package com.ruoyi.web.controller.system;

import java.util.ArrayList;
import java.util.List;

import io.swagger.v3.oas.annotations.Hidden;
import jakarta.servlet.http.HttpServletResponse;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;
import com.ruoyi.common.annotation.Log;
import com.ruoyi.common.core.controller.BaseController;
import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.common.core.domain.entity.SysDictType;
import com.ruoyi.common.core.page.TableDataInfo;
import com.ruoyi.common.enums.BusinessType;
import com.ruoyi.common.utils.poi.ExcelUtil;
import com.ruoyi.system.service.ISysDictTypeService;

/**
 * 数据字典信息
 * 
 * @author ruoyi
 */
@RestController
@RequestMapping("/system/dict/type")
@Hidden
public class SysDictTypeController extends BaseController
{
    @Autowired
    private ISysDictTypeService dictTypeService;

    @PreAuthorize("@ss.hasPermi('system:dict:list')")
    @GetMapping("/list")
    public TableDataInfo list(SysDictType dictType,
                              @RequestParam(value = "pageNum", required = false)Integer pageNum,
                              @RequestParam(value = "pageSize", required = false)Integer pageSize)
    {
        startPage();
        List<SysDictType> list = dictTypeService.selectDictTypeList(dictType);
//        return getDataTable(list);
        return paginate(list,pageNum,pageSize);
    }

    @Log(title = "字典类型", businessType = BusinessType.EXPORT)
    @PreAuthorize("@ss.hasPermi('system:dict:export')")
    @PostMapping("/export")
    public void export(HttpServletResponse response, SysDictType dictType)
    {
        List<SysDictType> list = dictTypeService.selectDictTypeList(dictType);
        ExcelUtil<SysDictType> util = new ExcelUtil<SysDictType>(SysDictType.class);
        util.exportExcel(response, list, "字典类型");
    }

    /**
     * 查询字典类型详细
     */
    @PreAuthorize("@ss.hasPermi('system:dict:query')")
    @GetMapping(value = "/{dictId}")
    public AjaxResult getInfo(@PathVariable Long dictId)
    {
        return success(dictTypeService.selectDictTypeById(dictId));
    }

    /**
     * 新增字典类型
     */
    @PreAuthorize("@ss.hasPermi('system:dict:add')")
    @Log(title = "字典类型", businessType = BusinessType.INSERT)
    @PostMapping
    public AjaxResult add(@Validated @RequestBody SysDictType dict)
    {
        if (!dictTypeService.checkDictTypeUnique(dict))
        {
            return error("新增字典'" + dict.getDictName() + "'失败，字典类型已存在");
        }
        dict.setCreateBy(getUsername());
        return toAjax(dictTypeService.insertDictType(dict));
    }

    /**
     * 修改字典类型
     */
    @PreAuthorize("@ss.hasPermi('system:dict:edit')")
    @Log(title = "字典类型", businessType = BusinessType.UPDATE)
    @PutMapping
    public AjaxResult edit(@Validated @RequestBody SysDictType dict)
    {
        if (!dictTypeService.checkDictTypeUnique(dict))
        {
            return error("修改字典'" + dict.getDictName() + "'失败，字典类型已存在");
        }
        dict.setUpdateBy(getUsername());
        return toAjax(dictTypeService.updateDictType(dict));
    }

    /**
     * 删除字典类型
     */
    @PreAuthorize("@ss.hasPermi('system:dict:remove')")
    @Log(title = "字典类型", businessType = BusinessType.DELETE)
    @DeleteMapping("/{dictIds}")
    public AjaxResult remove(@PathVariable Long[] dictIds)
    {
        dictTypeService.deleteDictTypeByIds(dictIds);
        return success();
    }

    /**
     * 刷新字典缓存
     */
    @PreAuthorize("@ss.hasPermi('system:dict:remove')")
    @Log(title = "字典类型", businessType = BusinessType.CLEAN)
    @DeleteMapping("/refreshCache")
    public AjaxResult refreshCache()
    {
        dictTypeService.resetDictCache();
        return success();
    }

    /**
     * 获取字典选择框列表
     */
    @GetMapping("/optionselect")
    public AjaxResult optionselect()
    {
        List<SysDictType> dictTypes = dictTypeService.selectDictTypeAll();
        return success(dictTypes);
    }

    //对列表进行分页
    private TableDataInfo paginate(List list, int pageNum, int pageSize) {
        if (list == null || list.isEmpty()) {
            return new TableDataInfo(new ArrayList<>(), 0);
        }
        int total = list.size();
        int formIndex = (pageNum - 1) * pageSize;
        int toIndex = Math.min(formIndex + pageSize, total);
        if (formIndex >= total) {
            return new TableDataInfo(new ArrayList<>(), total);
        }
        List subList = list.subList(formIndex, toIndex);
        return new TableDataInfo(subList, total);
    }
}