{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://dripcouncil.org/schemas/drip_case_index_v1.schema.json",
  "title": "Drip Council case-library index v1",
  "description": "The static, public index of Council Worlds curriculum cases.",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "schema",
    "site",
    "version",
    "description",
    "live_case",
    "cases"
  ],
  "properties": {
    "schema": {
      "const": "drip_council_cases_index_v1"
    },
    "site": {
      "type": "string",
      "format": "uri"
    },
    "version": {
      "type": "string",
      "pattern": "^[0-9]+\\.[0-9]+\\.[0-9]+$"
    },
    "description": {
      "type": "string",
      "minLength": 20,
      "maxLength": 600
    },
    "live_case": {
      "type": "string",
      "pattern": "^case_[0-9]{3}$"
    },
    "cases": {
      "type": "array",
      "minItems": 1,
      "maxItems": 100,
      "uniqueItems": true,
      "items": {
        "$ref": "#/$defs/caseEntry"
      }
    }
  },
  "$defs": {
    "caseEntry": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "id",
        "title",
        "level",
        "path",
        "worlds",
        "skills"
      ],
      "properties": {
        "id": {
          "type": "string",
          "pattern": "^case_[0-9]{3}$"
        },
        "title": {
          "type": "string",
          "minLength": 3,
          "maxLength": 120
        },
        "level": {
          "type": "integer",
          "minimum": 1,
          "maximum": 5
        },
        "path": {
          "type": "string",
          "pattern": "^/cases/case_[0-9]{3}\\.json$"
        },
        "worlds": {
          "type": "array",
          "minItems": 1,
          "maxItems": 4,
          "uniqueItems": true,
          "items": {
            "type": "string",
            "enum": [
              "market_js",
              "observatory_py",
              "boundary_rs",
              "collab"
            ]
          }
        },
        "skills": {
          "type": "array",
          "minItems": 1,
          "maxItems": 12,
          "uniqueItems": true,
          "items": {
            "type": "string",
            "pattern": "^[a-z][a-z0-9_]*$"
          }
        }
      }
    }
  }
}