{
	"$schema": "https://json-schema.org/draft/2020-12/schema",
	"$id": "https://kattebak.github.io/typespec-opensearch-emitter/schema/dependencies.schema.json",
	"title": "dependencies",
	"description": "Cross-domain joins a projection composes its document from, closed over transitive joins: one object per @dependsOn declaration reached from the projection, including those declared on a joined document. Emitted on the opensearch-projections.json entry of the projection.",
	"type": "array",
	"items": {
		"type": "object",
		"required": ["entity", "direction", "joinKey", "field"],
		"additionalProperties": false,
		"properties": {
			"entity": {
				"description": "Joined model.",
				"type": "string",
				"minLength": 1
			},
			"direction": {
				"description": "lookup fetches the row while the document is composed; inbound marks a write on the joined model as a re-index trigger for the driving document.",
				"enum": ["lookup", "inbound"]
			},
			"joinKey": {
				"description": "Property the join runs over — on the projection's source model for a lookup, on the joined model for an inbound.",
				"type": "string",
				"minLength": 1
			},
			"field": {
				"description": "Key path the joined value lands at in the composed document, projected names throughout — dotted when the join is declared on a joined document rather than on this one. A lookup fills a single-valued key, an inbound an array.",
				"type": "string",
				"minLength": 1,
				"pattern": "^[^.]+(\\.[^.]+)*$"
			},
			"index": {
				"description": "Index the joined rows are discovered by, carried from the entity's resolvableBy declaration. An inbound join only.",
				"type": "string",
				"minLength": 1
			}
		},
		"allOf": [
			{
				"if": {
					"properties": { "direction": { "const": "inbound" } },
					"required": ["direction"]
				},
				"then": {
					"properties": { "index": { "type": "string", "minLength": 1 } },
					"required": ["index"]
				}
			},
			{
				"if": {
					"properties": { "direction": { "const": "lookup" } },
					"required": ["direction"]
				},
				"then": { "properties": { "index": false } }
			}
		]
	}
}