import {
  VariableDeclaration, Identifier, ArrayExpression, SimpleLiteral,
  SimpleCallExpression, Program, VariableDeclarator
} from 'estree'

export interface YukiDeclarationProgram extends Program {
  body: YukiDeclaration[]
}

export type YukiDeclaration = YukiConstDeclaration | YukiLetDeclaration

export interface YukiConstDeclaration extends VariableDeclaration {
  kind: 'const'
  declarations: [ YukiConstDeclarator ]
}

export interface YukiLetDeclaration extends VariableDeclaration {
  kind: 'let'
  declarations: [ YukiLetDeclarator ]
}

export interface YukiDeclarator extends VariableDeclarator {
  id: Identifier
  init: YukiLiteral | YukiArrayExpression | Identifier | YukiArrayDeclaration
}

export interface YukiConstDeclarator extends YukiDeclarator {
  init: YukiLiteral | YukiArrayExpression
}

export interface YukiLetDeclarator extends YukiDeclarator {
  init: Identifier | YukiArrayDeclaration
}

export interface YukiLiteral extends SimpleLiteral {
  value: boolean | number
}

export interface YukiBooleanLiteral extends YukiLiteral {
  value: boolean
}

export interface YukiNumberLiteral extends YukiLiteral {
  value: number
}

export interface YukiArrayExpression extends ArrayExpression {
  elements: YukiBooleanLiteral[] | YukiNumberLiteral[]
}

export interface YukiArrayDeclaration extends SimpleCallExpression {
  callee: Identifier
  arguments: [ YukiNumberLiteral ]
}