package copydata

import (
	"context"
	consts "dataengine/consts/public"
	dto "dataengine/model/dto/copydata"
	entity "dataengine/model/entity/copydata"
	"time"

	"gitea.redpowerfuture.com/red-future/common/db/gfdb"
	"github.com/gogf/gf/v2/database/gdb"
	"github.com/gogf/gf/v2/util/gconv"
	"github.com/sirupsen/logrus"
)

var SyncTaskLog = new(SyncTaskLogDao)

type SyncTaskLogDao struct{}

// Create 创建任务日志（如果task_id已存在则返回现有ID）
func (d *SyncTaskLogDao) Create(ctx context.Context, req *dto.CreateSyncTaskLogReq) (int64, error) {
	existingTask, err := d.GetByTaskID(ctx, req.TaskID, req.TaskType)
	if err == nil && existingTask != nil {
		logrus.Debugf("任务日志已存在，task_id=%s, task_type=%s, id=%d", req.TaskID, req.TaskType, existingTask.Id)
		return existingTask.Id, nil
	}

	data := map[string]interface{}{
		"task_id":        req.TaskID,
		"task_type":      req.TaskType,
		"advertiser_id":  req.AdvertiserID,
		"start_time":     req.StartTime,
		"end_time":       req.EndTime,
		"status":         req.Status,
		"max_retry":      req.MaxRetry,
		"page_info":      req.PageInfo,
		"request_params": req.RequestParams,
		"retry_count":    0,
		"duration_ms":    0,
	}

	r, err := gfdb.DB(ctx).Model(ctx, consts.SyncTaskLogTable).Data(data).Insert()
	if err != nil {
		return 0, err
	}
	return r.LastInsertId()
}

// Update 更新任务日志
func (d *SyncTaskLogDao) Update(ctx context.Context, req *dto.UpdateSyncTaskLogReq) error {
	data := make(gdb.Map)

	if req.Status != "" {
		data["status"] = req.Status
	}
	if req.RetryCount != nil {
		data["retry_count"] = *req.RetryCount
	}
	if req.ErrorMessage != "" {
		data["error_message"] = req.ErrorMessage
	}
	if req.ErrorCode != "" {
		data["error_code"] = req.ErrorCode
	}
	if req.ResultSummary != nil {
		data["result_summary"] = req.ResultSummary
	}
	if req.NextRetryTime != nil {
		data["next_retry_time"] = req.NextRetryTime
	}
	if req.CompletedAt != nil {
		data["completed_at"] = req.CompletedAt
	}
	if req.DurationMs != nil {
		data["duration_ms"] = *req.DurationMs
	}

	data["updated_at"] = time.Now()

	_, err := gfdb.DB(ctx).Model(ctx, consts.SyncTaskLogTable).
		Data(data).
		Where("id", req.ID).
		Update()

	return err
}

// QueryFailedTasks 查询需要补偿的失败任务
func (d *SyncTaskLogDao) QueryFailedTasks(ctx context.Context, req *dto.QueryFailedTasksReq) ([]*dto.SyncTaskLogItem, error) {
	model := gfdb.DB(ctx).Model(ctx, consts.SyncTaskLogTable).Model

	// 状态过滤
	if len(req.Status) > 0 {
		model = model.WhereIn("status", req.Status)
	}

	// 任务类型过滤
	if req.TaskType != "" {
		model = model.Where("task_type", req.TaskType)
	}

	// 只查询到达重试时间的任务（或从未设置过重试时间）
	model = model.Where(
		"(next_retry_time <= ? OR next_retry_time IS NULL)",
		time.Now(),
	)

	// 限制数量
	limit := req.Limit
	if limit <= 0 {
		limit = 100
	}
	model = model.Limit(limit)

	var results []*entity.SyncTaskLog
	if err := model.Scan(&results); err != nil {
		return nil, err
	}

	items := make([]*dto.SyncTaskLogItem, len(results))
	for i, r := range results {
		item := &dto.SyncTaskLogItem{}
		gconv.Struct(r, item)
		items[i] = item
	}

	return items, nil
}

// GetByTaskID 根据任务ID获取日志
func (d *SyncTaskLogDao) GetByTaskID(ctx context.Context, taskID, taskType string) (*entity.SyncTaskLog, error) {
	var result *entity.SyncTaskLog
	err := gfdb.DB(ctx).Model(ctx, consts.SyncTaskLogTable).
		Where("task_id", taskID).
		Where("task_type", taskType).
		Scan(&result)

	if err != nil {
		return nil, err
	}
	return result, nil
}

// QueryAllPageTasksByParentID 根据主任务ID查询所有分页任务
func (d *SyncTaskLogDao) QueryAllPageTasksByParentID(ctx context.Context, parentTaskID string, limit int) ([]*dto.SyncTaskLogItem, error) {
	if limit <= 0 {
		limit = 1000
	}

	model := gfdb.DB(ctx).Model(ctx, consts.SyncTaskLogTable).Model
	model = model.Where("task_type", "account_report_page")
	model = model.WhereLike("task_id", parentTaskID+"_page_%")
	model = model.Limit(limit)

	var results []*entity.SyncTaskLog
	if err := model.Scan(&results); err != nil {
		return nil, err
	}

	items := make([]*dto.SyncTaskLogItem, len(results))
	for i, r := range results {
		item := &dto.SyncTaskLogItem{}
		gconv.Struct(r, item)
		items[i] = item
	}

	return items, nil
}