First Commit

2026-09-01 07:49:48 -03:00
commit 28b1044038
399 changed files with 41659 additions and 0 deletions
@@ -0,0 +1,117 @@
+<?php
+
+namespace App\Services;
+
+use Illuminate\Support\Facades\Http;
+use Illuminate\Support\Facades\Log;
+
+class OpenRouterService
+{
+    public function generateInsight(string $subject, string $userMessage, array $context = []): array
+    {
+        $apiKey = config("services.openrouter.api_key");
+        $model = config("services.openrouter.model", "google/gemini-2.0-flash-exp:free");
+
+        // Get language preference from context or default to English
+        $language = $context['language'] ?? 'en';
+        unset($context['language']);
+
+        // Map language codes to full names
+        $languageNames = [
+            'pt_BR' => 'Brazilian Portuguese',
+            'en' => 'English',
+            'es' => 'Spanish',
+        ];
+        $languageName = $languageNames[$language] ?? 'English';
+
+        if (!$apiKey) {
+            return [
+                "success" => false,
+                "error" => "OpenRouter API key not configured",
+            ];
+        }
+
+        try {
+            $systemPrompt = "You are an expert learning assistant for the subject: {$subject}. "
+                . "Provide insightful, educational content. Be concise and practical.\n\n"
+                . "CRITICAL LANGUAGE INSTRUCTION - You MUST follow this exactly:\n"
+                . "Your entire response MUST be written ONLY in {$languageName} ({$language}).\n"
+                . "Do NOT use any other language. Do NOT include English translations or explanations.\n"
+                . "If the subject is a language course (like English), you may use that language as examples,\n"
+                . "but all instructions, explanations, and tips MUST be in {$languageName}.\n"
+                . "This is mandatory. Start your response directly with the tip in {$languageName}.";
+
+            // Append language instruction to user message as well
+            $userMessageWithLanguage = "[IMPORTANTE: Responda EXCLUSIVAMENTE em {$languageName}. "
+                . "NÃO use inglês. NÃO traduza. NÃO misture idiomas. "
+                . "Toda a resposta deve ser APENAS em {$languageName}.]\n\n"
+                . $userMessage;
+
+            $messages = [
+                ["role" => "system", "content" => $systemPrompt],
+                ["role" => "user", "content" => $userMessageWithLanguage],
+            ];
+
+            // Add context if provided
+            if (!empty($context)) {
+                $contextStr = "Context information:\n";
+                foreach ($context as $key => $value) {
+                    $contextStr .= "- {$key}: {$value}\n";
+                }
+                array_unshift($messages, ["role" => "system", "content" => $contextStr]);
+            }
+
+            $response = Http::withHeaders([
+                "Authorization" => "Bearer " . $apiKey,
+                "Content-Type" => "application/json",
+                "HTTP-Referer" => config("app.url"),
+                "X-Title" => config("app.name"),
+            ])->timeout(120)->post("https://openrouter.ai/api/v1/chat/completions", [
+                "model" => $model,
+                "messages" => $messages,
+            ]);
+
+            $data = $response->json();
+
+            if (!$data || !isset($data["choices"][0]["message"])) {
+                $errorMsg = $data["error"]["message"] ?? "Unknown API error";
+                Log::error("OpenRouter API error response", [
+                    "response" => $data,
+                    "subject" => $subject,
+                ]);
+                return [
+                    "success" => false,
+                    "error" => $errorMsg,
+                ];
+            }
+
+            $message = $data["choices"][0]["message"];
+            $content = $message["content"] ?? $message["reasoning"] ?? null;
+
+            if ($content) {
+                return [
+                    "success" => true,
+                    "content" => $content,
+                    "input_tokens" => $data["usage"]["prompt_tokens"] ?? 0,
+                    "output_tokens" => $data["usage"]["completion_tokens"] ?? 0,
+                ];
+            }
+
+            Log::error("OpenRouter API: Empty response content", [
+                "response" => $data,
+                "subject" => $subject,
+            ]);
+
+            return [
+                "success" => false,
+                "error" => "The AI model returned an empty response. Please try again.",
+            ];
+        } catch (\Exception $e) {
+            Log::error("OpenRouter API error: " . $e->getMessage());
+            return [
+                "success" => false,
+                "error" => $e->getMessage(),
+            ];
+        }
+    }
+}