#!/bin/ksh
#-----------------------------------------------------------------
function ATM_Initialize
{
    IGCM_debug_PushStack "ATM_Initialize"

    RESOL_ATM=${RESOL}

    [ -f ${SUBMIT_DIR}/../.resol ] && eval $(grep RESOL_ATM_3D ${SUBMIT_DIR}/../.resol) || RESOL_ATM_3D=96x95x19

    RESOL_ATM_Z=$( echo ${RESOL_ATM_3D} | awk "-Fx" '{print $3}' )

    ##-- Calendar type for LMDZ
    case ${config_UserChoices_CalendarType} in
        leap|gregorian)
            CalendarTypeForLmdz=earth_366d;;
        noleap)
            CalendarTypeForLmdz=earth_365d;;
        360d)
            CalendarTypeForLmdz=earth_360d;;
        *)
            CalendarTypeForLmdz=earth_360d
    esac

    ##--Frequency purpose ....
    ##--  Initialisation  ....
    OK_instan=n
    OK_journe=n
    OK_mensuel=n
    ok_hf=n

    case ${config_UserChoices_PeriodLength} in
	1Y|1y|1M|1m) OK_mensuel=y ;;
	5D|5d|1D|1d) OK_journe=y ;;
    esac

    for frequency in ${config_ATM_WriteFrequency} ; do
	case ${frequency} in
	    5D|5d|1D|1d) OK_journe=y ;;
	esac
	case ${frequency} in
	    HF|hf) ok_hf=y ;;
	esac
    done

    ##--Variables used by LMDZ in physiq.def --
    PAT_INST=$(        grep -v ^# ${SUBMIT_DIR}/PARAM/physiq.def_L${RESOL_ATM_Z}  | grep 'OK_instan='   )
    PAT_JOUR=$(        grep -v ^# ${SUBMIT_DIR}/PARAM/physiq.def_L${RESOL_ATM_Z}  | grep 'OK_journe='   )
    PAT_MOIS=$(        grep -v ^# ${SUBMIT_DIR}/PARAM/physiq.def_L${RESOL_ATM_Z}  | grep 'OK_mensuel='  )
    PAT_HFRE=$(        grep -v ^# ${SUBMIT_DIR}/PARAM/physiq.def_L${RESOL_ATM_Z}  | grep 'ok_hf='       )
    PAT_ecrit_mth=$(   grep -v ^# ${SUBMIT_DIR}/PARAM/physiq.def_L${RESOL_ATM_Z}  | grep 'ecrit_mth='   )
    PAT_ecrit_ISCCP=$( grep -v ^# ${SUBMIT_DIR}/PARAM/physiq.def_L${RESOL_ATM_Z}  | grep 'ecrit_ISCCP=' )
    ##--Variables used by LMDZ in gcm.def --
    PAT_iphysiq=$(   grep -v ^# ${SUBMIT_DIR}/PARAM/gcm.def_${RESOL_ATM_3D} | grep iphysiq  )
    PAT_iperiod=$(   grep -v ^# ${SUBMIT_DIR}/PARAM/gcm.def_${RESOL_ATM_3D} | grep iperiod  )
    PAT_day_step=$(  grep -v ^# ${SUBMIT_DIR}/PARAM/gcm.def_${RESOL_ATM_3D} | grep day_step )

    ##-- This could be define in lmdz.card, inside section [UserChoices]
    ##-- Otherwise we get the value in *.def
    iperiod=$( echo ${PAT_iperiod} | awk -F= '{print $2}' )
    iphysiq=$( echo ${PAT_iphysiq} | awk -F= '{print $2}' )
    # day_step : number of steps per day (multiple of iperiod)
    #(( day_step = 48 * iphysiq ))
    day_step=$( echo ${PAT_day_step} | awk -F= '{print $2}' )

    IGCM_debug_PopStack "ATM_Initialize"
}

#-----------------------------------------------------------------
function ATM_Update
{
    IGCM_debug_PushStack "ATM_Update"

    case ${config_UserChoices_PeriodLength} in
        *Y|*y) 
               LMDZ_ecrit_mth=30. 
               LMDZ_ecrit_ISCCP=30.
               LMDZ_periodav=30.
               if [ "${config_UserChoices_CalendarType}" != "360d" ] ; then
                  echo Change calendartype in config.card. PeriodLength=1Y allowed only for CalendarType=360d 
                  exit
               fi
               ;;
        *)
               LMDZ_ecrit_mth=${PeriodLengthInDays}.
               LMDZ_ecrit_ISCCP=${PeriodLengthInDays}.
               LMDZ_periodav=${PeriodLengthInDays}.
               ;;
    esac

    ##-- Remise ou non a zero de la date initiale de LMDZ pour le fichier run.def
    if [ ${CumulPeriod} -eq 1 ] ; then
	RAZ_DATE=1
    else
	RAZ_DATE=0
    fi

    ## Mise en forme du fichier physiq.def
    sed -e "s/${PAT_INST}/OK_instan=${OK_instan}/"                 \
	-e "s/${PAT_JOUR}/OK_journe=${OK_journe}/"                 \
	-e "s/${PAT_MOIS}/OK_mensuel=${OK_mensuel}/"               \
	-e "s/${PAT_HFRE}/ok_hf=${ok_hf}/"                         \
        -e "s/${PAT_ecrit_mth}/ecrit_mth=${LMDZ_ecrit_mth}/"       \
        -e "s/${PAT_ecrit_ISCCP}/ecrit_ISCCP=${LMDZ_ecrit_ISCCP}/" \
	physiq.def > physiq.def.tmp
    IGCM_sys_Mv physiq.def.tmp physiq.def

    echo cat
    cat physiq.def

    ## Mise en forme du fichier gcm.def
    sed -e "s/${PAT_day_step}/day_step=${day_step}/"    \
	-e "s/${PAT_iperiod}/iperiod=${iperiod}/"       \
	-e "s/${PAT_iphysiq}/iphysiq=${iphysiq}/"       \
	gcm.def > gcm.def.tmp
    IGCM_sys_Mv gcm.def.tmp gcm.def

    echo cat
    cat gcm.def

    ## Mise en forme du fichier run.def
    sed -e "s/_dayref_/${InitDay}/"                    \
	-e "s/_anneeref_/${InitYear}/"                 \
        -e "s/_calend_/${CalendarTypeForLmdz}/"        \
	-e "s/_nday_/${PeriodLengthInDays}/"           \
	-e "s/_raz_date_/${RAZ_DATE}/"                 \
        -e "s/_periodav_/${LMDZ_periodav}/"            \
	-e "s/_adjust_/${LMDZ_adjust}/"                \
	run.def > run.def.tmp
    IGCM_sys_Mv run.def.tmp run.def

    echo cat run
    cat run.def

    IGCM_debug_PopStack "ATM_Update"
}

#-----------------------------------
function ATM_Finalize
{
    IGCM_debug_PushStack "ATM_Finalize"

    echo FINALIZE ATM !

    IGCM_debug_PopStack "ATM_Finalize"
}