{
    "$schema": "http://json-schema.org/draft-04/schema#",
    "title": "NetKAN JSON Schema",
    "description": "Schema for validating NetKAN files",
    "type": "object",
    "properties": {
        "abstract": { "$ref": "https://raw.githubusercontent.com/KSP-CKAN/CKAN/master/CKAN.schema#/properties/abstract" },
        "author": { "$ref": "https://raw.githubusercontent.com/KSP-CKAN/CKAN/master/CKAN.schema#/properties/author" },
        "comment": { "$ref": "https://raw.githubusercontent.com/KSP-CKAN/CKAN/master/CKAN.schema#/properties/comment" },
        "conflicts": { "$ref": "https://raw.githubusercontent.com/KSP-CKAN/CKAN/master/CKAN.schema#/properties/conflicts" },
        "depends": { "$ref": "https://raw.githubusercontent.com/KSP-CKAN/CKAN/master/CKAN.schema#/properties/depends" },
        "description": { "$ref": "https://raw.githubusercontent.com/KSP-CKAN/CKAN/master/CKAN.schema#/properties/description" },
        "download": { "$ref": "https://raw.githubusercontent.com/KSP-CKAN/CKAN/master/CKAN.schema#/properties/download" },
        "download_content_type": { "$ref": "https://raw.githubusercontent.com/KSP-CKAN/CKAN/master/CKAN.schema#/properties/download_content_type" },
        "download_hash": { "$ref": "https://raw.githubusercontent.com/KSP-CKAN/CKAN/master/CKAN.schema#/properties/download_hash" },
        "download_size": { "$ref": "https://raw.githubusercontent.com/KSP-CKAN/CKAN/master/CKAN.schema#/properties/download_size" },
        "identifier": { "$ref": "https://raw.githubusercontent.com/KSP-CKAN/CKAN/master/CKAN.schema#/properties/identifier" },
        "install": { "$ref": "https://raw.githubusercontent.com/KSP-CKAN/CKAN/master/CKAN.schema#/properties/install" },
        "install_size": { "$ref": "https://raw.githubusercontent.com/KSP-CKAN/CKAN/master/CKAN.schema#/properties/install_size" },
        "kind": { "$ref": "https://raw.githubusercontent.com/KSP-CKAN/CKAN/master/CKAN.schema#/properties/kind" },
        "ksp_version": { "$ref": "https://raw.githubusercontent.com/KSP-CKAN/CKAN/master/CKAN.schema#/properties/ksp_version" },
        "ksp_version_max": { "$ref": "https://raw.githubusercontent.com/KSP-CKAN/CKAN/master/CKAN.schema#/properties/ksp_version_max" },
        "ksp_version_min": { "$ref": "https://raw.githubusercontent.com/KSP-CKAN/CKAN/master/CKAN.schema#/properties/ksp_version_min" },
        "ksp_version_strict": { "$ref": "https://raw.githubusercontent.com/KSP-CKAN/CKAN/master/CKAN.schema#/properties/ksp_version_strict" },
        "license": { "$ref": "https://raw.githubusercontent.com/KSP-CKAN/CKAN/master/CKAN.schema#/properties/license" },
        "localizations": { "$ref": "https://raw.githubusercontent.com/KSP-CKAN/CKAN/master/CKAN.schema#/properties/localizations" },
        "name": { "$ref": "https://raw.githubusercontent.com/KSP-CKAN/CKAN/master/CKAN.schema#/properties/name" },
        "provides": { "$ref": "https://raw.githubusercontent.com/KSP-CKAN/CKAN/master/CKAN.schema#/properties/provides" },
        "recommends": { "$ref": "https://raw.githubusercontent.com/KSP-CKAN/CKAN/master/CKAN.schema#/properties/recommends" },
        "release_date": { "$ref": "https://raw.githubusercontent.com/KSP-CKAN/CKAN/master/CKAN.schema#/properties/release_date" },
        "release_status": { "$ref": "https://raw.githubusercontent.com/KSP-CKAN/CKAN/master/CKAN.schema#/properties/release_status" },
        "replaced_by": { "$ref": "https://raw.githubusercontent.com/KSP-CKAN/CKAN/master/CKAN.schema#/properties/replaced_by" },
        "resources": { "$ref": "https://raw.githubusercontent.com/KSP-CKAN/CKAN/master/CKAN.schema#/properties/resources" },
        "spec_version": { "$ref": "https://raw.githubusercontent.com/KSP-CKAN/CKAN/master/CKAN.schema#/properties/spec_version" },
        "suggests": { "$ref": "https://raw.githubusercontent.com/KSP-CKAN/CKAN/master/CKAN.schema#/properties/suggests" },
        "supports": { "$ref": "https://raw.githubusercontent.com/KSP-CKAN/CKAN/master/CKAN.schema#/properties/supports" },
        "tags": { "$ref": "https://raw.githubusercontent.com/KSP-CKAN/CKAN/master/CKAN.schema#/properties/tags" },
        "version": { "$ref": "https://raw.githubusercontent.com/KSP-CKAN/CKAN/master/CKAN.schema#/properties/version" },

        "$kref": {
            "description": "Indicates that data should be filled in from an external service provider",
            "type": "string",
            "oneOf": [
                {
                    "pattern": "^#/ckan/spacedock/[0-9]+$",
                    "description": "Indicates that data should be fetched from SpaceDock"
                },
                {
                    "pattern": "^#/ckan/github/[A-Za-z0-9_-]+/[A-Za-z0-9_-]+(/asset_match/.+|/version_from_asset/.+)?$",
                    "description": "Indicates that data should be fetched from the GitHub user and repo provided"
                },
                {
                    "pattern": "^#/ckan/gitlab/[A-Za-z0-9_-]+/[A-Za-z0-9_-]+$",
                    "description": "Indicates that data should be fetched from the GitLab  user and repo provided"
                },
                {
                    "pattern": "^#/ckan/gitea/[A-Za-z0-9_.-]+/[A-Za-z0-9_-]+/[A-Za-z0-9_-]+$",
                    "description": "Indicates that data should be fetched from the Gitea host, user, and repo provided"
                },
                {
                    "pattern": "^#/ckan/sourceforge/.+$",
                    "description": "Indicates that data should be fetched from SourceForge using the repo provided"
                },
                {
                    "pattern": "^#/ckan/jenkins/.+$",
                    "description": "Indicates that data should be fetched from a Jenkins CI server using the joburl provided"
                },
                {
                    "pattern": "^#/ckan/http/.+$",
                    "description": "Indicates data should be fetched from an HTTP server, using the URL provided"
                },
                {
                    "pattern": "^#/ckan/ksp-avc/.+$",
                    "description": "Indicates that data should be fetched from a KSP-AVC .version file at the URL provided"
                },
                {
                    "pattern": "^#/ckan/netkan/.+$",
                    "description": "Indicates that data should be fetched from the .netkan file at the given URL"
                }
            ]
        },
        "$vref": {
            "description": "Indicates that version data should be filled in from an external service provider",
            "type": "string",
            "oneOf": [
                {
                    "pattern": "^#/ckan/ksp-avc(/.*)?$",
                    "description": "Version information should be retrieved from an embedded KSP-AVC .version file inside the downloaded file"
                },
                {
                    "pattern": "^#/ckan/space-warp(/.*)?$",
                    "description": "Version information should be retrieved from an embedded SpaceWarp swinfo.json file inside the downloaded file"
                }
            ]
        },
        "x_netkan_trust_version_file": {
            "description": "If true (and $vref is set), set the version property to the VERSION specified in the .version file",
            "type": "boolean"
        },
        "x_netkan_epoch": {
            "description": "Specifies a minimum epoch number manually in the version field",
            "type": "integer"
        },
        "x_netkan_allow_out_of_order": {
            "description": "If true, then this module allows a freshly released version to have a version number smaller than previously existing releases",
            "type": "boolean"
        },
        "x_netkan_force_v": {
            "description": "If true, then a v is prepended to the version field if not already present",
            "type": "boolean"
        },
        "x_netkan_version_edit": {
            "oneOf": [
                {
                    "description": "Regex to match against the existing version field",
                    "type": "string"
                },
                {
                    "type": "object",
                    "properties": {
                        "find": {
                            "description": "Regex to match against the existing version field",
                            "type": "string"
                        },
                        "replace": {
                            "description": "Regex substitution string to use as the value of the new version field",
                            "type": "string"
                        },
                        "strict": {
                            "description": "If true, produce an error if the find regex fails to match",
                            "type": "boolean"
                        }
                    },
                    "required": [
                        "find"
                    ]
                }
            ]
        },
        "x_netkan_override": {
            "type": "array",
            "items": {
                "type": "object",
                "properties": {
                    "version": {
                        "oneOf": [
                            {
                                "description": "Version comparison string to match against version",
                                "type": "string"
                            },
                            {
                                "description": "Version comparison strings to match against version",
                                "type": "array",
                                "items": {
                                    "description": "Version comparison string to match against version",
                                    "type": "string"
                                }
                            }
                        ]
                    },
                    "before": {
                        "description": "Name of a transformation for this override to happen directly before",
                        "$ref": "#/definitions/inflation_steps"
                    },
                    "after": {
                        "description": "Name of a transformation for this override to happen directly after",
                        "$ref": "#/definitions/inflation_steps"
                    },
                    "override": {
                        "description": "An object whose fields will replace the fields already present if a match occurs",
                        "type": "object"
                    },
                    "delete": {
                        "description": "Array of names of fields to remove if a match occurs",
                        "type": "array",
                        "items": {
                            "description": "Name of field to remove if a match occurs",
                            "type": "string"
                        }
                    }
                }
            }
        },
        "x_netkan_staging": {
            "type": "boolean",
            "description": "If true, changed metadata files for this module will be committed to a separate module-specific branch and a pull request will be created to merge this branch"
        },
        "x_netkan_staging_reason": {
            "type": "string",
            "description": "Explanation of why staging is enabled for this module to be pasted into the pull request"
        },
        "x_netkan_jenkins": {
            "description": "Customizes how the metadata is fetched from the Jenkins server",
            "type": "object",
            "properties": {
                "build": {
                    "description": "Type of build to use",
                    "enum": [
                        "any",
                        "completed",
                        "failed",
                        "stable",
                        "successful",
                        "unstable",
                        "unsuccessful"
                    ]
                },
                "asset_match": {
                    "description": "Regex to select which artifact to use by filename",
                    "type": "string"
                },
                "use_filename_version": {
                    "description": "If true, use the filename of the matched artifact as the value of the version property",
                    "type": "boolean"
                }
            }
        },
        "x_netkan_github": {
            "description": "Customizes how the metadata is fetched from GitHub",
            "type": "object",
            "properties": {
                "use_source_archive": {
                    "description": "If true, the release's source ZIP will be used instead of an asset",
                    "type": "boolean"
                },
                "prereleases": {
                    "description": "Skip prereleases if false, skip regular releases if true, use both if absent",
                    "type": "boolean"
                }
            }
        },
        "x_netkan_gitlab": {
            "description": "Customizes how the metadata is fetched from GitLab",
            "type": "object",
            "properties": {
                "use_source_archive": {
                    "description": "If true, the release's source ZIP will be used instead of an asset",
                    "type": "boolean"
                }
            }
        }
    },
    "required" : [
        "identifier"
    ],
    "oneOf": [
        {
            "required": [ "$kref" ]
        },
        {
            "required": [ "download" ]
        }
    ],
    "definitions": {
        "inflation_steps": {
            "enum": [
                "$none",
                "$all",
                "avc",
                "download_attributes",
                "epoch",
                "forced_v",
                "generated_by",
                "github",
                "http",
                "internal_ckan",
                "jenkins",
                "metanetkan",
                "optimus_prime",
                "property_sort",
                "spacedock",
                "curse",
                "strip_netkan_metadata",
                "version_edit",
                "versioned_override"
            ]
        }
    }
}