#!/bin/bash
pref[0]="RouteTables"
ttft="aws_route_table_association"

cm="$AWS ec2 describe-route-tables"
c=0

if [ "$1" != "" ]; then
    if [[ "$1" == "rtb"* ]]; then
        fn=$(printf "%s__%s.tf" $ttft $1)
        if [ -f "$fn" ]; then exit; fi
        cm="$AWS ec2 describe-route-tables --filters \"Name=association.route-table-association-id,Values=$1\""
    elif [[ "$1" == "vpc-"* ]]; then
        cm="$AWS ec2 describe-route-tables --filters \"Name=vpc-id,Values=$1\""
    elif [[ "$1" == "subnet-"* ]]; then
        cm="$AWS ec2 describe-route-tables --filters \"Name=association.subnet-id,Values=$1\""
    fi
fi

for c in $(seq 0 0); do

    awsout=$(eval $cm 2>/dev/null)
    if [ "$awsout" == "" ]; then
        echo "$cm : You don't have access for this resource"
        exit
    fi
    count=$(echo $awsout | jq ".${pref[(${c})]} | length")
    #echo $count
    #echo $awsout | jq .
    if [ "$count" -gt "0" ]; then
        count=$(expr $count - 1)
        for i in $(seq 0 $count); do
            #echo $i
            cname=$(echo $awsout | jq ".${pref[(${c})]}[(${i})].RouteTableId" | tr -d '"')
            #echo "inner cname=$cname"
            # get the subnet id
            # Inner loop associations
            awsout2=$(echo $awsout | jq ".${pref[(${c})]}[(${i})].Associations")
            #echo $awsout2 | jq .
            jcount=$(echo $awsout2 | jq ". | length")
            #echo "jcount=$jcount"
            if [ "$jcount" -gt "0" ]; then
                jcount=$(expr $jcount - 1)
                for j in $(seq 0 $jcount); do
                    ismain=$(echo $awsout2 | jq ".[(${j})].Main" | tr -d '"')
                    if [ $ismain == false ]; then
                        sname=$(echo $awsout2 | jq ".[(${j})].SubnetId" | tr -d '"')
                        cname=$(echo $awsout2 | jq ".[(${j})].RouteTableAssociationId" | tr -d '"')
                        rtbid=$(echo $awsout2 | jq ".[(${j})].RouteTableId" | tr -d '"')

                        echo "$ttft $sname/$cname Import"
                        fn=$(printf "%s__%s__%s.tf" $ttft $sname $cname)
                        if [ -f "$fn" ]; then echo "$fn exists already skipping" && continue; fi

                        printf "resource \"%s\" \"%s__%s\" {\n" $ttft $sname $cname >$fn
                        printf "}\n" >>$fn
                        #cat $fn
                        comm=$(printf "terraform import %s.%s__%s %s/%s | grep Importing" $ttft $sname $cname $sname $rtbid)
                        #echo $comm
                        eval $comm
                        #echo "state show"
                        comm=$(printf "terraform state show -no-color %s.%s__%s" $ttft $sname $cname)
                        #echo $comm
                        eval $comm >t1.txt
                        rm $fn

                        file="t1.txt"

                        echo $aws2tfmess >$fn
                        #cat $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'=')
                                if [[ ${tt1} == "arn" ]]; then skip=1; 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} == "availability_zone" ]]; then skip=1; fi
                                if [[ ${tt1} == "availability_zone_id" ]]; then skip=1; fi
                                #if [[ ${tt1} == "default_route_table_id" ]];then skip=1;fi
                                #if [[ ${tt1} == "owner_id" ]];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 [[ ${tt1} == "route_table_id" ]]; then
                                    rtid=$(echo $tt2 | tr -d '"')
                                    t1=$(printf "%s = aws_route_table.%s.id" $tt1 $rtid)
                                fi
                                if [[ ${tt1} == "subnet_id" ]]; then
                                    tt2=$(echo $tt2 | tr -d '"')
                                    t1=$(printf "%s = aws_subnet.%s.id" $tt1 $tt2)
                                fi

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

                            fi

                        done <"$file"

                        ## dependancies

                        if [[ $rtid != "" ]]; then
                            ../../scripts/140-get-route-table.sh $rtid
                        fi

                    fi
                    #else
                    #    echo "association null subnetID"
                    #fi

                done
            fi
        done
    fi
done

rm -f t*.txt