VCF_QC/tasks/benchmark.wdl

task benchmark {
	File vcf
	File benchmarking_dir
	File ref_dir
	String sample = basename(vcf,".splited.vcf")
	String fasta
	String docker
	String cluster_config
	String disk_size


	command <<<
		set -o pipefail
		set -e
		nt=$(nproc)
		mkdir -p /cromwell_root/tmp
		cp -r ${ref_dir} /cromwell_root/tmp/

		export HGREF=/cromwell_root/tmp/reference_data/GRCh38.d1.vd1.fa

		cat ${vcf} | grep '#' > header
		cat ${vcf} | grep -v '#' | grep -v '0/0' | grep -v '\./\.'| awk '
		    BEGIN { OFS = "\t" }
		     { 
		        for ( i=9; i<=NF; i++ ) { 
		            split($i,a,":") ;$i = a[1];
		        } 
		    } 
		    { print }
		' > body
		cat header body > filtered.vcf

		/opt/rtg-tools/dist/rtg-tools-3.10.1-4d58ead/rtg bgzip filtered.vcf -c > ${sample}.rtg.vcf.gz
		/opt/rtg-tools/dist/rtg-tools-3.10.1-4d58ead/rtg index -f vcf ${sample}.rtg.vcf.gz

		if [[ ${sample} =~ "LCL5" ]];then
			/opt/hap.py/bin/hap.py ${benchmarking_dir}/LCL5.ref.v20201103.vcf.gz ${sample}.rtg.vcf.gz -f ${benchmarking_dir}/Quartet.callable.voted.collapse.bed --threads $nt -o ${sample} -r ${ref_dir}/${fasta}
	    elif [[ ${sample} =~ "LCL6" ]]; then
	    	/opt/hap.py/bin/hap.py ${benchmarking_dir}/LCL6.ref.v20201103.vcf.gz ${sample}.rtg.vcf.gz -f ${benchmarking_dir}/Quartet.callable.voted.collapse.bed --threads $nt -o ${sample} -r ${ref_dir}/${fasta}
        elif [[ ${sample} =~ "LCL7" ]]; then
        	/opt/hap.py/bin/hap.py ${benchmarking_dir}/LCL7.ref.v20201103.vcf.gz ${sample}.rtg.vcf.gz -f ${benchmarking_dir}/Quartet.callable.voted.collapse.bed --threads $nt -o ${sample} -r ${ref_dir}/${fasta}
	    elif [[ ${sample} =~ "LCL8" ]]; then
			/opt/hap.py/bin/hap.py ${benchmarking_dir}/LCL8.ref.v20201103.vcf.gz ${sample}.rtg.vcf.gz -f ${benchmarking_dir}/Quartet.callable.voted.collapse.bed --threads $nt -o ${sample} -r ${ref_dir}/${fasta}
        else
        	echo "only for quartet samples"
        fi		
	>>>

	runtime {
		docker:docker
		cluster:cluster_config
		systemDisk:"cloud_ssd 40"
		dataDisk:"cloud_ssd " + disk_size + " /cromwell_root/"
	}

	output {
		File rtg_vcf = "${sample}.rtg.vcf.gz"
		File rtg_vcf_index = "${sample}.rtg.vcf.gz.tbi"
		File gzip_vcf = "${sample}.vcf.gz"
		File gzip_vcf_index = "${sample}.vcf.gz.tbi"
		File roc_all_csv = "${sample}.roc.all.csv.gz"
		File roc_indel = "${sample}.roc.Locations.INDEL.csv.gz"
		File roc_indel_pass = "${sample}.roc.Locations.INDEL.PASS.csv.gz"
		File roc_snp = "${sample}.roc.Locations.SNP.csv.gz"
		File roc_snp_pass = "${sample}.roc.Locations.SNP.PASS.csv.gz"
		File summary = "${sample}.summary.csv"
		File extended = "${sample}.extended.csv"
		File metrics = "${sample}.metrics.json.gz"
	}
}