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2026-05-14 08:42:03 +00:00
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+// services/provider-router.service.ts
+import { Injectable } from '@nestjs/common';
+import { ContentStyle } from '../enum/style.enum';
+import { ProviderName } from '../providers/ai-provider.factory';
+import {Language} from "../../../common/interfaces/language.prompt.interface";
+
+interface ProviderPair {
+    writer: ProviderName;
+    reviewer: ProviderName;
+}
+export type ContentType = 'post' | 'comment';
+interface RoutingDecision {
+    writer: ProviderName;
+    reviewer: ProviderName;
+    useXEnrichment: boolean;
+    reason: string;
+}
+
+@Injectable()
+export class ProviderRouterService {
+    /**
+     * Chọn cặp provider tối ưu theo style.
+     * Logic: style cần creativity -> GPT viết
+     *        style cần accuracy  -> DeepSeek viết
+     */
+    // routev0(style: ContentStyle): ProviderPair {
+    //     const map: Record<ContentStyle, ProviderPair> = {
+    //         // Cần hook mạnh, emotion -> GPT viết
+    //         [ContentStyle.BREAKING_NEWS]: { writer: 'openai',   reviewer: 'deepseek' },
+    //         [ContentStyle.MEME]:          { writer: 'openai',   reviewer: 'deepseek' },
+    //         [ContentStyle.LIFESTYLE]:     { writer: 'openai',   reviewer: 'deepseek' },
+    //         [ContentStyle.CRYPTO]:        { writer: 'openai',   reviewer: 'deepseek' },
+    //
+    //         // Cần accuracy, logic -> DeepSeek viết
+    //         [ContentStyle.TECH]:          { writer: 'deepseek', reviewer: 'openai'   },
+    //         [ContentStyle.FINANCE]:       { writer: 'deepseek', reviewer: 'openai'   },
+    //         [ContentStyle.EDUCATIONAL]:   { writer: 'deepseek', reviewer: 'openai'   },
+    //
+    //         // Neutral -> cheapest
+    //         [ContentStyle.GENERAL]:       { writer: 'deepseek', reviewer: 'deepseek' },
+    //     };
+    //     return map[style];
+    // }
+
+    /**
+     * Core routing logic: dựa vào language + contentType + style.
+     */
+    route(params: {
+        language: Language;
+        contentType: ContentType;
+        style?: ContentStyle;
+        tone?: string;
+    }): RoutingDecision {
+        const { language, contentType, style, tone } = params;
+
+        // === ENGLISH ===
+        if (language === 'en') {
+            // Breaking news EN -> Grok (real-time + X-native)
+            if (style === ContentStyle.BREAKING_NEWS) {
+                return {
+                    writer: 'grok',
+                    reviewer: 'deepseek',
+                    useXEnrichment: true,
+                    reason: 'EN breaking news: Grok has real-time X context',
+                };
+            }
+
+            // Comment EN casual/witty -> Grok
+            if (contentType === 'comment' && tone !== 'professional') {
+                return {
+                    writer: 'grok',
+                    reviewer: 'deepseek',
+                    useXEnrichment: false,
+                    reason: 'EN casual comment: Grok sounds most human on X',
+                };
+            }
+
+            // Comment EN professional/analyst -> GPT
+            if (contentType === 'comment' && tone === 'professional') {
+                return {
+                    writer: 'openai',
+                    reviewer: 'deepseek',
+                    useXEnrichment: false,
+                    reason: 'EN professional comment: GPT more consistent',
+                };
+            }
+
+            // Default EN
+            return {
+                writer: 'openai',
+                reviewer: 'deepseek',
+                useXEnrichment: false,
+                reason: 'EN default: GPT reliable',
+            };
+        }
+
+        // === JP / KR / VI ===
+        // GPT thắng áp đảo với non-English
+        // @ts-ignore
+        return {
+            writer: 'openai',
+            reviewer: 'deepseek',
+            useXEnrichment: [ContentStyle.BREAKING_NEWS].includes(style!), // breaking news cần phải dùng X tìm cho hay
+            reason: `${language.toUpperCase()}: GPT superior for non-English`,
+        };
+    }
+}