{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://metabuilder.dev/schemas/json-script-components.schema.json",
  "title": "JSON Script Components",
  "description": "Declarative UI component definitions for JSON scripts",
  "type": "object",
  "required": ["schema_version", "package"],
  "properties": {
    "$schema": {
      "type": "string",
      "description": "JSON Schema reference"
    },
    "schema_version": {
      "type": "string",
      "description": "Schema version",
      "pattern": "^\\d+\\.\\d+\\.\\d+$"
    },
    "package": {
      "type": "string",
      "description": "Package identifier"
    },
    "description": {
      "type": "string",
      "description": "Component file description"
    },
    "exports": {
      "type": "object",
      "description": "Exported components",
      "properties": {
        "components": {
          "type": "array",
          "items": { "type": "string" }
        }
      }
    },
    "components": {
      "type": "array",
      "description": "Component definitions",
      "items": {
        "$ref": "#/definitions/component"
      }
    }
  },
  "definitions": {
    "component": {
      "type": "object",
      "required": ["id", "name", "render"],
      "properties": {
        "id": {
          "type": "string",
          "description": "Unique component identifier (snake_case)"
        },
        "name": {
          "type": "string",
          "description": "Component name (PascalCase)"
        },
        "exported": {
          "type": "boolean",
          "description": "Whether component is exported",
          "default": false
        },
        "docstring": {
          "$ref": "#/definitions/docstring"
        },
        "props": {
          "type": "array",
          "description": "Component prop definitions",
          "items": {
            "$ref": "#/definitions/prop"
          }
        },
        "state": {
          "type": "object",
          "description": "Component state with initial values",
          "additionalProperties": true
        },
        "handlers": {
          "type": "object",
          "description": "Event handler definitions",
          "additionalProperties": {
            "$ref": "#/definitions/handler"
          }
        },
        "computed": {
          "type": "object",
          "description": "Computed property definitions",
          "additionalProperties": {
            "$ref": "#/definitions/computedProperty"
          }
        },
        "render": {
          "$ref": "#/definitions/renderDefinition"
        }
      }
    },
    "prop": {
      "type": "object",
      "required": ["name", "type"],
      "properties": {
        "name": {
          "type": "string",
          "description": "Prop name"
        },
        "type": {
          "type": "string",
          "description": "Prop type",
          "enum": ["string", "number", "boolean", "object", "array", "function", "any"]
        },
        "optional": {
          "type": "boolean",
          "description": "Whether prop is optional",
          "default": false
        },
        "default": {
          "description": "Default prop value"
        },
        "description": {
          "type": "string",
          "description": "Prop description"
        }
      }
    },
    "handler": {
      "type": "object",
      "required": ["body"],
      "properties": {
        "params": {
          "type": "array",
          "description": "Handler parameter names",
          "items": { "type": "string" }
        },
        "body": {
          "type": "array",
          "description": "Handler statements",
          "items": {
            "$ref": "#/definitions/statement"
          }
        }
      }
    },
    "computedProperty": {
      "type": "object",
      "required": ["deps", "compute"],
      "properties": {
        "deps": {
          "type": "array",
          "description": "Dependencies to watch",
          "items": { "type": "string" }
        },
        "compute": {
          "description": "Computation expression or call"
        }
      }
    },
    "renderDefinition": {
      "type": "object",
      "required": ["type"],
      "properties": {
        "type": {
          "type": "string",
          "description": "Render type",
          "enum": ["component", "element"]
        },
        "template": {
          "$ref": "#/definitions/templateNode"
        }
      }
    },
    "templateNode": {
      "type": "object",
      "required": ["type"],
      "properties": {
        "type": {
          "type": "string",
          "description": "HTML element type or 'component'"
        },
        "className": {
          "type": "string",
          "description": "CSS class name"
        },
        "style": {
          "type": "object",
          "description": "Inline styles"
        },
        "children": {
          "oneOf": [
            { "type": "string" },
            { "type": "array", "items": { "$ref": "#/definitions/templateNodeOrString" } }
          ]
        },
        "name": {
          "type": "string",
          "description": "Component name (when type is 'component')"
        },
        "props": {
          "type": "object",
          "description": "Component props"
        },
        "inputType": {
          "type": "string",
          "description": "Input type (for input elements)"
        },
        "value": {
          "description": "Input value"
        },
        "onChange": {
          "description": "Change handler reference"
        },
        "onClick": {
          "description": "Click handler reference"
        },
        "if": {
          "description": "Conditional rendering expression"
        },
        "each": {
          "type": "string",
          "description": "Array reference for iteration"
        },
        "as": {
          "type": "string",
          "description": "Item variable name for iteration"
        }
      }
    },
    "templateNodeOrString": {
      "oneOf": [
        { "type": "string" },
        { "$ref": "#/definitions/templateNode" }
      ]
    },
    "statement": {
      "type": "object",
      "required": ["type"],
      "properties": {
        "type": {
          "type": "string",
          "description": "Statement type",
          "enum": [
            "setState",
            "call_expression",
            "if",
            "return",
            "const_declaration",
            "let_declaration",
            "assignment",
            "comment"
          ]
        },
        "updates": {
          "type": "object",
          "description": "State updates (for setState)"
        },
        "callee": {
          "type": "string",
          "description": "Function to call"
        },
        "args": {
          "type": "array",
          "description": "Function arguments"
        }
      }
    },
    "docstring": {
      "type": "object",
      "properties": {
        "summary": {
          "type": "string",
          "description": "Brief summary"
        },
        "description": {
          "type": "string",
          "description": "Detailed description"
        },
        "props": {
          "type": "array",
          "description": "Prop documentation",
          "items": {
            "type": "object",
            "properties": {
              "name": { "type": "string" },
              "type": { "type": "string" },
              "description": { "type": "string" },
              "optional": { "type": "boolean" },
              "default": {}
            }
          }
        },
        "examples": {
          "type": "array",
          "description": "Usage examples",
          "items": {
            "type": "object",
            "properties": {
              "title": { "type": "string" },
              "code": { "type": "string" }
            }
          }
        },
        "since": {
          "type": "string",
          "description": "Version when added"
        },
        "tags": {
          "type": "array",
          "description": "Documentation tags",
          "items": { "type": "string" }
        },
        "see": {
          "type": "array",
          "description": "Related references",
          "items": { "type": "string" }
        }
      }
    }
  }
}