type Tag @model @auth(rules: [{allow: public, operations: [read]}]) {
  """Id generated by database"""
  id: ID!
  """Tag name - without the hashtag"""
  name: String!
  """Relationship representing a Course's tags"""
  courses: [Course] @manyToMany(relationName: "CourseTag")
}

type SocialMediaLink {
  """The enum represneting the social media platform"""
  platform: SocialMediaPlatform!
  """Social media URL"""
  url: AWSURL!
}

enum SocialMediaPlatform {
  INSTAGRAM
  LINKEDIN
  FACEBOOK
  GITHUB
  TWITTER
  TWITCH
  YOUTUBE
  DISCORD
}

enum SkillLevel {
  BEGINNER
  INTERMEDIATE
  ADVANCED
}

type Contributor @model @auth(rules: [{allow: public, operations: [read]}]) {
  """ID generated by database"""
  id: ID!
  """Contributor's job title"""
  jobTitle: String!
  """Contributor's social media links"""
  socialNetwork: [SocialMediaLink]
  """Relationship representing a contributor's courses"""
  courses: [Course] @manyToMany(relationName: "ContributorCourse")
  """String bio for Contributor"""
  bio: String!
  """URL or relative path string for contributor's profile picture"""
  profilePic: String!
  """
  Contributor's username that is used for the URL/path. This is to help
  with contributors who might have the same name so the username should be unique
  """
  username: String!
  """Contributor's last name. This is displayed on their bio page"""
  lastName: String!
  """Contributor's first name. This is displayed on their bio page"""
  firstName: String!
}

type Lesson @model @auth(rules: [{allow: public, operations: [read]}]) {
  """ID generated by the database"""
  id: ID!
  """Lesson title"""
  title: String!
  """Markdown content for the lesson"""
  content: String!
  """
  YouTube embed ID for the lesson.
  Can be found in the url or from the 'Share' link on the video's page
  """
  youtubeEmbedId: String
  """Number representing what chapter the lesson belongs to"""
  chapter: Int!
  """Relationship representing the course that the lesson belongs to"""
  courseLesson: Course @hasOne
  """Number representing the order of the lesson within the Course"""
  lessonNumber: Int!
  """Meta description for lesson"""
  description: String!
}

type Course @model @auth(rules: [{allow: public, operations: [read]}]) {
  """ID generated by the database"""
  id: ID!
  """Course title"""
  title: String!
  """The estimated number of hours the course will take to complete"""
  timeHours: Int!
  """The estimated number of remaining minutes the course will take to complete"""
  timeMinutes: Int!
  """
  The learning objective of the course. Can be markdown and is only shown
  on the course overview page.
  """
  learningObjective: String!
  """
  Short summary in plain text of the course. This property is
  shown on the course card
  """
  description: String!
  """Array of plain text describing the requirements to take the course"""
  requirements: [String!]
  """URL or relative path string for the course's picture"""
  image: String!
  """Relationship representing the contributors who created the course"""
  contributors: [Contributor] @manyToMany(relationName: "ContributorCourse")
  """Relationship of the course's tags"""
  courseTags: [Tag] @manyToMany(relationName: "CourseTag")
  """Course's skill level"""
  skillLevel: SkillLevel!
  """Date when course was created"""
  dateCreated: AWSDateTime!
  """
  Boolean to denote if the course should be featured on the home page.
  There should only be one featured at a time.
  """
  isFeatured: Boolean!
  imageAltText: String
  """
  YouTube embed ID for the course's trailer.
  Can be found in the url or from the 'Share' link on the video's page
  """
  trailerEmbedId: String
  courseUrlTitle: String!
  published: Boolean
}