package com.example.demo.controller.cash;

import com.example.demo.Util.JWTUtil;
import com.example.demo.Util.LanguageTranslationUtil;
import com.example.demo.domain.DTO.IdRequest;
import com.example.demo.domain.entity.Admin;
import com.example.demo.domain.vo.cash.Status;
import com.example.demo.domain.vo.coin.Messages;
import com.example.demo.domain.vo.coin.Result;
import com.example.demo.service.cash.MessageService;
import com.example.demo.service.coin.MarketService;
import com.example.demo.service.coin.TranslationService;
import jakarta.servlet.http.HttpServletRequest;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;


import java.util.Arrays;
import java.util.List;

/**
 * @program: GOLD
 * @ClassName MessageController
 * @description:
 * @author: huangqizhen
 * @create: 2025−11−14 22:12
 * @Version 1.0
 **/
@RestController
@RequestMapping("/getMessage")
@RequiredArgsConstructor
@Slf4j
@CrossOrigin
public class MessageController {
    @Autowired
    private MessageService messageService;
    @Autowired
    private MarketService marketService;
    @Autowired
    private LanguageTranslationUtil languageTranslationUtil;
    @Autowired
    private TranslationService translationService;

    @PostMapping
    public Result getMessage(@RequestBody Status status, @RequestHeader(defaultValue = "zh_CN") String lang) throws Exception {
        HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
        String token = request.getHeader("token");

        // 解析 token 获取用户信息
        Admin admin = (Admin) JWTUtil.getUserDetailsList(String.valueOf(token), Admin.class);
        List<String> userMarkets = Arrays.asList(StringUtils.split(admin.getMarkets(), ","));
        List<String> markets = marketService.getMarketIds(userMarkets);

        // 解析语言代码
        String languageCode = parseLanguageCode(lang);
        // 如果不是中文环境，将查询条件中的翻译文本转换为中文简体
        if (!"zh".equalsIgnoreCase(languageCode) && !"zh_cn".equalsIgnoreCase(languageCode)) {
            List<com.example.demo.domain.vo.coin.Messages> messages = messageService.getMessage(markets, status.getStatus());
            convertTranslatedFieldsToChinese((Messages) messages, languageCode);
        }

        // 权限校验逻辑
        if (markets.contains("9") || markets.contains("9999")) {
            markets = null;
        }

        List<com.example.demo.domain.vo.coin.Messages> messages = messageService.getMessage(markets, status.getStatus());
        // 对返回结果进行多语言转换
        translateMessages(messages, lang);
        return Result.success(messages);
    }

    @PostMapping("/update")
    public Result update(@RequestBody IdRequest idRequest, @RequestHeader(defaultValue = "zh_CN") String lang) throws Exception {
        try {
            Integer id = idRequest.getId();
            messageService.update(id);
            return Result.success();
        }
        catch (Exception e) {
            String errorMsg = languageTranslationUtil.translate("更新失败", lang);
            return Result.error(errorMsg);
        }
    }

    /**
     * 转换消息列表的多语言字段
     */
    private void translateMessages(List<com.example.demo.domain.vo.coin.Messages> messages, String lang) {
        if (messages != null && !messages.isEmpty()) {
            for (com.example.demo.domain.vo.coin.Messages message : messages) {
                // 翻译标题
                if (message.getTitle() != null && !message.getTitle().isEmpty()) {
                    message.setTitle(languageTranslationUtil.translate(message.getTitle(), lang));
                }
                // 翻译描述
                if (message.getDesc() != null && !message.getDesc().isEmpty()) {
                    message.setDesc(languageTranslationUtil.translate(message.getDesc(), lang));
                }
                // 翻译市场名称
                if (message.getMarketName() != null && !message.getMarketName().isEmpty()) {
                    message.setMarketName(languageTranslationUtil.translate(message.getMarketName(), lang));
                }
            }
        }
    }

    /**
     * 解析语言代码
     */
    private String parseLanguageCode(String langHeader) {
        if (langHeader == null || langHeader.isEmpty()) {
            return "zh";
        }
        // 处理类似 "en-US" 或 "zh-TW" 的情况
        if (langHeader.contains("-")) {
            String[] parts = langHeader.split("-");
            // 特殊处理中文繁体
            if ("zh".equalsIgnoreCase(parts[0]) && "TW".equalsIgnoreCase(parts[1])) {
                return "zh_TW";
            }
            return parts[0].toLowerCase();
        }
        return langHeader.toLowerCase();
    }

    /**
     * 将查询条件中的翻译字段转换为中文简体
     */
    private void convertTranslatedFieldsToChinese(Messages messages, String languageCode) {
        if (messages != null) {
            // 翻译标题
            if (messages.getTitle() != null && !messages.getTitle().isEmpty()) {
                messages.setTitle(languageTranslationUtil.translate(messages.getTitle(), languageCode));
            }
            // 翻译描述
            if (messages.getDesc() != null && !messages.getDesc().isEmpty()) {
                messages.setDesc(languageTranslationUtil.translate(messages.getDesc(), languageCode));
            }
            // 翻译市场名称
            if (messages.getMarketName() != null && !messages.getMarketName().isEmpty()) {
                messages.setMarketName(languageTranslationUtil.translate(messages.getMarketName(), languageCode));
            }
        }
    }
}