package com.ruoyi.web.controller.task;

import java.util.List;
import javax.annotation.Resource;
import javax.servlet.http.HttpServletResponse;

import com.ruoyi.system.service.*;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.PutMapping;
import org.springframework.web.bind.annotation.DeleteMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
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.domain.entity.SysUser;
import com.ruoyi.common.core.domain.entity.SysDept;
import com.ruoyi.common.enums.BusinessType;
import com.ruoyi.system.domain.SysTask;
import com.ruoyi.system.domain.SysTaskLog;
import com.ruoyi.system.domain.VehicleInfo;
import com.ruoyi.system.domain.vo.TaskQueryVO;
import com.ruoyi.system.domain.vo.TaskCreateVO;
import com.ruoyi.system.domain.vo.TaskUpdateVO;
import com.ruoyi.system.domain.vo.TaskStatisticsVO;
import com.ruoyi.system.domain.enums.TaskStatus;
import com.ruoyi.common.utils.poi.ExcelUtil;
import com.ruoyi.common.core.page.TableDataInfo;
import com.ruoyi.common.utils.StringUtils;

/**
 * 任务管理Controller
 * 
 * @author ruoyi
 * @date 2024-01-15
 */
@RestController
@RequestMapping("/task")
public class SysTaskController extends BaseController {
    
    @Autowired
    private ISysTaskService sysTaskService;
    
    @Autowired
    private IVehicleInfoService vehicleInfoService;
    
    @Autowired
    private ISysUserService userService;
    
    @Autowired
    private ISysDeptService deptService;


    @Autowired
    @Qualifier("tiandituMapService")
    private IMapService mapService;

    /**
     * 查询任务管理列表（后台管理端）
     * 管理员权限，可以查看所有任务
     */
    @PreAuthorize("@ss.hasPermi('task:general:query')")
    @GetMapping("/admin/list")
    public TableDataInfo adminList(TaskQueryVO queryVO) {
        startPage();
        List<SysTask> list = sysTaskService.selectSysTaskList(queryVO);
        return getDataTable(list);
    }

    /**
     * 查询任务列表（APP端）
     * 根据用户权限返回不同范围的任务：
     * 1. 有查看所有咨询单权限（canViewAllConsult='1'）：返回该用户管理所有分公司下的所有任务单
     * 2. 无权限（canViewAllConsult='0'）：只返回分配给该用户的单或该用户创建的单
     */
    @GetMapping("/list")
    public TableDataInfo appList(TaskQueryVO queryVO) {
        // 获取当前用户信息
        Long currentUserId = getUserId();
        SysUser currentUser = userService.selectUserById(currentUserId);
        
        if (currentUser == null) {
            return getDataTable(new java.util.ArrayList<>());
        }
        
        // 判断用户是否有查看所有咨询单的权限
        String canViewAllConsult = currentUser.getCanViewAllConsult();
        
        if ("1".equals(canViewAllConsult)) {
            // 有权限：返回该用户管理所有分公司下的所有任务单
            // 1. 获取用户管理的分公司列表
            List<SysDept> branchCompanies = deptService.computeBranchCompaniesForUser(currentUser);
            
            if (branchCompanies != null && !branchCompanies.isEmpty()) {
                // 2. 提取所有分公司ID
                List<Long> deptIds = new java.util.ArrayList<>();
                for (SysDept dept : branchCompanies) {
                    deptIds.add(dept.getDeptId());
                }
                
                // 3. 设置查询条件为分公司ID列表（SQL会自动包含所有子部门）
                queryVO.setDeptIds(deptIds);
                // 清空创建人和执行人过滤条件，返回这些分公司下的所有任务
                queryVO.setCreatorId(null);
                queryVO.setAssigneeId(null);
            } else {
                // 如果没有找到分公司，返回空列表
                return getDataTable(new java.util.ArrayList<>());
            }
        } else {
            // 无权限：只返回分配给该用户的单或该用户创建的单
            // 清空deptId和deptIds，使用creatorId和assigneeId进行OR查询
            queryVO.setDeptId(null);
            queryVO.setDeptIds(null);
            queryVO.setCreatorId(currentUserId);
            queryVO.setAssigneeId(currentUserId);
        }
        
        startPage();
        List<SysTask> list = sysTaskService.selectSysTaskList(queryVO);
        return getDataTable(list);
    }

    /**
     * 导出任务管理列表（后台管理端）
     */
    @PreAuthorize("@ss.hasPermi('task:general:export')")
    @Log(title = "任务管理", businessType = BusinessType.EXPORT)
    @PostMapping("/admin/export")
    public void export(HttpServletResponse response, TaskQueryVO queryVO) {
        List<SysTask> list = sysTaskService.selectSysTaskList(queryVO);
        ExcelUtil<SysTask> util = new ExcelUtil<SysTask>(SysTask.class);
        util.exportExcel(response, list, "任务管理数据");
    }

    /**
     * 获取任务详细信息（后台管理端）
     */
    @PreAuthorize("@ss.hasPermi('task:general:query')")
    @GetMapping(value = "/admin/{taskId}")
    public AjaxResult adminGetInfo(@PathVariable("taskId") Long taskId) {
        return success(sysTaskService.getTaskDetail(taskId));
    }

    /**
     * 获取任务详细信息（APP端）
     */
    @GetMapping(value = "/{taskId}")
    public AjaxResult appGetInfo(@PathVariable("taskId") Long taskId) {
        return success(sysTaskService.getTaskDetail(taskId));
    }

    /**
     * 新增任务（后台管理端）
     */
    @PreAuthorize("@ss.hasPermi('task:general:add')")
    @Log(title = "任务管理", businessType = BusinessType.INSERT)
    @PostMapping("/admin")
    public AjaxResult adminAdd(@RequestBody TaskCreateVO createVO) {
        return toAjax(sysTaskService.insertSysTask(createVO));
    }

    /**
     * 新增任务（APP端）
     */
    @Log(title = "任务创建", businessType = BusinessType.INSERT)
    @PostMapping
    public AjaxResult appAdd(@RequestBody TaskCreateVO createVO) {
        return toAjax(sysTaskService.insertSysTask(createVO));
    }

    /**
     * 修改任务（后台管理端）
     */
    @PreAuthorize("@ss.hasPermi('task:general:edit')")
    @Log(title = "任务管理", businessType = BusinessType.UPDATE)
    @PutMapping("/admin")
    public AjaxResult adminEdit(@RequestBody TaskUpdateVO updateVO) {
        return toAjax(sysTaskService.updateSysTask(updateVO,false));
    }

    /**
     * 修改任务（APP端）
     */
    @Log(title = "任务修改", businessType = BusinessType.UPDATE)
    @PutMapping
    public AjaxResult appEdit(@RequestBody TaskUpdateVO updateVO) {
        return toAjax(sysTaskService.updateSysTask(updateVO,false));
    }

    /**
     * 删除任务（APP端）
     */
    @Log(title = "任务删除", businessType = BusinessType.DELETE)
    @DeleteMapping("/{taskIds}")
    public AjaxResult appRemove(@PathVariable Long[] taskIds) {
        return toAjax(sysTaskService.deleteSysTaskByTaskIds(taskIds));
    }

    /**
     * 删除任务（后台管理端）
     */
    @PreAuthorize("@ss.hasPermi('task:general:remove')")
    @Log(title = "任务管理", businessType = BusinessType.DELETE)
    @DeleteMapping("/admin/{taskIds}")
    public AjaxResult adminRemove(@PathVariable Long[] taskIds) {
        return toAjax(sysTaskService.deleteSysTaskByTaskIds(taskIds));
    }

    /**
     * 分配任务（后台管理端）
     */
    @PreAuthorize("@ss.hasPermi('task:general:edit')")
    @Log(title = "任务分配", businessType = BusinessType.UPDATE)
    @PutMapping("/admin/{taskId}/assign")
    public AjaxResult adminAssignTask(@PathVariable Long taskId, @RequestBody AssignTaskRequest request) {
        return toAjax(sysTaskService.assignTask(taskId, request.getAssigneeId(), request.getRemark()));
    }

    /**
     * 分配任务（APP端）
     */
    @Log(title = "任务分配", businessType = BusinessType.UPDATE)
    @PutMapping("/{taskId}/assign")
    public AjaxResult appAssignTask(@PathVariable Long taskId, @RequestBody AssignTaskRequest request) {
        return toAjax(sysTaskService.assignTask(taskId, request.getAssigneeId(), request.getRemark()));
    }

    /**
     * 更新任务状态（后台管理端）
     */
    @PreAuthorize("@ss.hasPermi('task:general:edit')")
    @Log(title = "任务状态变更", businessType = BusinessType.UPDATE)
    @PutMapping("/admin/{taskId}/status")
    public AjaxResult adminChangeTaskStatus(@PathVariable Long taskId, @RequestBody ChangeStatusRequest request) {
        TaskStatus newStatus = TaskStatus.getByCode(request.getTaskStatus());
        if (newStatus == null) {
            return error("无效的任务状态");
        }
        return toAjax(sysTaskService.changeTaskStatus(taskId, newStatus, request.getRemark()));
    }

    /**
     * 更新任务状态（APP端）
     * 支持GPS位置信息上报
     */
    @Log(title = "任务状态变更", businessType = BusinessType.UPDATE)
    @PutMapping("/{taskId}/status")
    public AjaxResult appChangeTaskStatus(@PathVariable Long taskId, @RequestBody ChangeStatusRequest request) {
        TaskStatus newStatus = TaskStatus.getByCode(request.getTaskStatus());
        if (newStatus == null) {
            return error("无效的任务状态");
        }
        
        // 如果包含GPS位置信息，使用带位置的方法
        if (request.getLatitude() != null && request.getLongitude() != null) {
           String address= mapService.reverseGeocoding(request.getLongitude(), request.getLatitude());
           request.setLocationAddress(address);
            SysTaskLog locationLog = new SysTaskLog();
            locationLog.setLatitude(request.getLatitude());
            locationLog.setLongitude(request.getLongitude());
            locationLog.setLocationAddress(request.getLocationAddress());
            locationLog.setLocationProvince(request.getLocationProvince());
            locationLog.setLocationCity(request.getLocationCity());
            locationLog.setLocationDistrict(request.getLocationDistrict());
            locationLog.setGpsAccuracy(request.getGpsAccuracy());
            locationLog.setAltitude(request.getAltitude());
            locationLog.setSpeed(request.getSpeed());
            locationLog.setHeading(request.getHeading());

            return toAjax(sysTaskService.changeTaskStatusWithLocation(taskId, newStatus, request.getRemark(), locationLog));
        }

        return toAjax(sysTaskService.changeTaskStatus(taskId, newStatus, request.getRemark()));
    }

    /**
     * 查询任务统计信息（APP端）
     */
    @GetMapping("/statistics")
    public AjaxResult getStatistics() {
        TaskStatisticsVO statistics = sysTaskService.getTaskStatistics();
        return success(statistics);
    }

    /**
     * 查询任务统计信息（后台管理端）
     */
    @PreAuthorize("@ss.hasPermi('task:general:query')")
    @GetMapping("/admin/statistics")
    public AjaxResult adminGetStatistics() {
        TaskStatisticsVO statistics = sysTaskService.getTaskStatistics();
        return success(statistics);
    }

    /**
     * 查询超时任务列表（APP端）
     */
    @GetMapping("/overdue")
    public AjaxResult getOverdueTasks() {
        List<SysTask> list = sysTaskService.selectOverdueTasks();
        return success(list);
    }

    /**
     * 查询超时任务列表（后台管理端）
     */
    @PreAuthorize("@ss.hasPermi('task:general:query')")
    @GetMapping("/admin/overdue")
    public AjaxResult adminGetOverdueTasks() {
        List<SysTask> list = sysTaskService.selectOverdueTasks();
        return success(list);
    }

    /**
     * 查询我的任务列表（APP端）
     */
    @GetMapping("/my")
    public AjaxResult getMyTasks() {
        List<SysTask> list = sysTaskService.selectMyTasks(getUserId());
        return success(list);
    }

    /**
     * 检查车辆是否有正在进行中的任务（APP端）
     * 正在进行中的任务是指状态不为：PENDING（待处理）、COMPLETED（已完成）、CANCELLED（已取消）的任务
     */
    @GetMapping("/vehicle/{vehicleId}/active")
    public AjaxResult checkVehicleActiveTasks(@PathVariable Long vehicleId) {
        List<SysTask> activeTasks = sysTaskService.checkVehicleActiveTasks(vehicleId);
        return success(activeTasks);
    }

    /**
     * 检查任务是否可以出发（APP端）
     * 检查：
     * 1. 车辆是否有未完成的任务
     * 2. 执行人员是否有未完成的任务
     * 
     * @param taskId 任务ID
     * @return 校验结果
     */
    @GetMapping("/{taskId}/check-depart")
    public AjaxResult checkTaskCanDepart(@PathVariable Long taskId) {
        return sysTaskService.checkTaskCanDepart(taskId);
    }

    /**
     * 执行人点击就绪（APP端）
     */
    @PostMapping("/{taskId}/assignee/ready")
    public AjaxResult setAssigneeReady(@PathVariable Long taskId) {
        Long userId = getUserId();
        return sysTaskService.setAssigneeReady(taskId, userId);
    }

    /**
     * 执行人取消就绪（APP端）
     */
    @PostMapping("/{taskId}/assignee/cancel-ready")
    public AjaxResult cancelAssigneeReady(@PathVariable Long taskId) {
        Long userId = getUserId();
        return sysTaskService.cancelAssigneeReady(taskId, userId);
    }

    /**
     * 分配任务请求对象
     */
    public static class AssignTaskRequest {
        private Long assigneeId;
        private String remark;

        public Long getAssigneeId() {
            return assigneeId;
        }

        public void setAssigneeId(Long assigneeId) {
            this.assigneeId = assigneeId;
        }

        public String getRemark() {
            return remark;
        }

        public void setRemark(String remark) {
            this.remark = remark;
        }
    }

    /**
     * 变更状态请求对象
     */
    public static class ChangeStatusRequest {
        private String taskStatus;
        private String remark;
        
        // GPS位置信息字段
        private Double latitude;
        private Double longitude;
        private String locationAddress;
        private String locationProvince;
        private String locationCity;
        private String locationDistrict;
        private Double gpsAccuracy;
        private Double altitude;
        private Double speed;
        private Double heading;

        public String getTaskStatus() {
            return taskStatus;
        }

        public void setTaskStatus(String taskStatus) {
            this.taskStatus = taskStatus;
        }

        public String getRemark() {
            return remark;
        }

        public void setRemark(String remark) {
            this.remark = remark;
        }

        public Double getLatitude() {
            return latitude;
        }

        public void setLatitude(Double latitude) {
            this.latitude = latitude;
        }

        public Double getLongitude() {
            return longitude;
        }

        public void setLongitude(Double longitude) {
            this.longitude = longitude;
        }

        public String getLocationAddress() {
            return locationAddress;
        }

        public void setLocationAddress(String locationAddress) {
            this.locationAddress = locationAddress;
        }

        public String getLocationProvince() {
            return locationProvince;
        }

        public void setLocationProvince(String locationProvince) {
            this.locationProvince = locationProvince;
        }

        public String getLocationCity() {
            return locationCity;
        }

        public void setLocationCity(String locationCity) {
            this.locationCity = locationCity;
        }

        public String getLocationDistrict() {
            return locationDistrict;
        }

        public void setLocationDistrict(String locationDistrict) {
            this.locationDistrict = locationDistrict;
        }

        public Double getGpsAccuracy() {
            return gpsAccuracy;
        }

        public void setGpsAccuracy(Double gpsAccuracy) {
            this.gpsAccuracy = gpsAccuracy;
        }

        public Double getAltitude() {
            return altitude;
        }

        public void setAltitude(Double altitude) {
            this.altitude = altitude;
        }

        public Double getSpeed() {
            return speed;
        }

        public void setSpeed(Double speed) {
            this.speed = speed;
        }

        public Double getHeading() {
            return heading;
        }

        public void setHeading(Double heading) {
            this.heading = heading;
        }
    }
}