description: "Schema for a minimal PEP"
version: "2.0.0"
properties:
  config:
    properties:
      name: 
        type: string
        pattern: "^\\S*$"
        description: "Project name with no whitespace"
      pep_version:
        description: "Version of the PEP Schema this PEP follows"
        type: string
      sample_table:
        type: string
        description: "Path to the sample annotation table with one row per sample"
      subsample_table:
        type: string
        description: "Path to the subsample annotation table with one row per subsample and sample_name attribute matching an entry in the sample table"
      sample_modifiers:
        type: object
        properties:
          append:
            type: object
          duplicate:
            type: object
          imply:
            type: array
            items:
              type: object
              properties:
                if:
                  type: object
                then:
                  type: object
          derive:
            type: object
            properties:
              attributes:
                type: array
                items:
                  type: string
              sources:
                type: object
        project_modifiers:
          type: object
          properties:
            amend:
              description: "Object overwriting original project attributes"
              type: object
            import:
              description: "List of external PEP project config files to import"
              type: array
              items:
                type: string
    required:
      - pep_version
  samples:
    type: array
    items:
      type: object
      properties:
        sample_name: 
          type: string
          pattern: "^\\S*$"
          description: "Unique name of the sample with no whitespace"
      required:
        - sample_name
required:
  - samples