package com.example.demo.controller.coin;

import com.example.demo.Util.JWTUtil;
import com.example.demo.Util.LanguageTranslationUtil;
import com.example.demo.config.interfac.Log;
import com.example.demo.domain.entity.Admin;
import com.example.demo.service.coin.RefundService;
import com.example.demo.service.coin.TranslationService;
import com.github.pagehelper.PageInfo;
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.util.ObjectUtils;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;
import com.example.demo.domain.vo.coin.*;
import java.util.Arrays;
import java.util.List;

/**
 * @program: gold-java
 * @ClassName RefundMapper.xml
 * @description:
 * @author: Double
 * @create: 2025−06-26 11:28
 * @Version 1.0
 **/

@RestController
@RequestMapping("/refund")
@RequiredArgsConstructor
@Slf4j
@CrossOrigin
public class RefundController {

    @Autowired
    private RefundService refundService;

    // 注入 TranslationService
    @Autowired
    private TranslationService translationService;

    // 注入多语言转换工具类
    @Autowired
    private LanguageTranslationUtil languageTranslationUtil;

    //退款明细
    @Log("获取全部退款明细")
    @PostMapping("/selectAll")
    public Result selectAll(@RequestBody Page page, @RequestHeader(defaultValue = "zh") String lang) {
        try {
            // 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)) {
                convertRefundTranslatedFieldsToChinese(page.getRefundUser(), languageCode);
            }

            if (ObjectUtils.isEmpty(page.getPageNum())) {
                String errorMsg = languageTranslationUtil.translate("页码数为空！", lang);
                return Result.error(errorMsg);
            }
            if (ObjectUtils.isEmpty(page.getPageSize())) {
                String errorMsg = languageTranslationUtil.translate("页大小为空！", lang);
                return Result.error(errorMsg);
            } else {
                //解token权限
                HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
                String token = request.getHeader("token");
                Admin admin = (Admin) JWTUtil.getUserDetailsList(String.valueOf(token), Admin.class);
                if (admin != null) {
                    List<String> list = Arrays.asList(admin.getMarkets().split(","));
                    page.getRefundUser().setMarkets(list);
                } else {
                    String errorMsg = languageTranslationUtil.translate("角色为空", lang);
                    return Result.error(errorMsg);
                }
                Result result = Result.success(refundService.selectAll(page.getPageNum(), page.getPageSize(), page.getRefundUser()));

                // 对返回结果进行多语言转换
                if (result.getCode() == 200 && result.getData() instanceof PageInfo) {
                    PageInfo<RefundUser> pageInfo = (PageInfo<RefundUser>) result.getData();
                    translateRefundUsers(pageInfo, lang);
                }

                return result;
            }
        } catch (Exception e) {
            String errorMsg = languageTranslationUtil.translate("请检查筛选数据的格式", lang);
            return Result.error(errorMsg);
        }

    }

    //退款筛选
    @Log("退款明细筛选")
    @PostMapping("/selectBy")
    public Result selectBy(@RequestBody Page page, @RequestHeader(defaultValue = "zh") String lang) {
        try {
            // 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)) {
                convertRefundTranslatedFieldsToChinese(page.getRefundUser(), languageCode);
            }

            if (ObjectUtils.isEmpty(page.getPageNum())) {
                String errorMsg = languageTranslationUtil.translate("页码数为空！", lang);
                return Result.error(errorMsg);
            }
            if (ObjectUtils.isEmpty(page.getPageSize())) {
                String errorMsg = languageTranslationUtil.translate("页大小为空！", lang);
                return Result.error(errorMsg);
            } else {
                //解token权限
                if(page.getRefundUser().getMarkets()==null||page.getRefundUser().getMarkets().isEmpty()) {
                    HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
                    String token = request.getHeader("token");
                    Admin admin = (Admin) JWTUtil.getUserDetailsList(String.valueOf(token), Admin.class);
                    List<String> markets = Arrays.asList(StringUtils.split(admin.getMarkets(), ","));
                    page.getRefundUser().setMarkets(markets);
                }
                Result result = Result.success(refundService.selectBy(page.getPageNum(), page.getPageSize(), page.getRefundUser()));
                // 对返回结果进行多语言转换
                if (result.getCode() == 200 && result.getData() instanceof PageInfo) {
                    PageInfo<RefundUser> pageInfo = (PageInfo<RefundUser>) result.getData();
                    translateRefundUsers(pageInfo, lang);
                }
                return result;
            }
        } catch (Exception e) {
            String errorMsg = languageTranslationUtil.translate("请检查筛选数据的格式", lang);
            return Result.error(errorMsg);
        }

    }

    //退款金币统计
    @Log("退款金币合计数统计")
    @PostMapping("/statsGold")
    public Result statsGold(@RequestBody RefundUser refundUser, @RequestHeader(defaultValue = "zh") String lang) {
        try {
            // 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)) {
                convertRefundTranslatedFieldsToChinese(refundUser, languageCode);
            }

            //解token权限
            if(refundUser.getMarkets()==null||refundUser.getMarkets().isEmpty()) {
                HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
                String token = request.getHeader("token");
                Admin admin = (Admin) JWTUtil.getUserDetailsList(String.valueOf(token), Admin.class);
                List<String> markets = Arrays.asList(StringUtils.split(admin.getMarkets(), ","));
                refundUser.setMarkets(markets);
            }
            Gold gold = refundService.statsGold(refundUser);
            return Result.success(gold);
        } catch (Exception e) {
            String errorMsg = languageTranslationUtil.translate("请检查数据的格式", lang);
            return Result.error(errorMsg);
        }
    }

    //获取退款类型
    @Log("获取退款类型")
    @PostMapping("/refundType")
    public Result getRefundType(@RequestHeader(defaultValue = "zh") String lang) {
        // 解析语言代码
        String languageCode = parseLanguageCode(lang);

        List<String> list = refundService.getRefundType(lang);

        // 如果不是中文环境，先将翻译后的退款类型转换为中文简体进行处理
        if (!"zh".equalsIgnoreCase(languageCode) && !"zh_cn".equalsIgnoreCase(languageCode)) {
            convertTranslatedRefundTypesToChinese(list, languageCode);
        }

        // 对退款类型进行多语言转换
        translateRefundTypes(list, lang);
        return Result.success(list);
    }

    //筛选产品
//    @Log("筛选商品")
    @PostMapping("/selectGoods")
    public Result getSelectGoods(@RequestBody RefundUser refundUser, @RequestHeader(defaultValue = "zh") String lang) {
        // 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)) {
            convertRefundTranslatedFieldsToChinese(refundUser, languageCode);
        }

        List<RefundUser> list = refundService.selectGoods(refundUser, lang);
        return Result.success(list);
    }

    //消耗金币退款
    @Log("新增金币退款")
    @PostMapping("/add")
    public Result add(@RequestBody RefundUser refundUser, @RequestHeader(defaultValue = "zh") String lang) {
        try {
            // 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)) {
                convertRefundTranslatedFieldsToChinese(refundUser, languageCode);
            }

            return refundService.add(refundUser, lang);
        } catch (Exception e) {
            e.printStackTrace();
            String errorMsg = languageTranslationUtil.translate(e.getMessage(), lang);
            return Result.error(errorMsg);
        }
    }

    public Result select(@RequestBody Page page, @RequestHeader(defaultValue = "zh") String lang) {
        try {
            // 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)) {
                convertRefundTranslatedFieldsToChinese(page.getRefundUser(), languageCode);
            }

            if (ObjectUtils.isEmpty(page.getPageNum())) {
                String errorMsg = languageTranslationUtil.translate("页码数为空！", lang);
                return Result.error(errorMsg);
            }
            if (ObjectUtils.isEmpty(page.getPageSize())) {
                String errorMsg = languageTranslationUtil.translate("页大小为空！", lang);
                return Result.error(errorMsg);
            } else {
                Result result = Result.success(refundService.selectBy(page.getPageNum(), page.getPageSize(), page.getRefundUser()));

                // 对返回结果进行多语言转换
                if (result.getCode() == 200 && result.getData() instanceof PageInfo) {
                    PageInfo<RefundUser> pageInfo = (PageInfo<RefundUser>) result.getData();
                    translateRefundUsers(pageInfo, lang);
                }

                return result;
            }
        } catch (Exception e) {
            e.printStackTrace();
            String errorMsg = languageTranslationUtil.translate("请检查筛选数据的格式", lang);
            return Result.error(errorMsg);
        }

    }

    /**
     * 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();
    }

    /**
     * 将退款查询条件中的翻译字段转换为中文简体
     */
    private void convertRefundTranslatedFieldsToChinese(RefundUser refundUser, String languageCode) {
        if (refundUser != null) {
            // 转换市场名称
            if (refundUser.getMarket() != null && !refundUser.getMarket().isEmpty()) {
                String chineseMarket = translationService.findChineseSimplifiedByTranslation(
                        refundUser.getMarket(), languageCode);
                refundUser.setMarket(chineseMarket);
            }

            // 转换商品名称
            if (refundUser.getGoodsName() != null && !refundUser.getGoodsName().isEmpty()) {
                String chineseGoodsName = translationService.findChineseSimplifiedByTranslation(
                        refundUser.getGoodsName(), languageCode);
                refundUser.setGoodsName(chineseGoodsName);
            }

            // 转换退款类型
            if (refundUser.getRefundType() != null && !refundUser.getRefundType().isEmpty()) {
                String chineseRefundType = translationService.findChineseSimplifiedByTranslation(
                        refundUser.getRefundType(), languageCode);
                refundUser.setRefundType(chineseRefundType);
            }
        }
    }

    /**
     * 将翻译后的退款类型转换为中文简体
     */
    private void convertTranslatedRefundTypesToChinese(List<String> refundTypes, String languageCode) {
        if (refundTypes != null && !refundTypes.isEmpty()) {
            for (int i = 0; i < refundTypes.size(); i++) {
                String chineseType = translationService.findChineseSimplifiedByTranslation(
                        refundTypes.get(i), languageCode);
                refundTypes.set(i, chineseType);
            }
        }
    }

    /**
     * 转换退款用户信息的多语言字段
     */
    private void translateRefundUsers(PageInfo<RefundUser> pageInfo, String lang) {
        if (pageInfo != null && pageInfo.getList() != null) {
            for (RefundUser user : pageInfo.getList()) {
                // 翻译市场名称
                if (user.getMarket() != null) {
                    user.setMarket(languageTranslationUtil.translate(user.getMarket(), lang));
                }
                // 翻译商品名称
                if (user.getGoodsName() != null) {
                    user.setGoodsName(languageTranslationUtil.translate(user.getGoodsName(), lang));
                }
                // 翻译退款类型
                if (user.getRefundType() != null) {
                    user.setRefundType(languageTranslationUtil.translate(user.getRefundType(), lang));
                }
                // 翻译退款模型描述
                if (user.getRefundModel() != null) {
                    String refundModelDesc = convertRefundModelToString(user.getRefundModel());
                    user.setRefundModelDesc(languageTranslationUtil.translate(refundModelDesc, lang));
                }
            }
        }
    }

    /**
     * 转换退款类型列表的多语言字段
     */
    private void translateRefundTypes(List<String> refundTypes, String lang) {
        if (refundTypes != null && !refundTypes.isEmpty()) {
            for (int i = 0; i < refundTypes.size(); i++) {
                String translatedType = languageTranslationUtil.translate(refundTypes.get(i), lang);
                refundTypes.set(i, translatedType);
            }
        }
    }

    /**
     * 将退款模型数字转换为中文描述
     */
    private String convertRefundModelToString(Byte refundModel) {
        if (refundModel == null) return "";
        switch (refundModel) {
            case 0: return "全部退款";
            case 1: return "部分退款";
            default: return "未知退款方式";
        }
    }
}