// Import generic module functions
include { initOptions; saveFiles; getSoftwareName; getProcessName } from './functions'

params.options = [:]
options        = initOptions(params.options)

process BEDTOOLS_INTERSECT {
    tag "$meta.id"
    label 'process_medium'
    publishDir "${params.outdir}",
        mode: params.publish_dir_mode,
        saveAs: { filename -> saveFiles(filename:filename, options:params.options, publish_dir:getSoftwareName(task.process), meta:meta, publish_by_meta:['id']) }

    conda (params.enable_conda ? "bioconda::bedtools=2.30.0" : null)
    if (workflow.containerEngine == 'singularity' && !params.singularity_pull_docker_container) {
        container "https://depot.galaxyproject.org/singularity/bedtools:2.30.0--hc088bd4_0"
    } else {
        container "quay.io/biocontainers/bedtools:2.30.0--hc088bd4_0"
    }

    input:
    tuple val(meta), path(intervals1), path(intervals2)
    val extension

    output:
    tuple val(meta), path("*.${extension}"), emit: intersect
    path  "versions.yml"                   , emit: version

    script:
    def software = getSoftwareName(task.process)
    def prefix   = options.suffix ? "${meta.id}${options.suffix}" : "${meta.id}"
    """
    bedtools \\
        intersect \\
        -a $intervals1 \\
        -b $intervals2 \\
        $options.args \\
        > ${prefix}.${extension}

    cat <<-END_VERSIONS > versions.yml
    ${getProcessName(task.process)}:
        ${getSoftwareName(task.process)}: \$(bedtools --version | sed -e "s/bedtools v//g")
    END_VERSIONS
    """
}