{
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "$id": "https://example.com/schemas/schema_preprocessing.json",
    "title": "nf-core/differentialabundance pipeline - params.data_preprocessing schema",
    "description": "Schema for the file provided with params.data_preprocessing",
    "type": "array",
    "items": {
        "type": "object",
        "properties": {
            "id": {
                "type": "string",
                "meta": ["id"]
            },
            "protocol": {
                "type": "string",
                "enum": ["ibis"],
                "meta": ["protocol"]
            },
            "background_type": {
                "type": "string",
                "enum": ["aliens", "shade", "shuffle"],
                "meta": ["background_type"]
            },
            "variable": {
                "type": "string",
                "meta": ["variable"]
            },
            "target": {
                "type": "string",
                "meta": ["target"]
            },
            "background": {
                "type": "string",
                "meta": ["background"],
                "default": ""
            },
            "shade_args": {
                "type": "string",
                "meta": ["shade_args"],
                "default": ""
            }
        },
        "required": ["id", "protocol"],
        "allOf": [
            {
                "if": {
                    "properties": { "protocol": { "const": "ibis" } }
                },
                "then": {
                    "required": ["background_type", "variable", "target"]
                }
            },
            {
                "if": {
                    "properties": { "background_type": { "const": "aliens" } }
                },
                "then": {
                    "required": ["background"]
                }
            },
            {
                "if": {
                    "properties": { "background_type": { "const": "shade" } }
                },
                "then": {
                    "required": ["shade_args"]
                }
            }
        ],
        "additionalProperties": false
    }
}