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0.9,\n y: PAGE_H - 0.5,\n w: 0.5,\n h: 0.3,\n fontFace: FONT.body,\n fontSize: 10,\n color: colorHex,\n align: \"right\",\n margin: 0,\n });\n}\n\nfunction addPortada(pres, data) {\n const slide = pres.addSlide();\n slide.background = { color: COLOR.primary };\n slide.addShape(pres.shapes.OVAL, {\n x: PAGE_W - 4.5,\n y: -2,\n w: 6,\n h: 6,\n fill: { color: COLOR.primaryDark, transparency: 35 },\n });\n slide.addText(data.titulo, {\n x: MARGIN,\n y: 2.6,\n w: PAGE_W - MARGIN * 2,\n h: 1.6,\n fontFace: FONT.header,\n fontSize: 40,\n bold: true,\n color: COLOR.white,\n align: \"left\",\n margin: 0,\n });\n if (data.subtitulo) {\n slide.addText(data.subtitulo, {\n x: MARGIN,\n y: 4.15,\n w: PAGE_W - MARGIN * 2 - 2,\n h: 0.7,\n fontFace: FONT.body,\n fontSize: 18,\n color: COLOR.sand,\n align: \"left\",\n margin: 0,\n });\n }\n const footerBits = [data.autor, data.fecha].filter(Boolean).join(\" · \");\n if (footerBits) {\n slide.addText(footerBits, {\n x: MARGIN,\n y: PAGE_H - 0.9,\n w: 8,\n h: 0.4,\n fontFace: FONT.body,\n fontSize: 12,\n color: COLOR.sand,\n margin: 0,\n });\n }\n}\n\nfunction addAgenda(pres, data, pageNum) {\n const slide = pres.addSlide();\n slide.background = { color: COLOR.white };\n slide.addText(data.titulo || \"Agenda\", {\n x: MARGIN,\n y: 0.6,\n w: 8,\n h: 0.8,\n fontFace: FONT.header,\n fontSize: 32,\n bold: true,\n color: COLOR.ink,\n margin: 0,\n });\n const items = data.items || [];\n const startY = 2.0;\n const rowH = Math.min(\n 0.95,\n (PAGE_H - startY - 0.8) / Math.max(items.length, 1),\n );\n items.forEach((item, i) => {\n const y = startY + i * rowH;\n slide.addShape(pres.shapes.OVAL, {\n x: MARGIN,\n y: y + 0.05,\n w: 0.55,\n h: 0.55,\n fill: { color: COLOR.sage },\n });\n slide.addText(String(i + 1).padStart(2, \"0\"), {\n x: MARGIN,\n y: y + 0.05,\n w: 0.55,\n h: 0.55,\n fontFace: FONT.header,\n fontSize: 16,\n bold: true,\n color: COLOR.white,\n align: \"center\",\n valign: \"middle\",\n margin: 0,\n });\n slide.addText(item, {\n x: MARGIN + 0.85,\n y: y,\n w: PAGE_W - MARGIN * 2 - 0.85,\n h: 0.65,\n fontFace: FONT.body,\n fontSize: 18,\n color: COLOR.ink,\n valign: \"middle\",\n margin: 0,\n });\n });\n addPageNumber(slide, pageNum);\n}\n\nfunction addSeccion(pres, data, pageNum) {\n const slide = pres.addSlide();\n slide.background = { color: COLOR.primary };\n slide.addShape(pres.shapes.OVAL, {\n x: -2,\n y: PAGE_H - 3.5,\n w: 6,\n h: 6,\n fill: { color: COLOR.primaryDark, transparency: 35 },\n });\n if (data.numero) {\n slide.addText(String(data.numero).padStart(2, \"0\"), {\n x: MARGIN,\n y: 2.3,\n w: 3,\n h: 1.2,\n fontFace: FONT.header,\n fontSize: 24,\n color: COLOR.sand,\n margin: 0,\n });\n }\n slide.addText(data.titulo, {\n x: MARGIN,\n y: 3.0,\n w: PAGE_W - MARGIN * 2 - 2,\n h: 1.4,\n fontFace: FONT.header,\n fontSize: 36,\n bold: true,\n color: COLOR.white,\n margin: 0,\n });\n if (data.descripcion) {\n slide.addText(data.descripcion, {\n x: MARGIN,\n y: 4.4,\n w: PAGE_W - MARGIN * 2 - 3,\n h: 0.8,\n fontFace: FONT.body,\n fontSize: 16,\n color: COLOR.sand,\n margin: 0,\n });\n }\n addPageNumber(slide, pageNum, COLOR.sand);\n}\n\nfunction addContenidoBullets(pres, data, pageNum) {\n const slide = pres.addSlide();\n slide.background = { color: COLOR.white };\n slide.addText(data.titulo, {\n x: MARGIN,\n y: 0.55,\n w: PAGE_W - MARGIN * 2,\n h: 0.7,\n fontFace: FONT.header,\n fontSize: 28,\n bold: true,\n color: COLOR.ink,\n margin: 0,\n });\n const items = data.bullets || [];\n const startY = 1.7;\n const rowH = Math.min(\n 1.15,\n (PAGE_H - startY - 0.7) / Math.max(items.length, 1),\n );\n items.forEach((item, i) => {\n const y = startY + i * rowH;\n const label = typeof item === \"string\" ? { titulo: item } : item;\n slide.addShape(pres.shapes.OVAL, {\n x: MARGIN,\n y: y,\n w: 0.5,\n h: 0.5,\n fill: { color: COLOR.primary },\n });\n slide.addText(String(i + 1), {\n x: MARGIN,\n y: y,\n w: 0.5,\n h: 0.5,\n fontFace: FONT.header,\n fontSize: 16,\n bold: true,\n color: COLOR.white,\n align: \"center\",\n valign: \"middle\",\n margin: 0,\n });\n slide.addText(label.titulo, {\n x: MARGIN + 0.75,\n y: y - 0.02,\n w: PAGE_W - MARGIN * 2 - 0.75,\n h: 0.4,\n fontFace: FONT.body,\n fontSize: 16,\n bold: true,\n color: COLOR.ink,\n margin: 0,\n });\n if (label.detalle) {\n slide.addText(label.detalle, {\n x: MARGIN + 0.75,\n y: y + 0.38,\n w: PAGE_W - MARGIN * 2 - 0.75,\n h: 0.6,\n fontFace: FONT.body,\n fontSize: 13,\n color: COLOR.inkMuted,\n margin: 0,\n });\n }\n });\n addPageNumber(slide, pageNum);\n}\n\nfunction addDosColumnas(pres, data, pageNum) {\n const slide = pres.addSlide();\n slide.background = { color: COLOR.white };\n slide.addText(data.titulo, {\n x: MARGIN,\n y: 0.55,\n w: PAGE_W - MARGIN * 2,\n h: 0.7,\n fontFace: FONT.header,\n fontSize: 28,\n bold: true,\n color: COLOR.ink,\n margin: 0,\n });\n const colW = (PAGE_W - MARGIN * 2 - 0.5) / 2;\n const items = data.columna_izquierda || [];\n let y = 1.9;\n items.forEach((line) => {\n slide.addText(line, {\n x: MARGIN,\n y,\n w: colW,\n h: 0.5,\n fontFace: FONT.body,\n fontSize: 15,\n color: COLOR.ink,\n bullet: { code: \"25CF\" },\n margin: 0,\n });\n y += 0.65;\n });\n slide.addShape(pres.shapes.ROUNDED_RECTANGLE, {\n x: MARGIN + colW + 0.5,\n y: 1.9,\n w: colW,\n h: PAGE_H - 1.9 - 0.7,\n fill: { color: COLOR.sand },\n rectRadius: 0.08,\n shadow: freshShadow(0.12),\n });\n if (data.columna_derecha_titulo) {\n slide.addText(data.columna_derecha_titulo, {\n x: MARGIN + colW + 0.8,\n y: 2.15,\n w: colW - 0.6,\n h: 0.5,\n fontFace: FONT.header,\n fontSize: 18,\n bold: true,\n color: COLOR.primaryDark,\n margin: 0,\n });\n }\n if (data.columna_derecha_texto) {\n slide.addText(data.columna_derecha_texto, {\n x: MARGIN + colW + 0.8,\n y: 2.75,\n w: colW - 0.6,\n h: PAGE_H - 2.75 - 1.0,\n fontFace: FONT.body,\n fontSize: 14,\n color: COLOR.ink,\n margin: 0,\n });\n }\n addPageNumber(slide, pageNum);\n}\n\nfunction addKPIs(pres, data, pageNum) {\n const slide = pres.addSlide();\n slide.background = { color: COLOR.white };\n slide.addText(data.titulo, {\n x: MARGIN,\n y: 0.55,\n w: PAGE_W - MARGIN * 2,\n h: 0.7,\n fontFace: FONT.header,\n fontSize: 28,\n bold: true,\n color: COLOR.ink,\n margin: 0,\n });\n const stats = data.stats || [];\n const gap = 0.4;\n const cardW = (PAGE_W - MARGIN * 2 - gap * (stats.length - 1)) / stats.length;\n stats.forEach((stat, i) => {\n const x = MARGIN + i * (cardW + gap);\n slide.addShape(pres.shapes.ROUNDED_RECTANGLE, {\n x,\n y: 2.1,\n w: cardW,\n h: 3.2,\n fill: { color: COLOR.cardBg },\n rectRadius: 0.08,\n shadow: freshShadow(0.1),\n });\n slide.addText(stat.valor, {\n x,\n y: 2.9,\n w: cardW,\n h: 1.0,\n fontFace: FONT.header,\n fontSize: 44,\n bold: true,\n color: COLOR.primary,\n align: \"center\",\n margin: 0,\n });\n slide.addText(stat.etiqueta, {\n x: x + 0.2,\n y: 4.0,\n w: cardW - 0.4,\n h: 0.8,\n fontFace: FONT.body,\n fontSize: 13,\n color: COLOR.inkMuted,\n align: \"center\",\n margin: 0,\n });\n });\n addPageNumber(slide, pageNum);\n}\n\nfunction addGrafico(pres, data, pageNum) {\n const slide = pres.addSlide();\n slide.background = { color: COLOR.white };\n slide.addText(data.titulo, {\n x: MARGIN,\n y: 0.55,\n w: PAGE_W - MARGIN * 2,\n h: 0.7,\n fontFace: FONT.header,\n fontSize: 28,\n bold: true,\n color: COLOR.ink,\n margin: 0,\n });\n const chartTypeMap = {\n barras: pres.charts.BAR,\n lineas: pres.charts.LINE,\n torta: pres.charts.PIE,\n };\n const chartType = chartTypeMap[data.tipo_grafico] || pres.charts.BAR;\n const chartW = data.comentario ? 8.2 : PAGE_W - MARGIN * 2;\n slide.addChart(chartType, [{\n name: data.serie_nombre || \"Serie\",\n labels: data.etiquetas,\n values: data.valores,\n }], {\n x: MARGIN,\n y: 1.7,\n w: chartW,\n h: PAGE_H - 1.7 - 0.7,\n chartColors: [COLOR.primary, COLOR.sage, COLOR.primaryDark, COLOR.inkMuted],\n chartArea: { fill: { color: COLOR.white } },\n catAxisLabelColor: COLOR.inkMuted,\n valAxisLabelColor: COLOR.inkMuted,\n valGridLine: { color: \"E2DDD5\", size: 0.5 },\n catGridLine: { style: \"none\" },\n showValue: data.tipo_grafico !== \"torta\",\n dataLabelPosition: \"outEnd\",\n showPercent: data.tipo_grafico === \"torta\",\n dataLabelColor: COLOR.ink,\n showLegend: (data.etiquetas || []).length > 1 &&\n data.tipo_grafico === \"torta\",\n showTitle: false,\n });\n if (data.comentario) {\n slide.addShape(pres.shapes.ROUNDED_RECTANGLE, {\n x: MARGIN + chartW + 0.3,\n y: 1.7,\n w: PAGE_W - MARGIN * 2 - chartW - 0.3,\n h: PAGE_H - 1.7 - 0.7,\n fill: { color: COLOR.sand },\n rectRadius: 0.08,\n });\n slide.addText(data.comentario, {\n x: MARGIN + chartW + 0.55,\n y: 1.95,\n w: PAGE_W - MARGIN * 2 - chartW - 0.8,\n h: PAGE_H - 1.7 - 1.2,\n fontFace: FONT.body,\n fontSize: 14,\n color: COLOR.ink,\n margin: 0,\n });\n }\n addPageNumber(slide, pageNum);\n}\n\nfunction addCitaDestacada(pres, data, pageNum) {\n const slide = pres.addSlide();\n slide.background = { color: COLOR.primary };\n slide.addText(data.texto, {\n x: 1.4,\n y: 2.3,\n w: PAGE_W - 2.8,\n h: 2.2,\n fontFace: FONT.header,\n fontSize: 30,\n italic: true,\n color: COLOR.white,\n align: \"center\",\n valign: \"middle\",\n margin: 0,\n });\n if (data.atribucion) {\n slide.addText(data.atribucion, {\n x: 1.4,\n y: 4.6,\n w: PAGE_W - 2.8,\n h: 0.5,\n fontFace: FONT.body,\n fontSize: 14,\n color: COLOR.sand,\n align: \"center\",\n margin: 0,\n });\n }\n addPageNumber(slide, pageNum, COLOR.sand);\n}\n\nfunction addCierre(pres, data) {\n const slide = pres.addSlide();\n slide.background = { color: COLOR.primary };\n slide.addShape(pres.shapes.OVAL, {\n x: PAGE_W - 4.5,\n y: PAGE_H - 4,\n w: 6,\n h: 6,\n fill: { color: COLOR.primaryDark, transparency: 35 },\n });\n slide.addText(data.titulo || \"Gracias\", {\n x: MARGIN,\n y: 2.8,\n w: PAGE_W - MARGIN * 2,\n h: 1.2,\n fontFace: FONT.header,\n fontSize: 40,\n bold: true,\n color: COLOR.white,\n margin: 0,\n });\n const contacto = [\n data.contacto_nombre,\n data.contacto_email,\n data.contacto_extra,\n ].filter(Boolean).join(\" · \");\n if (contacto) {\n slide.addText(contacto, {\n x: MARGIN,\n y: 4.1,\n w: PAGE_W - MARGIN * 2,\n h: 0.6,\n fontFace: FONT.body,\n fontSize: 15,\n color: COLOR.sand,\n margin: 0,\n });\n }\n}\n\nconst BUILDERS = {\n agenda: addAgenda,\n seccion: addSeccion,\n contenido_bullets: addContenidoBullets,\n dos_columnas: addDosColumnas,\n kpis: addKPIs,\n grafico: addGrafico,\n cita_destacada: addCitaDestacada,\n};\n\nasync function buildPresentation(datos) {\n const pres = new PptxGenJS();\n pres.layout = LAYOUT;\n pres.author = datos?.meta?.autor || \"Generado con IA\";\n pres.title = datos?.meta?.titulo || \"Presentación Corporativa\";\n\n addPortada(pres, datos.portada);\n let pageNum = 2;\n for (const slideData of datos.slides || []) {\n const builder = BUILDERS[slideData.tipo];\n if (!builder) continue;\n builder(pres, slideData, pageNum);\n pageNum++;\n }\n addCierre(pres, datos.cierre || {});\n\n return await pres.write({ outputType: \"arraybuffer\" });\n}\n\n// ---------------------------------------------------------------------------\n// INSTRUCCIONES PARA LA IA (lo único que define el CONTENIDO, nunca el diseño)\n// ---------------------------------------------------------------------------\nconst INSTRUCCIONES_IA = `\nSos un asistente que convierte el objetivo y los datos de un usuario en el\nJSON de una presentación corporativa. Devolvé ÚNICAMENTE JSON válido, sin\ntexto adicional, sin markdown, sin backticks, sin la palabra \"json\" antes.\n\nEstructura exacta a devolver:\n{\n \"meta\": { \"titulo\": \"string\", \"autor\": \"string\" },\n \"portada\": { \"titulo\": \"string\", \"subtitulo\": \"string\", \"autor\": \"string\", \"fecha\": \"string\" },\n \"slides\": [ /* entre 5 y 12 bloques, ver tipos abajo */ ],\n \"cierre\": { \"titulo\": \"string\", \"contacto_nombre\": \"string\", \"contacto_email\": \"string\" }\n}\n\nTipos de slide disponibles (campo \"tipo\"):\n1. agenda: {\"tipo\":\"agenda\",\"titulo\":\"Agenda\",\"items\":[\"tema1\",\"tema2\"]}\n2. seccion: {\"tipo\":\"seccion\",\"numero\":1,\"titulo\":\"...\",\"descripcion\":\"...\"}\n3. contenido_bullets: {\"tipo\":\"contenido_bullets\",\"titulo\":\"...\",\"bullets\":[{\"titulo\":\"...\",\"detalle\":\"...\"}]}\n4. dos_columnas: {\"tipo\":\"dos_columnas\",\"titulo\":\"...\",\"columna_izquierda\":[\"...\",\"...\"],\"columna_derecha_titulo\":\"...\",\"columna_derecha_texto\":\"...\"}\n5. kpis: {\"tipo\":\"kpis\",\"titulo\":\"...\",\"stats\":[{\"valor\":\"42%\",\"etiqueta\":\"...\"}]} (2 a 4 stats)\n6. grafico: {\"tipo\":\"grafico\",\"titulo\":\"...\",\"tipo_grafico\":\"barras|lineas|torta\",\"serie_nombre\":\"...\",\"etiquetas\":[\"Q1\",\"Q2\"],\"valores\":[100,200],\"comentario\":\"...\"}\n7. cita_destacada: {\"tipo\":\"cita_destacada\",\"texto\":\"...\",\"atribucion\":\"...\"}\n\nReglas:\n- Español rioplatense, tono ejecutivo y directo, sin relleno.\n- Alternar tipos de slide, no repetir el mismo tipo más de 2 veces seguidas.\n- NUNCA inventar cifras que el usuario no dio. Si no hay números reales, usar \"contenido_bullets\" en vez de \"kpis\" o \"grafico\".\n- Basarte solo en la información provista a continuación.\n`.trim();\n\n// ---------------------------------------------------------------------------\n// FORMULARIO (lo único visible para el usuario final)\n// ---------------------------------------------------------------------------\nconst FORM_HTML = `\n\n\n\nGenerador de Presentaciones\n\n\n\n\n

Generador de Presentaciones

Completá los datos y generá tu presentación con diseño corporativo.

\n Objetivo de la presentación\n \n Datos e información a incluir\n \n Autor / equipo (opcional)\n \n \n

\n\n\n`;\n\n// ---------------------------------------------------------------------------\n// SERVIDOR — maneja las dos direcciones: mostrar el form y generar el archivo\n// ---------------------------------------------------------------------------\nexport default async function (req: Request): Promise {\n const url = new URL(req.url);\n\n if (req.method === \"GET\" && url.pathname === \"/\") {\n return new Response(FORM_HTML, {\n headers: { \"Content-Type\": \"text/html; charset=utf-8\" },\n });\n }\n\n if (req.method === \"POST\" && url.pathname === \"/generar\") {\n try {\n const { objetivo, datos, autor } = await req.json();\n\n if (!objetivo || !objetivo.trim()) {\n return Response.json(\n { error: \"Falta el objetivo de la presentación.\" },\n { status: 400 },\n );\n }\n if (!GEMINI_API_KEY) {\n return Response.json({\n error: \"Falta configurar GEMINI_API_KEY en las variables de entorno.\",\n }, { status: 500 });\n }\n\n const prompt = `${INSTRUCCIONES_IA}\\n\\n` +\n `OBJETIVO DE LA PRESENTACIÓN:\\n${objetivo}\\n\\n` +\n `DATOS E INFORMACIÓN A INCLUIR:\\n${\n datos || \"(no se proveyeron datos adicionales)\"\n }\\n\\n` +\n `AUTOR / EQUIPO: ${autor || \"(no especificado)\"}`;\n\n const respuestaIA = await fetch(GEMINI_URL, {\n method: \"POST\",\n headers: { \"Content-Type\": \"application/json\" },\n body: JSON.stringify({ contents: [{ parts: [{ text: prompt }] }] }),\n });\n\n if (!respuestaIA.ok) {\n console.error(\"Error de Gemini:\", await respuestaIA.text());\n return Response.json({\n error: \"La IA no pudo procesar el pedido. Probá de nuevo.\",\n }, { status: 502 });\n }\n\n const dataIA = await respuestaIA.json();\n let textoJSON = dataIA?.candidates?.[0]?.content?.parts?.[0]?.text || \"\";\n textoJSON = textoJSON.replace(/```json/gi, \"\").replace(/```/g, \"\").trim();\n\n let datosPresentacion;\n try {\n datosPresentacion = JSON.parse(textoJSON);\n } catch {\n console.error(\"JSON inválido de la IA:\", textoJSON);\n return Response.json({\n error: \"La IA devolvió un formato inesperado. Probá de nuevo.\",\n }, { status: 502 });\n }\n\n const arrayBuffer = await buildPresentation(datosPresentacion);\n\n return new Response(arrayBuffer, {\n headers: {\n \"Content-Type\":\n \"application/vnd.openxmlformats-officedocument.presentationml.presentation\",\n \"Content-Disposition\": 'attachment; filename=\"Presentacion.pptx\"',\n },\n });\n } catch (error) {\n console.error(\"Error general:\", error);\n return Response.json({\n error: \"Ocurrió un error inesperado generando la presentación.\",\n }, { status: 500 });\n }\n }\n\n return new Response(\"Not found\", { status: 404 });\n}","// ARCHIVO ÚNICO para Val Town — versión 2\n// Sirve el formulario (GET /) y genera la presentación (POST /generar).\n//\n// NOVEDADES DE ESTA VERSIÓN:\n// 1) Logo YPF en la esquina superior derecha de cada diapositiva (blanco sobre\n// fondo azul, azul sobre fondo blanco). Configurable por variables de\n// entorno LOGO_BLANCO_URL y LOGO_AZUL_URL. Si no están configuradas, se\n// muestra un texto \"YPF\" de marcador de posición en el lugar correcto.\n// 2) Clasificación del documento (Pública/Privada/Confidencial/Secreta) como\n// franja superior en cada diapositiva, igual que en Word/PowerPoint.\n// 3) Carga de archivos que la IA analiza como fuente de información.\n// 4) Un campo de \"pedidos específicos\" que la IA cumple literalmente\n// (ej. \"poné esto en un gráfico\", \"buscá información sobre X\").\n// 5) Búsqueda web habilitada para la IA (Grounding con Google Search). Si la\n// usa, se agrega automáticamente una diapositiva de \"Fuentes\" al final.\n// 6) Nuevos tipos de bloque: tabla y gráfico de área.\n// 7) Instrucción explícita: no inventar datos, no \"quedar bien\" con el\n// usuario — si falta información, decirlo en vez de inventar.\n// 8) Control de cantidad de diapositivas deseada.\n\nimport PptxGenJS from \"npm:pptxgenjs@3.12.0\";\n\n// ---------------------------------------------------------------------------\n// CONFIGURACIÓN — variables de entorno (se configuran en Val Town, no acá)\n// ---------------------------------------------------------------------------\nconst GEMINI_API_KEY = Deno.env.get(\"GEMINI_API_KEY\");\nconst GEMINI_URL =\n `https://generativelanguage.googleapis.com/v1beta/models/gemini-2.5-flash:generateContent?key=${GEMINI_API_KEY}`;\nconst LOGO_BLANCO_URL = Deno.env.get(\"LOGO_BLANCO_URL\"); // logo YPF versión blanca (para fondos azules)\nconst LOGO_AZUL_URL = Deno.env.get(\"LOGO_AZUL_URL\"); // logo YPF versión azul (para fondos blancos)\n\n// ---------------------------------------------------------------------------\n// PALETA Y CONSTANTES DE DISEÑO\n// ---------------------------------------------------------------------------\nconst COLOR = {\n primary: \"005090\",\n primaryDark: \"003360\",\n sand: \"E8E8E8\",\n sage: \"9AA1A8\",\n white: \"FFFFFF\",\n ink: \"262626\",\n inkMuted: \"6E6E6E\",\n cardBg: \"F5F5F5\",\n};\n\nconst FONT = { header: \"Cambria\", body: \"Calibri\" };\nconst LAYOUT = \"LAYOUT_WIDE\";\nconst PAGE_W = 13.3;\nconst PAGE_H = 7.5;\nconst MARGIN = 0.6;\n\nfunction freshShadow(opacity = 0.15) {\n return {\n type: \"outer\",\n color: \"000000\",\n blur: 8,\n offset: 3,\n angle: 45,\n opacity,\n };\n}\n\n// ---------------------------------------------------------------------------\n// LOGO — se descarga una vez al generar la presentación y se reutiliza\n// ---------------------------------------------------------------------------\nasync function fetchImageAsDataUri(url) {\n if (!url) return null;\n try {\n const resp = await fetch(url);\n if (!resp.ok) return null;\n const buf = await resp.arrayBuffer();\n const bytes = new Uint8Array(buf);\n let binary = \"\";\n for (let i = 0; i < bytes.length; i++) {\n binary += String.fromCharCode(bytes[i]);\n }\n const base64 = btoa(binary);\n const contentType = resp.headers.get(\"content-type\") || \"image/png\";\n return `data:${contentType};base64,${base64}`;\n } catch {\n return null;\n }\n}\n\nfunction addLogo(slide, isDarkBg, logos) {\n const w = 1.1, h = 0.4, x = PAGE_W - w - 0.35, y = 0.34;\n const dataUri = isDarkBg ? logos?.blanco : logos?.azul;\n if (dataUri) {\n slide.addImage({\n data: dataUri,\n x,\n y,\n w,\n h,\n sizing: { type: \"contain\", w, h },\n });\n } else {\n slide.addText(\"YPF\", {\n x,\n y,\n w,\n h,\n align: \"right\",\n valign: \"middle\",\n fontFace: FONT.header,\n fontSize: 16,\n bold: true,\n color: isDarkBg ? COLOR.white : COLOR.primary,\n margin: 0,\n });\n }\n}\n\n// ---------------------------------------------------------------------------\n// CLASIFICACIÓN — franja superior, igual que en documentos corporativos\n// ---------------------------------------------------------------------------\nfunction addClasificacion(pres, slide, clasificacion) {\n const map = {\n publica: { label: \"PÚBLICA\", bg: COLOR.sage, fg: COLOR.white },\n privada: {\n label: \"USO INTERNO / PRIVADA\",\n bg: COLOR.primary,\n fg: COLOR.white,\n },\n confidencial: { label: \"CONFIDENCIAL\", bg: COLOR.ink, fg: COLOR.white },\n secreta: { label: \"SECRETO\", bg: \"A6192E\", fg: COLOR.white },\n };\n const conf = map[clasificacion];\n if (!conf) return;\n slide.addShape(pres.shapes.RECTANGLE, {\n x: 0,\n y: 0,\n w: PAGE_W,\n h: 0.28,\n fill: { color: conf.bg },\n });\n slide.addText(conf.label, {\n x: 0,\n y: 0,\n w: PAGE_W,\n h: 0.28,\n align: \"center\",\n valign: \"middle\",\n fontFace: FONT.body,\n fontSize: 10,\n bold: true,\n color: conf.fg,\n margin: 0,\n charSpacing: 2,\n });\n}\n\nfunction addPageNumber(slide, n, colorHex = COLOR.inkMuted) {\n slide.addText(String(n), {\n x: PAGE_W - 0.9,\n y: PAGE_H - 0.5,\n w: 0.5,\n h: 0.3,\n fontFace: FONT.body,\n fontSize: 10,\n color: colorHex,\n align: \"right\",\n margin: 0,\n });\n}\n\n// ---------------------------------------------------------------------------\n// VARIANTES DE SLIDE — todas reciben (pres, data, pageNum, ctx)\n// ctx = { clasificacion, logos }\n// ---------------------------------------------------------------------------\nfunction addPortada(pres, data, ctx) {\n const slide = pres.addSlide();\n slide.background = { color: COLOR.primary };\n addClasificacion(pres, slide, ctx.clasificacion);\n slide.addShape(pres.shapes.OVAL, {\n x: PAGE_W - 4.5,\n y: -2,\n w: 6,\n h: 6,\n fill: { color: COLOR.primaryDark, transparency: 35 },\n });\n slide.addText(data.titulo, {\n x: MARGIN,\n y: 2.6,\n w: PAGE_W - MARGIN * 2,\n h: 1.6,\n fontFace: FONT.header,\n fontSize: 40,\n bold: true,\n color: COLOR.white,\n align: \"left\",\n margin: 0,\n });\n if (data.subtitulo) {\n slide.addText(data.subtitulo, {\n x: MARGIN,\n y: 4.15,\n w: PAGE_W - MARGIN * 2 - 2,\n h: 0.7,\n fontFace: FONT.body,\n fontSize: 18,\n color: COLOR.sand,\n align: \"left\",\n margin: 0,\n });\n }\n const footerBits = [data.autor, data.fecha].filter(Boolean).join(\" · \");\n if (footerBits) {\n slide.addText(footerBits, {\n x: MARGIN,\n y: PAGE_H - 0.9,\n w: 8,\n h: 0.4,\n fontFace: FONT.body,\n fontSize: 12,\n color: COLOR.sand,\n margin: 0,\n });\n }\n addLogo(slide, true, ctx.logos);\n}\n\nfunction addAgenda(pres, data, pageNum, ctx) {\n const slide = pres.addSlide();\n slide.background = { color: COLOR.white };\n addClasificacion(pres, slide, ctx.clasificacion);\n slide.addText(data.titulo || \"Agenda\", {\n x: MARGIN,\n y: 0.6,\n w: 8,\n h: 0.8,\n fontFace: FONT.header,\n fontSize: 32,\n bold: true,\n color: COLOR.ink,\n margin: 0,\n });\n const items = data.items || [];\n const startY = 2.0;\n const rowH = Math.min(\n 0.95,\n (PAGE_H - startY - 0.8) / Math.max(items.length, 1),\n );\n items.forEach((item, i) => {\n const y = startY + i * rowH;\n slide.addShape(pres.shapes.OVAL, {\n x: MARGIN,\n y: y + 0.05,\n w: 0.55,\n h: 0.55,\n fill: { color: COLOR.sage },\n });\n slide.addText(String(i + 1).padStart(2, \"0\"), {\n x: MARGIN,\n y: y + 0.05,\n w: 0.55,\n h: 0.55,\n fontFace: FONT.header,\n fontSize: 16,\n bold: true,\n color: COLOR.white,\n align: \"center\",\n valign: \"middle\",\n margin: 0,\n });\n slide.addText(item, {\n x: MARGIN + 0.85,\n y: y,\n w: PAGE_W - MARGIN * 2 - 0.85,\n h: 0.65,\n fontFace: FONT.body,\n fontSize: 18,\n color: COLOR.ink,\n valign: \"middle\",\n margin: 0,\n });\n });\n addPageNumber(slide, pageNum);\n addLogo(slide, false, ctx.logos);\n}\n\nfunction addSeccion(pres, data, pageNum, ctx) {\n const slide = pres.addSlide();\n slide.background = { color: COLOR.primary };\n addClasificacion(pres, slide, ctx.clasificacion);\n slide.addShape(pres.shapes.OVAL, {\n x: -2,\n y: PAGE_H - 3.5,\n w: 6,\n h: 6,\n fill: { color: COLOR.primaryDark, transparency: 35 },\n });\n if (data.numero) {\n slide.addText(String(data.numero).padStart(2, \"0\"), {\n x: MARGIN,\n y: 2.3,\n w: 3,\n h: 1.2,\n fontFace: FONT.header,\n fontSize: 24,\n color: COLOR.sand,\n margin: 0,\n });\n }\n slide.addText(data.titulo, {\n x: MARGIN,\n y: 3.0,\n w: PAGE_W - MARGIN * 2 - 2,\n h: 1.4,\n fontFace: FONT.header,\n fontSize: 36,\n bold: true,\n color: COLOR.white,\n margin: 0,\n });\n if (data.descripcion) {\n slide.addText(data.descripcion, {\n x: MARGIN,\n y: 4.4,\n w: PAGE_W - MARGIN * 2 - 3,\n h: 0.8,\n fontFace: FONT.body,\n fontSize: 16,\n color: COLOR.sand,\n margin: 0,\n });\n }\n addPageNumber(slide, pageNum, COLOR.sand);\n addLogo(slide, true, ctx.logos);\n}\n\nfunction addContenidoBullets(pres, data, pageNum, ctx) {\n const slide = pres.addSlide();\n slide.background = { color: COLOR.white };\n addClasificacion(pres, slide, ctx.clasificacion);\n slide.addText(data.titulo, {\n x: MARGIN,\n y: 0.55,\n w: PAGE_W - MARGIN * 2,\n h: 0.7,\n fontFace: FONT.header,\n fontSize: 28,\n bold: true,\n color: COLOR.ink,\n margin: 0,\n });\n const items = data.bullets || [];\n const startY = 1.7;\n const rowH = Math.min(\n 1.15,\n (PAGE_H - startY - 0.7) / Math.max(items.length, 1),\n );\n items.forEach((item, i) => {\n const y = startY + i * rowH;\n const label = typeof item === \"string\" ? { titulo: item } : item;\n slide.addShape(pres.shapes.OVAL, {\n x: MARGIN,\n y: y,\n w: 0.5,\n h: 0.5,\n fill: { color: COLOR.primary },\n });\n slide.addText(String(i + 1), {\n x: MARGIN,\n y: y,\n w: 0.5,\n h: 0.5,\n fontFace: FONT.header,\n fontSize: 16,\n bold: true,\n color: COLOR.white,\n align: \"center\",\n valign: \"middle\",\n margin: 0,\n });\n slide.addText(label.titulo, {\n x: MARGIN + 0.75,\n y: y - 0.02,\n w: PAGE_W - MARGIN * 2 - 0.75,\n h: 0.4,\n fontFace: FONT.body,\n fontSize: 16,\n bold: true,\n color: COLOR.ink,\n margin: 0,\n });\n if (label.detalle) {\n slide.addText(label.detalle, {\n x: MARGIN + 0.75,\n y: y + 0.38,\n w: PAGE_W - MARGIN * 2 - 0.75,\n h: 0.6,\n fontFace: FONT.body,\n fontSize: 13,\n color: COLOR.inkMuted,\n margin: 0,\n });\n }\n });\n addPageNumber(slide, pageNum);\n addLogo(slide, false, ctx.logos);\n}\n\nfunction addDosColumnas(pres, data, pageNum, ctx) {\n const slide = pres.addSlide();\n slide.background = { color: COLOR.white };\n addClasificacion(pres, slide, ctx.clasificacion);\n slide.addText(data.titulo, {\n x: MARGIN,\n y: 0.55,\n w: PAGE_W - MARGIN * 2,\n h: 0.7,\n fontFace: FONT.header,\n fontSize: 28,\n bold: true,\n color: COLOR.ink,\n margin: 0,\n });\n const colW = (PAGE_W - MARGIN * 2 - 0.5) / 2;\n const items = data.columna_izquierda || [];\n let y = 1.9;\n items.forEach((line) => {\n slide.addText(line, {\n x: MARGIN,\n y,\n w: colW,\n h: 0.5,\n fontFace: FONT.body,\n fontSize: 15,\n color: COLOR.ink,\n bullet: { code: \"25CF\" },\n margin: 0,\n });\n y += 0.65;\n });\n slide.addShape(pres.shapes.ROUNDED_RECTANGLE, {\n x: MARGIN + colW + 0.5,\n y: 1.9,\n w: colW,\n h: PAGE_H - 1.9 - 0.7,\n fill: { color: COLOR.sand },\n rectRadius: 0.08,\n shadow: freshShadow(0.12),\n });\n if (data.columna_derecha_titulo) {\n slide.addText(data.columna_derecha_titulo, {\n x: MARGIN + colW + 0.8,\n y: 2.15,\n w: colW - 0.6,\n h: 0.5,\n fontFace: FONT.header,\n fontSize: 18,\n bold: true,\n color: COLOR.primaryDark,\n margin: 0,\n });\n }\n if (data.columna_derecha_texto) {\n slide.addText(data.columna_derecha_texto, {\n x: MARGIN + colW + 0.8,\n y: 2.75,\n w: colW - 0.6,\n h: PAGE_H - 2.75 - 1.0,\n fontFace: FONT.body,\n fontSize: 14,\n color: COLOR.ink,\n margin: 0,\n });\n }\n addPageNumber(slide, pageNum);\n addLogo(slide, false, ctx.logos);\n}\n\nfunction addKPIs(pres, data, pageNum, ctx) {\n const slide = pres.addSlide();\n slide.background = { color: COLOR.white };\n addClasificacion(pres, slide, ctx.clasificacion);\n slide.addText(data.titulo, {\n x: MARGIN,\n y: 0.55,\n w: PAGE_W - MARGIN * 2,\n h: 0.7,\n fontFace: FONT.header,\n fontSize: 28,\n bold: true,\n color: COLOR.ink,\n margin: 0,\n });\n const stats = data.stats || [];\n const gap = 0.4;\n const cardW = (PAGE_W - MARGIN * 2 - gap * (stats.length - 1)) / stats.length;\n stats.forEach((stat, i) => {\n const x = MARGIN + i * (cardW + gap);\n slide.addShape(pres.shapes.ROUNDED_RECTANGLE, {\n x,\n y: 2.1,\n w: cardW,\n h: 3.2,\n fill: { color: COLOR.cardBg },\n rectRadius: 0.08,\n shadow: freshShadow(0.1),\n });\n slide.addText(stat.valor, {\n x,\n y: 2.9,\n w: cardW,\n h: 1.0,\n fontFace: FONT.header,\n fontSize: 44,\n bold: true,\n color: COLOR.primary,\n align: \"center\",\n margin: 0,\n });\n slide.addText(stat.etiqueta, {\n x: x + 0.2,\n y: 4.0,\n w: cardW - 0.4,\n h: 0.8,\n fontFace: FONT.body,\n fontSize: 13,\n color: COLOR.inkMuted,\n align: \"center\",\n margin: 0,\n });\n });\n addPageNumber(slide, pageNum);\n addLogo(slide, false, ctx.logos);\n}\n\nfunction addGrafico(pres, data, pageNum, ctx) {\n const slide = pres.addSlide();\n slide.background = { color: COLOR.white };\n addClasificacion(pres, slide, ctx.clasificacion);\n slide.addText(data.titulo, {\n x: MARGIN,\n y: 0.55,\n w: PAGE_W - MARGIN * 2,\n h: 0.7,\n fontFace: FONT.header,\n fontSize: 28,\n bold: true,\n color: COLOR.ink,\n margin: 0,\n });\n const chartTypeMap = {\n barras: pres.charts.BAR,\n lineas: pres.charts.LINE,\n torta: pres.charts.PIE,\n area: pres.charts.AREA,\n };\n const chartType = chartTypeMap[data.tipo_grafico] || pres.charts.BAR;\n const chartW = data.comentario ? 8.2 : PAGE_W - MARGIN * 2;\n slide.addChart(chartType, [{\n name: data.serie_nombre || \"Serie\",\n labels: data.etiquetas,\n values: data.valores,\n }], {\n x: MARGIN,\n y: 1.7,\n w: chartW,\n h: PAGE_H - 1.7 - 0.7,\n chartColors: [COLOR.primary, COLOR.sage, COLOR.primaryDark, COLOR.inkMuted],\n chartArea: { fill: { color: COLOR.white } },\n catAxisLabelColor: COLOR.inkMuted,\n valAxisLabelColor: COLOR.inkMuted,\n valGridLine: { color: \"E2DDD5\", size: 0.5 },\n catGridLine: { style: \"none\" },\n showValue: data.tipo_grafico !== \"torta\",\n showPercent: data.tipo_grafico === \"torta\",\n dataLabelColor: COLOR.ink,\n showLegend: (data.etiquetas || []).length > 1 &&\n data.tipo_grafico === \"torta\",\n showTitle: false,\n });\n if (data.comentario) {\n slide.addShape(pres.shapes.ROUNDED_RECTANGLE, {\n x: MARGIN + chartW + 0.3,\n y: 1.7,\n w: PAGE_W - MARGIN * 2 - chartW - 0.3,\n h: PAGE_H - 1.7 - 0.7,\n fill: { color: COLOR.sand },\n rectRadius: 0.08,\n });\n slide.addText(data.comentario, {\n x: MARGIN + chartW + 0.55,\n y: 1.95,\n w: PAGE_W - MARGIN * 2 - chartW - 0.8,\n h: PAGE_H - 1.7 - 1.2,\n fontFace: FONT.body,\n fontSize: 14,\n color: COLOR.ink,\n margin: 0,\n });\n }\n addPageNumber(slide, pageNum);\n addLogo(slide, false, ctx.logos);\n}\n\nfunction addTabla(pres, data, pageNum, ctx) {\n const slide = pres.addSlide();\n slide.background = { color: COLOR.white };\n addClasificacion(pres, slide, ctx.clasificacion);\n slide.addText(data.titulo, {\n x: MARGIN,\n y: 0.55,\n w: PAGE_W - MARGIN * 2,\n h: 0.7,\n fontFace: FONT.header,\n fontSize: 28,\n bold: true,\n color: COLOR.ink,\n margin: 0,\n });\n const headers = data.columnas || [];\n const filas = data.filas || [];\n const rows = [];\n rows.push(headers.map((h) => ({\n text: String(h),\n options: {\n bold: true,\n color: COLOR.white,\n fill: { color: COLOR.primary },\n fontFace: FONT.body,\n fontSize: 12,\n },\n })));\n filas.forEach((fila, i) => {\n rows.push(fila.map((cell) => ({\n text: String(cell),\n options: {\n color: COLOR.ink,\n fill: { color: i % 2 === 0 ? COLOR.white : COLOR.cardBg },\n fontFace: FONT.body,\n fontSize: 11,\n },\n })));\n });\n slide.addTable(rows, {\n x: MARGIN,\n y: 1.75,\n w: PAGE_W - MARGIN * 2,\n border: { type: \"solid\", color: \"DDDDDD\", pt: 0.5 },\n autoPage: false,\n });\n addPageNumber(slide, pageNum);\n addLogo(slide, false, ctx.logos);\n}\n\nfunction addCitaDestacada(pres, data, pageNum, ctx) {\n const slide = pres.addSlide();\n slide.background = { color: COLOR.primary };\n addClasificacion(pres, slide, ctx.clasificacion);\n slide.addText(data.texto, {\n x: 1.4,\n y: 2.3,\n w: PAGE_W - 2.8,\n h: 2.2,\n fontFace: FONT.header,\n fontSize: 30,\n italic: true,\n color: COLOR.white,\n align: \"center\",\n valign: \"middle\",\n margin: 0,\n });\n if (data.atribucion) {\n slide.addText(data.atribucion, {\n x: 1.4,\n y: 4.6,\n w: PAGE_W - 2.8,\n h: 0.5,\n fontFace: FONT.body,\n fontSize: 14,\n color: COLOR.sand,\n align: \"center\",\n margin: 0,\n });\n }\n addPageNumber(slide, pageNum, COLOR.sand);\n addLogo(slide, true, ctx.logos);\n}\n\n// Fuentes — se agrega automáticamente si la IA buscó información en la web.\n// No es un tipo que la IA deba generar por su cuenta.\nfunction addFuentes(pres, data, pageNum, ctx) {\n const slide = pres.addSlide();\n slide.background = { color: COLOR.white };\n addClasificacion(pres, slide, ctx.clasificacion);\n slide.addText(data.titulo || \"Fuentes consultadas\", {\n x: MARGIN,\n y: 0.55,\n w: PAGE_W - MARGIN * 2,\n h: 0.7,\n fontFace: FONT.header,\n fontSize: 28,\n bold: true,\n color: COLOR.ink,\n margin: 0,\n });\n let y = 1.8;\n (data.items || []).forEach((f, i) => {\n slide.addText(`${i + 1}. ${f.titulo || f.url}`, {\n x: MARGIN,\n y,\n w: PAGE_W - MARGIN * 2,\n h: 0.35,\n fontFace: FONT.body,\n fontSize: 13,\n bold: true,\n color: COLOR.ink,\n margin: 0,\n });\n y += 0.32;\n if (f.url) {\n slide.addText(f.url, {\n x: MARGIN + 0.2,\n y,\n w: PAGE_W - MARGIN * 2 - 0.2,\n h: 0.3,\n fontFace: FONT.body,\n fontSize: 10,\n color: COLOR.inkMuted,\n margin: 0,\n hyperlink: { url: f.url },\n });\n y += 0.4;\n } else {\n y += 0.15;\n }\n });\n addPageNumber(slide, pageNum);\n addLogo(slide, false, ctx.logos);\n}\n\nfunction addCierre(pres, data, ctx) {\n const slide = pres.addSlide();\n slide.background = { color: COLOR.primary };\n addClasificacion(pres, slide, ctx.clasificacion);\n slide.addShape(pres.shapes.OVAL, {\n x: PAGE_W - 4.5,\n y: PAGE_H - 4,\n w: 6,\n h: 6,\n fill: { color: COLOR.primaryDark, transparency: 35 },\n });\n slide.addText(data.titulo || \"Gracias\", {\n x: MARGIN,\n y: 2.8,\n w: PAGE_W - MARGIN * 2,\n h: 1.2,\n fontFace: FONT.header,\n fontSize: 40,\n bold: true,\n color: COLOR.white,\n margin: 0,\n });\n const contacto = [\n data.contacto_nombre,\n data.contacto_email,\n data.contacto_extra,\n ].filter(Boolean).join(\" · \");\n if (contacto) {\n slide.addText(contacto, {\n x: MARGIN,\n y: 4.1,\n w: PAGE_W - MARGIN * 2,\n h: 0.6,\n fontFace: FONT.body,\n fontSize: 15,\n color: COLOR.sand,\n margin: 0,\n });\n }\n addLogo(slide, true, ctx.logos);\n}\n\nconst BUILDERS = {\n agenda: addAgenda,\n seccion: addSeccion,\n contenido_bullets: addContenidoBullets,\n dos_columnas: addDosColumnas,\n kpis: addKPIs,\n grafico: addGrafico,\n tabla: addTabla,\n cita_destacada: addCitaDestacada,\n fuentes: addFuentes,\n};\n\nasync function buildPresentation(datos, ctx) {\n const pres = new PptxGenJS();\n pres.layout = LAYOUT;\n pres.author = datos?.meta?.autor || \"Generado con IA\";\n pres.title = datos?.meta?.titulo || \"Presentación Corporativa\";\n\n addPortada(pres, datos.portada, ctx);\n let pageNum = 2;\n for (const slideData of datos.slides || []) {\n const builder = BUILDERS[slideData.tipo];\n if (!builder) continue;\n builder(pres, slideData, pageNum, ctx);\n pageNum++;\n }\n addCierre(pres, datos.cierre || {}, ctx);\n\n return await pres.write({ outputType: \"arraybuffer\" });\n}\n\n// ---------------------------------------------------------------------------\n// INSTRUCCIONES PARA LA IA\n// ---------------------------------------------------------------------------\nfunction armarInstrucciones(cantidadSlidesHint) {\n return `\nSos un asistente que convierte el objetivo, los datos, los archivos adjuntos\ny los pedidos específicos de un usuario en el JSON de una presentación\ncorporativa. Devolvé ÚNICAMENTE JSON válido, sin texto adicional, sin\nmarkdown, sin backticks, sin la palabra \"json\" antes ni después. Aunque uses\nbúsqueda web, tu única salida de texto visible debe ser el JSON.\n\nEstructura exacta a devolver:\n{\n \"meta\": { \"titulo\": \"string\", \"autor\": \"string\" },\n \"portada\": { \"titulo\": \"string\", \"subtitulo\": \"string\", \"autor\": \"string\", \"fecha\": \"string\" },\n \"slides\": [ /* bloques, ver tipos abajo */ ],\n \"cierre\": { \"titulo\": \"string\", \"contacto_nombre\": \"string\", \"contacto_email\": \"string\" }\n}\n\nTipos de slide disponibles (campo \"tipo\"):\n1. agenda: {\"tipo\":\"agenda\",\"titulo\":\"Agenda\",\"items\":[\"tema1\",\"tema2\"]}\n2. seccion: {\"tipo\":\"seccion\",\"numero\":1,\"titulo\":\"...\",\"descripcion\":\"...\"}\n3. contenido_bullets: {\"tipo\":\"contenido_bullets\",\"titulo\":\"...\",\"bullets\":[{\"titulo\":\"...\",\"detalle\":\"...\"}]}\n4. dos_columnas: {\"tipo\":\"dos_columnas\",\"titulo\":\"...\",\"columna_izquierda\":[\"...\",\"...\"],\"columna_derecha_titulo\":\"...\",\"columna_derecha_texto\":\"...\"}\n5. kpis: {\"tipo\":\"kpis\",\"titulo\":\"...\",\"stats\":[{\"valor\":\"42%\",\"etiqueta\":\"...\"}]} (2 a 4 stats)\n6. grafico: {\"tipo\":\"grafico\",\"titulo\":\"...\",\"tipo_grafico\":\"barras|lineas|torta|area\",\"serie_nombre\":\"...\",\"etiquetas\":[\"Q1\",\"Q2\"],\"valores\":[100,200],\"comentario\":\"...\"}\n7. tabla: {\"tipo\":\"tabla\",\"titulo\":\"...\",\"columnas\":[\"Col1\",\"Col2\"],\"filas\":[[\"a\",\"b\"],[\"c\",\"d\"]]}\n8. cita_destacada: {\"tipo\":\"cita_destacada\",\"texto\":\"...\",\"atribucion\":\"...\"}\n\nReglas obligatorias:\n- Español rioplatense, tono ejecutivo y directo, sin relleno.\n- Alternar tipos de slide, no repetir el mismo tipo más de 2 veces seguidas.\n- Si el usuario da \"pedidos específicos\", cumplilos literalmente y con prioridad\n sobre el resto: si pide que algo vaya en un gráfico, usá \"grafico\"; si pide\n una tabla, usá \"tabla\"; si pide que busques información sobre algo puntual,\n usá la búsqueda web para eso específicamente.\n- NUNCA inventes cifras, datos, citas o hechos que no estén en la información\n provista, en los archivos adjuntos, o en una búsqueda web real que hayas\n hecho. Si falta un dato necesario, escribí \"Dato no disponible\" en vez de\n inventarlo.\n- No busques \"quedar bien\" ni exageres logros o resultados para complacer al\n usuario: mantené un tono objetivo y realista, incluso si el objetivo\n declarado es promocional.\n- Si hay archivos adjuntos, basá el contenido relevante en su contenido real.\n- ${cantidadSlidesHint}\n`.trim();\n}\n\n// ---------------------------------------------------------------------------\n// FORMULARIO\n// ---------------------------------------------------------------------------\nconst FORM_HTML = `\n\n\n\nGenerador de Presentaciones YPF\n\n\n\n\n

Generador de Presentaciones

Completá los datos y generá tu presentación con diseño corporativo YPF.

\n\n Objetivo de la presentación\n \n\n Datos e información a incluir\n \n\n Pedidos específicos (opcional)\n \n Cualquier instrucción puntual sobre cómo mostrar algo, o pedidos de que busque información adicional por su cuenta.\n\n Archivos de referencia (opcional)\n \n La IA los va a analizar como fuente de información. Funciona mejor con PDF, imágenes, TXT o CSV.\n\n Clasificación del documento\n \n\n Cantidad de diapositivas\n \n\n Autor / equipo (opcional)\n \n\n \n

\n\n\n\n`;\n\n// ---------------------------------------------------------------------------\n// SERVIDOR\n// ---------------------------------------------------------------------------\nexport default async function (req: Request): Promise {\n const url = new URL(req.url);\n\n if (req.method === \"GET\" && url.pathname === \"/\") {\n return new Response(FORM_HTML, {\n headers: { \"Content-Type\": \"text/html; charset=utf-8\" },\n });\n }\n\n if (req.method === \"POST\" && url.pathname === \"/generar\") {\n try {\n const body = await req.json();\n const {\n objetivo,\n datos,\n pedidos,\n autor,\n clasificacion,\n cantidadSlides,\n archivos,\n } = body;\n\n if (!objetivo || !objetivo.trim()) {\n return Response.json(\n { error: \"Falta el objetivo de la presentación.\" },\n { status: 400 },\n );\n }\n if (!GEMINI_API_KEY) {\n return Response.json({\n error: \"Falta configurar GEMINI_API_KEY en las variables de entorno.\",\n }, { status: 500 });\n }\n\n const hintsCantidad = {\n auto:\n \"Usá entre 5 y 12 diapositivas según la cantidad de información disponible.\",\n corta:\n \"La presentación debe tener entre 5 y 7 diapositivas de contenido (sin contar portada ni cierre).\",\n media:\n \"La presentación debe tener entre 8 y 11 diapositivas de contenido (sin contar portada ni cierre).\",\n larga:\n \"La presentación debe tener entre 12 y 16 diapositivas de contenido (sin contar portada ni cierre).\",\n };\n const cantidadSlidesHint = hintsCantidad[cantidadSlides] ||\n hintsCantidad.auto;\n\n const promptTexto = `${armarInstrucciones(cantidadSlidesHint)}\\n\\n` +\n `OBJETIVO DE LA PRESENTACIÓN:\\n${objetivo}\\n\\n` +\n `DATOS E INFORMACIÓN A INCLUIR:\\n${\n datos || \"(no se proveyeron datos adicionales)\"\n }\\n\\n` +\n `PEDIDOS ESPECÍFICOS DEL USUARIO:\\n${\n pedidos || \"(sin pedidos específicos)\"\n }\\n\\n` +\n `AUTOR / EQUIPO: ${autor || \"(no especificado)\"}`;\n\n // Armamos las \"partes\" del mensaje: primero los archivos adjuntos (si hay),\n // después el texto con las instrucciones.\n const parts: any[] = [];\n for (const archivo of archivos || []) {\n const base64Puro = String(archivo.dataUrl).split(\",\")[1] || \"\";\n if (!base64Puro) continue;\n parts.push({\n inline_data: { mime_type: archivo.mimeType, data: base64Puro },\n });\n }\n parts.push({ text: promptTexto });\n\n const respuestaIA = await fetch(GEMINI_URL, {\n method: \"POST\",\n headers: { \"Content-Type\": \"application/json\" },\n body: JSON.stringify({\n contents: [{ parts }],\n tools: [{ google_search: {} }],\n }),\n });\n\n if (!respuestaIA.ok) {\n console.error(\"Error de Gemini:\", await respuestaIA.text());\n return Response.json({\n error:\n \"La IA no pudo procesar el pedido. Probá de nuevo en unos segundos.\",\n }, { status: 502 });\n }\n\n const dataIA = await respuestaIA.json();\n const candidato = dataIA?.candidates?.[0];\n const textoPartes = (candidato?.content?.parts || [])\n .map((p: any) => p.text || \"\")\n .join(\"\");\n let textoJSON = textoPartes.replace(/```json/gi, \"\").replace(/```/g, \"\")\n .trim();\n\n let datosPresentacion;\n try {\n datosPresentacion = JSON.parse(textoJSON);\n } catch {\n console.error(\"La IA no devolvió JSON válido:\", textoJSON);\n return Response.json({\n error: \"La IA devolvió un formato inesperado. Probá de nuevo.\",\n }, { status: 502 });\n }\n\n // Si la IA usó búsqueda web, agregamos automáticamente una diapositiva de fuentes.\n const chunks = candidato?.groundingMetadata?.groundingChunks || [];\n const vistos = new Set();\n const fuentes = [];\n for (const c of chunks) {\n if (c?.web?.uri && !vistos.has(c.web.uri)) {\n vistos.add(c.web.uri);\n fuentes.push({ titulo: c.web.title || c.web.uri, url: c.web.uri });\n }\n }\n if (fuentes.length > 0) {\n datosPresentacion.slides = datosPresentacion.slides || [];\n datosPresentacion.slides.push({\n tipo: \"fuentes\",\n titulo: \"Fuentes consultadas\",\n items: fuentes,\n });\n }\n\n const ctx = {\n clasificacion: clasificacion || \"privada\",\n logos: {\n blanco: await fetchImageAsDataUri(LOGO_BLANCO_URL),\n azul: await fetchImageAsDataUri(LOGO_AZUL_URL),\n },\n };\n\n const arrayBuffer = await buildPresentation(datosPresentacion, ctx);\n\n return new Response(arrayBuffer, {\n headers: {\n \"Content-Type\":\n \"application/vnd.openxmlformats-officedocument.presentationml.presentation\",\n \"Content-Disposition\": 'attachment; 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