package services

import (
	"encoding/json"
	"eta/eta_api/cache"
	"eta/eta_api/models/rag"
	"eta/eta_api/models/system"
	"eta/eta_api/utils"
	"fmt"
	"time"
)

// AddGenerateAbstractTask
// @Description: 添加全部报告（微信文章/ETA报告）生成摘要任务
// @author: Roc
// @datetime 2025-04-16 17:02:18
// @param question *rag.Question
// @param sysUser *system.Admin
func AddGenerateAbstractTask(question *rag.Question, sysUser *system.Admin) {
	// 找出所有公众号文章Id
	wechatArticleIdList, err := getAllWechatArticleIdList()
	if err != nil {
		return
	}

	// 找出所有Eta报告
	ragEtaReportIdList, err := getAllEtaReportIdList()
	if err != nil {
		return
	}

	taskName := fmt.Sprintf("自动生成摘要%s-%s", time.Now().Format(utils.FormatShortDateTimeUnSpace), question.QuestionTitle)

	aiTask := &rag.AiTask{
		AiTaskID: 0,
		TaskName: taskName,
		TaskType: utils.AI_TASK_TYPE_GENERATE_ABSTRACT,
		Status:   "init",
		//StartTime:               time.Time{},
		//EndTime:                 time.Time{},
		CreateTime:   time.Now(),
		UpdateTime:   time.Now(),
		Parameters:   fmt.Sprint(question.QuestionId),
		Logs:         "",
		Errormessage: "",
		Priority:     0,
		RetryCount:   0,
		//EstimatedCompletionTime: time.Time{},
		//ActualCompletitonTime:   time.Time{},
		Remark:          "",
		SysUserID:       sysUser.AdminId,
		SysUserRealName: sysUser.RealName,
	}

	taskRecordList := make([]*rag.AiTaskRecord, 0)
	// 微信文章
	for _, wechatArticleId := range wechatArticleIdList {
		param := rag.QuestionGenerateAbstractParam{
			QuestionId:  question.QuestionId,
			ArticleType: `wechat_article`,
			ArticleId:   wechatArticleId,
		}
		paramByte, tmpErr := json.Marshal(param)
		if tmpErr != nil {
			return
		}
		taskRecord := &rag.AiTaskRecord{
			AiTaskRecordID: 0,
			AiTaskID:       0,
			Parameters:     string(paramByte),
			Status:         "待处理",
			Remark:         "",
			ModifyTime:     time.Now(),
			CreateTime:     time.Now(),
		}
		taskRecordList = append(taskRecordList, taskRecord)
	}

	// eta报告
	for _, ragEtaReportId := range ragEtaReportIdList {
		param := rag.QuestionGenerateAbstractParam{
			QuestionId:  question.QuestionId,
			ArticleType: `rag_eta_report`,
			ArticleId:   ragEtaReportId,
		}
		paramByte, tmpErr := json.Marshal(param)
		if tmpErr != nil {
			return
		}
		taskRecord := &rag.AiTaskRecord{
			AiTaskRecordID: 0,
			AiTaskID:       0,
			Parameters:     string(paramByte),
			Status:         "待处理",
			Remark:         "",
			ModifyTime:     time.Now(),
			CreateTime:     time.Now(),
		}
		taskRecordList = append(taskRecordList, taskRecord)
	}

	// 创建AI模块的任务，用于后面的任务调度去生成摘要
	err = rag.AddAiTask(aiTask, taskRecordList)
	if err != nil {
		return
	}

	// 添加到缓存队列中
	go addTaskToCache(aiTask.AiTaskID)

	return
}

func addTaskToCache(aiTaskId int) {
	var err error
	defer func() {
		if err != nil {
			utils.FileLog.Error("addTaskToCache error: %v", err)
		}
	}()
	obj := rag.AiTaskRecord{}
	list, err := obj.GetAllListByCondition("*", ` AND ai_task_id = ? `, []interface{}{aiTaskId})
	if err != nil {
		return
	}
	for _, item := range list {
		cache.AddAiTaskRecordOpToCache(item.AiTaskRecordID)
	}
}

// getAllWechatArticleIdList
// @Description: 获取所有的微信文章Id列表
// @author: Roc
// @datetime 2025-04-16 17:18:31
// @return wechatArticleIdList []int
// @return err error
func getAllWechatArticleIdList() (wechatArticleIdList []int, err error) {
	wechatArticleIdList = make([]int, 0)
	pageSize := 10000
	currentIndex := 1

	// 注意，默认是10000条，如果超过10000条，需要分页查询
	// 避免死循环
	for {
		tmpWechatArticleIdList, tmpErr := getWechatArticleIdList(currentIndex, pageSize)
		if tmpErr != nil {
			return
		}
		wechatArticleIdList = append(wechatArticleIdList, tmpWechatArticleIdList...)
		if len(tmpWechatArticleIdList) < pageSize {
			return
		}
		currentIndex++

		// 超过100次，那么也退出，避免死循环
		if currentIndex > 100 {
			return
		}
	}

}

// getWechatArticleIdList
// @Description: 分页获取微信文章Id列表
// @author: Roc
// @datetime 2025-04-16 17:18:44
// @param currentIndex int
// @param pageSize int
// @return wechatArticleIdList []int
// @return err error
func getWechatArticleIdList(currentIndex, pageSize int) (wechatArticleIdList []int, err error) {
	wechatArticleIdList = make([]int, 0)
	var condition string
	var pars []interface{}

	var startSize int
	if pageSize <= 0 {
		pageSize = utils.PageSize20
	}
	if currentIndex <= 0 {
		currentIndex = 1
	}
	startSize = utils.StartIndex(currentIndex, pageSize)

	condition += fmt.Sprintf(` AND %s = ? `, rag.WechatArticleColumns.IsDeleted)
	pars = append(pars, 0)

	obj := new(rag.WechatArticle)
	list, err := obj.GetListByCondition(` wechat_article_id `, condition, pars, startSize, pageSize)
	if err != nil {
		return
	}
	for _, item := range list {
		wechatArticleIdList = append(wechatArticleIdList, item.WechatArticleId)
	}

	return
}

// getAllEtaReportIdList
// @Description: 获取所有的eta报告Id列表
// @author: Roc
// @datetime 2025-04-16 17:19:29
// @return ragEtaReportIdList []int
// @return err error
func getAllEtaReportIdList() (ragEtaReportIdList []int, err error) {
	ragEtaReportIdList = make([]int, 0)
	pageSize := 10000
	currentIndex := 1

	// 注意，默认是10000条，如果超过10000条，需要分页查询
	// 避免死循环
	for {
		tmpRagEtaReportIdList, tmpErr := getEtaReportIdList(currentIndex, pageSize)
		if tmpErr != nil {
			return
		}
		ragEtaReportIdList = append(ragEtaReportIdList, tmpRagEtaReportIdList...)
		if len(tmpRagEtaReportIdList) < pageSize {
			return
		}
		currentIndex++

		// 超过100次，那么也退出，避免死循环
		if currentIndex > 100 {
			return
		}
	}

}

// getEtaReportIdList
// @Description: 分页获取eta报告Id列表
// @author: Roc
// @datetime 2025-04-16 17:19:14
// @param currentIndex int
// @param pageSize int
// @return ragEtaReportIdList []int
// @return err error
func getEtaReportIdList(currentIndex, pageSize int) (ragEtaReportIdList []int, err error) {
	ragEtaReportIdList = make([]int, 0)
	var condition string
	var pars []interface{}

	var startSize int
	if pageSize <= 0 {
		pageSize = utils.PageSize20
	}
	if currentIndex <= 0 {
		currentIndex = 1
	}
	startSize = utils.StartIndex(currentIndex, pageSize)

	condition += fmt.Sprintf(` AND %s = ? AND %s = ? `, rag.RagEtaReportColumns.IsDeleted, rag.RagEtaReportColumns.IsPublished)
	pars = append(pars, 0, 1)

	obj := new(rag.RagEtaReport)
	list, err := obj.GetListByCondition(` rag_eta_report_id `, condition, pars, startSize, pageSize)
	if err != nil {
		return
	}
	for _, item := range list {
		ragEtaReportIdList = append(ragEtaReportIdList, item.RagEtaReportId)
	}

	return
}

// CheckOpQuestionAuth
// @Description: 校验是否有权限操作提示词
// @author: Roc
// @datetime 2025-04-16 17:33:01
// @return auth bool
// @return err error
func CheckOpQuestionAuth() (auth bool, err error) {
	total, err := getNotFinishGenerateAbstractTaskNum()
	if err != nil {
		return
	}
	// 存在未完成的任务，则无权限
	if total > 0 {
		return
	}

	auth = true

	return
}

// getNotFinishGenerateAbstractTaskNum
// @Description: 获取未完成的生成摘要任务的数量
// @author: Roc
// @datetime 2025-04-16 17:31:12
// @return total int
// @return err error
func getNotFinishGenerateAbstractTaskNum() (total int, err error) {
	obj := rag.AiTask{}

	var condition string
	var pars []interface{}

	condition += fmt.Sprintf(` AND %s NOT IN (?)  AND %s = ? `, rag.AiTaskColumns.Status, rag.AiTaskColumns.TaskType)
	pars = append(pars, []string{`done`, `failed`}, utils.AI_TASK_TYPE_GENERATE_ABSTRACT)

	total, err = obj.GetCountByCondition(condition, pars)
	if err != nil {
		return
	}

	return
}

// GetNotFinishGenerateAbstractTaskNumByQuestionId
// @Description: 根据提示词ID获取未完成的生成摘要任务的数量
// @author: Roc
// @datetime 2025-04-16 17:31:12
// @return total int
// @return err error
func GetNotFinishGenerateAbstractTaskNumByQuestionId(questionId int) (total int, err error) {
	obj := rag.AiTask{}

	var condition string
	var pars []interface{}

	condition += fmt.Sprintf(` AND %s NOT IN (?)  AND %s = ?  AND %s = ? `, rag.AiTaskColumns.Status, rag.AiTaskColumns.TaskType, rag.AiTaskColumns.Parameters)
	pars = append(pars, []string{`done`, `failed`}, utils.AI_TASK_TYPE_GENERATE_ABSTRACT, fmt.Sprint(questionId))

	total, err = obj.GetCountByCondition(condition, pars)
	if err != nil {
		return
	}

	return
}