package jobs

import (
	"pool-stats/constants"
	"pool-stats/database"
	"time"

	"github.com/jackc/pgx/v5/pgxpool"
)

type RecalculateCurrentDayStatsJob struct {
	DB *pgxpool.Pool
}

func NewRecalculateCurrentDayStatsJob(db *pgxpool.Pool) *RecalculateCurrentDayStatsJob {
	return &RecalculateCurrentDayStatsJob{DB: db}
}

func (job *RecalculateCurrentDayStatsJob) Run() error {
	ticker := time.NewTicker(constants.RecalculateCurrentDayStatsJobInterval)
	defer ticker.Stop()

	for {
		<-ticker.C
		job.recalculateCurrentDayStats()
	}
}

func (job *RecalculateCurrentDayStatsJob) recalculateCurrentDayStats() {
	today := time.Now()
	yesterday := today.Add(-24 * time.Hour)

	database.DeleteDailyStatsForDay(job.DB, today)
	database.GetDailyStats(job.DB, today)

	// Need to keep yesterday's stats cache updated
	database.DeleteDailyStatsForDay(job.DB, yesterday)
	database.GetDailyStats(job.DB, yesterday)
}