// ==========================================================================
// GFast自动生成controller操作代码。
// 生成日期：2024-04-11 16:56:36
// 生成路径: internal/app/system/controller/notifications.go
// 生成人：gfast
// desc:通知信息
// company:云南奇讯科技有限公司
// ==========================================================================

package controller

import (
	"context"
	"fmt"
	"strings"
	"time"

	"github.com/gogf/gf/v2/container/gvar"
	"github.com/gogf/gf/v2/frame/g"
	"github.com/gogf/gf/v2/util/gconv"
	"github.com/jinzhu/copier"
	"github.com/samber/lo"
	"github.com/tiger1103/gfast/v3/api/v1/common/coryCommon"
	"github.com/tiger1103/gfast/v3/api/v1/system"
	comModel "github.com/tiger1103/gfast/v3/internal/app/common/model"
	"github.com/tiger1103/gfast/v3/internal/app/system/dao"
	ct "github.com/tiger1103/gfast/v3/internal/app/system/logic/context"
	"github.com/tiger1103/gfast/v3/internal/app/system/model"
	"github.com/tiger1103/gfast/v3/internal/app/system/model/do"
	"github.com/tiger1103/gfast/v3/internal/app/system/model/entity"
	"github.com/tiger1103/gfast/v3/internal/app/system/service"
	wxDao "github.com/tiger1103/gfast/v3/internal/app/wxApplet/dao"
	"github.com/tiger1103/gfast/v3/library/liberr"
	richtext "github.com/tiger1103/gfast/v3/third/richText"
)

type notificationsController struct {
	BaseController
}

var Notifications = new(notificationsController)

// List 列表
func (c *notificationsController) List(ctx context.Context, req *system.NotificationsSearchReq) (res *system.NotificationsSearchRes, err error) {
	res, err = service.Notifications().List(ctx, req)
	return
}

// Get 获取通知信息
func (c *notificationsController) Get(ctx context.Context, req *system.NotificationsGetReq) (res *system.NotificationsGetRes, err error) {
	res = new(system.NotificationsGetRes)
	res.NotificationsInfoRes, err = service.Notifications().GetById(ctx, req.Id)
	return
}

// Add 添加通知信息
func (c *notificationsController) Add(ctx context.Context, req *system.NotificationsAddReq) (res *system.NotificationsAddRes, err error) {
	err = service.Notifications().Add(ctx, req)
	return
}

// Edit 修改通知信息
func (c *notificationsController) Edit(ctx context.Context, req *system.NotificationsEditReq) (res *system.NotificationsEditRes, err error) {
	err = service.Notifications().Edit(ctx, req)
	return
}

// Delete 删除通知信息
func (c *notificationsController) Delete(ctx context.Context, req *system.NotificationsDeleteReq) (res *system.NotificationsDeleteRes, err error) {
	err = service.Notifications().Delete(ctx, req.Ids)
	return
}

// NotificationsPublishReq 发布通知请求参数
func (c *notificationsController) Publish(ctx context.Context, req *system.NotificationsPublishReq) (*system.NotificationsPublishRes, error) {
	// 获取当前用户的 ID
	userID := ct.New().GetUserId(ctx)
	err := PublicPublish(ctx, req, userID)
	liberr.ErrIsNil(ctx, err)
	return &system.NotificationsPublishRes{}, nil
}

// NotificationsGetUserReq 获取当前用户的通知信息
func (c *notificationsController) GetNotify(ctx context.Context, req *system.NotificationsGetUserReq) (res *system.NotificationsGetUserRes, err error) {
	res = new(system.NotificationsGetUserRes)

	// 获取当前用户的 ID
	userID := ct.New().GetUserId(ctx)

	// 当前用户的通知列表
	notification := []model.Notifications{}
	err = g.Try(ctx, func(ctx context.Context) {
		// 获取当前用户的通知信息
		m := dao.NotificationRecipients.Ctx(ctx).As("nf").
			InnerJoin("notifications as ns", "ns.id = notification_id").
			LeftJoin("sys_user as su", "ns.initiator = su.id").
			Where("nf.recipient_id", userID).
			//Where("nf.notification_status", 0).
			Where("ns.is_app", req.IsApp).
			Where("ns.project_id", req.ProjectId)

		if req.PageNum == 0 {
			req.PageNum = 1
		}

		if req.PageSize == 0 {
			req.PageSize = 10
		}

		// 获取当前页的数据
		res.Total, err = m.Count()
		liberr.ErrIsNil(ctx, err)

		// 更新当前页
		res.CurrentPage = req.PageNum

		err = m.Page(req.PageNum, req.PageSize).Fields("ns.route,ns.notification_text,ns.notification_time,nf.notification_status,nf.id,ns.title,ns.files,su.user_nickname").
			OrderDesc("ns.id").
			Scan(&notification)
		liberr.ErrIsNil(ctx, err)
	})

	// 初始化通知列表
	res.List = make([]system.Notifications, 0, len(notification))
	copier.CopyWithOption(&res.List, &notification, copier.Option{
		Converters: []copier.TypeConverter{
			{
				SrcType: copier.String,
				DstType: []string{},
				Fn: func(src interface{}) (dst interface{}, err error) {
					s, ok := src.(string)
					if !ok {
						return nil, fmt.Errorf("转换失败")
					}
					if s == "" {
						return []string{}, nil
					}
					return lo.Compact(strings.Split(s, "|")), nil
				},
			},
		},
	})

	return res, nil
}

// NotificationsReadReq 标记通知为已读
func (c *notificationsController) Read(ctx context.Context, req *system.NotificationsReadReq) (*system.NotificationsReadRes, error) {
	// 获取当前用户的 ID
	userID := ct.New().GetUserId(ctx)

	err := g.Try(ctx, func(ctx context.Context) {
		// select *
		// from notification_recipients nr
		// join notifications ns on nr.notification_id = ns.id
		// where nr.recipient_id = 1 and ns.project_id = 37 and is_app = 0 and nr.notification_status = 0;

		_, err := dao.NotificationRecipients.Ctx(ctx).As("nr").
			InnerJoin("notifications as ns", "nr.notification_id = ns.id").
			Where("nr.recipient_id", userID).
			Where("ns.project_id", req.ProjectId).
			Where("ns.is_app", 0).
			Where("nr.notification_status", 0).
			Data(g.Map{
				dao.NotificationRecipients.Columns().NotificationStatus: 1,
				dao.NotificationRecipients.Columns().ReadTime:           time.Now().Format("2006-01-02 15:04:05"),
			}).Update()
		liberr.ErrIsNil(ctx, err)
	})
	liberr.ErrIsNil(ctx, err)

	return &system.NotificationsReadRes{}, nil
}

// 查看通知公告详情
func (c *notificationsController) Detail(ctx context.Context, req *system.NotificationsDetailReq) (*system.NotificationsDetailRes, error) {
	// 获取当前用户的 ID
	currentUserID := ct.New().GetUserId(ctx)

	// 初始化 NotificationsDetail
	notificationDetails := system.NotificationsDetail{}

	// 获取通知详情
	notificationInfo := model.Notifications{}
	err := g.Try(ctx, func(ctx context.Context) {
		err := dao.NotificationRecipients.Ctx(ctx).As("nf").
			InnerJoin("notifications as ns", "ns.id = nf.notification_id").
			LeftJoin("sys_user as su", "ns.initiator = su.id").
			Where("nf.id", req.Id).
			Fields("ns.route,ns.notification_text,ns.notification_time,nf.notification_status,ns.id,ns.title,su.user_nickname").
			Scan(&notificationInfo)
		liberr.ErrIsNil(ctx, err)

		// SELECT *
		// FROM notification_files
		// WHERE notification_id = (
		//     SELECT nr.notification_id
		//     FROM notification_files AS file
		//     LEFT JOIN notification_recipients AS nr ON nr.notification_id = file.notification_id
		//     WHERE nr.id = 775
		//     LIMIT 1
		// );

		// 获取对应的文件
		dao.NotificationFiles.Ctx(ctx).Where("notification_id = ?",
			dao.NotificationFiles.Ctx(ctx).As("file").
				LeftJoin("notification_recipients AS nr", "nr.notification_id = file.notification_id").
				Where("nr.id", req.Id).Fields("nr.notification_id").Limit(1)).
			Fields("file_name, file_path, file_type, file_size").Scan(&notificationInfo.Files)

		// 更新通知状态为已读
		_, err = dao.NotificationRecipients.Ctx(ctx).
			Where(dao.NotificationRecipients.Columns().RecipientId, currentUserID).
			Where(dao.NotificationRecipients.Columns().Id, req.Id).
			Where(dao.NotificationRecipients.Columns().NotificationStatus, 0).
			Data(g.Map{
				dao.NotificationRecipients.Columns().NotificationStatus: 1,
				dao.NotificationRecipients.Columns().ReadTime:           time.Now().Format("2006-01-02 15:04:05"),
			}).
			Update()
		liberr.ErrIsNil(ctx, err)

		key := "notification:" + notificationInfo.Id
		exist, _ := g.Redis().Exists(ctx, key)
		if exist == 0 {
			g.Redis().Set(ctx, key, 1)
		} else {
			g.Redis().IncrBy(ctx, key, 1)
		}
	})
	liberr.ErrIsNil(ctx, err)

	copier.Copy(&notificationDetails, &notificationInfo)

	return &system.NotificationsDetailRes{
		List: notificationDetails,
	}, nil
}

// NotificationsGetPeople 获取通知公告的未读人员或已读人员
func (c *notificationsController) GetPeople(ctx context.Context, req *system.NotificationsGetPeopleReq) (*system.NotificationsGetPeopleRes, error) {
	// 初始化 NotificationsGetPeopleRes
	notificationGetPeople := system.NotificationsGetPeopleRes{}

	err := g.Try(ctx, func(ctx context.Context) {
		var err error

		// 根据通知ID获取通知详情
		m := dao.NotificationRecipients.Ctx(ctx).As("nr").
			Where("nr.notification_id = ?", dao.NotificationRecipients.Ctx(ctx).
				Where(dao.NotificationRecipients.Columns().Id, req.Id).
				Fields(dao.NotificationRecipients.Columns().NotificationId)).
			Where("nr.notification_status", req.Status)

		// 分页
		if req.PageNum == 0 {
			req.PageNum = 1
		}

		if req.PageSize == 0 {
			req.PageSize = 20
		}

		// 更新总数量和当前页
		notificationGetPeople.Total, err = m.Fields("DISTINCT nr.id").Count()
		notificationGetPeople.CurrentPage = req.PageNum

		// 用户信息
		notificationInfo := []model.NotificationsGetRes{}
		// 获取数据
		err = m.Page(req.PageNum, req.PageSize).
			InnerJoin("sys_user as su", "nr.recipient_id = su.id").
			Fields("nr.recipient_id,su.user_nickname,nr.read_time,su.mobile").
			Scan(&notificationInfo)
		liberr.ErrIsNil(ctx, err)

		// 根据用户 ID 去重
		notificationInfo = lo.UniqBy(notificationInfo, func(item model.NotificationsGetRes) int {
			return int(item.Id)
		})

		// 获取所有的用户的手机号
		userMobiles := lo.FilterMap(notificationInfo, func(item model.NotificationsGetRes, _ int) (string, bool) {
			if item.OrmMobile == "" { // 如果手机号为空则跳过
				return "", false
			}
			return item.OrmMobile, true
		})

		// 根据手机号在 bus_construction_user 表中获取用户的信息
		userInfoList := make([]entity.BusConstructionUser, 0, len(userMobiles))
		err = dao.BusConstructionUser.Ctx(ctx).WhereIn(dao.BusConstructionUser.Columns().Phone, userMobiles).
			Fields("phone,head_icon,pace_photo,user_name").Scan(&userInfoList)
		liberr.ErrIsNil(ctx, err)

		// Slice To Map
		// Key 为手机号，Value 为用户信息
		userMap := lo.Associate(userInfoList, func(user entity.BusConstructionUser) (string, entity.BusConstructionUser) {
			return user.Phone, user
		})

		for i, user := range notificationInfo {
			if cUser, ok := userMap[user.OrmMobile]; ok { // 如果小程序中存在与PC端用户相同的手机号
				// 如果在 "PC端" 中没有设置用户名
				if notificationInfo[i].Username == "" {
					// 优先使用小程序的真实姓名
					notificationInfo[i].Username = cUser.UserName

					if cUser.UserName == "" {
						notificationInfo[i].Username = cUser.NickName // 小程序的昵称作为备选
					}
				}

				var facePhoto string
				if cUser.PacePhoto != "" {
					facePhoto = cUser.PacePhoto // 优先使用实名人脸照
				} else if strings.Contains(cUser.HeadIcon, "data") {
					// 如果 Head_icon 是 Base64 编码的图片
					// 则将其转换为图片后保存到本地并更新数据库
					newHeadIcon, err := coryCommon.Base64ToImgFunc(cUser.HeadIcon, "1", coryCommon.Helmet)
					if err == nil {
						// 更新数据库仅当转换成功时
						_, err = dao.BusConstructionUser.Ctx(ctx).Where(dao.BusConstructionUser.Columns().Phone, cUser.Phone).Data(g.Map{
							dao.BusConstructionUser.Columns().HeadIcon: newHeadIcon,
						}).Update()
						facePhoto = newHeadIcon
					}
				} else {
					facePhoto = cUser.HeadIcon // Head_icon 登陆照片作为备选
				}

				// 设置 FacePhoto
				notificationInfo[i].FacePhoto = facePhoto
			}
		}
		copier.Copy(&notificationGetPeople.List, &notificationInfo)
	})
	liberr.ErrIsNil(ctx, err)

	return &notificationGetPeople, nil
}

func PublicPublish(ctx context.Context, req *system.NotificationsPublishReq, userID uint64) error {
	err := g.Try(ctx, func(ctx context.Context) {
		var (
			// 当前时间
			timeNow = time.Now().Format("2006-01-02 15:04:05")
			// 岗位名
			positions = strings.Builder{}
		)

		// PC 通知消息
		// 按岗位发布通知
		if len(req.Positions) > 0 {
			// 获取岗位下的所有用户
			userIDs, err := dao.SysUserPost.Ctx(ctx).Where("post_id in (?)", req.Positions).Fields(dao.SysUserPost.Columns().UserId).Distinct().Array()
			req.Users = lo.Map(userIDs, func(item *gvar.Var, _ int) int {
				return item.Int()
			})

			// 获取岗位对应的岗位名称
			postNames, err := dao.SysPost.Ctx(ctx).Where("post_id in (?)", req.Positions).Fields(dao.SysPost.Columns().PostName).Distinct().Array()
			// 拼接岗位名
			lo.ForEach(postNames, func(position *gvar.Var, _ int) {
				positions.WriteString(position.String())
				positions.WriteString(",")
			})

			liberr.ErrIsNil(ctx, err)
		}

		// App 通知
		// 如果 Users 和 Positions 都为空则通知该项目下的所有人
		if len(req.Users) == 0 && len(req.Positions) == 0 {
			// 获取项目下的所有用户
			projectUserIDs, err := wxDao.SysUserProjectRelevancy.Ctx(ctx).
				Where(wxDao.SysUserProjectRelevancy.Columns().ProjectId, req.ProjectId).
				Fields(wxDao.SysUserProjectRelevancy.Columns().UserId).Distinct().Array()
			liberr.ErrIsNil(ctx, err)

			constructionUserIDs, err := dao.BusConstructionUser.Ctx(ctx).As("bcs").
				InnerJoin("sys_user as su", "bcs.phone = su.mobile").
				Where("bcs.project_id", req.ProjectId).
				Fields("su.id").Distinct().Array()
			liberr.ErrIsNil(ctx, err)

			// 将两个用户ID列表合并并去重
			req.Users = lo.Uniq(lo.Map(append(projectUserIDs, constructionUserIDs...), func(item *gvar.Var, _ int) int {
				return item.Int()
			}))
		}

		// 在 Notifications 表中插入本次通知的数据
		notification := do.Notifications{
			Title:            req.NotificationTitle, // 通知标题
			NotificationText: req.NotificationText,  // 通知正文
			Route:            req.Route,             // 跳转的路由
			NotificationTime: timeNow,               // 通知时间
			Initiator:        userID,                // 发起人
			ProjectId:        req.ProjectId,         // 项目ID
			Positions:        positions.String(),    // 岗位名称
			IntroduceId:      req.ProjectNewsId,     // 关联的 PC 端项目新闻ID
		}

		// 如果是来自 App 的发布通知
		if req.IsApp != 0 {
			notification.IsApp = req.IsApp // 修改通知类型
		}

		// 如果是来自 App 的项目新闻
		// 需要同步一份给 PC 端
		if req.IsApp <= 2 && req.IsApp >= 1 {
			// 同步的项目新闻
			notificationText := req.NotificationText

			// 如果 req.file 不为空，则将其包装为富文本标签
			if len(req.Files) > 0 {
				images := lo.Map(req.Files, func(file *comModel.UpFile, _ int) string {
					return file.Url
				})

				// 将图片链接转换为富文本标签后附加到通知正文中
				notificationText += richtext.ConvertImageURLsToRichText(images)
			}

			// 为后台插入一份项目新闻
			introduceID, err := dao.SysProjectIntroduce.Ctx(ctx).Data(entity.SysProjectIntroduce{
				ProjectId: int64(req.ProjectId),
				Headline:  req.NotificationTitle,
				RichText:  notificationText,
				CreatedBy: gconv.String(userID),
			}).InsertAndGetId()
			liberr.ErrIsNil(ctx, err)

			// App 关联的项目新闻ID并移除富文本
			notification.IntroduceId = introduceID
			notification.NotificationText = richtext.RemoveRichText(req.NotificationText)
		}

		// 插入数据库后返回其`主键ID`
		lastInsertID, err := dao.Notifications.Ctx(ctx).InsertAndGetId(notification)
		liberr.ErrIsNil(ctx, err)

		// 如果不存在接收人则返回错误
		if len(req.Users) == 0 {
			liberr.ErrIsNil(ctx, fmt.Errorf("接收人不能为空"))
		}

		// 如果是 App 通知包含附件的的情况下
		if len(req.Files) > 0 {
			if err := saveNotificationFiles(ctx, lastInsertID, req.Files); err != nil {
				liberr.ErrIsNil(ctx, err)
			}
		}

		// 在 notification_recipients 表中为每个接收者插入一条数据
		var notificationsList []do.NotificationRecipients
		lo.ForEach(req.Users, func(item int, _ int) {
			notificationsList = append(notificationsList, do.NotificationRecipients{
				NotificationId:     lastInsertID,      // 通知ID
				RecipientId:        item,              // 接收者ID
				NotificationStatus: 0,                 // 0 未读
				IntroduceId:        req.ProjectNewsId, // 关联的PC 端项目新闻ID
			})
		})

		// 批量插入
		_, err = dao.NotificationRecipients.Ctx(ctx).Insert(notificationsList)
		liberr.ErrIsNil(ctx, err)
	})
	return err
}

// saveNotificationFiles 将上传的文件的信息保存到数据库
func saveNotificationFiles(ctx context.Context, notificationID int64, files []*comModel.UpFile) error {
	notificationFileList := make([]do.NotificationFiles, 0, len(files))
	for i := 0; i < len(files); i++ {
		notificationFileList = append(notificationFileList, do.NotificationFiles{
			NotificationId: notificationID,
			FileName:       files[i].Name,
			FilePath:       files[i].Url,
			FileType:       files[i].FileType,
			FileSize:       files[i].Size,
		})
	}

	_, err := dao.NotificationFiles.Ctx(ctx).Insert(notificationFileList)
	return err
}