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.common.SnowflakeIdWorker;
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.ExcelUtil;
import com.vincent.rsf.server.system.entity.Config;
import com.vincent.rsf.server.system.service.ConfigService;
import com.vincent.rsf.server.system.service.impl.ConfigServiceImpl;
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
@RequestMapping("")
public class ConfigController extends BaseController {

    @Autowired
    private ConfigService configService;
    @Autowired
    private SnowflakeIdWorker snowflakeIdWorker;

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

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

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

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

    @PreAuthorize("hasAuthority('system:config:save')")
    @OperationLog("Create Config")
    @PostMapping("/config/save")
    public R save(@RequestBody Config config) {
        if (!Cools.isEmpty(config.getFlag())
                && 0 < configService.count(new LambdaQueryWrapper<Config>().eq(Config::getFlag, config.getFlag()))) {
            return R.error("failed to save config, because the " + config.getFlag() + " flag already exist");
        }
        config.setUuid(String.valueOf(snowflakeIdWorker.nextId()).substring(3));
        config.setCreateBy(getLoginUserId());
        config.setCreateTime(new Date());
        config.setUpdateBy(getLoginUserId());
        config.setUpdateTime(new Date());
        if (!configService.save(config)) {
            return R.error("Save Fail");
        } else {
            ConfigServiceImpl.CONFIG_CACHE.put(config.getFlag(), config);
        }
        return R.ok("Save Success").add(config);
    }

    @PreAuthorize("hasAuthority('system:config:update')")
    @OperationLog("Update Config")
    @PostMapping("/config/update")
    public R update(@RequestBody Config config) {
        if (!Cools.isEmpty(config.getFlag()) && configService.count(new LambdaQueryWrapper<Config>()
                .eq(Config::getFlag, config.getFlag())
                .ne(Config::getId, config.getId())) > 0) {
            return R.error("the flag already exist");
        }
        config.setUpdateBy(getLoginUserId());
        config.setUpdateTime(new Date());
        if (!configService.updateById(config)) {
            return R.error("Update Fail");
        } else {
            ConfigServiceImpl.CONFIG_CACHE.put(config.getFlag(), config);
        }
        return R.ok("Update Success").add(config);
    }

    @PreAuthorize("hasAuthority('system:config:remove')")
    @OperationLog("Delete Config")
    @PostMapping("/config/remove/{ids}")
    public R remove(@PathVariable Long[] ids) {
        List<String> flagList = new ArrayList<>();
        for (Long id : ids) {
            Config config = configService.getById(id);
            flagList.add(config.getFlag());
        }
        if (!configService.removeByIds(Arrays.asList(ids))) {
            return R.error("Delete Fail");
        } else {
            for (String flag : flagList) {
                ConfigServiceImpl.CONFIG_CACHE.remove(flag);
            }
        }
        return R.ok("Delete Success").add(ids);
    }

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

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

}