package activity

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

type Apply struct {
	*session.Admin
}

type ApplyHandle func(session *session.Admin) *Apply

type (
	// ApplyInfo 申请信息
	ApplyInfo struct {
		ID       string `json:"id"`
		TenantID string `json:"tenant_id"`
		*model.ActivityApplyInfo
		Area string `json:"area"`
	}
	// ApplyDetailInfo 申请详细信息
	ApplyDetailInfo struct {
		ID       string `json:"id"`
		TenantID string `json:"tenant_id"`
		*model.ActivityApplyInfo
	}
)

// Instance 申请信息
func (c *Apply) Instance(tenantID uint64, title, contact string, page, pageSize int) (*controller.ReturnPages, error) {
	mActivityApply := model.NewActivityApply()

	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))
	}
	var count int64

	out, err := mActivityApply.Apply(page, pageSize, &count, where...)

	if err != nil {
		return nil, err
	}

	list := make([]*ApplyInfo, 0)

	for _, v := range out {
		v.Image.Image = v.Analysis(config.SettingInfo.Domain)
		list = append(list, &ApplyInfo{
			ID:                v.GetEncodeID(),
			TenantID:          v.GetEncodeTenantID(),
			ActivityApplyInfo: v,
			Area:              v.FormatBasic(),
		})
	}
	return &controller.ReturnPages{Data: list, Count: count}, nil
}

// Detail 详细信息
func (c *Apply) Detail(id uint64) (*ApplyDetailInfo, error) {
	mActivityApply := model.NewActivityApply()
	out, err := mActivityApply.Detail(id)

	if err != nil {
		return nil, err
	}
	out.Image.Image = out.Analysis(config.SettingInfo.Domain)

	return &ApplyDetailInfo{
		ID:                out.GetEncodeID(),
		TenantID:          out.GetEncodeTenantID(),
		ActivityApplyInfo: out,
	}, nil
}

// Handle 处理操作
func (c *Apply) Handle(id uint64, remark string) error {
	mActivityApply := model.NewActivityApply()
	mActivityApply.ID = id

	isExist, err := model2.FirstField(mActivityApply.ActivityApply, []string{"id", "tenant_id", "status"})

	if 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")
	}
	return orm.GetDB().Transaction(func(tx *gorm.DB) error {
		mActivityApply.Status = model2.ActivityApplyStatusForProcessed

		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.UID = c.UID
		mActivityApplyLog.ApplyID = mActivityApply.ID
		mActivityApplyLog.Remark = remark
		return model2.Create(mActivityApplyLog.ActivityApplyLog, tx)
	})
}

// Delete 删除操作
func (c *Apply) Delete(id uint64) error {
	mActivityApply := model.NewActivityApply()
	mActivityApply.ID = id

	isExist, err := model2.FirstField(mActivityApply.ActivityApply, []string{"id", "tenant_id", "status"})

	if 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")
	}
	return model2.Delete(mActivityApply.ActivityApply)
}

func NewApply() ApplyHandle {
	return func(session *session.Admin) *Apply {
		return &Apply{session}
	}
}