package cn.iocoder.yudao.module.erp.controller.admin.finance;

import cn.hutool.core.collection.CollUtil;
import cn.iocoder.yudao.framework.apilog.core.annotation.ApiAccessLog;
import cn.iocoder.yudao.framework.common.pojo.CommonResult;
import cn.iocoder.yudao.framework.common.pojo.PageParam;
import cn.iocoder.yudao.framework.common.pojo.PageResult;
import cn.iocoder.yudao.framework.common.util.collection.MapUtils;
import cn.iocoder.yudao.framework.common.util.number.NumberUtils;
import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
import cn.iocoder.yudao.framework.excel.core.util.ExcelUtils;
import cn.iocoder.yudao.module.erp.controller.admin.finance.vo.payment.ErpFinancePaymentPageReqVO;
import cn.iocoder.yudao.module.erp.controller.admin.finance.vo.payment.ErpFinancePaymentRespVO;
import cn.iocoder.yudao.module.erp.controller.admin.finance.vo.payment.ErpFinancePaymentSaveReqVO;
import cn.iocoder.yudao.module.erp.controller.admin.purchase.vo.invoice.ErpPurchaseInvoiceRespVO;
import cn.iocoder.yudao.module.erp.dal.dataobject.finance.ErpAccountDO;
import cn.iocoder.yudao.module.erp.dal.dataobject.finance.ErpFinancePaymentDO;
import cn.iocoder.yudao.module.erp.dal.dataobject.finance.ErpFinancePaymentItemDO;
import cn.iocoder.yudao.module.erp.dal.dataobject.purchase.ErpPurchaseInvoiceDO;
import cn.iocoder.yudao.module.srm.api.supplier.SrmSupplierApi;
import cn.iocoder.yudao.module.srm.api.supplier.dto.SrmSupplierRespDTO;
import cn.iocoder.yudao.module.erp.service.finance.ErpAccountService;
import cn.iocoder.yudao.module.erp.service.finance.ErpFinancePaymentService;
import cn.iocoder.yudao.module.erp.service.purchase.ErpPurchaseInvoiceService;
import cn.iocoder.yudao.module.system.api.storage.StorageAttachmentApi;
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.servlet.http.HttpServletResponse;
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.io.IOException;
import java.util.List;
import java.util.Map;
import java.util.stream.Stream;

import static cn.iocoder.yudao.framework.apilog.core.enums.OperateTypeEnum.EXPORT;
import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.*;
import static cn.iocoder.yudao.framework.security.core.util.SecurityFrameworkUtils.getLoginUserId;

@Tag(name = "管理后台 - ERP 付款单")
@RestController
@RequestMapping("/erp/finance-payment")
@Validated
public class ErpFinancePaymentController {

    @Resource
    private ErpFinancePaymentService financePaymentService;
    @Resource
    private SrmSupplierApi srmSupplierApi;
    @Resource
    private ErpAccountService accountService;
    @Resource
    private ErpPurchaseInvoiceService invoiceService;

    @Resource
    private AdminUserApi adminUserApi;
    @Resource
    private StorageAttachmentApi storageAttachmentApi;

    @PostMapping("/create")
    @Operation(summary = "创建付款单")
    @PreAuthorize("@ss.hasPermission('erp:finance-payment:create')")
    public CommonResult<Long> createFinancePayment(@Valid @RequestBody ErpFinancePaymentSaveReqVO createReqVO) {
        return success(financePaymentService.createFinancePayment(createReqVO));
    }

    @PutMapping("/update")
    @Operation(summary = "更新付款单")
    @PreAuthorize("@ss.hasPermission('erp:finance-payment:update')")
    public CommonResult<Boolean> updateFinancePayment(@Valid @RequestBody ErpFinancePaymentSaveReqVO updateReqVO) {
        financePaymentService.updateFinancePayment(updateReqVO);
        return success(true);
    }

    @PostMapping("/submit")
    @Operation(summary = "提交付款单审批")
    @PreAuthorize("@ss.hasPermission('erp:finance-payment:update')")
    public CommonResult<Boolean> submitFinancePayment(@RequestParam("id") Long id,
                                                      @RequestParam("processDefinitionKey") String processDefinitionKey) {
        Long userId = getLoginUserId();
        financePaymentService.submitFinancePayment(id, processDefinitionKey, userId);
        return success(true);
    }

    @GetMapping("/approve-process-list")
    @Operation(summary = "获取付款单审批流程列表")
    @PreAuthorize("@ss.hasPermission('erp:finance-payment:query')")
    public CommonResult<List<Map<String, Object>>> getApproveProcessList() {
        return success(financePaymentService.getFinancePaymentApproveProcessDefinitionList());
    }

    @DeleteMapping("/delete")
    @Operation(summary = "删除付款单")
    @Parameter(name = "ids", description = "编号数组", required = true)
    @PreAuthorize("@ss.hasPermission('erp:finance-payment:delete')")
    public CommonResult<Boolean> deleteFinancePayment(@RequestParam("ids") List<Long> ids) {
        financePaymentService.deleteFinancePayment(ids);
        return success(true);
    }

    @GetMapping("/get")
    @Operation(summary = "获得付款单")
    @Parameter(name = "id", description = "编号", required = true, example = "1024")
    @PreAuthorize("@ss.hasPermission('erp:finance-payment:query')")
    public CommonResult<ErpFinancePaymentRespVO> getFinancePayment(@RequestParam("id") Long id) {
        ErpFinancePaymentDO payment = financePaymentService.getFinancePayment(id);
        if (payment == null) {
            return success(null);
        }
        List<ErpFinancePaymentItemDO> paymentItemList = financePaymentService.getFinancePaymentItemListByPaymentId(id);
        return success(buildFinancePaymentVO(payment, paymentItemList));
    }

    private ErpFinancePaymentRespVO buildFinancePaymentVO(ErpFinancePaymentDO payment,
                                                          List<ErpFinancePaymentItemDO> paymentItemList) {
        ErpPurchaseInvoiceRespVO invoiceVO = null;
        if (payment.getInvoiceId() != null) {
            ErpPurchaseInvoiceDO invoice = invoiceService.getPurchaseInvoice(payment.getInvoiceId());
            if (invoice != null) {
                invoiceVO = BeanUtils.toBean(invoice, ErpPurchaseInvoiceRespVO.class);
            }
        }
        ErpPurchaseInvoiceRespVO invoiceFinal = invoiceVO;
        return BeanUtils.toBean(payment, ErpFinancePaymentRespVO.class, financePaymentVO ->
                financePaymentVO.setInvoice(invoiceFinal)
                .setItems(BeanUtils.toBean(paymentItemList, ErpFinancePaymentRespVO.Item.class))
                .setAttachmentList(storageAttachmentApi.listAttachments("erp_finance_payment", payment.getId())));
    }

    @GetMapping("/page")
    @Operation(summary = "获得付款单分页")
    @PreAuthorize("@ss.hasPermission('erp:finance-payment:query')")
    public CommonResult<PageResult<ErpFinancePaymentRespVO>> getFinancePaymentPage(@Valid ErpFinancePaymentPageReqVO pageReqVO) {
        PageResult<ErpFinancePaymentDO> pageResult = financePaymentService.getFinancePaymentPage(pageReqVO);
        return success(buildFinancePaymentVOPageResult(pageResult));
    }

    @GetMapping("/export-excel")
    @Operation(summary = "导出付款单 Excel")
    @PreAuthorize("@ss.hasPermission('erp:finance-payment:export')")
    @ApiAccessLog(operateType = EXPORT)
    public void exportFinancePaymentExcel(@Valid ErpFinancePaymentPageReqVO pageReqVO,
                                         HttpServletResponse response) throws IOException {
        pageReqVO.setPageSize(PageParam.PAGE_SIZE_NONE);
        List<ErpFinancePaymentRespVO> list = buildFinancePaymentVOPageResult(financePaymentService.getFinancePaymentPage(pageReqVO)).getList();
        // 导出 Excel
        ExcelUtils.write(response, "付款单.xls", "数据", ErpFinancePaymentRespVO.class, list);
    }

    private PageResult<ErpFinancePaymentRespVO> buildFinancePaymentVOPageResult(PageResult<ErpFinancePaymentDO> pageResult) {
        if (CollUtil.isEmpty(pageResult.getList())) {
            return PageResult.empty(pageResult.getTotal());
        }
        // 1.1 付款项
        List<ErpFinancePaymentItemDO> paymentItemList = financePaymentService.getFinancePaymentItemListByPaymentIds(
                convertSet(pageResult.getList(), ErpFinancePaymentDO::getId));
        Map<Long, List<ErpFinancePaymentItemDO>> financePaymentItemMap = convertMultiMap(paymentItemList, ErpFinancePaymentItemDO::getPaymentId);
        // 1.2 供应商信息
        Map<Long, SrmSupplierRespDTO> supplierMap = srmSupplierApi.getSupplierList(
                convertSet(pageResult.getList(), ErpFinancePaymentDO::getSupplierId)).getCheckedData().stream()
                .collect(java.util.stream.Collectors.toMap(SrmSupplierRespDTO::getId, v -> v, (a, b) -> a));
        // 1.3 结算账户信息
        Map<Long, ErpAccountDO> accountMap = accountService.getAccountMap(
                convertSet(pageResult.getList(), ErpFinancePaymentDO::getAccountId));
        // 1.4 管理员信息
        Map<Long, AdminUserRespDTO> userMap = adminUserApi.getUserMap(convertListByFlatMap(pageResult.getList(),
                contact -> Stream.of(NumberUtils.parseLong(contact.getCreator()), contact.getFinanceUserId())));
        // 1.5 来票信息
        Map<Long, ErpPurchaseInvoiceDO> invoiceMap = invoiceService.getPurchaseInvoiceMap(
                convertSet(pageResult.getList(), ErpFinancePaymentDO::getInvoiceId));
        // 2. 开始拼接
        return BeanUtils.toBean(pageResult, ErpFinancePaymentRespVO.class, payment -> {
            payment.setItems(BeanUtils.toBean(financePaymentItemMap.get(payment.getId()), ErpFinancePaymentRespVO.Item.class));
            MapUtils.findAndThen(supplierMap, payment.getSupplierId(), supplier -> payment.setSupplierName(supplier.getName()));
            MapUtils.findAndThen(accountMap, payment.getAccountId(), account -> payment.setAccountName(account.getName()));
            MapUtils.findAndThen(userMap, Long.parseLong(payment.getCreator()), user -> payment.setCreatorName(user.getNickname()));
            MapUtils.findAndThen(userMap, payment.getFinanceUserId(), user -> payment.setFinanceUserName(user.getNickname()));
            MapUtils.findAndThen(invoiceMap, payment.getInvoiceId(), invoice ->
                    payment.setInvoice(BeanUtils.toBean(invoice, ErpPurchaseInvoiceRespVO.class)));
        });
    }

}