c = require './common'
metaschema = require './metaschema'

attackSelfCode = """
class AttacksSelf extends Component
  @className: "AttacksSelf"
  chooseAction: ->
    @attack @
"""
systems = ["action", "ai", "alliance", "collision", "combat", "display", "event", "existence", "hearing", "inventory", "movement", "programming", "targeting", "ui", "vision", "misc", "physics"]

PropertyDocumentationSchema = c.object {
  title: "Property Documentation"
  description: "Documentation entry for a property this Component will add to its Thang which other Components might want to also use."
  "default":
    name: "foo"
    type: "object"
    description: "This Component provides a 'foo' property to satisfy all one's foobar needs. Use it wisely."
  required: ['name', 'type', 'description']
},
  name: {type: 'string', pattern: c.identifierPattern, title: "Name", description: "Name of the property."}
  type: c.shortString(title: "Type", description: "Intended type of the property.")  # not actual JS types, just whatever they describe...
  description: {type: 'string', description: "Description of the property.", maxLength: 1000}
  args: c.array {title: "Arguments", description: "If this property has type 'function', then provide documentation for any function arguments."}, c.FunctionArgumentSchema

DependencySchema = c.object {
  title: "Component Dependency"
  description: "A Component upon which this Component depends."
  "default":
    #original: ?
    majorVersion: 0
  required: ["original", "majorVersion"]
  format: 'latest-version-reference'
  links: [{rel: "db", href: "/db/level.component/{(original)}/version/{(majorVersion)}"}]
},
  original: c.objectId(title: "Original", description: "A reference to another Component upon which this Component depends.")
  majorVersion: {title: "Major Version", description: "Which major version of the Component this Component needs.", type: 'integer', minimum: 0}

LevelComponentSchema = c.object {
  title: "Component"
  description: "A Component which can affect Thang behavior."
  required: ["system", "name", "description", "code", "dependencies", "propertyDocumentation", "language"]
  "default":
    system: "ai"
    name: "AttacksSelf"
    description: "This Component makes the Thang attack itself."
    code: attackSelfCode
    language: "coffeescript"
    dependencies: []  # TODO: should depend on something by default
    propertyDocumentation: []
}
c.extendNamedProperties LevelComponentSchema  # let's have the name be the first property
LevelComponentSchema.properties.name.pattern = c.classNamePattern
_.extend LevelComponentSchema.properties,
  system: {title: "System", description: "The short name of the System this Component belongs to, like \"ai\".", type: "string", "enum": systems, "default": "ai"}
  description: {title: "Description", description: "A short explanation of what this Component does.", type: "string", maxLength: 2000, "default": "This Component makes the Thang attack itself."}
  language: {type: "string", title: "Language", description: "Which programming language this Component is written in.", "enum": ["coffeescript"]}
  code: {title: "Code", description: "The code for this Component, as a CoffeeScript class. TODO: add link to documentation for how to write these.", "default": attackSelfCode, type: "string", format: "coffee"}
  js: {title: "JavaScript", description: "The transpiled JavaScript code for this Component", type: "string", format: "hidden"}
  dependencies: c.array {title: "Dependencies", description: "An array of Components upon which this Component depends.", "default": [], uniqueItems: true}, DependencySchema
  propertyDocumentation: c.array {title: "Property Documentation", description: "An array of documentation entries for each notable property this Component will add to its Thang which other Components might want to also use.", "default": []}, PropertyDocumentationSchema
  configSchema: _.extend metaschema, {title: "Configuration Schema", description: "A schema for validating the arguments that can be passed to this Component as configuration.", default: {type: 'object', additionalProperties: false}}
  official: {type: "boolean", title: "Official", description: "Whether this is an official CodeCombat Component.", "default": false}

c.extendBasicProperties LevelComponentSchema, 'level.component'
c.extendSearchableProperties LevelComponentSchema
c.extendVersionedProperties LevelComponentSchema, 'level.component'
c.extendPermissionsProperties LevelComponentSchema, 'level.component'

module.exports = LevelComponentSchema