# frozen_string_literal: true

module Types
  class IssueType < BaseObject
    graphql_name 'Issue'

    connection_type_class Types::IssueConnectionType

    implements Types::Notes::NoteableInterface
    implements Types::CurrentUserTodos
    implements Types::TodoableInterface

    authorize :read_issue

    expose_permissions Types::PermissionTypes::Issue

    present_using IssuePresenter

    field :description, GraphQL::Types::String, null: true,
      description: 'Description of the issue.'
    field :id, GraphQL::Types::ID, null: false,
      description: "ID of the issue."
    field :iid, GraphQL::Types::String, null: false,
      description: "Internal ID of the issue."
    field :state, IssueStateEnum, null: false,
      description: 'State of the issue.'
    field :title, GraphQL::Types::String, null: false,
      description: 'Title of the issue.'

    field :reference, GraphQL::Types::String, null: false,
      description: 'Internal reference of the issue. Returned in shortened format by default.',
      method: :to_reference do
      argument :full, GraphQL::Types::Boolean, required: false, default_value: false,
        description: 'Boolean option specifying whether the reference should be returned in full.'
    end

    field :author, Types::UserType, null: false,
      description: 'User that created the issue.'

    field :assignees, Types::UserType.connection_type, null: true,
      description: 'Assignees of the issue.'

    field :updated_by, Types::UserType, null: true,
      description: 'User that last updated the issue.'

    field :labels, Types::LabelType.connection_type,
      null: true,
      description: 'Labels of the issue.',
      resolver: Resolvers::BulkLabelsResolver
    field :milestone, Types::MilestoneType, null: true,
      description: 'Milestone of the issue.'

    field :confidential, GraphQL::Types::Boolean, null: false,
      description: 'Indicates the issue is confidential.'
    field :discussion_locked, GraphQL::Types::Boolean, null: false,
      description: 'Indicates discussion is locked on the issue.'
    field :downvotes, GraphQL::Types::Int,
      null: false,
      description: 'Number of downvotes the issue has received.',
      resolver: Resolvers::DownVotesCountResolver
    field :due_date, Types::TimeType, null: true,
      description: 'Due date of the issue.'
    field :hidden, GraphQL::Types::Boolean, null: true,
      description: 'Indicates the issue is hidden because the author has been banned.', method: :hidden?
    field :merge_requests_count, GraphQL::Types::Int, null: false,
      description: 'Number of merge requests that close the issue on merge.',
      resolver: Resolvers::MergeRequestsCountResolver

    field :related_merge_requests, Types::MergeRequestType.connection_type,
      null: true,
      resolver: ::Resolvers::MergeRequests::IssueRelatedResolver,
      description: 'Merge requests related to the issue. This field can only be resolved for one issue in any single request.' do
        extension ::Gitlab::Graphql::Limit::FieldCallCount, limit: 1
      end

    field :relative_position, GraphQL::Types::Int, null: true,
      description: 'Relative position of the issue (used for positioning in epic tree and issue boards).'
    field :upvotes, GraphQL::Types::Int,
      null: false,
      description: 'Number of upvotes the issue has received.',
      resolver: Resolvers::UpVotesCountResolver

    field :user_discussions_count, GraphQL::Types::Int, null: false,
      description: 'Number of user discussions in the issue.',
      resolver: Resolvers::UserDiscussionsCountResolver
    field :user_notes_count, GraphQL::Types::Int, null: false,
      description: 'Number of user notes of the issue.',
      resolver: Resolvers::UserNotesCountResolver
    field :web_path, GraphQL::Types::String, null: false, method: :issue_path,
      description: 'Web path of the issue.'
    field :web_url, GraphQL::Types::String, null: false,
      description: 'Web URL of the issue.'

    field :emails_disabled, GraphQL::Types::Boolean, null: false,
      method: :parent_emails_disabled?,
      description: 'Indicates if the parent project or group has email notifications disabled: `true` if email notifications are disabled.',
      deprecated: { reason: 'Use `emails_enabled`', milestone: '16.3' }

    field :emails_enabled, GraphQL::Types::Boolean, null: false,
      method: :parent_emails_enabled?,
      description: 'Indicates if the parent project or group has email notifications disabled: `false` if email notifications are disabled.'

    field :human_time_estimate, GraphQL::Types::String, null: true,
      description: 'Human-readable time estimate of the issue.'
    field :human_total_time_spent, GraphQL::Types::String, null: true,
      description: 'Human-readable total time reported as spent on the issue.'
    field :participants, Types::UserType.connection_type, null: true, complexity: 5,
      description: 'List of participants in the issue.',
      resolver: Resolvers::Users::ParticipantsResolver
    field :subscribed, GraphQL::Types::Boolean, method: :subscribed?, null: false, complexity: 5,
      description: 'Indicates the currently logged in user is subscribed to the issue.'
    field :time_estimate, GraphQL::Types::Int, null: false,
      description: 'Time estimate of the issue.'
    field :total_time_spent, GraphQL::Types::Int, null: false,
      description: 'Total time (in seconds) reported as spent on the issue.'

    field :closed_at, Types::TimeType, null: true,
      description: 'Timestamp of when the issue was closed.'

    field :created_at, Types::TimeType, null: false,
      description: 'Timestamp of when the issue was created.'
    field :updated_at, Types::TimeType, null: false,
      description: 'Timestamp of when the issue was last updated.'

    field :task_completion_status, Types::TaskCompletionStatus, null: false,
      description: 'Task completion status of the issue.'

    field :design_collection, Types::DesignManagement::DesignCollectionType, null: true,
      description: 'Collection of design images associated with the issue.'

    field :type, Types::IssueTypeEnum, null: true,
      method: :issue_type,
      description: 'Type of the issue.'

    field :alert_management_alert,
      Types::AlertManagement::AlertType,
      null: true,
      description: 'Alert associated to the issue.',
      deprecated: { reason: 'Use `alert_management_alerts`', milestone: '15.6' }

    field :alert_management_alerts,
      Types::AlertManagement::AlertType.connection_type,
      null: true,
      description: 'Alert Management alerts associated to this issue.',
      extras: [:lookahead],
      resolver: Resolvers::AlertManagement::AlertResolver

    field :severity, Types::IssuableSeverityEnum, null: true,
      description: 'Severity level of the incident.'

    field :moved, GraphQL::Types::Boolean, method: :moved?, null: true,
      description: 'Indicates if issue got moved from other project.'

    field :moved_to, Types::IssueType, null: true,
      description: 'Updated Issue after it got moved to another project.'

    field :closed_as_duplicate_of, Types::IssueType, null: true,
      description: 'Issue the issue was closed as a duplicate of.'

    field :create_note_email, GraphQL::Types::String, null: true,
      description: 'User specific email address for the issue.'

    field :timelogs, Types::TimelogType.connection_type, null: false,
      description: 'Timelogs on the issue.'

    field :project_id, GraphQL::Types::Int, null: true,
      description: 'ID of the issue project.'

    field :customer_relations_contacts, Types::CustomerRelations::ContactType.connection_type, null: true,
      description: 'Customer relations contacts of the issue.'

    field :escalation_status, Types::IncidentManagement::EscalationStatusEnum, null: true,
      description: 'Escalation status of the issue.'

    field :external_author, GraphQL::Types::String, null: true, description: 'Email address of non-GitLab user reporting the issue. For guests, the email address is obfuscated.'

    field :linked_work_items, ::Types::WorkItems::LinkedItemType.connection_type,
      null: true, complexity: 5, resolver: Resolvers::WorkItems::LinkedItemsResolver,
      description: 'Work items linked to the issue.', extras: [:lookahead],
      experiment: { milestone: '17.8' }

    markdown_field :title_html, null: true
    markdown_field :description_html, null: true

    def author
      Gitlab::Graphql::Loaders::BatchModelLoader.new(User, object.author_id).find
    end

    def updated_by
      Gitlab::Graphql::Loaders::BatchModelLoader.new(User, object.updated_by_id).find
    end

    def milestone
      Gitlab::Graphql::Loaders::BatchModelLoader.new(Milestone, object.milestone_id).find
    end

    def moved_to
      Gitlab::Graphql::Loaders::BatchModelLoader.new(Issue, object.moved_to_id).find
    end

    def closed_as_duplicate_of
      Gitlab::Graphql::Loaders::BatchModelLoader.new(Issue, object.duplicated_to_id).find
    end

    def discussion_locked
      !!object.discussion_locked
    end

    def create_note_email
      object.creatable_note_email_address(context[:current_user])
    end

    def escalation_status
      object.supports_escalation? ? object.escalation_status&.status_name : nil
    end
  end
end

Types::IssueType.prepend_mod_with('Types::IssueType')
