{
  "$schema": "https://json-schema.org/draft-07/schema",
  "$id": "https://github.com/getarcaneapp/templates/schema.json",
  "title": "Arcane Templates Registry Schema",
  "description": "Schema for Docker Compose template registry configuration",
  "type": "object",
  "properties": {
    "$schema": {
      "type": "string",
      "description": "Optional JSON Schema meta reference in the registry file."
    },
    "name": {
      "description": "The name of the template registry.",
      "type": "string",
      "minLength": 1
    },
    "description": {
      "description": "A brief description of the template registry and its purpose.",
      "type": "string",
      "minLength": 1
    },
    "version": {
      "description": "The version of the registry using semantic versioning.",
      "$ref": "#/definitions/semver"
    },
    "author": {
      "description": "The author or organization maintaining the registry.",
      "type": "string",
      "minLength": 1
    },
    "url": {
      "description": "The URL to the registry repository or homepage.",
      "$ref": "#/definitions/url"
    },
    "templates": {
      "description": "An array of Docker Compose templates available in the registry.",
      "type": "array",
      "items": { "$ref": "#/definitions/template" },
      "minItems": 1
    }
  },
  "required": ["name", "description", "version", "author", "url", "templates"],
  "additionalProperties": false,
  "definitions": {
    "semver": {
      "type": "string",
      "description": "Semantic Versioning 2.0.0",
      "pattern": "^(0|[1-9]\\d*)\\.(0|[1-9]\\d*)\\.(0|[1-9]\\d*)(?:-((?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\\.(?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\\+([0-9a-zA-Z-]+(?:\\.[0-9a-zA-Z-]+)*))?$"
    },
    "slug": {
      "type": "string",
      "description": "Lowercase slug with hyphens only.",
      "pattern": "^[a-z0-9-]+$",
      "minLength": 1
    },
    "tag": {
      "type": "string",
      "description": "Tag with letters, numbers, and hyphens.",
      "pattern": "^[a-zA-Z0-9-]+$",
      "minLength": 1
    },
    "url": { "type": "string", "format": "uri" },
    "template": {
      "type": "object",
      "properties": {
        "id": {
          "description": "A unique identifier for the template. Must be lowercase with hyphens only.",
          "$ref": "#/definitions/slug"
        },
        "name": {
          "description": "The human-readable name of the template.",
          "type": "string",
          "minLength": 1
        },
        "description": {
          "description": "A detailed description of what the template provides and its use case.",
          "type": "string",
          "minLength": 1
        },
        "version": {
          "description": "The version of the template using semantic versioning.",
          "$ref": "#/definitions/semver"
        },
        "author": {
          "description": "The author or organization that created the template.",
          "type": "string",
          "minLength": 1
        },
        "compose_url": {
          "description": "The direct URL to the docker-compose.yml file for this template.",
          "$ref": "#/definitions/url"
        },
        "env_url": {
          "description": "The direct URL to the environment variables example file (.env.example).",
          "$ref": "#/definitions/url"
        },
        "documentation_url": {
          "description": "The URL to the template's documentation or README.",
          "$ref": "#/definitions/url"
        },
        "content_hash": {
          "description": "SHA-256 fingerprint of the template source files used to detect updates.",
          "type": "string",
          "pattern": "^[a-f0-9]{64}$"
        },
        "tags": {
          "description": "An array of tags for categorizing and searching templates.",
          "type": "array",
          "items": { "$ref": "#/definitions/tag" },
          "minItems": 1,
          "uniqueItems": true
        }
      },
      "required": [
        "id",
        "name",
        "description",
        "version",
        "author",
        "compose_url",
        "env_url",
        "documentation_url",
        "content_hash",
        "tags"
      ],
      "additionalProperties": false
    }
  }
}