task Generate {
    input {
        String? preCommand
        File? toolJar
        File fastqR1
        File fastqR2
        String outputFile
        String? sample
        String? library
        String? readgroup

        Int memory = 4
        Float memoryMultiplier = 2.0
    }

    String toolCommand = if defined(toolJar)
        then "java -Xmx" + memory + "G -jar " + toolJar
        else "biopet-seqstat -Xmx" + memory + "G"

    command {
        set -e -o pipefail
        ~{preCommand}
        mkdir -p $(dirname ~{outputFile})
        ~{toolCommand} \
        --fastqR1 ~{fastqR1} \
        --fastqR2 ~{fastqR2} \
        --output ~{outputFile} \
        ~{"--sample " + sample} \
        ~{"--library " + library } \
        ~{"--readgroup " + readgroup }
    }

    output {
        File json = outputFile
    }

    runtime {
        memory: ceil(memory * memoryMultiplier)
    }
}