package service

import (
	"encoding/json"
	"fmt"
	"github.com/emirpasic/gods/v2/sets/hashset"
	"os"
	"rition-testsuite/client"
	"sort"
	"time"
)

func (s *Service) Run() {
	data, err := os.ReadFile(s.config.DataFileLocation)
	if err != nil {
		fmt.Println(err.Error())
		return
	}

	fileDataItemList := make([]client.DataItem, 0)
	err = json.Unmarshal(data, &fileDataItemList)
	if err != nil {
		fmt.Println(err.Error())
		return
	}

	sort.Slice(fileDataItemList, func(i, j int) bool {
		return fileDataItemList[i].Timestamp < fileDataItemList[j].Timestamp
	})

	times := hashset.New[int64]()
	fileDataMap := map[int64][]client.DataItem{}
	for _, dataItem := range fileDataItemList {
		if _, has := fileDataMap[dataItem.Timestamp]; !has {
			fileDataMap[dataItem.Timestamp] = make([]client.DataItem, 0, 22)
		}

		fileDataMap[dataItem.Timestamp] = append(fileDataMap[dataItem.Timestamp], dataItem)
		times.Add(dataItem.Timestamp)
	}

	i := 0
	timesValue := times.Values()
	sort.Slice(timesValue, func(i, j int) bool {
		return timesValue[i] < timesValue[j]
	})

	fileDataItemList = nil
	times = nil

	ticker := time.NewTicker(s.config.ReportInterval)
	defer ticker.Stop()
	for range ticker.C {
		if i < len(timesValue) {
			fmt.Printf("reporting: %d\n", timesValue[i])
			s.Report(fileDataMap[timesValue[i]])
			i++
		} else {
			return
		}
	}
}

func (s *Service) Report(dataList []client.DataItem) {
	_, err := s.client.Report(dataList)
	if err != nil {
		fmt.Println("err: ", err.Error())
	}
}