package router

import (
	"fmt"

	"github.com/go-chi/chi"

	"github.com/porter-dev/porter/api/server/handlers/job"
	"github.com/porter-dev/porter/api/server/handlers/namespace"
	"github.com/porter-dev/porter/api/server/shared"
	"github.com/porter-dev/porter/api/server/shared/config"
	"github.com/porter-dev/porter/api/server/shared/router"
	"github.com/porter-dev/porter/api/types"
)

func NewNamespaceScopedRegisterer(children ...*router.Registerer) *router.Registerer {
	return &router.Registerer{
		GetRoutes: GetNamespaceScopedRoutes,
		Children:  children,
	}
}

func GetNamespaceScopedRoutes(
	r chi.Router,
	config *config.Config,
	basePath *types.Path,
	factory shared.APIEndpointFactory,
	children ...*router.Registerer,
) []*router.Route {
	routes, projPath := getNamespaceRoutes(r, config, basePath, factory)

	if len(children) > 0 {
		r.Route(projPath.RelativePath, func(r chi.Router) {
			for _, child := range children {
				childRoutes := child.GetRoutes(r, config, basePath, factory, child.Children...)

				routes = append(routes, childRoutes...)
			}
		})
	}

	return routes
}

func getNamespaceRoutes(
	r chi.Router,
	config *config.Config,
	basePath *types.Path,
	factory shared.APIEndpointFactory,
) ([]*router.Route, *types.Path) {
	relPath := "/namespaces/{namespace}"

	newPath := &types.Path{
		Parent:       basePath,
		RelativePath: relPath,
	}

	routes := make([]*router.Route, 0)

	// GET /api/projects/{project_id}/clusters/{cluster_id}/namespaces/{namespace}/envgroups/list -> namespace.NewListEnvGroupsHandler
	listEnvGroupsEndpoint := factory.NewAPIEndpoint(
		&types.APIRequestMetadata{
			Verb:   types.APIVerbGet,
			Method: types.HTTPVerbGet,
			Path: &types.Path{
				Parent:       basePath,
				RelativePath: relPath + "/envgroup/list",
			},
			Scopes: []types.PermissionScope{
				types.UserScope,
				types.ProjectScope,
				types.ClusterScope,
				types.NamespaceScope,
			},
		},
	)

	listEnvGroupsHandler := namespace.NewListEnvGroupsHandler(
		config,
		factory.GetResultWriter(),
	)

	routes = append(routes, &router.Route{
		Endpoint: listEnvGroupsEndpoint,
		Handler:  listEnvGroupsHandler,
		Router:   r,
	})

	// POST /api/projects/{project_id}/clusters/{cluster_id}/namespaces/{namespace}/envgroup/clone -> namespace.NewCloneEnvGroupHandler
	cloneEnvGroupEndpoint := factory.NewAPIEndpoint(
		&types.APIRequestMetadata{
			Verb:   types.APIVerbCreate,
			Method: types.HTTPVerbPost,
			Path: &types.Path{
				Parent:       basePath,
				RelativePath: relPath + "/envgroup/clone",
			},
			Scopes: []types.PermissionScope{
				types.UserScope,
				types.ProjectScope,
				types.ClusterScope,
				types.NamespaceScope,
			},
		},
	)

	cloneEnvGroupHandler := namespace.NewCloneEnvGroupHandler(
		config,
		factory.GetDecoderValidator(),
		factory.GetResultWriter(),
	)

	routes = append(routes, &router.Route{
		Endpoint: cloneEnvGroupEndpoint,
		Handler:  cloneEnvGroupHandler,
		Router:   r,
	})

	// GET /api/projects/{project_id}/clusters/{cluster_id}/namespaces/{namespace}/envgroup -> namespace.NewGetEnvGroupHandler
	getEnvGroupEndpoint := factory.NewAPIEndpoint(
		&types.APIRequestMetadata{
			Verb:   types.APIVerbGet,
			Method: types.HTTPVerbGet,
			Path: &types.Path{
				Parent:       basePath,
				RelativePath: relPath + "/envgroup",
			},
			Scopes: []types.PermissionScope{
				types.UserScope,
				types.ProjectScope,
				types.ClusterScope,
				types.NamespaceScope,
			},
		},
	)

	getEnvGroupHandler := namespace.NewGetEnvGroupHandler(
		config,
		factory.GetDecoderValidator(),
		factory.GetResultWriter(),
	)

	routes = append(routes, &router.Route{
		Endpoint: getEnvGroupEndpoint,
		Handler:  getEnvGroupHandler,
		Router:   r,
	})

	// GET /api/projects/{project_id}/clusters/{cluster_id}/namespaces/{namespace}/envgroup/all_versions -> namespace.NewGetEnvGroupAllVersionsHandler
	getEnvGroupAllVersionsEndpoint := factory.NewAPIEndpoint(
		&types.APIRequestMetadata{
			Verb:   types.APIVerbGet,
			Method: types.HTTPVerbGet,
			Path: &types.Path{
				Parent:       basePath,
				RelativePath: relPath + "/envgroup/all_versions",
			},
			Scopes: []types.PermissionScope{
				types.UserScope,
				types.ProjectScope,
				types.ClusterScope,
				types.NamespaceScope,
			},
		},
	)

	getEnvGroupAllVersionsHandler := namespace.NewGetEnvGroupAllVersionsHandler(
		config,
		factory.GetDecoderValidator(),
		factory.GetResultWriter(),
	)

	routes = append(routes, &router.Route{
		Endpoint: getEnvGroupAllVersionsEndpoint,
		Handler:  getEnvGroupAllVersionsHandler,
		Router:   r,
	})

	// POST /api/projects/{project_id}/clusters/{cluster_id}/namespaces/{namespace}/envgroup/create -> namespace.NewCreateEnvGroupHandler
	createEnvGroupEndpoint := factory.NewAPIEndpoint(
		&types.APIRequestMetadata{
			Verb:   types.APIVerbCreate,
			Method: types.HTTPVerbPost,
			Path: &types.Path{
				Parent:       basePath,
				RelativePath: relPath + "/envgroup/create",
			},
			Scopes: []types.PermissionScope{
				types.UserScope,
				types.ProjectScope,
				types.ClusterScope,
				types.NamespaceScope,
			},
		},
	)

	createEnvGroupHandler := namespace.NewCreateEnvGroupHandler(
		config,
		factory.GetDecoderValidator(),
		factory.GetResultWriter(),
	)

	routes = append(routes, &router.Route{
		Endpoint: createEnvGroupEndpoint,
		Handler:  createEnvGroupHandler,
		Router:   r,
	})

	// POST /api/projects/{project_id}/clusters/{cluster_id}/namespaces/{namespace}/envgroup/add_application -> namespace.NewAddEnvGroupAppHandler
	updateEnvGroupAppsEndpoint := factory.NewAPIEndpoint(
		&types.APIRequestMetadata{
			Verb:   types.APIVerbUpdate,
			Method: types.HTTPVerbPost,
			Path: &types.Path{
				Parent:       basePath,
				RelativePath: relPath + "/envgroup/add_application",
			},
			Scopes: []types.PermissionScope{
				types.UserScope,
				types.ProjectScope,
				types.ClusterScope,
				types.NamespaceScope,
			},
		},
	)

	updateEnvGroupAppsHandler := namespace.NewAddEnvGroupAppHandler(
		config,
		factory.GetDecoderValidator(),
		factory.GetResultWriter(),
	)

	routes = append(routes, &router.Route{
		Endpoint: updateEnvGroupAppsEndpoint,
		Handler:  updateEnvGroupAppsHandler,
		Router:   r,
	})

	// POST /api/projects/{project_id}/clusters/{cluster_id}/namespaces/{namespace}/envgroup/remove_application -> namespace.NewRemoveEnvGroupAppHandler
	removeEnvGroupAppEndpoint := factory.NewAPIEndpoint(
		&types.APIRequestMetadata{
			Verb:   types.APIVerbUpdate,
			Method: types.HTTPVerbPost,
			Path: &types.Path{
				Parent:       basePath,
				RelativePath: relPath + "/envgroup/remove_application",
			},
			Scopes: []types.PermissionScope{
				types.UserScope,
				types.ProjectScope,
				types.ClusterScope,
				types.NamespaceScope,
			},
		},
	)

	removeEnvGroupAppHandler := namespace.NewRemoveEnvGroupAppHandler(
		config,
		factory.GetDecoderValidator(),
		factory.GetResultWriter(),
	)

	routes = append(routes, &router.Route{
		Endpoint: removeEnvGroupAppEndpoint,
		Handler:  removeEnvGroupAppHandler,
		Router:   r,
	})

	// DELETE /api/projects/{project_id}/clusters/{cluster_id}/namespaces/{namespace}/envgroup -> namespace.NewDeleteEnvGroupHandler
	deleteEnvGroupEndpoint := factory.NewAPIEndpoint(
		&types.APIRequestMetadata{
			Verb:   types.APIVerbDelete,
			Method: types.HTTPVerbDelete,
			Path: &types.Path{
				Parent:       basePath,
				RelativePath: relPath + "/envgroup",
			},
			Scopes: []types.PermissionScope{
				types.UserScope,
				types.ProjectScope,
				types.ClusterScope,
				types.NamespaceScope,
			},
		},
	)

	deleteEnvGroupHandler := namespace.NewDeleteEnvGroupHandler(
		config,
		factory.GetDecoderValidator(),
		factory.GetResultWriter(),
	)

	routes = append(routes, &router.Route{
		Endpoint: deleteEnvGroupEndpoint,
		Handler:  deleteEnvGroupHandler,
		Router:   r,
	})

	// POST /api/projects/{project_id}/clusters/{cluster_id}/namespaces/{namespace}/configmap/update -> namespace.NewUpdateConfigMapHandler
	updateConfigMapEndpoint := factory.NewAPIEndpoint(
		&types.APIRequestMetadata{
			Verb:   types.APIVerbUpdate,
			Method: types.HTTPVerbPost,
			Path: &types.Path{
				Parent:       basePath,
				RelativePath: relPath + "/configmap/update",
			},
			Scopes: []types.PermissionScope{
				types.UserScope,
				types.ProjectScope,
				types.ClusterScope,
				types.NamespaceScope,
			},
		},
	)

	updateConfigMapHandler := namespace.NewUpdateConfigMapHandler(
		config,
		factory.GetDecoderValidator(),
		factory.GetResultWriter(),
	)

	routes = append(routes, &router.Route{
		Endpoint: updateConfigMapEndpoint,
		Handler:  updateConfigMapHandler,
		Router:   r,
	})

	// DELETE /api/projects/{project_id}/clusters/{cluster_id}/namespaces/{namespace}/crd -> namespace.NewCRDDeleteHandler
	deleteCRDEndpoint := factory.NewAPIEndpoint(
		&types.APIRequestMetadata{
			Verb:   types.APIVerbDelete,
			Method: types.HTTPVerbDelete,
			Path: &types.Path{
				Parent:       basePath,
				RelativePath: relPath + "/crd",
			},
			Scopes: []types.PermissionScope{
				types.UserScope,
				types.ProjectScope,
				types.ClusterScope,
			},
		},
	)

	deleteCRDHandler := namespace.NewCRDDeleteHandler(
		config,
		factory.GetDecoderValidator(),
		factory.GetResultWriter(),
	)

	routes = append(routes, &router.Route{
		Endpoint: deleteCRDEndpoint,
		Handler:  deleteCRDHandler,
		Router:   r,
	})

	// GET /api/projects/{project_id}/clusters/{cluster_id}/namespaces/{namespace}/releases -> namespace.NewListReleasesHandler
	listReleasesEndpoint := factory.NewAPIEndpoint(
		&types.APIRequestMetadata{
			Verb:   types.APIVerbGet,
			Method: types.HTTPVerbGet,
			Path: &types.Path{
				Parent:       basePath,
				RelativePath: relPath + "/releases",
			},
			Scopes: []types.PermissionScope{
				types.UserScope,
				types.ProjectScope,
				types.ClusterScope,
				types.NamespaceScope,
			},
		},
	)

	listReleasesHandler := namespace.NewListReleasesHandler(
		config,
		factory.GetDecoderValidator(),
		factory.GetResultWriter(),
	)

	routes = append(routes, &router.Route{
		Endpoint: listReleasesEndpoint,
		Handler:  listReleasesHandler,
		Router:   r,
	})

	// GET /api/projects/{project_id}/clusters/{cluster_id}/namespaces/{namespace}/pod/{name}/logs -> namespace.NewStreamPodLogsHandler
	streamPodLogsEndpoint := factory.NewAPIEndpoint(
		&types.APIRequestMetadata{
			Verb:   types.APIVerbGet,
			Method: types.HTTPVerbGet,
			Path: &types.Path{
				Parent: basePath,
				RelativePath: fmt.Sprintf(
					"%s/pod/{%s}/logs",
					relPath,
					types.URLParamPodName,
				),
			},
			Scopes: []types.PermissionScope{
				types.UserScope,
				types.ProjectScope,
				types.ClusterScope,
				types.NamespaceScope,
			},
			IsWebsocket: true,
		},
	)

	streamPodLogsHandler := namespace.NewStreamPodLogsHandler(
		config,
		factory.GetDecoderValidator(),
		factory.GetResultWriter(),
	)

	routes = append(routes, &router.Route{
		Endpoint: streamPodLogsEndpoint,
		Handler:  streamPodLogsHandler,
		Router:   r,
	})

	// GET /api/projects/{project_id}/clusters/{cluster_id}/namespaces/{namespace}/jobs/stream -> namespace.NewStreamJobRunsHandler
	streamJobRunsEndpoint := factory.NewAPIEndpoint(
		&types.APIRequestMetadata{
			Verb:   types.APIVerbGet,
			Method: types.HTTPVerbGet,
			Path: &types.Path{
				Parent: basePath,
				RelativePath: fmt.Sprintf(
					"%s/jobs/stream",
					relPath,
				),
			},
			Scopes: []types.PermissionScope{
				types.UserScope,
				types.ProjectScope,
				types.ClusterScope,
				types.NamespaceScope,
			},
			IsWebsocket: true,
		},
	)

	streamJobRunsHandler := namespace.NewStreamJobRunsHandler(
		config,
		factory.GetDecoderValidator(),
		factory.GetResultWriter(),
	)

	routes = append(routes, &router.Route{
		Endpoint: streamJobRunsEndpoint,
		Handler:  streamJobRunsHandler,
		Router:   r,
	})

	// GET /api/projects/{project_id}/clusters/{cluster_id}/namespaces/{namespace}/pod/{name}/previous_logs
	getPreviousLogsEndpoint := factory.NewAPIEndpoint(
		&types.APIRequestMetadata{
			Verb:   types.APIVerbGet,
			Method: types.HTTPVerbGet,
			Path: &types.Path{
				Parent: basePath,
				RelativePath: fmt.Sprintf(
					"%s/pod/{%s}/previous_logs",
					relPath,
					types.URLParamPodName,
				),
			},
			Scopes: []types.PermissionScope{
				types.UserScope,
				types.ProjectScope,
				types.ClusterScope,
				types.NamespaceScope,
			},
		},
	)

	getPreviousLogsHandler := namespace.NewGetPreviousLogsHandler(
		config,
		factory.GetDecoderValidator(),
		factory.GetResultWriter(),
	)

	routes = append(routes, &router.Route{
		Endpoint: getPreviousLogsEndpoint,
		Handler:  getPreviousLogsHandler,
		Router:   r,
	})

	// GET /api/projects/{project_id}/clusters/{cluster_id}/namespaces/{namespace}/jobs/{name}/pods -> jobs.NewGetPodsHandler
	getJobPodsEndpoint := factory.NewAPIEndpoint(
		&types.APIRequestMetadata{
			Verb:   types.APIVerbList,
			Method: types.HTTPVerbGet,
			Path: &types.Path{
				Parent: basePath,
				RelativePath: fmt.Sprintf(
					"%s/jobs/{%s}/pods",
					relPath,
					types.URLParamJobName,
				),
			},
			Scopes: []types.PermissionScope{
				types.UserScope,
				types.ProjectScope,
				types.ClusterScope,
				types.NamespaceScope,
			},
		},
	)

	getJobPodsHandler := job.NewGetPodsHandler(
		config,
		factory.GetResultWriter(),
	)

	routes = append(routes, &router.Route{
		Endpoint: getJobPodsEndpoint,
		Handler:  getJobPodsHandler,
		Router:   r,
	})

	// DELETE /api/projects/{project_id}/clusters/{cluster_id}/namespaces/{namespace}/jobs/{name} -> jobs.NewDeleteHandler
	deleteJobEndpoint := factory.NewAPIEndpoint(
		&types.APIRequestMetadata{
			Verb:   types.APIVerbDelete,
			Method: types.HTTPVerbDelete,
			Path: &types.Path{
				Parent: basePath,
				RelativePath: fmt.Sprintf(
					"%s/jobs/{%s}",
					relPath,
					types.URLParamJobName,
				),
			},
			Scopes: []types.PermissionScope{
				types.UserScope,
				types.ProjectScope,
				types.ClusterScope,
				types.NamespaceScope,
			},
		},
	)

	deleteJobHandler := job.NewDeleteHandler(
		config,
	)

	routes = append(routes, &router.Route{
		Endpoint: deleteJobEndpoint,
		Handler:  deleteJobHandler,
		Router:   r,
	})

	// POST /api/projects/{project_id}/clusters/{cluster_id}/namespaces/{namespace}/jobs/{name}/stop -> jobs.NewStopHandler
	stopJobEndpoint := factory.NewAPIEndpoint(
		&types.APIRequestMetadata{
			Verb:   types.APIVerbUpdate,
			Method: types.HTTPVerbPost,
			Path: &types.Path{
				Parent: basePath,
				RelativePath: fmt.Sprintf(
					"%s/jobs/{%s}/stop",
					relPath,
					types.URLParamJobName,
				),
			},
			Scopes: []types.PermissionScope{
				types.UserScope,
				types.ProjectScope,
				types.ClusterScope,
				types.NamespaceScope,
			},
		},
	)

	stopJobHandler := job.NewStopHandler(
		config,
	)

	routes = append(routes, &router.Route{
		Endpoint: stopJobEndpoint,
		Handler:  stopJobHandler,
		Router:   r,
	})

	// GET /api/projects/{project_id}/clusters/{cluster_id}/namespaces/{namespace}/pods/{name} -> namespace.NewGetPodHandler
	getPodEndpoint := factory.NewAPIEndpoint(
		&types.APIRequestMetadata{
			Verb:   types.APIVerbGet,
			Method: types.HTTPVerbGet,
			Path: &types.Path{
				Parent: basePath,
				RelativePath: fmt.Sprintf(
					"%s/pods/{%s}",
					relPath,
					types.URLParamPodName,
				),
			},
			Scopes: []types.PermissionScope{
				types.UserScope,
				types.ProjectScope,
				types.ClusterScope,
				types.NamespaceScope,
			},
		},
	)

	getPodHandler := namespace.NewGetPodHandler(
		config,
		factory.GetResultWriter(),
	)

	routes = append(routes, &router.Route{
		Endpoint: getPodEndpoint,
		Handler:  getPodHandler,
		Router:   r,
	})

	// DELETE /api/projects/{project_id}/clusters/{cluster_id}/namespaces/{namespace}/pods/{name} -> namespace.NewDeletePodHandler
	deletePodEndpoint := factory.NewAPIEndpoint(
		&types.APIRequestMetadata{
			Verb:   types.APIVerbDelete,
			Method: types.HTTPVerbDelete,
			Path: &types.Path{
				Parent: basePath,
				RelativePath: fmt.Sprintf(
					"%s/pods/{%s}",
					relPath,
					types.URLParamPodName,
				),
			},
			Scopes: []types.PermissionScope{
				types.UserScope,
				types.ProjectScope,
				types.ClusterScope,
				types.NamespaceScope,
			},
		},
	)

	deletePodHandler := namespace.NewDeletePodHandler(
		config,
	)

	routes = append(routes, &router.Route{
		Endpoint: deletePodEndpoint,
		Handler:  deletePodHandler,
		Router:   r,
	})

	// GET /api/projects/{project_id}/clusters/{cluster_id}/namespaces/{namespace}/pods/{name}/events -> namespace.NewGetPodEventsHandler
	getPodEventsEndpoint := factory.NewAPIEndpoint(
		&types.APIRequestMetadata{
			Verb:   types.APIVerbList,
			Method: types.HTTPVerbGet,
			Path: &types.Path{
				Parent: basePath,
				RelativePath: fmt.Sprintf(
					"%s/pods/{%s}/events",
					relPath,
					types.URLParamPodName,
				),
			},
			Scopes: []types.PermissionScope{
				types.UserScope,
				types.ProjectScope,
				types.ClusterScope,
				types.NamespaceScope,
			},
		},
	)

	getPodEventsHandler := namespace.NewGetPodEventsHandler(
		config,
		factory.GetResultWriter(),
	)

	routes = append(routes, &router.Route{
		Endpoint: getPodEventsEndpoint,
		Handler:  getPodEventsHandler,
		Router:   r,
	})

	// GET /api/projects/{project_id}/clusters/{cluster_id}/namespaces/{namespace}/ingresses/{name} ->
	// namespace.NewGetIngressHandler
	getIngressEndpoint := factory.NewAPIEndpoint(
		&types.APIRequestMetadata{
			Verb:   types.APIVerbGet,
			Method: types.HTTPVerbGet,
			Path: &types.Path{
				Parent:       basePath,
				RelativePath: relPath + "/ingresses/{name}",
			},
			Scopes: []types.PermissionScope{
				types.UserScope,
				types.ProjectScope,
				types.ClusterScope,
				types.NamespaceScope,
			},
		},
	)

	getIngressHandler := namespace.NewGetIngressHandler(
		config,
		factory.GetResultWriter(),
	)

	routes = append(routes, &router.Route{
		Endpoint: getIngressEndpoint,
		Handler:  getIngressHandler,
		Router:   r,
	})

	return routes, newPath
}