backend/controllers/pestOutbreakController.js

import { generateAIContent } from '../utils/aiHelper.js';
import { extractLanguage, getLanguageName } from '../utils/aiOrchestrator.js';
import dotenv from "dotenv";

export const pestOutbreakRecommendations = async (req, res) => {
    dotenv.config();

    const { region, weather, cropType, communityReports } = req.body;

    if (!region || !weather || !cropType || !communityReports) {
        return res.status(400).json({
            error: "Missing required inputs: region, weather, cropType, communityReports",
        });
    }

    const lang = extractLanguage(req);
    const langName = getLanguageName(lang);
    const langInstruction = lang !== 'en' ? `\n\nRespond STRICTLY in ${langName} language. Translate all fields and values.` : '';

    try {
        const prompt = `
        You are an agricultural pest outbreak prediction expert.

        Analyze the risk of pest infestation using:
        - Region: ${region}
        - Weather forecast: ${weather}
        - Crop type: ${cropType}
        - Community pest reports (last 7 days): ${communityReports}

        Provide:
        1. Whether there is a risk of pest outbreak (Yes/No)
        2. Likely pest that may attack (e.g., stem borer, aphids, bollworm, etc.)
        3. Risk level (%) based on severity and probability
        4. Expected time window (days until possible outbreak)
        5. Preventive actions farmers should take immediately (bullet points)
        6. A short note (1–2 lines of advice)

        Respond ONLY in this JSON format:

        {
            "outbreak_risk": "",
            "likely_pest": "",
            "risk_level_percent": 0,
            "expected_days": 0,
            "preventive_actions": ["", "", ""],
            "note": ""
        }${langInstruction}
        `;

        const recommendation = await generateAIContent(prompt.trim());
        const formattedRecommendation = recommendation
            .replace("```json", "")
            .replace("```", "")
            .trim();
        res.status(200).json({
            recommendation: formattedRecommendation,
        });
    } catch (err) {
        console.error("Error fetching recommendations: ", err);
        res.status(500).json({ error: "Failed to fetch recommendations" });
    }
};