export class Name {
  constructor(value) {
    this.value = value
  }
}

export class Label {
  constructor(value) {
    this.value = value
  }
}

export class SelectedGraph {
  constructor(identifier) {
    this.identifier = identifier
  }
}

class GraphObject {
  constructor(name, label, properties = []) {
    this.name = name
    this.label = label
    this.properties = properties
  }
}

export class Node extends GraphObject {
  constructor(name, label, properties) {
    super(name, label, properties)
  }
}

export const Direction = Object.freeze({
  Left: 0,
  Right: 1
})

export class Edge extends GraphObject {
  constructor(name, label, properties) {
    super(name, label, properties)
  }
}

export class DirectedEdge extends Edge {
  constructor(name, label, direction, properties) {
    super(name, label, properties)
    this.direction = direction
  }

  static fromEdge(edge, direction) {
    return new DirectedEdge(edge.name, edge.label, direction, edge.properties)
  }
}

export class Relationship {
  constructor(left, edge, right) {
    const [from, to] = edge.direction === Direction.Right ? [left, right] : [right, left]
    this.from = from
    this.to = to
    this.edge = edge
  }
}

export class ReturnValues {
  constructor(...args) {
    this.values = args
  }
}

export class KeyValuePair {
  constructor(key, value) {
    this.key = key
    this.value = value
  }
}

export class Literal {
  constructor(value) {
    this.value = value
  }
}

export class Identifier {
  constructor(value) {
    this.value = value
  }
}

export class Alias {
  constructor(value, alias) {
    this.value = value
    this.alias = alias
  }
}

export class ObjectPath {
  constructor(value, ...path) {
    this.value = value
    this.path = path
  }
}

export class Query {
  constructor(use, match, returnValues) {
    this.use = use
    this.match = match
    this.returnValues = returnValues
  }
}