package com.ruoyi.account.controller;

import com.baomidou.mybatisplus.core.metadata.IPage;
import com.ruoyi.account.api.dto.VinAppletBindDTO;
import com.ruoyi.account.api.dto.VinManagementAllocateDTO;
import com.ruoyi.account.api.dto.VinManagementExcelDTO;
import com.ruoyi.account.api.dto.VinManagementQueryDTO;
import com.ruoyi.account.api.dto.VinManagementSaveDTO;
import com.ruoyi.account.api.model.TVinManagement;
import com.ruoyi.account.api.vo.VinManagementAllocateVO;
import com.ruoyi.account.service.TVinManagementService;
import com.ruoyi.common.core.domain.R;
import com.ruoyi.common.core.utils.poi.ExcelUtil;
import com.ruoyi.common.core.web.controller.BaseController;
import com.ruoyi.common.security.annotation.Logical;
import com.ruoyi.common.security.annotation.RequiresPermissions;
import com.ruoyi.common.security.service.TokenService;
import io.swagger.annotations.ApiOperation;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;
import javax.servlet.http.HttpServletResponse;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
import java.util.stream.Collectors;

@RestController
@RequestMapping("/t-vin-management")
public class TVinManagementController extends BaseController {
    @Autowired private TVinManagementService service;
    @Autowired private TokenService tokenService;
    @RequiresPermissions(value = "/vinManagement/list", logical = Logical.OR)
    @PostMapping("/page") public R<IPage<?>> page(@RequestBody VinManagementQueryDTO query) { return R.ok(service.selectPageList(query)); }
    @RequiresPermissions(value = "/vinManagement/add", logical = Logical.OR)
    @PostMapping public R<Boolean> add(@RequestBody VinManagementSaveDTO dto) { return R.ok(service.saveVin(dto)); }
    @RequiresPermissions(value = "/vinManagement/edit", logical = Logical.OR)
    @PutMapping public R<Boolean> edit(@RequestBody VinManagementSaveDTO dto) { return R.ok(service.updateVin(dto)); }
    @RequiresPermissions(value = "/vinManagement/delete", logical = Logical.OR)
    @DeleteMapping public R<Boolean> delete(@RequestBody List<Long> ids) { return R.ok(service.deleteVins(ids)); }
    @ApiOperation(value = "批量解绑车队（清空VIN车队归属，返回实际解绑数量）")
    @RequiresPermissions(value = {"/vinManagement/unbind"}, logical = Logical.OR)
    @PutMapping("/unbind-fleet") public R<Integer> unbindFleet(@RequestBody List<Long> ids) { return R.ok(service.unbindFleet(ids)); }
    @RequiresPermissions(value = "/vinManagement/status", logical = Logical.OR)
    @PutMapping("/status") public R<Boolean> status(@RequestBody VinManagementSaveDTO dto) { return R.ok(service.updateStatus(dto.getId(), dto.getStatus())); }
    @RequiresPermissions(value = "/vinManagement/export", logical = Logical.OR)
    @PutMapping("/export") public void export(HttpServletResponse response, @RequestBody VinManagementQueryDTO query) { new ExcelUtil<>(VinManagementExcelDTO.class).exportExcel(response, service.selectExportList(query), "VIN码数据"); }
    @RequiresPermissions(value = "/vinManagement/import", logical = Logical.OR)
    @GetMapping("/import-template") public void template(HttpServletResponse response) { new ExcelUtil<>(VinManagementExcelDTO.class).importTemplateExcel(response, "VIN码导入模板"); }
    @RequiresPermissions(value = "/vinManagement/import", logical = Logical.OR)
    @PostMapping("/import") public R<String> importData(@RequestPart("file") MultipartFile file) throws Exception { List<VinManagementExcelDTO> items = new ExcelUtil<>(VinManagementExcelDTO.class).importExcel(file.getInputStream()); return R.ok(service.importVins(items)); }

    @GetMapping("/applet/vehicles")
    public R<List<TVinManagement>> appletVehicles() {
        return R.ok(service.selectAppletVehicleList(tokenService.getLoginUserApplet().getUserId()));
    }

    @PostMapping("/applet/bind")
    public R<Boolean> bindAppletVehicle(@RequestBody VinAppletBindDTO dto) {
        return R.ok(service.bindAppletVehicle(tokenService.getLoginUserApplet().getUserId(),
                dto == null ? null : dto.getKeyword()));
    }

    @DeleteMapping("/applet/unbind/{id}")
    public R<Boolean> unbindAppletVehicle(@PathVariable Long id) {
        return R.ok(service.unbindAppletVehicle(id, tokenService.getLoginUserApplet().getUserId()));
    }

    @ApiOperation(value = "额度分配概览（公司总账户余额、可分配余额）")
    @RequiresPermissions(value = {"/vinManagement/allocate"}, logical = Logical.OR)
    @GetMapping("/allocate-overview")
    public R<VinManagementAllocateVO> allocateOverview(@RequestParam("companyId") Integer companyId) {
        return R.ok(service.getAllocateOverview(companyId));
    }

    @ApiOperation(value = "VIN码额度分配（公司可用余额划入VIN初始分配额度）")
    @RequiresPermissions(value = {"/vinManagement/allocate"}, logical = Logical.OR)
    @PostMapping("/allocate")
    public R<VinManagementAllocateVO> allocate(@RequestBody VinManagementAllocateDTO dto) {
        return R.ok(service.allocateQuota(dto));
    }

    /**
     * 内部接口：根据VIN码查询未删除的VIN记录（订单侧VIN鉴权使用）
     */
    @GetMapping("/inner/get-by-vin")
    public R<TVinManagement> getByVin(@RequestParam("vin") String vin) {
        return R.ok(service.getByVin(vin));
    }

    @GetMapping("/inner/ids-by-app-user")
    public R<List<Long>> getVinIdsByAppUserId(@RequestParam Long appUserId) {
        return R.ok(service.getVinIdsByAppUserId(appUserId));
    }

    /**
     * 内部接口：根据VIN记录ID批量查询（订单侧列表/详情回填VIN码、车牌号、手机号使用）
     */
    @PostMapping("/inner/list-by-ids")
    public R<List<TVinManagement>> listByIds(@RequestBody List<Long> ids) {
        if (ids == null || ids.isEmpty()) {
            return R.ok(new ArrayList<>());
        }
        List<Long> distinctIds = ids.stream().filter(Objects::nonNull).distinct().collect(Collectors.toList());
        return R.ok(distinctIds.isEmpty() ? new ArrayList<>() : service.listByIds(distinctIds));
    }
}