{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://gardener.style/schema/capabilities.schema.json",
  "title": "Gardener capability matrix",
  "type": "object",
  "additionalProperties": false,
  "required": ["$schema", "schemaVersion", "capabilities"],
  "properties": {
    "$schema": { "enum": ["./capabilities.schema.json", "../metadata/capabilities.schema.json"] },
    "schemaVersion": { "const": 2 },
    "capabilities": { "type": "array", "minItems": 1, "uniqueItems": true, "items": { "$ref": "#/$defs/capability" } }
  },
  "$defs": {
    "name": { "type": "string", "pattern": "^[a-z][a-z0-9]*(?:-[a-z0-9]+)*$" },
    "selector": { "type": "string", "pattern": "^\\.g-[a-z0-9-]+$" },
    "uniqueStrings": { "type": "array", "minItems": 1, "items": { "type": "string", "minLength": 1 }, "uniqueItems": true },
    "identifiers": { "type": "array", "minItems": 1, "items": { "type": "string", "pattern": "^[a-z0-9]+(?:-[a-z0-9]+)*$" }, "uniqueItems": true },
    "numberMap": { "type": "object", "propertyNames": { "pattern": "^[a-z0-9-]+$" }, "additionalProperties": { "type": "number", "minimum": 0 } },
    "range": { "type": "array", "prefixItems": [{ "type": "integer" }, { "type": "integer" }], "items": false, "minItems": 2, "maxItems": 2 },
    "pattern": {
      "type": "object",
      "additionalProperties": false,
      "required": ["id", "selector"],
      "properties": {
        "id": { "$ref": "#/$defs/name" },
        "selector": { "$ref": "#/$defs/selector" },
        "purpose": { "type": "string", "minLength": 1 },
        "behaviors": { "type": "array", "items": { "$ref": "#/$defs/name" }, "minItems": 1, "uniqueItems": true },
        "adapters": { "type": "array", "items": { "enum": ["tauri", "electron"] }, "minItems": 1, "uniqueItems": true }
      }
    },
    "capability": {
      "type": "object",
      "additionalProperties": false,
      "required": ["id", "name", "category", "status", "rootSelectors", "features", "documentation", "tests"],
      "properties": {
        "id": { "type": "string", "pattern": "^[a-z][a-z0-9-]*(?:\\.[a-z][a-z0-9-]*)+$" },
        "name": { "type": "string", "minLength": 1 },
        "category": { "$ref": "#/$defs/name" },
        "status": { "enum": ["implemented", "experimental", "planned", "deprecated"] },
        "systems": { "type": "array", "items": { "type": "integer", "minimum": 1 }, "uniqueItems": true },
        "rootSelectors": { "type": "array", "items": { "$ref": "#/$defs/selector" }, "minItems": 1, "uniqueItems": true },
        "columnRange": { "$ref": "#/$defs/range" },
        "offsetRange": { "$ref": "#/$defs/range" },
        "lineRange": { "$ref": "#/$defs/range" },
        "orderRange": { "$ref": "#/$defs/range" },
        "breakpoints": { "$ref": "#/$defs/numberMap" },
        "containerBreakpoints": { "$ref": "#/$defs/numberMap" },
        "gutterSteps": { "type": "array", "items": { "type": "integer", "minimum": 0 }, "uniqueItems": true },
        "features": { "$ref": "#/$defs/identifiers" },
        "documentation": { "type": "string", "pattern": "^website/docs\\.html#[a-z0-9-]+$" },
        "tests": { "$ref": "#/$defs/identifiers" },
        "patterns": { "type": "array", "minItems": 1, "uniqueItems": true, "items": { "$ref": "#/$defs/pattern" } },
        "compatibleShells": { "type": "array", "minItems": 1, "items": { "$ref": "#/$defs/selector" }, "uniqueItems": true },
        "legacyAliases": { "type": "object", "propertyNames": { "pattern": "^\\.g-[a-z0-9-]+$" }, "additionalProperties": { "$ref": "#/$defs/selector" } },
        "placements": { "$ref": "#/$defs/identifiers" },
        "families": { "$ref": "#/$defs/identifiers" }
      }
    }
  }
}