package com.changhu.controller;

import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.lang.Dict;
import cn.hutool.core.util.ClassUtil;
import cn.hutool.core.util.ObjectUtil;
import cn.hutool.core.util.ReflectUtil;
import com.changhu.common.annotation.IsExtData;
import com.changhu.common.annotation.JsonBody;
import com.changhu.common.db.BaseEnum;
import com.changhu.common.pojo.model.JsonResult;
import com.changhu.common.pojo.vo.SelectNodeVo;
import com.changhu.common.pojo.vo.TreeNodeVo;
import com.changhu.pojo.params.PoliceUnitRegisterParams;
import com.changhu.pojo.params.SecurityUnitRegisterParams;
import com.changhu.service.AdministrativeDivisionService;
import com.changhu.service.CommonService;
import com.changhu.support.minio.service.MinioService;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.media.Schema;
import io.swagger.v3.oas.annotations.tags.Tag;
import jakarta.annotation.PostConstruct;
import jakarta.validation.Valid;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.web.bind.annotation.*;

import java.lang.reflect.Field;
import java.util.*;
import java.util.stream.Collectors;
import java.util.stream.Stream;

/**
 * @author 20252
 * @createTime 2024/8/30 下午2:16
 * @desc CommonController...
 */
@Tag(name = "公共接口")
@RequestMapping("/common")
@JsonBody
public class CommonController {

    @Autowired
    private CommonService commonService;

    @Autowired
    private MinioService minioService;

    @Autowired
    private AdministrativeDivisionService administrativeDivisionService;

    private static final Map<String, List<SelectNodeVo<?>>> enumsResult = new HashMap<>();


    @Cacheable(value = "common", key = "'AdministrativeDivisionLevel' + #level + 'Tree'")
    @Operation(summary = "行政区划树")
    @GetMapping("/administrativeDivisionTree")
    public List<TreeNodeVo<String>> AdministrativeDivisionTree(@Schema(description = "等级") @RequestParam(defaultValue = "4") Integer level) {
        return administrativeDivisionService.tree(level);
    }

    @Operation(summary = "保安单位注册")
    @PostMapping("/securityUnitRegister")
    public JsonResult<Void> securityUnitRegister(@RequestBody @Valid SecurityUnitRegisterParams params) {
        return commonService.securityUnitRegister(params);
    }

    @Operation(summary = "公安单位注册")
    @PostMapping("/policeUnitRegister")
    public JsonResult<Void> policeUnitRegister(@RequestBody @Valid PoliceUnitRegisterParams params) {
        return commonService.policeUnitRegister(params);
    }

    @Operation(summary = "获取临时上传地址")
    @GetMapping("/getResignedObjectUrl")
    public String getResignedObjectUrl(@RequestParam @Schema(description = "bucketName") String bucketName,
                                       @RequestParam @Schema(description = "对象地址") String objectName) {
        return minioService.getResignedObjectUrl(bucketName, objectName);
    }

    @GetMapping("/enums")
    public Map<String, List<SelectNodeVo<?>>> enums() {
        return enumsResult;
    }

    @SuppressWarnings("unchecked")
    @PostConstruct
    public void initEnums() {
        Set<Class<?>> classes = ClassUtil.scanPackageBySuper("com.changhu.common.db.enums", BaseEnum.class);
        for (Class<?> aClass : classes) {
            if (BaseEnum.class.isAssignableFrom(aClass)) {
                enumsResult.put(aClass.getSimpleName(), listSelectNodes((Class<? extends BaseEnum<?>>) aClass));
            }
        }
    }

    public static <T extends BaseEnum<?>> List<SelectNodeVo<?>> listSelectNodes(Class<T> enumType) {
        if (enumType == null) {
            return null;
        }
        Field[] fields = ReflectUtil.getFields(enumType);

        List<String> extras = new ArrayList<>();

        for (Field field : fields) {
            IsExtData annotation = field.getAnnotation(IsExtData.class);
            if (ObjectUtil.isNotNull(annotation)) {
                extras.add(field.getName());
            }
        }

        T[] enumConstants = enumType.getEnumConstants();
        if (enumConstants == null) {
            return null;
        }

        return Stream.of(enumConstants).map(v -> {
            SelectNodeVo<Object> vo = new SelectNodeVo<>();
            vo.setValue(v.getValue());
            vo.setLabel(v.getLabel());
            if (CollUtil.isNotEmpty(extras)) {
                Dict map = Dict.create();
                for (String extra : extras) {
                    map.put(extra, ReflectUtil.getFieldValue(v, extra));
                }
                vo.setExtData(map);
            }
            return vo;
        }).collect(Collectors.toList());

    }
}