package model

import (
	"SciencesServer/app/common/model"
	"SciencesServer/serve/orm"
	"fmt"
	"time"
)

type ManageExpert struct {
	*model.ManageExpert
}

// ManageExpertInfo 专家信息
type ManageExpertInfo struct {
	model.Model
	Name         string    `json:"name"`
	Mobile       string    `json:"mobile"`
	Industry     string    `json:"-"`
	VisitCount   int       `json:"visit_count"`
	CollectCount int       `json:"collect_count"`
	SettledAt    time.Time `json:"settled_at"`
}

type ManageExpertCompanyVisitInfo struct {
	ManageExpertInfo
	CompanyName string    `json:"company_name"`
	VisitAt     time.Time `json:"visit_at"`
}

type ManageExpertInstanceInfo struct {
	*model.ManageExpert
	PatentTitle string `json:"-"`
	Research    string `json:"-"`
	Introduce   string `json:"introduce"`
}

// Expert 专家信息
func (m *ManageExpert) Instance(limit int, where ...*model.ModelWhere) ([]*ManageExpertInstanceInfo, error) {
	// 专利信息
	mSysPatent := model.NewSysPatent()
	// 用户专利信息
	mUserPatent := model.NewUserPatent()

	db := orm.GetDB().Table(m.TableName()+" AS e").
		Select("e.id", "e.name", "e.industry", "e.school", "e.major", "e.keyword",
			"p.title AS patent_title").
		Joins(fmt.Sprintf("LEFT JOIN %s AS e_u ON e.id = p.patent_id AND e_u.invalid_status = %d AND e_u.is_deleted = %d",
			model.NewUserExpert().TableName(), model.InvalidStatusForNot, model.DeleteStatusForNot)).
		Joins(fmt.Sprintf(`LEFT JOIN (SELECT u.uid, SUBSTRING_INDEX(GROUP_CONCAT(p.title ORDER BY p.id DESC SEPARATOR '&&'), '&&', %d) AS title
FROM %s AS u LEFT JOIN %s AS p ON u.parent_id = p.id WHERE u.is_deleted = %d AND p.shelf_status = %d) AS p ON e_u.uid = p.uid`,
			limit, mUserPatent.TableName(), mSysPatent.TableName(), model.DeleteStatusForNot, model.ShelfStatusForUp)).
		Where("e.examine_status = ?", model.ExamineStatusForAgree).
		Where("e.is_deleted = ?", model.DeleteStatusForNot)

	if len(where) > 0 {
		for _, v := range where {
			db = db.Where(v.Condition, v.Value)
		}
	}
	out := make([]*ManageExpertInstanceInfo, 0)

	if err := db.Order("e.id " + model.OrderModeToDesc).Scan(&out).Error; err != nil {
		return nil, err
	}
	return out, nil
}

// Detail 专家信息
func (m *ManageExpert) Detail(limit int, id uint64) (*ManageExpertInstanceInfo, error) {
	// 专利信息
	mSysPatent := model.NewSysPatent()
	// 用户专利信息
	mUserPatent := model.NewUserPatent()

	db := orm.GetDB().Table(m.TableName()+" AS e").
		Select("e.id", "e.name", "e.industry", "e.school", "e.major", "e.keyword", "e.research", "e.introduce",
			"p.title AS patent_title").
		Joins(fmt.Sprintf("LEFT JOIN %s AS e_u ON e.id = p.patent_id AND e_u.invalid_status = %d AND e_u.is_deleted = %d",
			model.NewUserExpert().TableName(), model.InvalidStatusForNot, model.DeleteStatusForNot)).
		Joins(fmt.Sprintf(`LEFT JOIN (SELECT u.uid, SUBSTRING_INDEX(GROUP_CONCAT(p.title ORDER BY p.id DESC SEPARATOR '&&'), '&&', %d) AS title
FROM %s AS u LEFT JOIN %s AS p ON u.parent_id = p.id WHERE u.is_deleted = %d AND p.shelf_status = %d) AS p ON e_u.uid = p.uid`,
			limit, mUserPatent.TableName(), mSysPatent.TableName(), model.DeleteStatusForNot, model.ShelfStatusForUp)).
		Where("e.id = ?", id)

	out := new(ManageExpertInstanceInfo)

	if err := db.Scan(&out).Error; err != nil {
		return nil, err
	}
	return out, nil
}

// Experts 专家信息
func (m *ManageExpert) Experts(page, pageSize int, count *int64, where ...*model.ModelWhere) ([]*ManageExpertInfo, error) {
	db := orm.GetDB().Table(m.TableName()+" e").
		Select("e.id", "e.name", "e.mobile", "e.industry", "v.count AS visit_count", "c.count AS collect_count",
			"e.examine_at AS settled_at").
		Joins(fmt.Sprintf("LEFT JOIN (SELECT object_id, SUM(count) AS count FROM %s WHERE kind = %d AND is_deleted = %d GROUP BY object_id) AS v ON e.id = v.object_id",
			model.NewUserVisit().TableName(), model.UserVisitKindForExpert, model.DeleteStatusForNot)).
		Joins(fmt.Sprintf("LEFT JOIN (SELECT object_id, COUNT(id) AS count FROM %s WHERE kind = %d AND is_deleted = %d GROUP BY object_id) AS c ON e.id = c.object_id",
			model.NewUserCollect().TableName(), model.UserCollectKindForExpert, model.DeleteStatusForNot)).
		Where("e.examine_status = ? AND e.is_deleted = ?", model.ExamineStatusForAgree, model.DeleteStatusForNot)

	if len(where) > 0 {
		for _, v := range where {
			if v.Condition == "" {
				db.Where(v.Value)
				continue
			}
			db = db.Where(v.Condition, v.Value)
		}
	}
	out := make([]*ManageExpertInfo, 0)

	if err := db.Count(count).Error; err != nil {
		return nil, err
	}
	if err := db.Order("e.id " + model.OrderModeToDesc).Offset((page - 1) * pageSize).Limit(pageSize).Scan(&out).Error; err != nil {
		return nil, err
	}
	return out, nil
}

// CompanyVisit 公司浏览记录
func (m *ManageExpert) CompanyVisit(page, pageSize int, count *int64, where ...*model.ModelWhere) ([]*ManageExpertCompanyVisitInfo, error) {
	db := orm.GetDB().Table(m.TableName()+" e").
		Select("e.id", "e.name", "e.mobile", "e.industry", "v.count AS visit_count", "v.date AS visit_at",
			"c.name AS company_name").
		Joins(fmt.Sprintf("LEFT JOIN %s AS v ON e.id = v.object_id AND v.kind = %d AND v.is_deleted = %d",
			model.NewUserVisit().TableName(), model.UserVisitKindForCompany, model.DeleteStatusForNot)).
		Joins(fmt.Sprintf("LEFT JOIN %s AS u_c ON v.uid = u_c.uid AND u_c.invalid_status = %d",
			model.NewUserCompany().TableName(), model.InvalidStatusForNot)).
		Joins(fmt.Sprintf("LEFT JOIN %s AS c ON u_c.company_id = c.id", model.NewManageCompany().TableName())).
		Where("e.examine_status = ? AND e.is_deleted = ?", model.ExamineStatusForAgree, model.DeleteStatusForNot)

	if len(where) > 0 {
		for _, v := range where {
			if v.Condition == "" {
				db.Where(v.Value)
				continue
			}
			db = db.Where(v.Condition, v.Value)
		}
	}
	out := make([]*ManageExpertCompanyVisitInfo, 0)

	if err := db.Count(count).Error; err != nil {
		return nil, err
	}
	if err := db.Order("e.id " + model.OrderModeToDesc).Offset((page - 1) * pageSize).Limit(pageSize).Scan(&out).Error; err != nil {
		return nil, err
	}
	return out, nil
}

func NewManageExpert() *ManageExpert {
	return &ManageExpert{model.NewManageExpert()}
}