#! /bin/bash -
# set -x

source ./log_helpers

if [ ${read_config_sourced:-1} = "1" ]; then    # include only once
    readonly read_config_sourced=${BASH_SOURCE[0]}

    readonly DATEFLAGS="+%Y.%m.%dT%H.%M.%S"
    readonly STRIPCOMMENTS='sed -e s/#.*$//g'
    readonly STRIPWHITESPACE='sed -E -e s/^[[:space:]]*$//g'
    readonly INDENT="awk '{ print \"\t\t\t\" \$0 }'"
    readonly JOINLINES="tr '\n' '\040'"

    readonly UPDATEPSAHOME=$HOME/.updatepsa

    readonly UPDATEPSABEGIN=./.updatepsa/begin
    readonly UPDATEPSAEND=./.updatepsa/end

    readonly PROGRAM=`basename $0`
    readonly VERSION="0.8.0"

    readonly WORKSPACE_DIR=workspace

    WORKING_DIRECTORY=${WORKING_DIRECTORY:-$UPDATEPSAHOME}
    CONFIGFILENAME=${CONFIGFILENAME:-'update_psa.conf'}

    if ! [ -f "$CONFIGFILENAME" ]; then
        log_fatal "$func:${LINENO}: $CONFIGFILENAME not found"
    fi

    if ! [ -d "$WORKING_DIRECTORY" ]; then 
        log_fatal "$func:${LINENO}: $WORKING_DIRECTORY not found"
    fi
    
    EXITCODE=$RC_SUCCESS
    CLONE_CUSTOMER_REPOSITORY=false

    # read config file (JSON syntax)
    read_config() {
        local func="${FUNCNAME[0]}"
    
        log_debug "$func:${LINENO}: CONFIGFILENAME=$CONFIGFILENAME"
        log_debug "$func:${LINENO}: WORKING_DIRECTORY=$WORKING_DIRECTORY"
        
        local readonly cf="$CONFIGFILENAME"

        if cd $WORKING_DIRECTORY ; then
            log_debug "$func:${LINENO}: cd to $WORKING_DIRECTORY"
        else
            log_fatal "$func:${LINENO}: cannot cd to $WORKING_DIRECTORY"
        fi
        
        readonly GIT_SSL_NO_VERIFY="$(cat "$cf" | jq -r .GIT_SSL_NO_VERIFY)"
        if [ -z "$GIT_SSL_NO_VERIFY" ]; then 
            log_fatal "$func:${LINENO} GIT_SSL_NO_VERIFY not set in $cf"
        fi
        log_debug "$func:${LINENO}: GIT_SSL_NO_VERIFY=$GIT_SSL_NO_VERIFY"
        log_debug "$func:${LINENO}: WORKSPACE_DIR=$WORKSPACE_DIR"
        
        readonly CUSTOMER_LOCATION=$(cat "$cf" | jq -r .customer_location)
        if [ -z "$CUSTOMER_LOCATION" ]; then 
            log_fatal "$func:${LINENO}: CUSTOMER_LOCATION not set in $cf"
        fi
        log_debug "$func:${LINENO}: customer-location=$CUSTOMER_LOCATION"

        readonly CUST_ID="$(cat "$cf" | jq -r .customer_id)"
        if [ -z "$CUST_ID" ]; then 
            log_fatal "$func:${LINENO} CUST_ID not set in $cf"
        fi
        readonly CUSTOMER_ID="customer_$CUST_ID"
        log_debug "$func:${LINENO}: CUSTOMER-ID=$CUSTOMER_ID"
        
        local __r_path="$(cat "$cf" | jq -r .cust_repository_path)"
        if [ -z "$__r_path" ]; then 
            log_fatal "$func:${LINENO}: customer repository path not set in $cf"
        fi
        readonly CUSTOMER_REPOSITORY_PATH="${__r_path}/${CUSTOMER_ID}.git"
        log_debug "$func:${LINENO}: customer-r-path=$CUSTOMER_REPOSITORY_PATH"

        local __number_of_zone_groups=$(cat "$cf"    | 
                                        jq -r .zg[0] |
                                        sed -E -e 's/[[:space:]]*//g')
        # TODO: was ist hier falsch
        # __n_of_zgroups=$(echo "$__n_of_zgrps" | ${STRIPWHITESPACE} )
        log_debug "$func:${LINENO}: #n of zone_groups: $__number_of_zone_groups"

        local __zone_groups=($__number_of_zone_groups)
        for zg in `seq 1 $__number_of_zone_groups`; do
            local __n_zones=$(cat "$cf"        |
                              jq -r .zg[$zg].z |
                              sed -E -e 's/[][,[:space:]]*//g') # rm ][ as well
            __zone_groups[$zg]=$__n_zones
        done

        readonly ZONE_GROUPS=(${__zone_groups[@]})
        log_debug "$func:${LINENO}: ZONE_GROUPS=${ZONE_GROUPS[@]}"

        log_debug "$func:${LINENO}: reading ${wd} done"
        
        return 0
    }
###############################################################################
########################## parsing with jq finished ###########################
###############################################################################
    check_sanity_of_repository () {
        local func="${FUNCNAME[0]}"

        local __customer_id_base_dir="$WORKING_DIRECTORY/${WORKSPACE_DIR}"
        readonly CUSTOMER_ID_BASE_DIR="${__customer_id_base_dir}/${CUSTOMER_ID}"

        log_debug "$func:${LINENO}: CUSTOMER_ID_BASE_DIR="
        log_debug "$func:${LINENO}:      $CUSTOMER_ID_BASE_DIR"

        CUSTOMER_LOCATION_DIR="${CUSTOMER_ID_BASE_DIR}/${CUSTOMER_LOCATION}"

        log_debug "$func:${LINENO}: CUSTOMER_LOCATION_DIR="
        log_debug "$func:${LINENO}:      $CUSTOMER_LOCATION_DIR"

        readonly UPDATE_CONF="${CUSTOMER_LOCATION_DIR}/update.conf"
        log_debug "$func:${LINENO}: UPDATE.CONF=$UPDATE_CONF"
        
        readonly DC="dc2c.hex"
        readonly DC_SYS_DIR="/etc/dc"
        readonly DC_DIR="${CUSTOMER_LOCATION_DIR}/dc"
        readonly DC_FULL="${DC_DIR}/$DC"
        if [ -f "$DC_FULL" ]; then
            log_debug "$func:${LINENO}: d2dc.hex=$DC_FULL"
        else
            log_fatal "$func:${LINENO}: $DC_FULL does not exist"
        fi
        
        # readonly zone_groups=(${__zone_groups[@]})
        # by now (03.03.2023) there is only one zone group.
        readonly local __zgroup=1
        local __number_of_zone_groups=${ZONE_GROUPS[0]}
        local __zindex=1
        local __customer_base_dirs=("placeholder")
        for __zg in `seq 1 $__number_of_zone_groups`; do
            local __n_of_zones=${ZONE_GROUPS[$__zindex]}
            log_debug "$func:${LINENO}: zgroup $__zg has $__n_of_zones zones"
            for (( j=1; j<=$__n_of_zones; ++j)); do
                __customer_base_dirs+=("${CUSTOMER_LOCATION_DIR}/$__zgroup/$j")
                log_debug "$func:${LINENO}: zone $j"
                ((++__zindex))
            done
        done

        readonly CUSTOMER_BASE_DIRS=(${__customer_base_dirs[@]})

        if [ ${#CUSTOMER_BASE_DIRS[@]} -eq 0 ]; then
            log_fatal "$func:${LINENO}: CUSTOMER_BASE_DIRS empty"
        fi

        # TODO
        # TODO: falls mehrere gruppen/zonen auftauchen hier anpassen
        # TODO
        readonly ZONE=1
        readonly CUSTOMER_BASE_DIR="${CUSTOMER_BASE_DIRS[$ZONE]}"
        if [ -d "$CUSTOMER_BASE_DIR" ]; then
            log_debug "$func:${LINENO}: CUSTOMER-BASE-DIR="
            log_debug "$func:${LINENO}:      $CUSTOMER_BASE_DIR"
        else
            log_fatal "$func:${LINENO}: $CUSTOMER_BASE_DIR does not exist"
        fi
        
        readonly psa_config_dir="${CUSTOMER_BASE_DIR}/etc/psa_config"
        if [ -d "$psa_config_dir" ]; then
            log_debug "$func:${LINENO}: psa_config_dir="
            log_debug "$func:${LINENO}:      $psa_config_dir"
        else
            log_fatal "$func:${LINENO}:  $psa_config_dir does not exist"
        fi

        readonly psa_update_dir="${CUSTOMER_BASE_DIR}/etc/psa_update"
        if [ -d "$psa_update_dir" ]; then
            log_debug "$func:${LINENO}: psa_update_dir="
            log_debug "$func:${LINENO}:      $psa_update_dir"
        else
            log_fatal "$func:${LINENO}:  $psa_update_dir does not exist"
        fi

        readonly psa_base_ini_dir="${CUSTOMER_BASE_DIR}/opt/app"
        if [ -d "$psa_base_ini_dir" ]; then
            log_debug "$func:${LINENO}: psa_base_ini_dir="
            log_debug "$func:${LINENO}:      $psa_base_ini_dir"
        else
            log_fatal "$func:${LINENO}: $psa_base_ini_dir does not exist"
        fi
        
        readonly SYSCONFIG_SYS_DIR="/opt/app/sysconfig"
        readonly PSA_SYSCONFIG_DIR="$CUSTOMER_BASE_DIR$SYSCONFIG_SYS_DIR"
        # if [ -d "$psa_syconfig_dir" ]; DOES NOT WORK !!!
        if ls -al $PSA_SYSCONFIG_DIR > /dev/null; then
            log_debug "$func:${LINENO}: PSA_SYSCONFIG_DIR="
            log_debug "$func:${LINENO}:      $PSA_SYSCONFIG_DIR"
        else
            log_error "$func:${LINENO}: $PSA_SYSCONFIG_DIR does not exist"
        fi

        readonly psa_ismasmgr_dir="${psa_base_ini_dir}/ISMASMgr"
        if [ -d "$psa_ismasmgr_dir" ]; then
            log_debug "$func:${LINENO}: psa_ismasmgr_dir="
            log_debug "$func:${LINENO}:      $psa_ismasmgr_dir"
        else
            log_fatal "$func:${LINENO}: $psa_ismasmgr_dir does not exist"
        fi

        readonly CONF_SYS_DIR="/etc/psa_config"
        readonly OPKG_SYS_DIR="/etc/psa_update"
        readonly ATBAPP_SYS_DIR="/opt/app/ATBAPP"
        
        readonly psa_atbqt_dir="$CUSTOMER_BASE_DIR$ATBAPP_SYS_DIR"
        if [ -d "$psa_atbqt_dir" ]; then
            log_debug "$func:${LINENO}: psa_atbqt_dir="
            log_debug "$func:${LINENO}:      $psa_atbqt_dir"
        else
            log_fatal "$func:${LINENO}: $psa_atbqt_dir does not exist"
        fi

        readonly TARIFF_CURRENT="tariff.current"
        readonly TARIFF_CURRENT_FULL="${psa_atbqt_dir}/$TARIFF_CURRENT"
        if [ -f "$TARIFF_CURRENT_FULL" ]; then
            log_debug "$func:${LINENO}: tariff.current="
            log_debug "$func:${LINENO}:      $TARIFF_CURRENT_FULL"
        else
            log_fatal "$func:${LINENO}: $TARIFF_CURRENT_FULL does not exist"
        fi

        readonly ATBQT_INI="ATBQT.ini"
        readonly ATBQT_INI_FULL="${psa_atbqt_dir}/$ATBQT_INI"
        if [ -f "$ATBQT_INI_FULL" ]; then
            log_debug "$func:${LINENO}: ATBTQT.ini="
            log_debug "$func:${LINENO}:      $ATBQT_INI_FULL"
        else
            log_fatal "$func:${LINENO}: $ATBQT_INI_FULL does not exist"
        fi
        
        readonly ATBQT="ATBQT"
        readonly ATBQT_SYS_FULL="${ATBAPP_SYS_DIR}/$ATBQT"
        if [ -f "$ATBQT_SYS_FULL" ]; then
            log_debug "$func:${LINENO}: ATBQT="
            log_debug "$func:${LINENO}:      $ATBQT_SYS_FULL"
        else
            log_fatal "$func:${LINENO}: $ATBQT_SYS_FULL does not exist"
        fi
       
        readonly ISMASMGR_INI="ISMASMgr.ini"
        readonly ISMASMGR_SYS_DIR="/opt/app/ISMASMgr"

        readonly ISMASMGR_ISMASMGR_INI_FULL="${psa_ismasmgr_dir}/$ISMASMGR_INI"
        if [ -f "$ISMASMGR_ISMASMGR_INI_FULL" ]; then
            log_debug "$func:${LINENO}: ismasmgr_ismasmgr.ini="
            log_debug "$func:${LINENO}:      $ISMASMGR_ISMASMGR_INI_FULL"
        else
            log_fatal "$func:${LINENO}: $ISMASMGR_ISMASMGR_INI_FULL "\
                "does not exist"
        fi

        readonly SYSCONFIG_ISMASMGR_INI_FULL="${PSA_SYSCONFIG_DIR}/ISMASMgr.ini"
        if [ -f "$SYSCONFIG_ISMASMGR_INI_FULL" ]; then
            log_debug "$func:${LINENO}: sysconfig_ismasmgr.ini="
            log_debug "$func:${LINENO}:      $SYSCONFIG_ISMASMGR_INI_FULL"
        else
            log_fatal "$func:${LINENO}: $SYSCONFIG_ISMASMGR_INI_FULL "\
                    "does not exist"
        fi

        readonly SYS_CONFIG_INI="sysconfig.ini"
        readonly __sysc_sysc_full="${PSA_SYSCONFIG_DIR}/$SYS_CONFIG_INI"
        readonly SYSCONFIG_SYSCONFIG_INI_FULL="$__sysc_sysc_full"
        if [ -f "$SYSCONFIG_SYSCONFIG_INI_FULL" ]; then
            log_debug "$func:${LINENO}: sysconfig_sysconfig.ini="
            log_debug "$func:${LINENO}:      $SYSCONFIG_SYSCONFIG_INI_FULL"
        else
            log_fatal "$func:${LINENO}: "\
                "$SYSCONFIG_SYSCONFIG_INI_FULL does not exist"
        fi

        readonly "SYSTEM_CONTROL_INI"="SystemControl.ini"
        local __sysctrl_ini_full="${PSA_SYSCONFIG_DIR}/$SYSTEM_CONTROL_INI"
        readonly SYSCONFIG_SYSCTRL_INI_FULL="$__sysctrl_ini_full"
        if [ -f "$SYSCONFIG_SYSCTRL_INI_FULL" ]; then
            log_debug "$func:${LINENO}: sysconfig_systemcontrol.ini="
            log_debug "$func:${LINENO}:      $SYSCONFIG_SYSCTRL_INI_FULL"
        else
            log_fatal "$func:${LINENO}: $SYSCONFIG_SYSCTRL_INI_FULL does not exist"
        fi

        readonly DC2C_SERIAL_JSON="${psa_config_dir}/DC2C_serial.json"
        if [ -f "$DC2C_SERIAL_JSON" ]; then
            log_debug "$func:${LINENO}: DC2C_SERIAL_JSON="
            log_debug "$func:${LINENO}:      $DC2C_SERIAL_JSON"
        else
            log_fatal "$func:${LINENO}: $DC2C_SERIAL_JSON does not exist"
        fi

        readonly DC2C_CASH_JSON="${psa_config_dir}/DC2C_cash.json"
        if [ -f "$DC2C_CASH_JSON" ]; then
            log_debug "$func:${LINENO}: DC2C_CASH_JSON="
            log_debug "$func:${LINENO}:      $DC2C_CASH_JSON"
        else
            log_debug "$func:${LINENO}: $DC2C_CASH_JSON does not exist"
        fi
        
        readonly DC2C_CONF_JSON="${psa_config_dir}/DC2C_conf.json"
        if [ -f "$DC2C_CONF_JSON" ]; then
            log_debug "$func:${LINENO}: DC2C_CONF_JSON="
            log_debug "$func:${LINENO}:      $DC2C_CONF_JSON"
        else
            log_fatal "$func:${LINENO}: $DC2C_CONF_JSON does not exist"
        fi

        local DC2C_PRINT_JSON=()
        for i in {1..32}; do    # up to 32 print-json-files
            local __f=${psa_config_dir}/DC2C_print$(printf "%02d" $i).json
            readonly DC2C_PRINT$(printf "%02d" $i)_JSON=$__f
            # local __g=$(eval echo '$'DC2C_PRINT$(printf "%02d" $i)_JSON)
            if [ -f $__f ]; then
                log_debug "$func:${LINENO}: DC2C_PRINT$(printf "%02d" $i)_JSON="
                log_debug "$func:${LINENO}:      $__f"
            else
                log_fatal "$func:${LINENO}: $__f does not exist"
           fi
           DC2C_PRINT_JSON+=($__f)
        done

        readonly opkg_cmds_file="${psa_update_dir}/opkg_commands"
        if [ -f "$opkg_cmds_file" ]; then
            log_debug "$func:${LINENO}: opkg_commands="
            log_debug "$func:${LINENO}:      $opkg_cmds_file"
        else
            log_fatal "$func:${LINENO}: $opkg_cmds_file does not exist"
        fi

        # TODO: anpassen, da z.B. fuer szeged mehrere zonen vorhanden sind
        readonly KNOWN_CONF_FILES=(${CUSTOMER_LOCATION}/update.conf         \
                                   ${DC2C_PRINT_JSON[@]##*${CUSTOMER_ID}/}  \
                                   ${DC2C_CONF_JSON##*${CUSTOMER_ID}/}      \
                                   ${DC2C_CASH_JSON##*${CUSTOMER_ID}/}      \
                                   ${DC2C_SERIAL_JSON##*${CUSTOMER_ID}/})

        readonly KNOWN_INI_FILES=(${ATBQT_INI_FULL##*${CUSTOMER_ID}/}       \
                      ${ISMASMGR_ISMASMGR_INI_FULL##*${CUSTOMER_ID}/}       \
                      ${SYSCONFIG_ISMASMGR_INI_FULL##*${CUSTOMER_ID}/}      \
                      ${SYSCONFIG_SYSCONFIG_INI_FULL##*${CUSTOMER_ID}/}     \
                      ${SYSCONFIG_SYSCTRL_INI_FULL##*${CUSTOMER_ID}/})
        
        readonly KNOWN_FILES=(${KNOWN_CONF_FILES[@]} \
                              ${KNOWN_INI_FILES[@]}  \
                              ${opkg_cmds_file##*${CUSTOMER_ID}/})

        log_debug "$func:${LINENO}: known conf/ini_files ->"
        for (( i=0; i < ${#KNOWN_FILES[@]}; ++i )); do
            tab=$'\t'
            log_debug "$func:${LINENO}: $tab$tab ${KNOWN_FILES[$i]}"
        done
        log_debug "$func:${LINENO}: sanity of ${CUSTOMER_REPOSITORY_PATH} OK"

        return 0
    }
fi