import {
  GraphQLObjectType,
  GraphQLString,
  GraphQLInputObjectType,
  GraphQLBoolean,
  GraphQLInt,
  GraphQLNonNull,
} from 'graphql';

import { IJobInstanceSelector, IJobInstanceAdd } from '../model/jobInstance';
import { authorized } from '../auth';
import { deleteJobInstance, addJobInstance } from './jobInstanceRepository';

interface IJobInstanceSelectorInput {
  input: IJobInstanceSelector;
}

interface IJobInstanceAddInput {
  input: IJobInstanceAdd;
}

const jobInstanceDescription = {
  id: 'Job instance id',
  projectStageId: 'Id of current project stage',
  jobTplId: 'Id of jobTpl',
  vol: 'Volume of work in job instance',
  providerLinked: 'If true then volume is not editable and should be linked to the external provider',
};

const jobInstanceSelectorInputType = new GraphQLInputObjectType({
  name: 'JobInstanceSelectorInputType',
  description: 'Job Instance Selector Input Type',
  fields: () => ({
    id: {
      type: new GraphQLNonNull(GraphQLInt),
      description: jobInstanceDescription.id,
    },
  }),
});

const jobInstanceAddType = new GraphQLObjectType({
  name:'JobInstanceAddType',
  description: 'Job Instance Add Type',
  fields: () => ({
    id: {
      type: new GraphQLNonNull(GraphQLInt),
      description: jobInstanceDescription.id,
    },
  }),
});

const jobInstanceAddInputType = new GraphQLInputObjectType({
  name:'JobInstanceAddInputType',
  description: 'Job Instance Add Input Type',
  fields: () => ({
    projectStageId: {
      type: new GraphQLNonNull(GraphQLInt),
      description: jobInstanceDescription.projectStageId,
    },
    jobTplId: {
      type: new GraphQLNonNull(GraphQLString),
      description: jobInstanceDescription.jobTplId,
    },
    vol: {
      type: new GraphQLNonNull(GraphQLInt),
      description: jobInstanceDescription.vol,
    },
    providerLinked: {
      type: GraphQLBoolean,
      description: jobInstanceDescription.providerLinked,
    },
  }),
});

export default {
  deleteJobInstance: {
    description: 'Project coordinator can delete job instance of project stage',
    type: GraphQLBoolean,
    args: {
      input: { type: new GraphQLNonNull(jobInstanceSelectorInputType) },
    },
    resolve: authorized(
      ['AM', 'CD'],
      (_: any, { input }: IJobInstanceSelectorInput) => {

        return deleteJobInstance(input);
      },
    ),
  },
  addJobInstance: {
    description: 'Add job instance to project stage',
    type: jobInstanceAddType,
    args: {
      input: { type: new GraphQLNonNull(jobInstanceAddInputType) },
    },
    resolve: authorized(
      ['AM', 'CD'],
      (_: any, { input }: IJobInstanceAddInput) => {
        return addJobInstance(input);
      }),
  },
};