import { GraphQLSchema, GraphQLObjectType, GraphQLString, GraphQLInt, GraphQLList, GraphQLID, GraphQLNonNull } from 'graphql';

const TicketType = new GraphQLObjectType({
  name: 'TicketType',
  fields: {
    id: {
      type: GraphQLString,
    },
    message: {
      type: GraphQLString,
    },
  },
});

const MemberType = new GraphQLObjectType({
  name: 'MemberType',
  fields: {
    id: {
      type: GraphQLInt,
    },
    name: {
      type: GraphQLString,
    },
    tickets: {
      type: new GraphQLList(TicketType),
      resolve(member) {
        return [
          { id: 1, message: `Member: ${member.id}, Ticket: 1` },
          { id: 2, message: `Member: ${member.id}, Ticket: 2` },
          { id: 3, message: `Member: ${member.id}, Ticket: 3` },
          { id: 4, message: `Member: ${member.id}, Ticket: 4` },
        ];
      },
    },
  },
});

const ProjectType = new GraphQLObjectType({
  name: 'ProjectType',
  fields: {
    id: {
      type: GraphQLInt,
    },
    name: {
      type: GraphQLString,
    },
    members: {
      type: new GraphQLList(MemberType),
      resolve(project) {
        return [
          { id: 1, name: `Project: ${project.id}, Member: 1` },
          { id: 2, name: `Project: ${project.id}, Member: 2` },
        ];
      },
    },
  },
});

const RootType = new GraphQLObjectType({
  name: 'RootType',
  fields: {
    projects: {
      type: new GraphQLList(ProjectType),
      resolve() {
        return [
          { id: 1, name: `Project 1` },
          { id: 2, name: `Project 2` },
        ];
      },
    },
    project: {
      type: ProjectType,
      args: {
        id: {
          type: new GraphQLNonNull(GraphQLID),
        },
      },
      resolve(parent, { id }) {
        return { id: id, name: `Project ${id}` };
      },
    },
  },
});

const schema = new GraphQLSchema({
  query: RootType,
});

export default schema;