package technology

import (
	"SciencesServer/app/api/admin/model"
	"SciencesServer/app/basic/controller"
	model2 "SciencesServer/app/common/model"
	"SciencesServer/app/session"
	"errors"
)

type Achievement struct {
	*session.Admin
}

type AchievementHandle func(session *session.Admin) *Achievement

type (
	// AchievementInfo 成果信息
	AchievementInfo struct {
		ID string `json:"id"`
		*model.TechnologyAchievementInfo
		Area string `json:"area"`
	}
	// AchievementDetailInfo 成果详细信息
	AchievementDetailInfo struct {
		ID       string `json:"id"`
		TenantID string `json:"tenant_id"`
		*model2.TechnologyAchievement
	}
)

// Instance 首页信息
func (c *Achievement) Instance(tenantID uint64, title string, page, pageSize int) (*controller.ReturnPages, error) {
	mTechnologyAchievement := model.NewTechnologyAchievement()

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

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

	out, err := mTechnologyAchievement.Achievement(page, pageSize, &count, where...)

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

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

// Detail 详细信息
func (c *Achievement) Detail(id uint64) (*AchievementDetailInfo, error) {
	mTechnologyAchievement := model.NewTechnologyAchievement()
	mTechnologyAchievement.ID = id

	isExist, err := model2.First(mTechnologyAchievement.TechnologyAchievement)

	if err != nil {
		return nil, err
	} else if !isExist {
		return nil, errors.New("操作错误，成果信息不存在或已被删除")
	}
	return &AchievementDetailInfo{
		ID:                    mTechnologyAchievement.GetEncodeID(),
		TenantID:              mTechnologyAchievement.GetEncodeTenantID(),
		TechnologyAchievement: mTechnologyAchievement.TechnologyAchievement,
	}, nil
}

func (c *Achievement) Delete(id uint64) error {
	mTechnologyAchievement := model.NewTechnologyAchievement()
	mTechnologyAchievement.ID = id

	isExist, err := model2.First(mTechnologyAchievement.TechnologyAchievement)

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

func NewAchievement() AchievementHandle {
	return func(session *session.Admin) *Achievement {
		return &Achievement{session}
	}
}