#!/usr/bin/env cwl-runner

cwlVersion: v1.0
class: Workflow
label: "fp_filter workflow"
requirements:
    - class: SubworkflowFeatureRequirement
    - class: StepInputExpressionRequirement
inputs:
    bam:
        type: File
        secondaryFiles: [.bai,^.bai]
    reference:
        type:
            - string
            - File
        secondaryFiles: [.fai, ^.dict]
    vcf:
        type: File
        secondaryFiles: [.tbi]
    variant_caller:
        string
    sample_name:
        string?
    min_var_freq:
        float?
outputs:
    unfiltered_vcf:
        type: File
        outputSource: fp_index/indexed_vcf
        secondaryFiles: [.tbi]
    filtered_vcf:
        type: File
        outputSource: hard_filter/filtered_vcf
        secondaryFiles: [.tbi]
steps:
    sanitize_vcf:
        run: ../tools/vcf_sanitize.cwl
        in:
            vcf: vcf
        out:
            [sanitized_vcf]
    normalize_variants:
        run: ../tools/normalize_variants.cwl
        in:
            reference: reference
            vcf: sanitize_vcf/sanitized_vcf
        out:
            [normalized_vcf]
    decompose_variants:
        run: ../tools/vt_decompose.cwl
        in:
            vcf: normalize_variants/normalized_vcf
        out:
            [decomposed_vcf]
    index:
        run: ../tools/index_vcf.cwl
        in:
            vcf: decompose_variants/decomposed_vcf
        out:
            [indexed_vcf]
    fp_filter:
        run: ../tools/fp_filter.cwl
        in:
            reference: reference
            bam: bam
            vcf: index/indexed_vcf
            sample_name: sample_name
            min_var_freq: min_var_freq
            output_vcf_basename:
                source: variant_caller
                valueFrom: $(self)_full
        out:
            [filtered_vcf]
    fp_bgzip:
        run: ../tools/bgzip.cwl
        in:
            file: fp_filter/filtered_vcf
        out:
            [bgzipped_file]
    fp_index:
        run: ../tools/index_vcf.cwl
        in:
            vcf: fp_bgzip/bgzipped_file
        out:
            [indexed_vcf]
    hard_filter:
        run: ../tools/select_variants.cwl
        in:
            reference: reference
            vcf: fp_index/indexed_vcf
            exclude_filtered: 
                default: true
            output_vcf_basename:
                source: variant_caller
                valueFrom: $(self)_filtered
        out:
            [filtered_vcf]