package cn.iocoder.yudao.module.research.controller.admin.fund;

import cn.hutool.core.collection.CollUtil;
import cn.iocoder.yudao.framework.common.pojo.CommonResult;
import cn.iocoder.yudao.framework.common.util.number.NumberUtils;
import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
import cn.iocoder.yudao.module.research.controller.admin.fund.vo.ResearchFundRecordRespVO;
import cn.iocoder.yudao.module.research.controller.admin.fund.vo.ResearchFundRecordSaveReqVO;
import cn.iocoder.yudao.module.research.dal.dataobject.fund.ResearchFundRecordDO;
import cn.iocoder.yudao.module.research.service.fund.ResearchFundRecordService;
import cn.iocoder.yudao.module.research.service.fund.ResearchFundRecordServiceImpl;
import cn.iocoder.yudao.module.system.api.storage.StorageAttachmentApi;
import cn.iocoder.yudao.module.system.api.storage.dto.StorageBlobRespDTO;
import cn.iocoder.yudao.module.system.api.user.AdminUserApi;
import cn.iocoder.yudao.module.system.api.user.dto.AdminUserRespDTO;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import io.swagger.v3.oas.annotations.tags.Tag;
import jakarta.annotation.Resource;
import jakarta.validation.Valid;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;

import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;

import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertSet;
import static cn.iocoder.yudao.framework.common.util.collection.MapUtils.findAndThen;

@Tag(name = "管理后台 - 课题经费拨付")
@RestController
@RequestMapping("/research/fund-record")
@Validated
public class ResearchFundRecordController {

    public static final String FUND_RECORD_TYPE =
            ResearchFundRecordServiceImpl.FUND_RECORD_TYPE;

    @Resource
    private ResearchFundRecordService fundRecordService;

    @Resource
    private AdminUserApi adminUserApi;

    @Resource
    private StorageAttachmentApi storageAttachmentApi;

    @PostMapping("/create")
    @Operation(summary = "登记经费拨付")
    @PreAuthorize("@ss.hasPermission('research:fund:create')")
    public CommonResult<Long> createFundRecord(@Valid @RequestBody ResearchFundRecordSaveReqVO createReqVO) {
        return success(fundRecordService.createFundRecord(createReqVO));
    }

    @PutMapping("/update")
    @Operation(summary = "更新经费拨付")
    @PreAuthorize("@ss.hasPermission('research:fund:update')")
    public CommonResult<Boolean> updateFundRecord(@Valid @RequestBody ResearchFundRecordSaveReqVO updateReqVO) {
        fundRecordService.updateFundRecord(updateReqVO);
        return success(true);
    }

    @DeleteMapping("/delete")
    @Operation(summary = "删除经费拨付")
    @Parameter(name = "id", description = "编号", required = true)
    @PreAuthorize("@ss.hasPermission('research:fund:delete')")
    public CommonResult<Boolean> deleteFundRecord(@RequestParam("id") Long id) {
        fundRecordService.deleteFundRecord(id);
        return success(true);
    }

    @GetMapping("/list")
    @Operation(summary = "获得某课题申报书的经费拨付记录列表")
    @Parameter(name = "applicationId", description = "课题申报书编号", required = true)
    @PreAuthorize("@ss.hasPermission('research:fund:query')")
    public CommonResult<List<ResearchFundRecordRespVO>> getFundRecordList(
            @RequestParam("applicationId") Long applicationId) {
        List<ResearchFundRecordDO> list = fundRecordService.getFundRecordListByApplicationId(applicationId);
        if (CollUtil.isEmpty(list)) {
            return success(Collections.emptyList());
        }

        Set<Long> creatorIds = convertSet(list, record -> NumberUtils.parseLong(record.getCreator()));
        Map<Long, AdminUserRespDTO> creatorMap = adminUserApi.getUserMap(creatorIds);
        Map<Long, List<StorageBlobRespDTO>> attachmentMap = list.stream()
                .collect(Collectors.toMap(ResearchFundRecordDO::getId,
                        r -> storageAttachmentApi.listAttachments(FUND_RECORD_TYPE, r.getId())));

        return success(BeanUtils.toBean(list, ResearchFundRecordRespVO.class, (vo) -> {
            findAndThen(creatorMap, NumberUtils.parseLong(vo.getCreator()),
                    user -> vo.setCreatorName(user.getNickname()));
            List<StorageBlobRespDTO> attachments = attachmentMap.getOrDefault(vo.getId(), Collections.emptyList());
            vo.setAttachmentList(attachments);
            vo.setHasAttachment(CollUtil.isNotEmpty(attachments));
        }));
    }

}