package com.xiaopeng.operation.controller;


import cn.afterturn.easypoi.excel.ExcelExportUtil;
import cn.afterturn.easypoi.excel.ExcelImportUtil;
import cn.afterturn.easypoi.excel.entity.ExportParams;
import cn.afterturn.easypoi.excel.entity.ImportParams;
import cn.afterturn.easypoi.excel.entity.TemplateExportParams;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.util.PhoneUtil;
import cn.hutool.core.io.resource.ClassPathResource;
import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
import com.xiaopeng.api.feignClient.account.SysGroupMenuClient;
import com.xiaopeng.api.model.operation.XpInvitationCode;
import com.xiaopeng.api.model.operation.XpWhitelist;
import com.xiaopeng.common.core.domain.R;
import com.xiaopeng.common.core.exception.ServiceException;
import com.xiaopeng.common.core.utils.DateUtils;
import com.xiaopeng.common.core.utils.WebUtils;
import com.xiaopeng.common.core.web.page.PageInfo;
import com.xiaopeng.operation.constant.I18nKeyConstant;
import com.xiaopeng.operation.dto.InvitationAddDto;
import com.xiaopeng.operation.exportExcle.XpInvitationCodeExportExcel;
import com.xiaopeng.operation.importExcel.InvitationCodeImportExcel;
import com.xiaopeng.operation.query.InvitationPageListQuery;
import com.xiaopeng.operation.service.IXpInvitationCodeService;
import com.xiaopeng.operation.service.IXpWhitelistService;
import io.swagger.annotations.*;
import lombok.extern.slf4j.Slf4j;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.shardingsphere.transaction.annotation.ShardingSphereTransactionType;
import org.apache.shardingsphere.transaction.core.TransactionType;
import org.springframework.context.MessageSource;
import org.springframework.context.i18n.LocaleContextHolder;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.CollectionUtils;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;

import javax.annotation.Resource;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.InputStream;
import java.net.URLEncoder;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.*;
import java.util.stream.Collectors;
import java.util.regex.Pattern;

/**
 * <p>
 * 邀请码管理 前端控制器
 * </p>
 *
 * @author mitao
 * @since 2026-02-03
 */
@RestController
@Api(tags = "邀请码管理")
@Slf4j
@RequestMapping("")
public class XpInvitationCodeController {
    @Resource
    private IXpInvitationCodeService xpInvitationCodeService;
    @Resource
    private IXpWhitelistService xpWhitelistService;
    @Resource
    private MessageSource messageSource;
    @Resource
    private SysGroupMenuClient groupMenuClient;

    private static final Pattern CHINESE_PATTERN = Pattern.compile("\\p{IsHan}");
    private static final long INVITATION_CODE_LIMIT = 500L;

    @ApiOperation(value = "邀请码管理分页列表", response = XpInvitationCode.class)
    @PostMapping("/api/v1/invitation/pageList")
    public R<PageInfo<XpInvitationCode>> pageList(@RequestBody InvitationPageListQuery query) {
        PageInfo<XpInvitationCode> pageList = xpInvitationCodeService.pageList(query);
        pageList.getRecords().forEach(s -> s.setBindAccount(groupMenuClient.getPhoneDesensitization(s.getBindAccount()).getData()));
        return R.ok(pageList);
    }

    /**
     * 生成邀请码
     */
    @PostMapping("/api/v1/invitation/add")
    @ResponseBody
    @ApiOperation(value = "生成邀请码")
    public R add(@RequestBody InvitationAddDto dto) {
        long existing = xpInvitationCodeService.count();
        long incoming = Arrays.stream(Optional.ofNullable(dto.getPhones()).orElse("").split(","))
                .map(String::trim)
                .filter(StringUtils::hasLength)
                .count();
        if (existing >= INVITATION_CODE_LIMIT || existing + incoming > INVITATION_CODE_LIMIT) {
            String msg = messageSource.getMessage(I18nKeyConstant.INVITATION_LIMIT_EXCEEDED,
                    new Object[]{INVITATION_CODE_LIMIT, existing, incoming},
                    I18nKeyConstant.INVITATION_LIMIT_EXCEEDED,
                    LocaleContextHolder.getLocale());
            return R.fail(msg);
        }
        return xpInvitationCodeService.add(dto.getPhones());
    }

    /**
     * 解绑
     */
    @PutMapping("/api/v1/invitation/unbind")
    @ResponseBody
    @ApiOperation(value = "解绑")
    @ApiImplicitParams({
            @ApiImplicitParam(value = "id", name = "id", dataType = "Long", required = true)
    })
    public R unbind(@RequestParam("id") Long id) {
        UpdateWrapper<XpInvitationCode> xpInvitationCodeUpdateWrapper = new UpdateWrapper<>();
        xpInvitationCodeUpdateWrapper.eq("id", id);
        xpInvitationCodeUpdateWrapper.set("status", 3);
        xpInvitationCodeUpdateWrapper.set("bind_account", null);
        xpInvitationCodeService.update(xpInvitationCodeUpdateWrapper);
        return R.ok();
    }

    @ApiOperation(value = "邀请码导入模板下载")
    @GetMapping("/api/v1/invitation/import-template")
    public void importTemplate() {
        List<InvitationCodeImportExcel> invitationCodeImportExcels = new ArrayList<>();
        InvitationCodeImportExcel invitationCodeImportExcel = new InvitationCodeImportExcel();
        invitationCodeImportExcels.add(invitationCodeImportExcel);
        Workbook workbook = ExcelExportUtil.exportExcel(new ExportParams(), InvitationCodeImportExcel.class, invitationCodeImportExcels);
        HttpServletResponse response = WebUtils.response();
        ServletOutputStream outputStream = null;
        //1.获取excel模板
        ClassPathResource classPathResource = new ClassPathResource("template/邀请码导入模板.xlsx");
        TemplateExportParams params = new TemplateExportParams(classPathResource.getPath());
        response.setContentType("application/vnd.ms-excel");
        response.setCharacterEncoding("utf-8");
        try {
            String fileName = URLEncoder.encode("邀请码导入模板.xlsx", "utf-8");
            response.setHeader("Content-dispodition", "attachment;filename=" + fileName);
            outputStream = response.getOutputStream();
            workbook.write(outputStream);

        } catch (IOException e) {
            e.printStackTrace();
            System.out.println("邀请码导入模板下载失败!");
        } finally {
            try {
                outputStream.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

    @ApiOperation(value = "邀请码导入")
    @PostMapping("/base/v1/invitation/importExcel")
    public R<String> importExcel(@RequestParam("file") MultipartFile file) {
        ImportParams params = new ImportParams();
        params.setHeadRows(1); //表头行数
        InputStream inputStream = null;
        List<InvitationCodeImportExcel> invitationCodeImportExcels;
        try {
            inputStream = file.getInputStream();
            invitationCodeImportExcels = ExcelImportUtil.importExcel(inputStream,
                    InvitationCodeImportExcel.class, params);
        } catch (Exception e) {
            e.printStackTrace();
            log.error("邀请码导入失败:{}", e.getMessage());
            throw new ServiceException("邀请码导入失败!");
        } finally {
            try {
                if (inputStream != null) {
                    inputStream.close();
                }
            } catch (IOException e) {
                throw new ServiceException(e.getMessage());
            }
        }
        if (CollectionUtils.isEmpty(invitationCodeImportExcels)) {
            return R.fail(messageSource.getMessage(I18nKeyConstant.INVITATION_IMPORT_DATA_EMPTY, null, I18nKeyConstant.INVITATION_IMPORT_DATA_EMPTY, LocaleContextHolder.getLocale()));
        }

        long existing = xpInvitationCodeService.count();
        long incoming = invitationCodeImportExcels.size();
        if (existing >= INVITATION_CODE_LIMIT || existing + incoming > INVITATION_CODE_LIMIT) {
            String msg = messageSource.getMessage(I18nKeyConstant.INVITATION_LIMIT_EXCEEDED,
                    new Object[]{INVITATION_CODE_LIMIT, existing, incoming},
                    I18nKeyConstant.INVITATION_LIMIT_EXCEEDED,
                    LocaleContextHolder.getLocale());
            return R.fail(msg);
        }

        // 批量校验：账号必须为手机号；邀请码不能为空且不能包含中文；同时校验文件内重复/数据库已存在
        List<String> errors = new ArrayList<>();
        Set<String> importCodes = new HashSet<>();
        for (int i = 0; i < invitationCodeImportExcels.size(); i++) {
            InvitationCodeImportExcel row = invitationCodeImportExcels.get(i);
            int rowNum = i + 2;

            String invitationCode = trimToNull(row.getInvitationCode());
            String bindAccount = trimToNull(row.getBindAccount());
            row.setInvitationCode(invitationCode);
            row.setBindAccount(bindAccount);

            if (!StringUtils.hasLength(invitationCode)) {
                errors.add(messageSource.getMessage(I18nKeyConstant.INVITATION_IMPORT_CODE_EMPTY, new Object[]{rowNum}, I18nKeyConstant.INVITATION_IMPORT_CODE_EMPTY, LocaleContextHolder.getLocale()));
            } else {
                if (containsChinese(invitationCode)) {
                    errors.add(messageSource.getMessage(I18nKeyConstant.INVITATION_IMPORT_CODE_CONTAINS_CHINESE, new Object[]{rowNum, bindAccount}, I18nKeyConstant.INVITATION_IMPORT_CODE_CONTAINS_CHINESE, LocaleContextHolder.getLocale()));
                }
                importCodes.add(invitationCode);
            }

            if (!StringUtils.hasLength(bindAccount)) {
                errors.add(messageSource.getMessage(I18nKeyConstant.INVITATION_IMPORT_ACCOUNT_EMPTY, new Object[]{rowNum}, I18nKeyConstant.INVITATION_IMPORT_ACCOUNT_EMPTY, LocaleContextHolder.getLocale()));
            } else if (!PhoneUtil.isMobile(bindAccount)) {
                errors.add(messageSource.getMessage(I18nKeyConstant.INVITATION_IMPORT_ACCOUNT_INVALID, new Object[]{rowNum, bindAccount}, I18nKeyConstant.INVITATION_IMPORT_ACCOUNT_INVALID, LocaleContextHolder.getLocale()));
            }

            if (StringUtils.hasLength(row.getBindTime())) {
                row.setBindTime(row.getBindTime().trim());
            }
        }

        Map<String, Long> codeCountMap = invitationCodeImportExcels.stream()
                .map(InvitationCodeImportExcel::getInvitationCode)
                .filter(StringUtils::hasLength)
                .collect(Collectors.groupingBy(code -> code, Collectors.counting()));
        List<String> duplicatedCodes = codeCountMap.entrySet().stream()
                .filter(entry -> entry.getValue() != null && entry.getValue() > 1)
                .map(Map.Entry::getKey)
                .sorted()
                .collect(Collectors.toList());
        if (!duplicatedCodes.isEmpty()) {
            errors.add(messageSource.getMessage(I18nKeyConstant.INVITATION_IMPORT_CODE_DUPLICATE, new Object[]{String.join(",", duplicatedCodes)}, I18nKeyConstant.INVITATION_IMPORT_CODE_DUPLICATE, LocaleContextHolder.getLocale()));
        }

        if (!importCodes.isEmpty()) {
            List<XpInvitationCode> existsList = xpInvitationCodeService.lambdaQuery()
                    .in(XpInvitationCode::getInvitationCode, importCodes)
                    .list();
            if (!CollectionUtils.isEmpty(existsList)) {
                List<String> existsCodes = existsList.stream()
                        .map(XpInvitationCode::getInvitationCode)
                        .filter(StringUtils::hasLength)
                        .distinct()
                        .sorted()
                        .collect(Collectors.toList());
                if (!existsCodes.isEmpty()) {
                    errors.add(messageSource.getMessage(I18nKeyConstant.INVITATION_IMPORT_CODE_EXISTS, new Object[]{String.join(",", existsCodes)}, I18nKeyConstant.INVITATION_IMPORT_CODE_EXISTS, LocaleContextHolder.getLocale()));
                }
            }
        }

        if (!errors.isEmpty()) {
            return R.fail(messageSource.getMessage(I18nKeyConstant.INVITATION_IMPORT_VALIDATE_FAIL, new Object[]{String.join("\n", errors)}, I18nKeyConstant.INVITATION_IMPORT_VALIDATE_FAIL, LocaleContextHolder.getLocale()));
        }

        List<XpInvitationCode> addList = new ArrayList<>();
        List<XpWhitelist> addWhitelistList = new ArrayList<>();

        for (InvitationCodeImportExcel locationExcel : invitationCodeImportExcels) {
            locationExcel.setBindTime(locationExcel.getBindTime());
            XpInvitationCode xpInvitationCode = new XpInvitationCode();
            xpInvitationCode.setInvitationCode(locationExcel.getInvitationCode());
            xpInvitationCode.setBindAccount(locationExcel.getBindAccount());
            if (StringUtils.hasLength(locationExcel.getBindTime())) {
                String replace = locationExcel.getBindTime().replace(".", "-");
                String res = replace.replace("/", "-");
                locationExcel.setBindTime(res);
            }

            xpInvitationCode.setBindTime(DateUtils.stringToLocalDateTime(locationExcel.getBindTime()));
            xpInvitationCode.setStatus(2);
            XpWhitelist xpWhitelist = new XpWhitelist();
            xpWhitelist.setAccount(locationExcel.getBindAccount());
            xpWhitelist.setStatus(true);
            xpWhitelist.setIsPriorityDispatch(false);
            xpWhitelist.setWhitelistSource(2);
            addWhitelistList.add(xpWhitelist);
            addList.add(xpInvitationCode);
        }
        xpInvitationCodeService.saveBatch(addList);
        xpWhitelistService.saveBatch(addWhitelistList);
        return R.ok();
    }

    private static String trimToNull(String value) {
        if (!StringUtils.hasLength(value)) {
            return null;
        }
        String trimmed = value.trim();
        return StringUtils.hasLength(trimmed) ? trimmed : null;
    }

    private static boolean containsChinese(String value) {
        if (!StringUtils.hasLength(value)) {
            return false;
        }
        return CHINESE_PATTERN.matcher(value).find();
    }

    @ApiOperation(value = "邀请码导出")
    @PostMapping(value = "/api/v1/invitation/exportExcel")
    public void exportExcel(@RequestBody InvitationPageListQuery query) {
        List<XpInvitationCode> list = xpInvitationCodeService.exportList(query);
        List<XpInvitationCodeExportExcel> xpWhitelistExportExcels = new ArrayList<>();
        for (XpInvitationCode xpInvitationCode : list) {
            XpInvitationCodeExportExcel xpWhitelistExportExcel = new XpInvitationCodeExportExcel();
//            xpWhitelistExportExcel.setId(xpInvitationCode.getId());
            xpWhitelistExportExcel.setBind_account(xpInvitationCode.getBindAccount());
            xpWhitelistExportExcel.setInvitationCode(xpInvitationCode.getInvitationCode());
            LocalDateTime createTime = xpInvitationCode.getCreateTime();
            LocalDateTime bindTime = xpInvitationCode.getBindTime();
            // 将LocalDateTime转化为yyyy-MM-dd HH:mm:ss格式字符串
            xpWhitelistExportExcel.setCreateTime(createTime.format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")));
            xpWhitelistExportExcel.setBindTime(bindTime.format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")));
            xpWhitelistExportExcels.add(xpWhitelistExportExcel);
        }
        //1.获取excel模板
        Workbook workbook = ExcelExportUtil.exportExcel(new ExportParams(), XpInvitationCodeExportExcel.class, xpWhitelistExportExcels);
        HttpServletResponse response = WebUtils.response();
        response.setContentType("application/vnd.ms-excel");
        response.setCharacterEncoding("utf-8");
        ServletOutputStream outputStream = null;
        try {
            String fileName = URLEncoder.encode("邀请码列表.xls", "utf-8");
            response.setHeader("Content-dispodition", "attachment;filename=" + fileName);
            outputStream = response.getOutputStream();
            workbook.write(outputStream);
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            try {
                outputStream.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }

    }

    /**
     * 批量删除
     */
    @GetMapping("/api/v1/invitation/deleteByIds")
    @ResponseBody
    @ApiOperation(value = "批量删除")
    public R deleteByIds(String ids) {
        // 再转化为Long类型
        List<Long> longs = Arrays.stream(ids.split(",")).map(Long::parseLong).collect(Collectors.toList());
        xpInvitationCodeService.removeBatchByIds(longs);
        return R.ok();
    }

    @ApiOperation(value = "校验生成邀请码的手机号是否合法")
    @GetMapping("/api/v1/invitation/validateCode")
    public R<List<String>> validateCode(@RequestParam String phone) {
        List<String> phoneList = Arrays.asList(phone.split(","));
        List<String> existPhones = phoneList.stream().filter(item -> xpInvitationCodeService.lambdaQuery()
                .in(XpInvitationCode::getBindAccount, item)
                .count() > 0).collect(Collectors.toList());
        return R.ok(existPhones);
    }
}