package models

import (
	"eta_gn/eta_report/global"
	"eta_gn/eta_report/utils"
	"time"
)

const (
	// 事件类型-事件库
	KnowledgeResourceTypeEvent = iota
	// 事件-政策库
	KnowledgeResourceTypePolicy
	// 事件-报告库
	KnowledgeResourceTypeReport
	// 事件类型-知识库
	KnowledgeResourceTypeKnow
	// 事件-观点库
	KnowledgeResourceTypeOpinion
)

const (
	// 未发布
	KnowledgeResourceStateUnpublished = iota
	// 已发布
	KnowledgeResourceStatePublished
	// 待审批
	KnowledgeResourceStatePending
	// 已驳回
	KnowledgeResourceStateRejected
	// 已通过
	KnowledgeResourceStateApproved
)

const (
	// 内部
	KnowledgeOutSourceInternal = iota
	// 智力共享
	KnowledgeOutSourceIntelligence
	// 数据节点
	KnowledgeOutSourceDataNode
)

type KnowledgeResourceFile struct {
	KnowledgeResourceFileId int    `gorm:"column:knowledge_resource_file_id;primaryKey;autoIncrement"`
	KnowledgeResourceId     int    `gorm:"column:knowledge_resource_id"`
	FileUrl                 string `gorm:"column:file_url"`
}

func (k KnowledgeResourceFile) TableName() string {
	return "knowledge_resource_file"
}

type KnowledgeResource struct {
	KnowledgeResourceId int        `gorm:"column:knowledge_resource_id;;primaryKey;autoIncrement"`
	ResourceType        int        `gorm:"column:resource_type;"`
	ClassifyId          int        `gorm:"column:classify_id"`
	Title               string     `gorm:"column:title;"`
	CreateTime          time.Time  `gorm:"column:create_time" description:"创建时间"`
	ModifyTime          time.Time  `gorm:"column:modify_time;autoUpdateTime" description:"修改时间"`
	State               int        `gorm:"column:state" description:"0:未发布；1:已发布；2:待审批；3:已驳回；4:已通过"`
	Content             string     `gorm:"column:content"`
	ResourceCode        string     `gorm:"column:resource_code"`
	AdminId             int        `gorm:"column:admin_id" description:"创建者账号"`
	AdminRealName       string     `gorm:"column:admin_real_name" description:"创建者姓名"`
	SourceFrom          string     `gorm:"column:source_from"`
	TagId               int        `gorm:"column:tag_id;default:0;NOT NULL"`
	StartTime           *time.Time `gorm:"column:start_time"`
	EndTime             *time.Time `gorm:"column:end_time"`
	IsFile              int        `gorm:"column:is_file;default:0;NOT NULL"`
	FileUrl             string     `gorm:"column:file_url"`
	OutId               int        `gorm:"column:out_id" description:"外部系统ID"`
	IsDelete            int        `gorm:"column:is_delete;default:0;NOT NULL"`
	OutSource           int        `gorm:"column:out_source" description:"外部来源:0:内部 1:智力共享 2：数据节点"`
}

func (k KnowledgeResource) TableName() string {
	return "knowledge_resource"
}

func (k *KnowledgeResource) Create(fileUrl []string) (err error) {
	tx := global.DEFAULT_DmSQL.Begin()
	defer func() {
		if err != nil {
			tx.Rollback()
		} else {
			tx.Commit()
		}
	}()
	err = tx.Create(k).Error
	if len(fileUrl) > 0 {
		addFile := make([]*KnowledgeResourceFile, 0, len(fileUrl))
		for _, url := range fileUrl {
			file := new(KnowledgeResourceFile)
			file.KnowledgeResourceId = k.KnowledgeResourceId
			file.FileUrl = url
			addFile = append(addFile, file)
		}
		err = tx.CreateInBatches(addFile, utils.MultiAddNum).Error
	}
	return
}

func (k *KnowledgeResource) Update(cols []string) error {
	return global.DEFAULT_DmSQL.Model(k).Select(cols).Updates(k).Error
}

// GetKnowledgeResourceByOutId 根据外部系统ID获取知识资源
func (k *KnowledgeResource) GetKnowledgeResourceByOutId(outId int) (item *KnowledgeResource, err error) {
	sql := "SELECT * FROM knowledge_resource WHERE out_id = ?"
	err = global.DEFAULT_DmSQL.Raw(sql, outId).First(&item).Error
	return
}

type KnowledgeClassify struct {
	ClassifyId   int       `gorm:"primaryKey;column:classify_id"`
	ClassifyName string    `gorm:"column:classify_name;default:'';type:varchar(125);not null"` // 注意：varchar的默认长度可能需要根据实际情况调整
	Sort         int       `gorm:"column:sort;default:0;type:tinyint"`
	ParentId     int       `gorm:"column:parent_id;default:0;type:int"`
	CreateTime   time.Time `gorm:"column:create_time;default:CURRENT_TIMESTAMP"`
	ModifyTime   time.Time `gorm:"column:modify_time;default:CURRENT_TIMESTAMP"`
	Enabled      int       `gorm:"column:enabled;default:1;type:tinyint"`
	Level        int       `gorm:"column:level;default:0;type:bigint"`
	ResourceType int       `gorm:"column:resource_type;default:0;not null;type:tinyint"`
}

func (k KnowledgeClassify) TableName() string {
	return "knowledge_classify"
}

func (k *KnowledgeClassify) Create() error {
	return global.DEFAULT_DmSQL.Create(k).Error
}

func (k *KnowledgeClassify) GetClassifyByNameTypeAndParentId(classifyName string, resourceType, parentId int) (items *KnowledgeClassify, err error) {
	sql := "SELECT * FROM knowledge_classify WHERE classify_name = ? AND resource_type = ? AND parent_id = ?"
	err = global.DEFAULT_DmSQL.Raw(sql, classifyName, resourceType, parentId).First(&items).Error
	return
}

func (k *KnowledgeClassify) GetClassifysByNameAndType(classifyName string, resourceType int) (item *KnowledgeClassify, err error) {
	sql := "SELECT * FROM knowledge_classify WHERE classify_name = ? AND resource_type = ?"
	err = global.DEFAULT_DmSQL.Raw(sql, classifyName, resourceType).Find(&item).Error
	return
}

func (k *KnowledgeClassify) GetChildClassifyIdByNamePath(resourceType int, classifyNameFirst string, classifyNameSecond string, classifyNameThird string) (id int, err error) {
	sql := `SELECT 
    c3.classify_id AS id
	FROM knowledge_classify c1 
	JOIN knowledge_classify c2 ON c2.parent_id = c1.classify_id 
					AND c2.classify_name = ? 
					AND c2.level = 2
	JOIN knowledge_classify c3 ON c3.parent_id = c2.classify_id 
					AND c3.classify_name = ?
					AND c3.level = 3
	WHERE c1.classify_name = ?
	AND c1.level = 1 AND c1.resource_type = ?`
	err = global.DEFAULT_DmSQL.Raw(sql, classifyNameSecond, classifyNameThird, classifyNameFirst, resourceType).Scan(&id).Error
	return
}