package model

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

type TechnologyAchievement struct {
	*model.TechnologyAchievement
}

type TechnologyAchievementInfo struct {
	model.Model
	Title      string `json:"title"`
	Industry   string `json:"-"`
	VisitCount int    `json:"visit_count"`
	model.Shelf
	CreatedAt time.Time `json:"created_at"`
}

type TechnologyAchievementInstance struct {
	TechnologyAchievementInfo
	Customer        string                              `json:"-"`
	LeadStandard    model.TechnologyProductLeadStandard `json:"lead_standard"`
	CooperationMode config.TechnologyCooperationMode    `json:"cooperation_mode"`
	Keyword         string                              `json:"-"`
	CollectCount    int                                 `json:"collect_count"`
}

// TechnologyAchievementsInfo 技术成果信息
type TechnologyAchievementsInfo struct {
	*model.TechnologyAchievement
	VisitCount   int `json:"visit_count"`
	CollectCount int `json:"collect_count"`
}

// Achievements 成果信息
func (m *TechnologyAchievement) Achievements(page, pageSize int, count *int64, where ...*model.ModelWhere) ([]*TechnologyAchievementsInfo, error) {
	db := orm.GetDB().Table(m.TableName()+" AS a").
		Select("a.id", "a.title", "a.mode", "a.image", "a.charge_info", "a.industry", "a.customer", "a.maturity",
			"a.cooperation_mode", "a.keyword", "v.count AS visit_count", "c.count AS collect_count").
		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 a.id = v.object_id",
			model.NewUserVisit().TableName(), model.UserCollectKindForTechnologyAchievement, 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 a.id = c.object_id",
			model.NewUserCollect().TableName(), model.UserCollectKindForTechnologyAchievement, model.DeleteStatusForNot)).
		Where("a.status = ?", model.TechnologyStatusKindForAgree).
		Where("a.is_deleted = ?", model.DeleteStatusForNot)

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

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

// Instance 成果信息
func (m *TechnologyAchievement) Instance(where ...*model.ModelWhere) ([]*TechnologyAchievementInstance, error) {
	db := orm.GetDB().Table(m.TableName()+" AS a").
		Select("a.id", "a.title", "a.industry", "v.count AS visit_count", "c.count AS collect_count",
			"a.customer", "a.lead_standard", "a.cooperation_mode", "a.keyword", "a.created_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 a.id = v.object_id",
			model.NewUserVisit().TableName(), model.UserVisitKindForTechnologyAchievement, 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 a.id = c.object_id",
			model.NewUserCollect().TableName(), model.UserCollectKindForTechnologyAchievement, model.DeleteStatusForNot)).
		Where("a.is_deleted = ?", model.DeleteStatusForNot)

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

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

// Achievement 成果信息
func (m *TechnologyAchievement) Achievement(page, pageSize int, count *int64, where ...*model.ModelWhere) ([]*TechnologyAchievementInfo, error) {
	db := orm.GetDB().Table(m.TableName()+" AS a").
		Select("a.id", "a.title", "a.industry", "v.count AS visit_count", "a.shelf_status", "a.created_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 a.id = v.object_id",
			model.NewUserVisit().TableName(), model.UserCollectKindForTechnologyAchievement, model.DeleteStatusForNot)).
		Where("a.is_deleted = ?", model.DeleteStatusForNot)

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

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

func NewTechnologyAchievement() *TechnologyAchievement {
	return &TechnologyAchievement{model.NewTechnologyAchievement()}
}