package com.ruoyi.web.controller.system;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;
import javax.servlet.http.HttpServletResponse;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.web.bind.annotation.DeleteMapping;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.PutMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import com.ruoyi.common.annotation.Log;
import com.ruoyi.common.core.controller.BaseController;
import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.common.core.page.TableDataInfo;
import com.ruoyi.common.enums.BusinessType;
import com.ruoyi.common.utils.poi.ExcelUtil;
import com.ruoyi.system.domain.VehicleMileageStats;
import com.ruoyi.system.service.IVehicleMileageStatsService;

/**
 * 车辆里程统计Controller
 */
@RestController
@RequestMapping("/system/mileageStats")
public class VehicleMileageStatsController extends BaseController {
    
    private static final Logger logger = LoggerFactory.getLogger(VehicleMileageStatsController.class);
    
    @Autowired
    private IVehicleMileageStatsService vehicleMileageStatsService;

    /**
     * 查询车辆里程统计列表
     */
    @PreAuthorize("@ss.hasPermi('system:mileageStats:list')")
    @GetMapping("/list")
    public TableDataInfo list(VehicleMileageStats vehicleMileageStats) {
        startPage();
        List<VehicleMileageStats> list = vehicleMileageStatsService.selectVehicleMileageStatsList(vehicleMileageStats);
        return getDataTable(list);
    }

    /**
     * 导出车辆里程统计列表
     */
    @PreAuthorize("@ss.hasPermi('system:mileageStats:export')")
    @Log(title = "车辆里程统计", businessType = BusinessType.EXPORT)
    @PostMapping("/export")
    public void export(HttpServletResponse response, VehicleMileageStats vehicleMileageStats) {
        List<VehicleMileageStats> list = vehicleMileageStatsService.selectVehicleMileageStatsList(vehicleMileageStats);
        ExcelUtil<VehicleMileageStats> util = new ExcelUtil<VehicleMileageStats>(VehicleMileageStats.class);
        util.exportExcel(response, list, "车辆里程统计数据");
    }

    /**
     * 获取车辆里程统计详细信息
     */
    @PreAuthorize("@ss.hasPermi('system:mileageStats:query')")
    @GetMapping(value = "/{statsId}")
    public AjaxResult getInfo(@PathVariable("statsId") Long statsId) {
        return success(vehicleMileageStatsService.selectVehicleMileageStatsById(statsId));
    }

    /**
     * 新增车辆里程统计
     */
    @PreAuthorize("@ss.hasPermi('system:mileageStats:add')")
    @Log(title = "车辆里程统计", businessType = BusinessType.INSERT)
    @PostMapping
    public AjaxResult add(@RequestBody VehicleMileageStats vehicleMileageStats) {
        return toAjax(vehicleMileageStatsService.insertVehicleMileageStats(vehicleMileageStats));
    }

    /**
     * 修改车辆里程统计
     */
    @PreAuthorize("@ss.hasPermi('system:mileageStats:edit')")
    @Log(title = "车辆里程统计", businessType = BusinessType.UPDATE)
    @PutMapping
    public AjaxResult edit(@RequestBody VehicleMileageStats vehicleMileageStats) {
        return toAjax(vehicleMileageStatsService.updateVehicleMileageStats(vehicleMileageStats));
    }

    /**
     * 删除车辆里程统计
     */
    @PreAuthorize("@ss.hasPermi('system:mileageStats:remove')")
    @Log(title = "车辆里程统计", businessType = BusinessType.DELETE)
    @DeleteMapping("/{statsIds}")
    public AjaxResult remove(@PathVariable Long[] statsIds) {
        return toAjax(vehicleMileageStatsService.deleteVehicleMileageStatsByIds(statsIds));
    }

    /**
     * 手动触发计算指定车辆指定日期的里程统计
     */
    @PreAuthorize("@ss.hasPermi('system:mileageStats:calculate')")
    @Log(title = "车辆里程统计", businessType = BusinessType.OTHER)
    @PostMapping("/calculate")
    public AjaxResult calculate(Long vehicleId, String statDate) {
        try {
            if (statDate == null || statDate.trim().isEmpty()) {
                return error("统计日期不能为空");
            }
            
            SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
            sdf.setLenient(false); // 严格解析日期
            Date date = sdf.parse(statDate.trim());
            logger.info("---> 手动计算车辆里程汇总,车辆ID: {}, 日期: {}", vehicleId, date);
            VehicleMileageStats stats = vehicleMileageStatsService.calculateAndSaveMileageStats(vehicleId, date);
            // 修复String到Date转换问题，添加更好的错误处理
            if (stats != null) {
                return AjaxResult.success("里程统计计算成功", stats);
            } else {
                return error("该车辆在指定日期无GPS数据");
            }
        } catch (Exception e) {
            logger.error("里程统计计算失败 - 车辆ID: {}, 日期: {}", vehicleId, statDate, e);
            return error("里程统计计算失败：" + e.getMessage());
        }
    }

    /**
     * 批量计算指定日期所有车辆的里程统计
     */
    @PreAuthorize("@ss.hasPermi('system:mileageStats:batch')")
    @Log(title = "车辆里程统计", businessType = BusinessType.OTHER)
    @PostMapping("/batchCalculate")
    public AjaxResult batchCalculate(String statDate) {
        try {
            if (statDate == null || statDate.trim().isEmpty()) {
                return error("统计日期不能为空");
            }
            
            SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
            sdf.setLenient(false); // 严格解析日期
            Date date = sdf.parse(statDate.trim());
            
            int count = vehicleMileageStatsService.batchCalculateMileageStats(date);
            return success("批量里程统计完成，成功统计 " + count + " 辆车");
        } catch (Exception e) {
            logger.error("批量里程统计失败 - 日期: {}", statDate, e);
            return error("批量里程统计失败：" + e.getMessage());
        }
    }
}