def VERSION = '2.0.1'

process MIRDEEP2_RUN {
    label 'process_medium'
    errorStrategy 'ignore'

    conda 'bioconda::mirdeep2=2.0.1'
    container "${ workflow.containerEngine == 'singularity' && !task.ext.singularity_pull_docker_container ?
        'https://depot.galaxyproject.org/singularity/mirdeep2:2.0.1.3--hdfd78af_1' :
        'biocontainers/mirdeep2:2.0.1.3--hdfd78af_1' }"

    input:
    path(fasta)
    tuple path(reads), path(arf)
    tuple val(meta2), path(hairpin)
    tuple val(meta2), path(mature)

    output:
    path 'result*.{bed,csv,html}', emit: result
    path "versions.yml"          , emit: versions

    when:
    task.ext.when == null || task.ext.when

    script:
    """
    miRDeep2.pl  \\
        $reads   \\
        $fasta   \\
        $arf     \\
        $mature  \\
        none     \\
        $hairpin \\
        -d       \\
        -z _${reads.simpleName}

    cat <<-END_VERSIONS > versions.yml
    ${task.process}":
        mirdeep2: \$(echo "$VERSION")
    END_VERSIONS
    """
}

