBytes = new Uint8Array(await req.arrayBuffer());\n } else {\n let body: { pdf?: string };\n try {\n body = await req.json();\n } catch {\n return jsonError('Invalid JSON. Expected { \"pdf\": \"\" }.', 400);\n }\n\n if (!body?.pdf) {\n return jsonError(\"Missing 'pdf' field in request body.\", 400);\n }\n\n try {\n pdfBytes = base64ToBytes(body.pdf);\n } catch {\n return jsonError(\"Failed to decode base64 PDF data.\", 400);\n }\n }\n\n const magic = String.fromCharCode(...pdfBytes.slice(0, 5));\n if (!magic.startsWith(\"%PDF\")) {\n return jsonError(\"Provided data does not appear to be a valid PDF.\", 422);\n }\n\n try {\n const pdf = await getDocumentProxy(pdfBytes);\n\n const meta = await pdf.getMetadata().catch(() => null);\n const info = (meta?.info as Record) ?? {};\n\n const { totalPages, text: pageTexts } = await extractText(pdf, {\n mergePages: false,\n });\n\n const pages = (pageTexts as string[]).map((raw, i) => {\n const cleaned = raw\n .replace(/[ \\t]+/g, \" \")\n .replace(/\\n{3,}/g, \"\\n\\n\")\n .trim();\n\n const lines = cleaned.split(\"\\n\").filter((l) => l.trim().length > 0);\n const wordCount = cleaned.split(/\\s+/).filter(Boolean).length;\n\n return {\n page: i + 1,\n wordCount,\n lineCount: lines.length,\n text: cleaned,\n };\n });\n\n const totalWordCount = pages.reduce((sum, p) => sum + p.wordCount, 0);\n const fullText = pages.map((p) => p.text).join(\"\\n\\n---\\n\\n\");\n const llmInputText = fullText.slice(0, MAX_TEXT_CHARS);\n const wasTruncated = llmInputText.length < fullText.length;\n\n if (\n !OPENROUTER_API_KEY ||\n OPENROUTER_API_KEY === \"PASTE_YOUR_OPENROUTER_KEY_HERE\"\n ) {\n return jsonError(\n \"OpenRouter API key is missing. Set OPENROUTER_API_KEY or paste it into the code.\",\n 500,\n );\n }\n\n const structured = await structureWithOpenRouter(llmInputText);\n\n const result = {\n ok: true,\n meta: {\n title: info.Title ?? null,\n author: info.Author ?? null,\n subject: info.Subject ?? null,\n creator: info.Creator ?? null,\n producer: info.Producer ?? null,\n createdAt: info.CreationDate ?? null,\n modifiedAt: info.ModDate ?? null,\n totalPages,\n totalWordCount,\n llmModel: OPENROUTER_MODEL,\n llmInputChars: llmInputText.length,\n llmInputWasTruncated: wasTruncated,\n },\n pages,\n text: fullText,\n structuredData: structured.structuredData,\n llmRaw: structured.rawContent,\n };\n\n return new Response(JSON.stringify(result, null, 2), {\n status: 200,\n headers: { \"Content-Type\": \"application/json\", ...corsHeaders() },\n });\n } catch (err) {\n console.error(\"Processing error:\", err);\n return jsonError(\n `Processing failed: ${\n err instanceof Error ? err.message : \"Unknown error\"\n }`,\n 500,\n );\n }\n}\n\nasync function structureWithOpenRouter(text: string): Promise<{\n structuredData: Record;\n rawContent: string;\n}> {\n const payload = {\n model: OPENROUTER_MODEL,\n response_format: { type: \"json_object\" },\n messages: [\n { role: \"system\", content: PROMPT_SYSTEM },\n { role: \"user\", content: buildUserPrompt(text) },\n ],\n };\n\n const response = await fetch(\n \"https://openrouter.ai/api/v1/chat/completions\",\n {\n method: \"POST\",\n headers: {\n \"Content-Type\": \"application/json\",\n Authorization: `Bearer ${OPENROUTER_API_KEY}`,\n \"HTTP-Referer\": OPENROUTER_REFERER,\n \"X-Title\": OPENROUTER_TITLE,\n },\n body: JSON.stringify(payload),\n signal: AbortSignal.timeout(90000),\n },\n );\n\n const rawBody = await response.text();\n\n if (!response.ok) {\n throw new Error(\n `OpenRouter failed with ${response.status}: ${rawBody.slice(0, 800)}`,\n );\n }\n\n let parsed: any;\n try {\n parsed = JSON.parse(rawBody);\n } catch {\n throw new Error(\"OpenRouter returned non-JSON HTTP response.\");\n }\n\n const messageContent = parsed?.choices?.[0]?.message?.content;\n const rawContent = normalizeMessageContent(messageContent);\n\n if (!rawContent) {\n throw new Error(\"OpenRouter returned no message content.\");\n }\n\n let structuredData: Record;\n try {\n structuredData = JSON.parse(rawContent);\n } catch {\n throw new Error(\n `OpenRouter returned non-JSON message content: ${\n rawContent.slice(0, 500)\n }`,\n );\n }\n\n return { structuredData, rawContent };\n}\n\nfunction normalizeMessageContent(content: unknown): string {\n if (typeof content === \"string\") {\n return content.trim();\n }\n\n if (Array.isArray(content)) {\n return content\n .map((part) => {\n if (typeof part === \"string\") return part;\n if (part && typeof part === \"object\" && \"text\" in part) {\n return String((part as { text?: unknown }).text ?? \"\");\n }\n return \"\";\n })\n .join(\"\")\n .trim();\n }\n\n return \"\";\n}\n\nfunction base64ToBytes(b64: string): Uint8Array {\n const normalized = b64\n .replace(/-/g, \"+\")\n .replace(/_/g, \"/\")\n .replace(/\\s+/g, \"\");\n\n const padding = normalized.length % 4;\n const padded = padding === 0\n ? normalized\n : normalized + \"=\".repeat(4 - padding);\n\n const binary = atob(padded);\n const bytes = new Uint8Array(binary.length);\n\n for (let i = 0; i < binary.length; i++) {\n bytes[i] = binary.charCodeAt(i);\n }\n\n return bytes;\n}\n\nfunction corsHeaders(): Record {\n return {\n \"Access-Control-Allow-Origin\": \"*\",\n \"Access-Control-Allow-Methods\": \"POST, OPTIONS\",\n \"Access-Control-Allow-Headers\": \"Content-Type, Authorization\",\n };\n}\n\nfunction jsonError(message: string, status: number): Response {\n return new Response(JSON.stringify({ ok: false, error: message }, null, 2), {\n status,\n headers: { \"Content-Type\": \"application/json\", ...corsHeaders() },\n });\n}","deleted","label",[102],"permalink","https://www.val.town/x/adokce/fnctn/code/main.ts","extension","actionData","errors"]