package activity

import (
	"SciencesServer/app/api/admin/model"
	"SciencesServer/app/basic/config"
	"SciencesServer/app/basic/controller"
	model2 "SciencesServer/app/common/model"
	"SciencesServer/app/session"
	"SciencesServer/serve/orm"
	"SciencesServer/utils"
	"errors"
	"gorm.io/gorm"
	"strings"
	"time"
)

type Instance struct {
	*session.Admin
}

type InstanceHandle func(session *session.Admin) *Instance

type (
	// InstanceInfo 活动信息
	InstanceInfo struct {
		ID string `json:"id"`
		*model.ActivityInstanceInfo
		Area     string `json:"area"`
		Industry string `json:"industry"`
	}
	// InstanceDetailInfo 活动详细信息
	InstanceDetailInfo struct {
		ID       string `json:"id"`
		TenantID string `json:"tenant_id"`
		*model2.ActivityInstance
		Industrys []string `json:"industrys"`
	}
	// InstanceParams 活动参数信息
	InstanceParams struct {
		ID, ApplyID, TenantID                                      uint64
		Title, Contact, ContactMobile, Image, Description, Content string
		BeginAt, FinishAt, JoinDeadline                            string
		config.Area
		Industrys                                    []string
		Amount                                       float64
		MaxNumber, NotifyCrowd, IsHome, Sort, Status int
	}
	// InstanceJoinInfo 活动报名信息
	InstanceJoinInfo struct {
		ID string `json:"id"`
		*model.ActivityJoinInfo
	}
)

// notify 执行通知
func (c *Instance) notify() {

}

// Index 活动信息
func (c *Instance) Index(tenantID uint64, title, contact, contactMobile string, page, pageSize int) (*controller.ReturnPages, error) {
	mActivityInstance := model.NewActivityInstance()

	where := make([]*model2.ModelWhere, 0)

	if c.TenantID > 0 {
		where = append(where, model2.NewWhere("a.tenant_id", c.TenantID))
	}
	if tenantID > 0 {
		where = append(where, model2.NewWhere("a.tenant_id", tenantID))
	}
	if title != "" {
		where = append(where, model2.NewWhereLike("a.title", title))
	}
	if contact != "" {
		where = append(where, model2.NewWhereLike("a.contact", title))
	}
	if contactMobile != "" {
		where = append(where, model2.NewWhereLike("a.contact_mobile", title))
	}
	var count int64

	out, err := mActivityInstance.Activity(page, pageSize, &count, where...)

	if err != nil {
		return nil, err
	}
	list := make([]*InstanceInfo, 0)

	for _, v := range out {
		_industry := make([]string, 0)

		for _, v := range v.GetIndustryAttribute() {
			_industry = append(_industry, config.GetIndustryInfo(v, "-", "/").Value)
		}
		list = append(list, &InstanceInfo{
			ID:                   v.GetEncodeID(),
			ActivityInstanceInfo: v,
			Area:                 v.FormatBasic(),
			Industry:             strings.Join(_industry, "；"),
		})
	}
	return &controller.ReturnPages{Data: list, Count: count}, nil
}

// Detail 详细信息
func (c *Instance) Detail(id uint64) (*InstanceDetailInfo, error) {
	mActivityInstance := model.NewActivityInstance()
	mActivityInstance.ID = id

	isExist, err := model2.First(mActivityInstance.ActivityInstance)

	if err != nil {
		return nil, err
	} else if !isExist {
		return nil, errors.New("操作错误，活动信息不存在或已被删除")
	}
	return &InstanceDetailInfo{
		ID:               mActivityInstance.GetEncodeID(),
		TenantID:         mActivityInstance.GetEncodeTenantID(),
		ActivityInstance: mActivityInstance.ActivityInstance,
		Industrys:        mActivityInstance.GetIndustryAttribute(),
	}, nil
}

// Form 数据操作
func (c *Instance) Form(params *InstanceParams) error {
	mActivityInstance := model.NewActivityInstance()

	if params.ID > 0 {
		mActivityInstance.ID = params.ID

		isExist, err := model2.FirstField(mActivityInstance.ActivityInstance, []string{"id", "tenant_id", "created_at"})

		if err != nil {
			return err
		} else if !isExist {
			return errors.New("操作错误，活动信息不存在或已被删除")
		}
		if c.TenantID > 0 && mActivityInstance.TenantID != c.TenantID {
			return errors.New("操作错误，无权限操作")
		}
	}
	mActivityInstance.Title = params.Title
	mActivityInstance.Contact = params.Contact
	mActivityInstance.ContactMobile = params.ContactMobile
	mActivityInstance.BeginAt = utils.DateTimeToTime(params.BeginAt)
	mActivityInstance.FinishAt = utils.DateTimeToTime(params.FinishAt)
	mActivityInstance.JoinDeadline = utils.DateTimeToTime(params.JoinDeadline)
	mActivityInstance.Area = model2.Area{
		Province: params.Province, City: params.City, District: params.District, Address: params.Address,
	}
	mActivityInstance.Image.Image = params.Image
	mActivityInstance.SetIndustryAttribute(params.Industrys)
	mActivityInstance.Amount = params.Amount
	mActivityInstance.MaxNumber = params.MaxNumber
	mActivityInstance.NotifyCrowd = params.NotifyCrowd
	mActivityInstance.IsHome = params.IsHome
	mActivityInstance.Sort = params.Sort
	mActivityInstance.Description = params.Description
	mActivityInstance.Content = params.Content
	mActivityInstance.Status = model2.ActivityInstanceStatus(params.Status)

	if mActivityInstance.ID > 0 {
		if c.TenantID <= 0 {
			mActivityInstance.TenantID = params.TenantID
		}
		return model2.Updates(mActivityInstance.ActivityInstance, mActivityInstance.ActivityInstance)
	}
	return orm.GetDB().Transaction(func(tx *gorm.DB) error {
		mActivityInstance.TenantID = params.TenantID

		if c.TenantID > 0 {
			mActivityInstance.TenantID = c.TenantID
		}
		err := model2.Create(mActivityInstance.ActivityInstance)

		if err != nil {
			return err
		}
		if params.ApplyID > 0 {
			mActivityApply := model.NewActivityApply()
			mActivityApply.ID = params.ApplyID

			isExist := false

			if isExist, err = model2.FirstField(mActivityApply.ActivityApply, []string{"id", "tenant_id", "status"}); err != nil {
				return err
			} else if !isExist {
				return errors.New("操作错误，活动申请信息不存在或已被删除")
			}
			if c.TenantID > 0 && mActivityApply.TenantID != c.TenantID {
				return errors.New("操作错误，无权限操作")
			}
			if mActivityApply.Status != model2.ActivityApplyStatusForProcessing {
				return errors.New("操作错误，活动申请信息状态发生变化，不可处理")
			}
			if err = model2.Updates(mActivityApply.ActivityApply, map[string]interface{}{
				"status": model2.ActivityApplyStatusForProcessed, "updated_at": time.Now(),
			}, tx); err != nil {
				return err
			}
			mActivityApplyLog := model.NewActivityApplyLog()
			mActivityApplyLog.ApplyID = mActivityApply.ID
			mActivityApplyLog.Remark = "创建活动"
			return model2.Create(mActivityApplyLog.ActivityApplyLog, tx)
		}
		return nil
	})
}

// Delete 删除操作
func (c *Instance) Delete(id uint64) error {
	mActivityInstance := model.NewActivityInstance()
	mActivityInstance.ID = id

	isExist, err := model2.FirstField(mActivityInstance.ActivityInstance, []string{"id", "tenant_id"})

	if err != nil {
		return err
	} else if !isExist {
		return errors.New("操作错误，活动信息不存在或已被删除")
	}
	if c.TenantID > 0 && c.TenantID != mActivityInstance.TenantID {
		return errors.New("操作错误，无权限操作")
	}
	return model2.Delete(mActivityInstance.ActivityInstance)
}

func (c *Instance) Joins(activityID uint64, name string, page, pageSize int) (*controller.ReturnPages, error) {
	mActivityJoin := model.NewActivityJoin()

	where := []*model2.ModelWhere{model2.NewWhere("j.activity_id", activityID)}

	if name != "" {
		where = append(where, model2.NewWhereLike("u_i.name", name))
	}
	var count int64

	out, err := mActivityJoin.Join(page, pageSize, &count, where...)

	if err != nil {
		return nil, err
	}
	list := make([]*InstanceJoinInfo, 0)

	for _, v := range out {
		list = append(list, &InstanceJoinInfo{
			ID:               v.GetEncodeID(),
			ActivityJoinInfo: v,
		})
	}
	return &controller.ReturnPages{Data: list, Count: count}, nil
}

func NewInstance() InstanceHandle {
	return func(session *session.Admin) *Instance {
		return &Instance{session}
	}
}