package com.vincent.rsf.server.manager.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.vincent.rsf.common.utils.Utils;
import com.vincent.rsf.framework.common.Cools;
import com.vincent.rsf.framework.common.R;
import com.vincent.rsf.server.common.utils.ExcelUtil;
import com.vincent.rsf.server.common.annotation.OperationLog;
import com.vincent.rsf.server.common.domain.BaseParam;
import com.vincent.rsf.server.common.domain.KeyValVo;
import com.vincent.rsf.server.common.domain.PageParam;
import com.vincent.rsf.server.common.utils.NodeUtils;
import com.vincent.rsf.server.manager.entity.MenuPda;
import com.vincent.rsf.server.manager.service.MenuPdaService;
import com.vincent.rsf.server.system.controller.BaseController;
import com.vincent.rsf.server.system.entity.Menu;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletResponse;
import java.util.*;

@RestController
public class MenuPdaController extends BaseController {

    @Autowired
    private MenuPdaService menuPdaService;

    @PreAuthorize("hasAuthority('manager:menuPda:list')")
    @PostMapping("/menuPda/page")
    public R page(@RequestBody Map<String, Object> map) {
        BaseParam baseParam = buildParam(map, BaseParam.class);
        PageParam<MenuPda, BaseParam> pageParam = new PageParam<>(baseParam, MenuPda.class);
        return R.ok().add(menuPdaService.page(pageParam, pageParam.buildWrapper(true)));
    }

    @PreAuthorize("hasAuthority('manager:menuPda:list')")
    @PostMapping("/menuPda/list")
    public R list(@RequestBody Map<String, Object> map) {
        return R.ok().add(menuPdaService.list());
    }

    @PreAuthorize("hasAuthority('manager:menuPda:list')")
    @PostMapping({ "/menuPda/many/{ids}", "/menuPdas/many/{ids}" })
    public R many(@PathVariable Long[] ids) {
        return R.ok().add(menuPdaService.listByIds(Arrays.asList(ids)));
    }

    @PreAuthorize("hasAuthority('manager:menuPda:list')")
    @GetMapping("/menuPda/{id}")
    public R get(@PathVariable("id") Long id) {
        return R.ok().add(menuPdaService.getById(id));
    }

    // @PreAuthorize("hasAuthority('system:menu:list')")
    @PostMapping("/menuPda/tree")
    public R tree(@RequestBody Map<String, Object> map) {
        // PageParam<Menu, BaseParam> param = new PageParam<>(buildParam(map,
        // BaseParam.class), Menu.class);
        // QueryWrapper<Menu> wrapper = param.buildWrapper(true, queryWrapper ->
        // queryWrapper.orderByAsc("sort"));
        // List<Menu> menus = menuService.list(wrapper);
        // return R.ok().add(Utils.toTreeData(menus, 0L, Menu::getParentId, Menu::getId,
        // Menu::setChildren));
        List<MenuPda> menuList = menuPdaService.list(new LambdaQueryWrapper<MenuPda>().orderByAsc(MenuPda::getSort));
        List<MenuPda> treeData = Utils.toTreeData(menuList, 0L, MenuPda::getParentId, MenuPda::getId,
                MenuPda::setChildren);
        if (!Cools.isEmpty(map.get("condition"))) {
            Utils.treeRemove(treeData, String.valueOf(map.get("condition")), MenuPda::getName, MenuPda::getChildren);
            Utils.treeRemove(treeData, String.valueOf(map.get("condition")), MenuPda::getName, MenuPda::getChildren);
        }
        return R.ok().add(treeData);
    }

    @PreAuthorize("hasAuthority('system:menu:save')")
    @OperationLog("Save Menu")
    @PostMapping("/menuPda/save")
    public R save(@RequestBody MenuPda menu) {
        MenuPda parent = null;
        if (menu.getParentId() != null && menu.getParentId() > 0) {
            parent = menuPdaService.getById(menu.getParentId());
            if (parent != null) {
                menu.setParentName(parent.getName());
            }
        } else {
            menu.setParentId(0L);
        }

        NodeUtils nodeUtils = new NodeUtils();
        nodeUtils.generatePath0(item -> menuPdaService.getById(item.getParentId()), menu, MenuPda::getId,
                MenuPda::getName, MenuPda::getParentId);
        menu.setPath(nodeUtils.path.toString());
        menu.setPathName(nodeUtils.pathName.toString());

        menu.setCreateBy(getLoginUserId());
        menu.setCreateTime(new Date());
        menu.setUpdateBy(getLoginUserId());
        menu.setUpdateTime(new Date());
        if (!menuPdaService.save(menu)) {
            return R.error("Save Fail");
        }

        // 如果是第二级菜单（parent的parentId为0，且当前菜单是菜单类型），自动创建reset和submit按钮
        if (parent != null && parent.getParentId() != null && parent.getParentId() == 0L
                && (menu.getType() == null || menu.getType() == MenuPda.TYPE_MENU)) {
            createButtonForMenu(menu, "reset", "重置", 1);
            createButtonForMenu(menu, "submit", "提交", 2);
        }

        return R.ok("Save Success").add(menu);
    }

    /**
     * 为菜单创建按钮
     */
    private void createButtonForMenu(MenuPda parentMenu, String code, String name, int sort) {
        MenuPda button = new MenuPda();
        button.setName(name);
        button.setParentId(parentMenu.getId());
        button.setParentName(parentMenu.getName());
        button.setRoute(code);
        button.setType(MenuPda.TYPE_BTN);
        button.setSort(sort);
        button.setStatus(1);
        button.setDeleted(0);
        button.setTenantId(parentMenu.getTenantId());

        // 生成路径
        NodeUtils nodeUtils = new NodeUtils();
        nodeUtils.generatePath0(item -> menuPdaService.getById(item.getParentId()), button, MenuPda::getId,
                MenuPda::getName, MenuPda::getParentId);
        button.setPath(nodeUtils.path.toString());
        button.setPathName(nodeUtils.pathName.toString());

        button.setCreateBy(getLoginUserId());
        button.setCreateTime(new Date());
        button.setUpdateBy(getLoginUserId());
        button.setUpdateTime(new Date());

        menuPdaService.save(button);
    }

    @PreAuthorize("hasAuthority('system:menu:update')")
    @OperationLog("Update Menu")
    @PostMapping("/menuPda/update")
    public R update(@RequestBody MenuPda menu) {
        if (menu.getParentId() != null && menu.getParentId() > 0) {
            MenuPda parent = menuPdaService.getById(menu.getParentId());
            if (parent != null) {
                menu.setParentName(parent.getName());
            }
        } else {
            menu.setParentId(0L);
        }

        NodeUtils nodeUtils = new NodeUtils();
        nodeUtils.generatePath0(item -> menuPdaService.getById(item.getParentId()), menu, MenuPda::getId,
                MenuPda::getName, MenuPda::getParentId);
        menu.setPath(nodeUtils.path.toString());
        menu.setPathName(nodeUtils.pathName.toString());

        menu.setUpdateBy(getLoginUserId());
        menu.setUpdateTime(new Date());
        if (!menuPdaService.updateById(menu)) {
            return R.error("Update Fail");
        }
        return R.ok("Update Success").add(menu);
    }

    @PreAuthorize("hasAuthority('manager:menuPda:remove')")
    @OperationLog("Delete PDA权限")
    @PostMapping("/menuPda/remove/{ids}")
    public R remove(@PathVariable Long[] ids) {
        if (!menuPdaService.removeByIds(Arrays.asList(ids))) {
            return R.error("Delete Fail");
        }
        return R.ok("Delete Success").add(ids);
    }

    @PreAuthorize("hasAuthority('manager:menuPda:list')")
    @PostMapping("/menuPda/query")
    public R query(@RequestParam(required = false) String condition) {
        List<KeyValVo> vos = new ArrayList<>();
        LambdaQueryWrapper<MenuPda> wrapper = new LambdaQueryWrapper<>();
        if (!Cools.isEmpty(condition)) {
            wrapper.like(MenuPda::getName, condition);
        }
        menuPdaService.page(new Page<>(1, 30), wrapper).getRecords().forEach(
                item -> vos.add(new KeyValVo(item.getId(), item.getName())));
        return R.ok().add(vos);
    }

    @PreAuthorize("hasAuthority('manager:menuPda:list')")
    @PostMapping("/menuPda/export")
    public void export(@RequestBody Map<String, Object> map, HttpServletResponse response) throws Exception {
        ExcelUtil.build(ExcelUtil.create(menuPdaService.list(), MenuPda.class), response);
    }

}