package com.yunhai.userbase.controller.api;

import com.yunhai.platform.utils.exception.DException;
import com.yunhai.platform.utils.exception.ErrorCode;
import com.yunhai.userbase.common.annotation.OperationLog;
import com.yunhai.userbase.common.validation.ValidationGroups;
import com.yunhai.userbase.config.Config;
import com.yunhai.userbase.model.BasePageQuery;
import com.yunhai.userbase.model.BasePageResult;
import com.yunhai.userbase.model.sysuser.BatchChangeStatusRequest;
import com.yunhai.userbase.model.sysuser.BatchDeleteRequest;
import com.yunhai.userbase.model.sysuser.BatchImportResult;
import com.yunhai.userbase.model.sysuser.ChangeGroupsRequest;
import com.yunhai.userbase.model.sysuser.ChangeSortNoRequest;
import com.yunhai.userbase.model.sysuser.SysUserQuery;
import com.yunhai.userbase.model.sysuser.SysUserRequest;
import com.yunhai.userbase.model.sysuser.SysUserVo;
import com.yunhai.userbase.service.ISysUserService;
import com.yunhai.userbase.utils.PageUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

/**
 * @author chenx
 * @date 2026/7/20 16:14
 * @description 组用户管理
 */
@RestController
@RequestMapping(value = Config.API_PATH + "/sysuser/")
public class SysUserController {

    @Autowired
    private ISysUserService sysUserService;

    @OperationLog("新增用户")
    @PostMapping("Add")
    public Integer add(@RequestBody @Validated(ValidationGroups.Create.class) SysUserRequest request) {
        List<String> data=new ArrayList<>();

        return sysUserService.add(request);
    }

    @OperationLog("编辑用户")
    @PostMapping("Edit/{id}")
    public void edit(@PathVariable Integer id, @RequestBody @Validated(ValidationGroups.Update.class) SysUserRequest request) {
        sysUserService.edit(id, request);
    }

    /**
     * 将用户从指定组中移除；若该用户无其它组关联则级联删除用户。
     */
    @OperationLog("从组中删除用户")
    @PostMapping("DeleteFromGroup/{userId}/{groupId}")
    public void deleteFromGroup(@PathVariable Integer userId, @PathVariable Integer groupId) {
        sysUserService.deleteFromGroup(userId, groupId);
    }

    /**
     * 批量从指定组中移除用户；无其它组关联者级联删除用户。
     */
    @OperationLog("批量从组中删除用户")
    @PostMapping("BatchDelete")
    public void batchDelete(@RequestBody @Validated BatchDeleteRequest request) {
        sysUserService.batchDeleteFromGroup(request.getUserIds(), request.getGroupId());
    }

    /** 禁用用户（disabled=true） */
    @OperationLog("禁用用户")
    @PostMapping("Disable/{id}")
    public void disable(@PathVariable Integer id) {
        sysUserService.changeStatus(id, true);
    }

    /** 启用用户（disabled=false） */
    @OperationLog("启用用户")
    @PostMapping("Enable/{id}")
    public void enable(@PathVariable Integer id) {
        sysUserService.changeStatus(id, false);
    }

    /** 批量设置用户状态 */
    @OperationLog("批量设置用户状态")
    @PostMapping("BatchChangeStatus")
    public void batchChangeStatus(@RequestBody @Validated BatchChangeStatusRequest request) {
        sysUserService.batchChangeStatus(request.getUserIds(), request.getDisabled());
    }

    @GetMapping("/List")
    public BasePageResult<SysUserVo> list(SysUserQuery query, BasePageQuery pageQuery) {
        // 排序字段在关联表，无法走 Pageable.sort，统一由 Service.Specification 控制
        // （根节点按 id 升序，具体组按组内 sort_no 升序）。此处不传 Sort，避免覆盖 Spec 的 orderBy。
        return PageUtils.toResult(sysUserService.list(query, PageUtils.toPageable(pageQuery, null)));
    }

    /** 调整用户在某组内的排序号（sort_no）：1~999，可空表示清除 */
    @OperationLog("设置用户组内排序号")
    @PostMapping("ChangeSortNo/{userId}")
    public void changeSortNo(@PathVariable Integer userId,
                             @RequestBody @Validated ChangeSortNoRequest request) {
        sysUserService.changeSortNo(userId, request.getGroupId(), request.getSortNo());
    }

    @OperationLog("调整组")
    @PostMapping("ChangeGroups")
    public void changeGroups(@RequestBody @Validated ChangeGroupsRequest request) {
        sysUserService.changeGroups(request.getUserIds(), request.getGroupIds());
    }

    @GetMapping("Groups/{userId}")
    public List<Integer> getUserGroups(@PathVariable Integer userId) {
        return sysUserService.findGroupIdsByUserId(userId);
    }

    @OperationLog("批量导入用户")
    @PostMapping("BatchImport")
    public BatchImportResult batchImport(@RequestParam("file") MultipartFile file) {
        return sysUserService.batchImport(file);
    }

    /**
     * 下载用户批量导入模板（真实 .xlsx）：平铺当前组及子孙组，仅填充组名(路径)与组id；其余列留空供填写。
     */
    @GetMapping("DownloadTemplate")
    public void downloadTemplate(@RequestParam(value = "groupId", required = false) Integer groupId,
                                 HttpServletResponse response) throws IOException {
        sysUserService.downloadImportTemplate(groupId, response);
    }

    /**
     * 导出组下所有用户（含子组）为 Excel；与导入模板同构，末尾追加用户id列。
     * 前端直接跳转此地址触发浏览器下载。
     */
    @GetMapping("Export")
    public void export(@RequestParam(value = "groupId", required = false) Integer groupId,
                       @RequestParam(value = "withSub", defaultValue = "1") Integer withSub,
                       @RequestParam(value = "name", required = false) String name,
                       HttpServletResponse response) throws IOException {
        sysUserService.exportUsers(groupId, withSub, name, response);
    }
}