Vibe Marketing MCP

import { type ContentType, type SocialPlatform, validateLinkedinBeforeFoldCharacterLimit, validateMetaBeforeFoldCharacterLimit, validateTiktokBeforeFoldCharacterLimit, validateTwitterBeforeFoldCharacterLimit, validateYoutubeDescriptionBeforeFoldCharacterLimit, validateYoutubeTitleBeforeFoldCharacterLimit, } from "../textUtils.js"; export interface ValidationResult { isValid: boolean; message: string; characterCount: number; lineCount?: number; } export class ContentValidationService { /** * Validate content against before-fold limits for each social media platform */ validateContentBeforeFold( text: string, platform: SocialPlatform, contentType: ContentType = "post", ): ValidationResult { let isValid = false; let validationMessage = ""; const characterCount = text.length; switch (platform) { case "twitter": isValid = validateTwitterBeforeFoldCharacterLimit(text); validationMessage = isValid ? "Content passes Twitter before-fold limit (280 characters)" : "Content exceeds Twitter before-fold limit (280 characters)"; break; case "instagram": case "facebook": isValid = validateMetaBeforeFoldCharacterLimit(text); validationMessage = isValid ? `Content passes ${platform} before-fold limit (141 characters)` : `Content exceeds ${platform} before-fold limit (141 characters)`; break; case "tiktok": isValid = validateTiktokBeforeFoldCharacterLimit(text); validationMessage = isValid ? "Content passes TikTok before-fold limit (1000 characters)" : "Content exceeds TikTok before-fold limit (1000 characters)"; break; case "linkedin": isValid = validateLinkedinBeforeFoldCharacterLimit(text); validationMessage = isValid ? "Content passes LinkedIn before-fold limits (210 characters, 3 lines)" : "Content exceeds LinkedIn before-fold limits (210 characters, 3 lines)"; break; case "youtube": if (contentType === "title") { isValid = validateYoutubeTitleBeforeFoldCharacterLimit(text); validationMessage = isValid ? "YouTube title passes before-fold limit (70 characters)" : "YouTube title exceeds before-fold limit (70 characters)"; } else if (contentType === "description") { isValid = validateYoutubeDescriptionBeforeFoldCharacterLimit(text); validationMessage = isValid ? "YouTube description passes before-fold limit (157 characters)" : "YouTube description exceeds before-fold limit (157 characters)"; } else { isValid = validateYoutubeDescriptionBeforeFoldCharacterLimit(text); validationMessage = isValid ? "YouTube content passes before-fold limit (157 characters)" : "YouTube content exceeds before-fold limit (157 characters)"; } break; default: throw new Error(`Unsupported platform: ${platform}`); } const result: ValidationResult = { isValid, message: validationMessage, characterCount, }; // Add line count for LinkedIn if (platform === "linkedin") { result.lineCount = text.split(/\r\n|\r|\n/).length; } return result; } /** * Format validation result into a user-friendly response string */ formatValidationResult( result: ValidationResult, platform: SocialPlatform, contentType: ContentType = "post", ): string { const platformName = platform.charAt(0).toUpperCase() + platform.slice(1); const contentTypeText = contentType !== "post" ? ` (${contentType})` : ""; const statusIcon = result.isValid ? "✅" : "❌"; let response = `**Validation Result for ${platformName}${contentTypeText}:**\n\n`; response += `${statusIcon} ${result.message}\n\n`; response += `**Character Count:** ${result.characterCount} characters`; if (result.lineCount !== undefined) { response += `\n**Line Count:** ${result.lineCount} lines`; } return response; } }