package services

import (
	"api/globals"
	"api/models"
	"api/utils"
	"time"
)

func VerifyTransmissionsLimits() {
	for channelname, currentTransmission := range globals.Transmissions {
		// If the channel has no daily transmission limit, skip the verification (Channels with 24 hours daily limit)
		if time.Duration(currentTransmission.PlanDailyLimit) == 1440 {
			continue
		}

		// TODO: Implementar verificação de limite de transmissão diária (ou seja, quanto já foi transmitido HOJE)
		if time.Now().After(currentTransmission.Limit) {
			AddTransmissionlog(channelname, "Limite de transmissão diária atingido")
			utils.KickSession(channelname, currentTransmission.SessionID)
		}
	}
}

func VerifyTransmissionAuthorization(channelname, sessionid, transmissionkey string) (bool, models.CurrentTransmission) {
	var (
		channel models.Channel
		plan    models.Plan

		currentTransmission models.CurrentTransmission
	)

	globals.DB.Where("name = ?", channelname).First(&channel)
	globals.DB.First(&plan, channel.PlanID)

	currentTransmission.Channel = channel.Name
	currentTransmission.SessionID = sessionid
	currentTransmission.PlanDailyLimit = plan.DailyLimitTransmission
	currentTransmission.StartTime = time.Now()

	currentTransmission.Limit = currentTransmission.StartTime.Add(time.Duration(plan.DailyLimitTransmission) * time.Minute)

	// If the channel is not found, kick the session
	if channel.ID == 0 {
		AddTransmissionlog(channelname, "Canal inexistente")
		utils.KickSession(channelname, sessionid)
		return false, currentTransmission
	}

	// If the channel expiration date is reached, kick the session
	if channel.DateLimit.After(time.Now()) {
		AddTransmissionlog(channelname, "Canal com data de expiração vencida")
		utils.KickSession(channelname, sessionid)
		return false, currentTransmission
	}

	// If the channel is not active, kick the session
	if channel.Status != "A" {
		AddTransmissionlog(channelname, "Canal não está ativo")
		utils.KickSession(channelname, sessionid)
		return false, currentTransmission
	}

	// If the transmission key does not match, kick the session
	if transmissionkey != channel.TransmissionKey {
		AddTransmissionlog(channelname, "Transmissão com chave de transmissão errada")
		utils.KickSession(channelname, sessionid)
		return false, currentTransmission
	}

	// TODO: Save the transmission on database for future calculation of remaining daily time

	return true, currentTransmission
}