#!/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/#.*$//'
    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

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

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

    if [ -z "$WORKING_DIRECTORY" ]; then 
        log_fatal "$func:${LINENO}: WORKING_DIRECTORY not set in $cf"
    fi
    
    EXITCODE=0
    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"

        readonly number_of_zone_groups="$(cat "$cf" | jq -r .zone_group[0])"
        log_debug "$func:${LINENO}: $number_of_zone_groups zone_group(s)"

        local __zone_groups=(0)
        for zg in `seq 1 $number_of_zone_groups`; do
            local __n_zones="$(cat "$cf" | jq -r .zone_group[$zg].zone[0])"
            __zone_groups[$zg]=$__n_zones
        done

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

        local __customer_base_dir="$WORKING_DIRECTORY/${WORKSPACE_DIR}"
        __customer_base_dir="${__customer_base_dir}/${CUSTOMER_ID}"

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

        __customer_base_dir="${__customer_base_dir}/${CUSTOMER_LOCATION}"

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

        readonly UPDATE_CONF="${CUSTOMER_LOCATION_DIR}/update.conf"
        log_debug "$func:${LINENO}: UPDATE.CONF="
        log_debug "$func:${LINENO}:      $UPDATE_CONF"
        
        readonly current_conf="${CUSTOMER_LOCATION_DIR}/current.conf"
        log_debug "$func:${LINENO}: current.conf="
        log_debug "$func:${LINENO}:      $current_conf"

        # readonly zone_groups=(${__zone_groups[@]})
        # for (( j=0; j<${#zone_groups[@]}; ++j)); do
        #     log_debug "$func:${LINENO}: zgroup[$j]: ${zone_groups[$j]} zones"
        # done 

        # TODO: falls mehrere gruppen/zonen auftauchen hier anpassen        
        readonly zgroup=1
        readonly zone=1
        readonly customer_base_dir="${__customer_base_dir}/${zgroup}/${zone}"
        if [ -d "$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 psa_sysconfig_dir="${psa_base_ini_dir}/sysconfig"
        # if [ -d "$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 psa_atbqt_dir="${psa_base_ini_dir}/ATBAPP"
        if [ -d "$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 atbqt_ini="${psa_atbqt_dir}/ATBQT.ini"
        if [ -f "$atbqt_ini" ]; then
            log_debug "$func:${LINENO}: ATBTQT.ini="
            log_debug "$func:${LINENO}:      $atbqt_ini"
        else
            log_fatal "$func:${LINENO}: $atbqt_ini does not exist"
        fi

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

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

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

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

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

        readonly device_conf="${psa_config_dir}/device.conf"
        if [ -f "$device_conf" ]; then
            log_debug "$func:${LINENO}: device.conf="
            log_debug "$func:${LINENO}:      $device_conf"
        else
            log_debug "$func:${LINENO}: $device_conf does not exist"
        fi
        
        readonly printer_conf="${psa_config_dir}/printer.conf"
        if [ -f "$printer_conf" ]; then
            log_debug "$func:${LINENO}: printer.conf="
            log_debug "$func:${LINENO}:      $printer_conf"
        else
            log_fatal "$func:${LINENO}: $printer_conf does not exist"
        fi

        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

        readonly KNOWN_CONF_FILES=(${CUSTOMER_LOCATION}/update.conf  \
                                   ${CUSTOMER_LOCATION}/current.conf \
                                   ${device_conf##*${CUSTOMER_ID}/}  \
                                   ${emp_conf##*${CUSTOMER_ID}/}     \
                                   ${printer_conf##*${CUSTOMER_ID}/})

        readonly KNOWN_INI_FILES=(${atbqt_ini##*${CUSTOMER_ID}/}              \
                                  ${ismasmgr_ismasmgr_ini##*${CUSTOMER_ID}/}  \
                                  ${sysconfig_ismasmgr_ini##*${CUSTOMER_ID}/} \
                                  ${sysconfig_sysconfig_ini##*${CUSTOMER_ID}/}\
                                  ${sysconfig_sysctrl_ini##*${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 < ${#KNOWN_FILES[@]}; ++i )); do
            log_debug "$func:${LINENO}: \t\t ${KNOWN_FILES[$i]}"
        done
        log_debug "$func:${LINENO}: sanity of ${CUSTOMER_REPOSITORY_PATH} OK"

        return 0
    }
fi