package cn.van.business.controller;

import cn.van.business.service.SocialMediaService;
import com.alibaba.fastjson2.JSONObject;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.HashMap;
import java.util.Map;

/**
 * 小红书/抖音内容生成控制器
 * 
 * @author System
 */
@Slf4j
@RestController
@RequestMapping("/jarvis/social-media")
public class SocialMediaController {

    @Autowired
    private SocialMediaService socialMediaService;

    /**
     * 提取关键词
     * 
     * POST /jarvis/social-media/extract-keywords
     * 
     * {
     *   "productName": "商品名称"
     * }
     */
    @PostMapping("/extract-keywords")
    public JSONObject extractKeywords(@RequestBody Map<String, Object> request) {
        JSONObject response = new JSONObject();
        try {
            String productName = (String) request.get("productName");
            
            if (productName == null || productName.trim().isEmpty()) {
                response.put("code", 400);
                response.put("msg", "商品名称不能为空");
                return response;
            }
            
            Map<String, Object> result = socialMediaService.extractKeywords(productName);
            
            response.put("code", 200);
            response.put("msg", "操作成功");
            response.put("data", result);
            
        } catch (Exception e) {
            log.error("提取关键词失败", e);
            response.put("code", 500);
            response.put("msg", "提取关键词失败: " + e.getMessage());
        }
        return response;
    }

    /**
     * 生成文案
     * 
     * POST /jarvis/social-media/generate-content
     * 
     * {
     *   "productName": "商品名称",
     *   "originalPrice": 499.0,
     *   "finalPrice": 199.0,
     *   "keywords": "关键词1、关键词2",
     *   "style": "xhs" // xhs/douyin/both
     * }
     */
    @PostMapping("/generate-content")
    public JSONObject generateContent(@RequestBody Map<String, Object> request) {
        JSONObject response = new JSONObject();
        try {
            String productName = (String) request.get("productName");
            Object originalPriceObj = request.get("originalPrice");
            Object finalPriceObj = request.get("finalPrice");
            String keywords = (String) request.get("keywords");
            String style = (String) request.getOrDefault("style", "both");
            
            if (productName == null || productName.trim().isEmpty()) {
                response.put("code", 400);
                response.put("msg", "商品名称不能为空");
                return response;
            }
            
            Double originalPrice = parseDouble(originalPriceObj);
            Double finalPrice = parseDouble(finalPriceObj);
            
            Map<String, Object> result = socialMediaService.generateContent(
                productName, originalPrice, finalPrice, keywords, style
            );
            
            response.put("code", 200);
            response.put("msg", "操作成功");
            response.put("data", result);
            
        } catch (Exception e) {
            log.error("生成文案失败", e);
            response.put("code", 500);
            response.put("msg", "生成文案失败: " + e.getMessage());
        }
        return response;
    }

    /**
     * 一键生成完整内容（关键词 + 文案 + 图片）
     * 
     * POST /jarvis/social-media/generate-complete
     * 
     * {
     *   "productImageUrl": "商品主图URL",
     *   "productName": "商品名称",
     *   "originalPrice": 499.0,
     *   "finalPrice": 199.0,
     *   "style": "xhs"
     * }
     */
    @PostMapping("/generate-complete")
    public JSONObject generateComplete(@RequestBody Map<String, Object> request) {
        JSONObject response = new JSONObject();
        try {
            String productImageUrl = (String) request.get("productImageUrl");
            String productName = (String) request.get("productName");
            Object originalPriceObj = request.get("originalPrice");
            Object finalPriceObj = request.get("finalPrice");
            String style = (String) request.getOrDefault("style", "both");
            
            if (productName == null || productName.trim().isEmpty()) {
                response.put("code", 400);
                response.put("msg", "商品名称不能为空");
                return response;
            }
            
            Double originalPrice = parseDouble(originalPriceObj);
            Double finalPrice = parseDouble(finalPriceObj);
            
            Map<String, Object> result = socialMediaService.generateCompleteContent(
                productImageUrl, productName, originalPrice, finalPrice, style
            );
            
            response.put("code", 200);
            response.put("msg", "操作成功");
            response.put("data", result);
            
        } catch (Exception e) {
            log.error("生成完整内容失败", e);
            response.put("code", 500);
            response.put("msg", "生成完整内容失败: " + e.getMessage());
        }
        return response;
    }

    /**
     * 解析Double值
     */
    private Double parseDouble(Object value) {
        if (value == null) {
            return null;
        }
        if (value instanceof Double) {
            return (Double) value;
        }
        if (value instanceof Number) {
            return ((Number) value).doubleValue();
        }
        try {
            return Double.parseDouble(value.toString());
        } catch (Exception e) {
            return null;
        }
    }
}