feat: Implement Telegram Bot and AI Settings

app/api/proxy/models/route.ts

@@ -0,0 +1,48 @@
+import { NextResponse } from 'next/server'
+
+export async function POST(request: Request) {
+    try {
+        const { endpoint, token } = await request.json()
+
+        if (!endpoint || !token) {
+            return NextResponse.json({ success: false, error: 'Faltan datos' }, { status: 400 })
+        }
+
+        // Try standard /v1/models endpoint
+        // If user provided "https://api.example.com/v1", we append "/models"
+        let targetUrl = endpoint
+        if (targetUrl.endsWith('/')) {
+            targetUrl = `${targetUrl}v1/models`
+        } else if (!targetUrl.endsWith('/models')) {
+            targetUrl = `${targetUrl}/v1/models`
+        }
+
+        const response = await fetch(targetUrl, {
+            method: 'GET',
+            headers: {
+                'Authorization': `Bearer ${token}`,
+                'x-api-key': token
+            }
+        })
+
+        if (!response.ok) {
+            const text = await response.text()
+            return NextResponse.json({ success: false, error: text }, { status: response.status })
+        }
+
+        const data = await response.json()
+        // Normalizing response: OpenAI/Anthropic usually return { data: [{ id: 'model-name' }, ...] }
+
+        let models: string[] = []
+        if (Array.isArray(data.data)) {
+            models = data.data.map((m: any) => m.id)
+        } else if (Array.isArray(data)) {
+            models = data.map((m: any) => m.id || m.model || m)
+        }
+
+        return NextResponse.json({ success: true, models })
+
+    } catch (error: any) {
+        return NextResponse.json({ success: false, error: error.message }, { status: 500 })
+    }
+}

app/api/settings/route.ts

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+import { NextResponse } from 'next/server'
+import fs from 'fs'
+import path from 'path'
+import { AppSettings } from '@/lib/types'
+
+const SETTINGS_FILE = path.join(process.cwd(), 'server-settings.json')
+
+const DEFAULT_SETTINGS: AppSettings = {
+    telegram: {
+        botToken: '',
+        chatId: '',
+    },
+    aiProviders: [],
+}
+
+export async function GET() {
+    try {
+        if (!fs.existsSync(SETTINGS_FILE)) {
+            return NextResponse.json(DEFAULT_SETTINGS)
+        }
+        const data = fs.readFileSync(SETTINGS_FILE, 'utf8')
+        const settings = JSON.parse(data)
+        return NextResponse.json(settings)
+    } catch (error) {
+        console.error('Error reading settings:', error)
+        return NextResponse.json(DEFAULT_SETTINGS, { status: 500 })
+    }
+}
+
+export async function POST(request: Request) {
+    try {
+        const body = await request.json()
+        // Basic validation could go here
+        const settings: AppSettings = {
+            telegram: {
+                botToken: body.telegram?.botToken || '',
+                chatId: body.telegram?.chatId || ''
+            },
+            aiProviders: Array.isArray(body.aiProviders) ? body.aiProviders : []
+        }
+
+        fs.writeFileSync(SETTINGS_FILE, JSON.stringify(settings, null, 2))
+        return NextResponse.json({ success: true, settings })
+    } catch (error) {
+        console.error('Error saving settings:', error)
+        return NextResponse.json({ success: false, error: 'Failed to save settings' }, { status: 500 })
+    }
+}

app/api/test/ai/route.ts

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+import { NextResponse } from 'next/server'
+
+export async function POST(request: Request) {
+    try {
+        const { endpoint, token, model } = await request.json()
+
+        if (!endpoint || !token) {
+            return NextResponse.json(
+                { success: false, error: 'Faltan credenciales (Endpoint o Token)' },
+                { status: 400 }
+            )
+        }
+
+        // Prepare target URL
+        let targetUrl = endpoint
+        if (!targetUrl.endsWith('/messages') && !targetUrl.endsWith('/chat/completions')) {
+            targetUrl = targetUrl.endsWith('/') ? `${targetUrl}v1/messages` : `${targetUrl}/v1/messages`
+        }
+
+        const start = Date.now()
+
+        // Payload for Anthropic /v1/messages
+        const body = {
+            model: model || "gpt-3.5-turbo", // Fallback if no model selected
+            messages: [{ role: "user", content: "Ping" }],
+            max_tokens: 10
+        }
+
+        const response = await fetch(targetUrl, {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json',
+                'x-api-key': token,
+                'anthropic-version': '2023-06-01',
+                'Authorization': `Bearer ${token}`
+            },
+            body: JSON.stringify(body)
+        })
+
+        const duration = Date.now() - start
+
+        if (!response.ok) {
+            const text = await response.text()
+            return NextResponse.json(
+                { success: false, error: `Error ${response.status}: ${text.slice(0, 100)}` },
+                { status: response.status }
+            )
+        }
+
+        return NextResponse.json({ success: true, latency: duration })
+
+    } catch (error: any) {
+        console.error('AI Test Error:', error)
+        return NextResponse.json(
+            { success: false, error: error.message || 'Error de conexión' },
+            { status: 500 }
+        )
+    }
+}

app/api/test/telegram/route.ts

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+import { NextResponse } from 'next/server'
+
+export async function POST(request: Request) {
+    try {
+        const { botToken, chatId } = await request.json()
+
+        if (!botToken || !chatId) {
+            return NextResponse.json(
+                { success: false, error: 'Faltan credenciales (Token o Chat ID)' },
+                { status: 400 }
+            )
+        }
+
+        const message = "🤖 *Prueba de Conexión*\n\n¡Hola! Si lees esto, tu bot de Finanzas está correctamente configurado. 🚀"
+
+        const url = `https://api.telegram.org/bot${botToken}/sendMessage`
+        const response = await fetch(url, {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify({
+                chat_id: chatId,
+                text: message,
+                parse_mode: 'Markdown'
+            })
+        })
+
+        const data = await response.json()
+
+        if (!data.ok) {
+            return NextResponse.json(
+                { success: false, error: data.description || 'Error desconocido de Telegram' },
+                { status: 500 }
+            )
+        }
+
+        return NextResponse.json({ success: true, data })
+
+    } catch (error: any) {
+        console.error('Telegram Test Error:', error)
+        return NextResponse.json(
+            { success: false, error: error.message || 'Error interno del servidor' },
+            { status: 500 }
+        )
+    }
+}