{
    "$schema": "http://json-schema.org/draft-04/schema#",
    "title": "ZikulaComposer",
    "description": "Zikula Extension composer.json",
    "type": "object",
    "properties": {
        "name": {"type": "string"},
        "version": {"type": "string"},
        "description": {"type": "string"},
        "type": {
            "type": "string",
            "enum": ["zikula-module", "zikula-theme", "zikula-system-module", "zikula-system-theme"]
        },
        "license": {
            "type": ["string", "array"],
            "minItems": 1
        },
        "authors": {
            "type": "array",
            "items": {
                "type": "object",
                "additionalProperties": false,
                "properties": {
                    "name": {"type": "string"},
                    "email": {
                        "type": "string",
                        "format": "email"
                    },
                    "homepage": {
                        "type": "string",
                        "format": "uri"
                    },
                    "role": {"type": "string"}
                },
                "required": ["name"]
            },
            "uniqueItems": true
        },
        "autoload": {
            "type": "object",
            "description": "Description of how the package can be autoloaded.",
            "properties": {
                "psr-0": {
                    "type": "object",
                    "additionalProperties": true
                },
                "psr-4": {
                    "type": "object",
                    "additionalProperties": true
                }
            },
            "required": ["psr-4"]
        },
        "require": {
            "type": "object",
            "additionalProperties": true
        },
        "require-dev": {
            "type": "object",
            "additionalProperties": true
        },
        "suggest": {
            "type": "object",
            "additionalProperties": true
        },
        "extra": {
            "type": "object",
            "properties": {
                "zikula": {
                    "type": "object",
                    "properties": {
                        "core-compatibility": {"type": "string"},
                        "class": {"type": "string"},
                        "displayname": {"type": "string"},
                        "url": {"type": "string"},
                        "icon": {"type": "string"},
                        "oldnames": {"type": "array"},
                        "capabilities": {
                            "type": "object",
                            "additionalProperties": true
                        },
                        "securityschema": {
                            "type": "object",
                            "additionalProperties": true
                        }
                    },
                    "required": ["core-compatibility", "class", "icon"],
                    "additionalProperties": false
                }
            },
            "required": ["zikula"],
            "additionalProperties": true
        }
    },
    "required": ["name", "description", "type", "license", "authors", "require", "extra", "autoload"]
}