require 'pact_broker/api/resources/base_resource'
require 'pact_broker/feature_toggle'
require 'json'

module PactBroker
  module Api
    module Resources
      class Index < BaseResource
        def content_types_provided
          [["application/hal+json", :to_json]]
        end

        def allowed_methods
          ["GET", "OPTIONS"]
        end

        def to_json
          { _links: links }.to_json
        end

        def links
          links_hash = {
            'self' =>
            {
              href: base_url,
              title: 'Index',
              templated: false
            },
            'pb:publish-pact' => {
              href: base_url + '/pacts/provider/{provider}/consumer/{consumer}/version/{consumerApplicationVersion}',
              title: 'Publish a pact',
              templated: true
            },
            'pb:latest-pact-versions' =>
            {
              href: base_url + '/pacts/latest',
              title: 'Latest pact versions',
              templated: false
            },
            'pb:tagged-pact-versions' =>
            {
              href: base_url + '/pacts/provider/{provider}/consumer/{consumer}/tag/{tag}',
              title: 'All versions of a pact for a given consumer, provider and consumer version tag',
              templated: false
            },
            'pb:pacticipants' =>
            {
              href: base_url + '/pacticipants',
              title: 'Pacticipants',
              templated: false
            },
            'pb:pacticipant' =>
            {
              href: base_url + '/pacticipants/{pacticipant}',
              title: 'Fetch pacticipant by name',
              templated: true
            },
            'pb:latest-provider-pacts' =>
            {
              href: base_url + '/pacts/provider/{provider}/latest',
              title: 'Latest pacts by provider',
              templated: true
            },
            'pb:latest-provider-pacts-with-tag' =>
            {
              href: base_url + '/pacts/provider/{provider}/latest/{tag}',
              title: 'Latest pacts for provider with the specified tag',
              templated: true
            },
            'pb:provider-pacts-with-tag' =>
            {
              href: base_url + '/pacts/provider/{provider}/tag/{tag}',
              title: 'All pact versions for the provider with the specified consumer version tag',
              templated: true
            },
            'pb:provider-pacts' =>
            {
              href: base_url + '/pacts/provider/{provider}',
              title: 'All pact versions for the specified provider',
              templated: true
            },
            'pb:latest-version' => {
              href: base_url + '/pacticipants/{pacticipant}/latest-version',
              title: 'Latest pacticipant version',
              templated: true
            },
            'pb:latest-tagged-version' => {
              href: base_url + '/pacticipants/{pacticipant}/latest-version/{tag}',
              title: 'Latest pacticipant version with the specified tag',
              templated: true
            },
            'pb:webhooks' => {
              href: base_url + '/webhooks',
              title: 'Webhooks',
              templated: false
            },
            'pb:webhook' => {
              href: base_url + '/webhooks/{uuid}',
              title: 'Webhook',
              templated: true
            },
            'pb:integrations' => {
              href: base_url + '/integrations',
              title: 'Integrations',
              templated: false
            },
            'pb:pacticipant-version-tag' =>
            {
              href: base_url + '/pacticipants/{pacticipant}/versions/{version}/tags/{tag}',
              title: "Get, create or delete a tag for a pacticipant version",
              templated: true
            },
            'pb:pacticipant-version' =>
            {
              href: base_url + '/pacticipants/{pacticipant}/versions/{version}',
              title: "Get, create or delete a pacticipant version",
              templated: true
            },
            'pb:metrics' =>
            {
              href: base_url + '/metrics',
              title: "Get Pact Broker metrics",
            },
            'pb:can-i-deploy-pacticipant-version-to-tag' =>
            {
              href: base_url + '/can-i-deploy?pacticipant={pacticipant}&version={version}&to={tag}',
              title: "Determine if an application can be safely deployed to an environment identified by the given tag",
              templated: true
            },
            'pb:provider-pacts-for-verification' => {
              href: base_url + '/pacts/provider/{provider}/for-verification',
              title: 'Pact versions to be verified for the specified provider',
              templated: true
            },
            'beta:provider-pacts-for-verification' => {
              name: 'beta',
              href: base_url + '/pacts/provider/{provider}/for-verification',
              title: 'DEPRECATED - please use pb:provider-pacts-for-verification',
              templated: true
            },
            'curies' =>
            [{
              name: 'pb',
              href: base_url + '/doc/{rel}?context=index',
              templated: true
            },{
              name: 'beta',
              href: base_url + '/doc/{rel}?context=index',
              templated: true
            }]
          }

          if PactBroker.feature_enabled?('disable_pacts_for_verification', true)
            links_hash.delete('pb:provider-pacts-for-verification')
            links_hash.delete('beta:provider-pacts-for-verification')
          end

          links_hash
        end

        def policy_name
          :'index::index'
        end
      end
    end
  end
end