package com.muyu.system.controller;

import com.muyu.common.core.constant.UserConstants;
import com.muyu.common.core.utils.StringUtils;
import com.muyu.common.core.web.controller.BaseController;
import com.muyu.common.core.domain.Result;
import com.muyu.common.log.annotation.Log;
import com.muyu.common.log.enums.BusinessType;
import com.muyu.common.security.annotation.RequiresPermissions;
import com.muyu.common.security.utils.SecurityUtils;
import com.muyu.common.system.domain.SysDept;
import com.muyu.system.service.SysDeptService;
import org.apache.commons.lang3.ArrayUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * 部门信息
 *
 * @author muyu
 */
@RestController
@RequestMapping("/dept")
public class SysDeptController extends BaseController {

    @Autowired
    private SysDeptService deptService;

    /**
     * 获取部门列表
     */
    @RequiresPermissions("system:dept:list")
    @GetMapping("/list")
    public Result list (SysDept dept) {
        List<SysDept> depts = deptService.selectDeptList(dept);
        return success(depts);
    }

    /**
     * 查询部门列表（排除节点）
     */
    @RequiresPermissions("system:dept:list")
    @GetMapping("/list/exclude/{deptId}")
    public Result excludeChild (@PathVariable(value = "deptId", required = false) Long deptId) {
        List<SysDept> depts = deptService.selectDeptList(new SysDept());
        depts.removeIf(d -> d.getDeptId().intValue() == deptId || ArrayUtils.contains(StringUtils.split(d.getAncestors(), ","), deptId + ""));
        return success(depts);
    }

    /**
     * 根据部门编号获取详细信息
     */
    @RequiresPermissions("system:dept:query")
    @GetMapping(value = "/{deptId}")
    public Result getInfo (@PathVariable("deptId") Long deptId) {
        deptService.checkDeptDataScope(deptId);
        return success(deptService.selectDeptById(deptId));
    }

    /**
     * 新增部门
     */
    @RequiresPermissions("system:dept:add")
    @Log(title = "部门管理", businessType = BusinessType.INSERT)
    @PostMapping
    public Result add (@Validated @RequestBody SysDept dept) {
        if (!deptService.checkDeptNameUnique(dept)) {
            return error("新增部门'" + dept.getDeptName() + "'失败，部门名称已存在");
        }
        dept.setCreateBy(SecurityUtils.getUsername());
        return toAjax(deptService.insertDept(dept));
    }

    /**
     * 修改部门
     */
    @RequiresPermissions("system:dept:edit")
    @Log(title = "部门管理", businessType = BusinessType.UPDATE)
    @PutMapping
    public Result edit (@Validated @RequestBody SysDept dept) {
        Long deptId = dept.getDeptId();
        deptService.checkDeptDataScope(deptId);
        if (!deptService.checkDeptNameUnique(dept)) {
            return error("修改部门'" + dept.getDeptName() + "'失败，部门名称已存在");
        } else if (dept.getParentId().equals(deptId)) {
            return error("修改部门'" + dept.getDeptName() + "'失败，上级部门不能是自己");
        } else if (StringUtils.equals(UserConstants.DEPT_DISABLE, dept.getStatus()) && deptService.selectNormalChildrenDeptById(deptId) > 0) {
            return error("该部门包含未停用的子部门！");
        }
        dept.setUpdateBy(SecurityUtils.getUsername());
        return toAjax(deptService.updateDept(dept));
    }

    /**
     * 删除部门
     */
    @RequiresPermissions("system:dept:remove")
    @Log(title = "部门管理", businessType = BusinessType.DELETE)
    @DeleteMapping("/{deptId}")
    public Result remove (@PathVariable("deptId") Long deptId) {
        if (deptService.hasChildByDeptId(deptId)) {
            return warn("存在下级部门,不允许删除");
        }
        if (deptService.checkDeptExistUser(deptId)) {
            return warn("部门存在用户,不允许删除");
        }
        deptService.checkDeptDataScope(deptId);
        return toAjax(deptService.deleteDeptById(deptId));
    }
}