#!/bin/bash

if [ "$1" != "" ]; then
    mkey=$(echo "kubernetes.io/cluster/${1}")
    #echo $mkey
    cmd[0]="$AWS autoscaling describe-auto-scaling-groups | jq '.AutoScalingGroups[] | select(.Tags[].Key==\"${mkey}\").AutoScalingGroupName'"

else
    echo "Cluster name not set exiting"
    exit
fi

# check if related to a node group

c=0
cm=${cmd[$c]}
#echo $cm

asgs=$(eval $cm)
#echo $asgs
for t in ${asgs[@]}; do
    killer=0
    cname=$(echo $t | tr -d '"')
    #echo "cname=$cname"
    cm=$(echo "${AWS} autoscaling describe-auto-scaling-groups --auto-scaling-group-names ${cname}")

    pref[0]="AutoScalingGroups"
    tft[0]="aws_autoscaling_group"
    idfilt[0]="AutoScalingGroupName"
    rm -f ${tft[(${c})]}.*.tf

    ttft=${tft[(${c})]}

    awsout=$(eval $cm 2>/dev/null)
    if [ "$awsout" == "" ]; then
        echo "$cm : You don't have access for this resource"
        exit
    fi

    echo "$ttft $cname"
    rname=$(echo $cname)
    fn=$(printf "%s__%s.tf" $ttft $rname)
    if [ -f "$fn" ]; then echo "$fn exists already skipping" && continue; fi
    printf "resource \"%s\" \"%s\" {}" $ttft $rname >$fn

    terraform import $ttft.$rname "$cname" | grep Importing
    terraform state show -no-color $ttft.$rname >t1.txt
    rm -f $fn

    file="t1.txt"
    isw=0
    isfd=0
    isfdwp=0

    #echo "#" > $fn
    echo $aws2tfmess >$fn
    while IFS= read line; do
        skip=0
        # display $line or do something with $line
        t1=$(echo "$line")

        if [[ ${t1} == *"="* ]]; then
            tt1=$(echo "$line" | cut -f1 -d'=' | tr -d ' ')
            tt2=$(echo "$line" | cut -f2- -d'=')
            #echo $tt2
            if [[ ${tt1} == "arn" ]]; then
                if [[ ${tt2} == *"autoscaling"* ]]; then
                    skip=1
                    #printf "force_delete= false\n" >> $fn
                    #printf "wait_for_capacity_timeout = \"10m\"\n" >> $fn
                    printf "lifecycle {\n" >>$fn
                    printf "\t ignore_changes = [force_delete,force_delete_warm_pool,wait_for_capacity_timeout]\n" >>$fn
                    printf "}\n" >>$fn
                else
                    skip=0
                fi
            fi
            if [[ ${tt1} == "id" ]]; then skip=1; fi
            if [[ ${tt1} == "role_arn" ]]; then skip=1; fi
            if [[ ${tt1} == "owner_id" ]]; then skip=1; fi
            if [[ ${tt1} == "association_id" ]]; then skip=1; fi

            #if [[ ${tt1} == "public_dns" ]];then skip=1;fi
            #if [[ ${tt1} == "private_dns" ]];then skip=1;fi
            if [[ ${tt1} == "default_version" ]]; then skip=1; fi
            if [[ ${tt1} == "latest_version" ]]; then skip=1; fi
            if [[ ${tt1} == "security_group_names" ]]; then skip=1; fi
            #if [[ ${tt1} == "default_network_acl_id" ]];then skip=1;fi
            #if [[ ${tt1} == "ipv6_association_id" ]];then skip=1;fi
            #if [[ ${tt1} == "ipv6_cidr_block" ]];then skip=1;fi

            if [[ ${tt1} == "force_delete" ]]; then isfd=1; fi
            if [[ ${tt1} == "force_delete_warm_pool" ]]; then isfdwp=1; fi
            if [[ ${tt1} == "wait_for_capacity_timeout" ]]; then isw=1; fi

            if [[ ${tt1} == "subnet_id" ]]; then
                tt2=$(echo $tt2 | tr -d '"')
                t1=$(printf "%s = aws_subnet.%s.id" $tt1 $tt2)
            fi

            if [[ ${tt1} == "availability_zones" ]]; then
                skip=1
                while [[ "$t1" != "]" ]]; do
                    read line
                    t1=$(echo "$line")
                    #echo $t1
                done
            fi

            if [[ ${tt1} == "service_linked_role_arn" ]]; then
                tt2=$(echo $tt2 | tr -d '"')
                if [[ ${tt2} == "arn:aws:iam::"* ]]; then
                    tstart=$(echo $tt2 | cut -f1-4 -d ':')
                    tacc=$(echo $tt2 | cut -f5 -d ':')
                    tend=$(echo $tt2 | cut -f6- -d ':')
                    tsub="%s"
                    if [[ "$mysub" == "$tacc" ]]; then
                        t1=$(printf "\"%s\" = format(\"%s:%s:%s\",data.aws_caller_identity.current.account_id)" $tt1 $tstart $tsub $tend)
                    fi
                fi

            fi

            #  hmm needed ?
            if [[ ${tt2} == *"eks:nodegroup-name"* ]]; then
                echo " --> $tt2"
                killer=0
                #killer=1
            fi

        #
        else
            if [[ "$t1" == *"subnet-"* ]]; then
                t1=$(echo $t1 | tr -d '"|,')
                t1=$(printf "aws_subnet.%s.id," $t1)
            fi
        #else
        #    if [[ "$t1" == *"sg-"* ]]; then
        #        t1=`echo $t1 | tr -d '"|,'`
        #        t1=`printf "aws_security_group.%s.id," $t1`
        #    fi
        fi

        if [ "$skip" == "0" ]; then
            #echo $skip $t1
            echo "$t1" >>$fn
        fi

    done <"$file"

    # get the launch template

    if [ "$killer" == "0" ]; then
        #echo $awsout | jq .
        ltid=$(echo $awsout | jq .AutoScalingGroups[0].LaunchTemplate.LaunchTemplateId | tr -d '"')
        if [[ $ltid == "null" ]]; then
            ltid=$(echo $awsout | jq .AutoScalingGroups[0].MixedInstancesPolicy.LaunchTemplate.LaunchTemplateSpecification.LaunchTemplateId | tr -d '"')
        fi
        echo "--> ltid=$ltid"
        ../../scripts/eks-launch_template.sh $ltid
    else
        rm -f $fn
        terraform state rm $ttft.$cname
    fi

done # for t