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

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.vincent.rsf.framework.common.Cools;
import com.vincent.rsf.framework.common.R;
import com.vincent.rsf.framework.exception.CoolException;
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.domain.PageResult;
import com.vincent.rsf.server.common.utils.ExcelUtil;
import com.vincent.rsf.server.system.controller.param.ResetPwdParam;
import com.vincent.rsf.server.system.entity.User;
import com.vincent.rsf.server.system.entity.UserRole;
import com.vincent.rsf.server.system.enums.StatusType;
import com.vincent.rsf.server.system.service.UserRoleService;
import com.vincent.rsf.server.system.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.bind.annotation.*;

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

@RestController
public class UserController extends BaseController {

    public static final String COMMON_PASSWORD = "123456";

    @Autowired
    private UserService userService;
    @Autowired
    private UserRoleService userRoleService;

    @PreAuthorize("hasAuthority('system:user:list')")
    @PostMapping("/user/page")
    public R page(@RequestBody Map<String, Object> map) {
        BaseParam baseParam = buildParam(map, BaseParam.class);
        PageParam<User, BaseParam> pageParam = new PageParam<>(baseParam, User.class);
        PageResult<User> pageResult = userService.pageRel(pageParam);
        for (User record : pageResult.getRecords()) {
            record.setRoles(userRoleService.listByUserId(record.getId()));
        }
        return R.ok().add(pageResult);
    }

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

    @PreAuthorize("hasAuthority('system:user:list')")
    @PostMapping({"/user/many/{ids}", "/users/many/{ids}"})
    public R many(@PathVariable Long[] ids) {
        return R.ok().add(userService.listByIds(Arrays.asList(ids)));
    }

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

    @PreAuthorize("hasAuthority('system:user:save')")
    @OperationLog("Save User")
    @PostMapping("/user/save")
    @Transactional
    public R save(@RequestBody User user) {
        if (!Cools.isEmpty(user.getUsername())
                && userService.count(new LambdaQueryWrapper<User>().eq(User::getUsername, user.getUsername())) > 0) {
            return R.error("the username already exist");
        }
        if (!Cools.isEmpty(user.getNickname())
                && userService.count(new LambdaQueryWrapper<User>().eq(User::getNickname, user.getNickname())) > 0) {
            return R.error("the nickname already exist");
        }
        if (!Cools.isEmpty(user.getPhone())
                && userService.count(new LambdaQueryWrapper<User>().eq(User::getPhone, user.getPhone())) > 0) {
            return R.error("the phone already exist");
        }
        if (!Cools.isEmpty(user.getEmail())
                && userService.count(new LambdaQueryWrapper<User>().eq(User::getEmail, user.getEmail())) > 0) {
            return R.error("the email already exist");
        }

        if (Cools.isEmpty(user.getPassword())) {
            user.setPassword(userService.encodePassword(COMMON_PASSWORD));
        }

        Date now = new Date();
        user.setCreateBy(getLoginUserId());
        user.setCreateTime(now);
        user.setUpdateBy(getLoginUserId());
        user.setUpdateTime(now);
        user.setStatus(StatusType.ENABLE.val);
        if (!userService.save(user)) {
            throw new CoolException("Internal Server Error");
        }

        userRoleService.remove(new LambdaQueryWrapper<UserRole>().eq(UserRole::getUserId, user.getId()));
        if (!Cools.isEmpty((Object) user.getRoleIds())) {
            for (Long roleId : user.getRoleIds()) {
                if (!userRoleService.save(new UserRole(user.getId(), roleId))) {
                    throw new CoolException("Internal Server Error");
                }
            }
        }

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

    @PreAuthorize("hasAuthority('system:user:update')")
    @OperationLog("Update User")
    @PostMapping("/user/update")
    @Transactional
    public R update(@RequestBody User user) {
        if (user.getPassword() != null && user.getPassword().equals("")) {
            user.setPassword(null);
        }
        if (!Cools.isEmpty(user.getUsername()) && userService.count(new LambdaQueryWrapper<User>()
                .eq(User::getUsername, user.getUsername())
                .ne(User::getId, user.getId())) > 0) {
            return R.error("the username already exist");
        }
        if (!Cools.isEmpty(user.getNickname()) && userService.count(new LambdaQueryWrapper<User>()
                .eq(User::getNickname, user.getNickname())
                .ne(User::getId, user.getId())) > 0) {
            return R.error("the nickname already exist");
        }
        if (!Cools.isEmpty(user.getPhone()) && userService.count(new LambdaQueryWrapper<User>()
                .eq(User::getPhone, user.getPhone())
                .ne(User::getId, user.getId())) > 0) {
            return R.error("the phone already exist");
        }
        if (!Cools.isEmpty(user.getEmail()) && userService.count(new LambdaQueryWrapper<User>()
                .eq(User::getEmail, user.getEmail())
                .ne(User::getId, user.getId())) > 0) {
            return R.error("the email already exist");
        }

        if (!Cools.isEmpty(user.getPassword())) {
            user.setPassword(userService.encodePassword(user.getPassword()));
        }

        user.setUpdateBy(getLoginUserId());
        user.setUpdateTime(new Date());

        if (!userService.updateById(user)) {
            throw new CoolException("Internal Server Error");
        }

        if (user.getRoleIds() != null && user.getRoleIds().length > 0) {
            userRoleService.remove(new LambdaQueryWrapper<UserRole>().eq(UserRole::getUserId, user.getId()));
            for (Long roleId : user.getRoleIds()) {
                if (!userRoleService.save(new UserRole(user.getId(), roleId))) {
                    throw new CoolException("Internal Server Error");
                }
            }
        }

        return R.ok("Update Success").add(user);
    }

    @PreAuthorize("hasAuthority('system:user:remove')")
    @OperationLog("Remove User")
    @PostMapping("/user/remove/{ids}")
    @Transactional
    public R remove(@PathVariable Long[] ids) {
        for (Long userId : ids) {
            if (!userService.removeById(userId)) {
                throw new CoolException("Internal Server Error");
            }
            userRoleService.remove(new LambdaQueryWrapper<UserRole>().eq(UserRole::getUserId, userId));
        }
        return R.ok("Delete Success").add(ids);
    }

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

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

    @PreAuthorize("hasAuthority('system:user:update')")
    @OperationLog("Reset Password")
    @PostMapping("/user/reset/pwd")
    public R resetPwd(@RequestBody ResetPwdParam param) {
        User user = userService.getById(param.getId());
        if (!Cools.isEmpty(param.getOldPwd())) {
            if (!userService.comparePassword(user.getPassword(), param.getOldPwd())) {
                return R.error("The old password is incorrect");
            }
        }
        if (!Cools.isEmpty(param.getPassword())) {
            user.setPassword(userService.encodePassword(param.getPassword()));
        }
        user.setUpdateBy(getLoginUserId());
        user.setUpdateTime(new Date());
        if (!userService.updateById(user)) {
            return R.error("Reset Fail");
        }
        return R.ok("Reset Success");
    }

}