set -uo pipefail
module load bcftools/1.16 >/dev/null 2>&1
R=/ibex/project/c2041/hany0c/bench_h2h_20260915/real
V=$R/raw/1kGP_high_coverage_Illumina.chr2.filtered.SNV_INDEL_SV_phased_panel.vcf.gz
echo "start $(date -u +%FT%TZ) host $(hostname)"
bcftools query -f "%POS\t%FILTER\t%TYPE\t%REF\t%ALT\t%INFO/AC\n" $V 2> $R/logs/vcf_probe2.stderr | awk -F"\t" "
{n++; filt[\$2]++; typ[\$3]++; if(n==1||\$1<lo)lo=\$1; if(\$1>hi)hi=\$1;
 snv1=(\$4 ~ /^[ACGT]\$/ && \$5 ~ /^[ACGT]\$/);
 if(\$4 ~ /^[ACGT]\$/ && \$5 ~ /^[ACGT](,[ACGT])+\$/) multi++;
 if(snv1){bs++; if(\$6==1)ac1++; if(\$6==2)ac2++; if(mn==\"\"||\$6+0<mn)mn=\$6+0; pc[\$1]++}
 if(\$4 ~ /^[ACGT]\$/ && \$5 ~ /^[ACGT]/ && \$5 !~ /[^ACGT,]/) snpany[\$1]++}
END{print \"records\",n,\"pos_range\",lo,hi; for(k in filt)print \"FILTER\",k,filt[k]; for(k in typ)print \"TYPE\",k,typ[k];
 print \"biallelic_snv\",bs,\"multiallelic_snv_records\",multi+0,\"AC_min\",mn,\"AC==1\",ac1+0,\"AC==2\",ac2+0;
 d=0; dr=0; for(p in pc) if(pc[p]>1){d++; dr+=pc[p]}; print \"positions with >1 biallelic SNV record\",d,\"records\",dr;
 e=0; for(p in snpany) if(snpany[p]>1)e++; print \"positions with >1 SNV record (incl multiallelic)\",e}"
echo "end $(date -u +%FT%TZ)"