task batch {
    String sample_id
    Array[File] tumor_bam
    Array[File] tumor_bai
    Array[File] normal_bam
    Array[File] normal_bai
    File bed
    File fasta
    File fai
    File access_bed
    String docker
	String cluster_config
	String disk_size

    command <<<
	    set -o pipefail
        set -e
        mkdir -p /cromwell_root/tmp/cnvkit
		cp ${sep=' ' normal_bai} /cromwell_root/tmp/cnvkit
        cp ${sep=' ' tumor_bai} /cromwell_root/tmp/cnvkit
		cd /cromwell_root/tmp/cnvkit

        cnvkit.py batch ${sep=' ' tumor_bam} --normal ${sep=' ' normal_bam} \
        --targets ${bed} \
        --fasta ${fasta} --access ${access_bed} \
        --output-reference my_reference.cnn --output-dir ./results/ \
        --diagram --scatter
    >>>

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

    output {
        File reference_cnn = "my_reference.cnn"
        Array[File] result = glob("result/*")
    }
}