// Copyright 2022 Harness Inc. All rights reserved.
// Use of this source code is governed by the Polyform Free Trial License
// that can be found in the LICENSE.md file for this repository.

package openapi

import (
	"net/http"

	"github.com/harness/gitness/internal/api/controller/repo"
	"github.com/harness/gitness/internal/api/usererror"
	"github.com/harness/gitness/types"
	"github.com/swaggest/openapi-go/openapi3"
)

type createRepositoryRequest struct {
	repo.CreateInput
}

type gitignoreRequest struct {
}

type licenseRequest struct {
}

type repoRequest struct {
	Ref string `json:"ref" path:"ref"`
}

type updateRepoRequest struct {
	repoRequest
	repo.UpdateInput
}

type moveRepoRequest struct {
	repoRequest
	repo.MoveInput
}

type createRepoPathRequest struct {
	repoRequest
	repo.CreatePathInput
}

type deleteRepoPathRequest struct {
	repoRequest
	PathID string `json:"pathID" path:"pathID"`
}

type getContentRequest struct {
	repoRequest
	Path string `json:"path" path:"path"`
}

// contentType is a plugin for repo.ContentType to allow using oneof.
type contentType string

func (contentType) Enum() []interface{} {
	return []interface{}{repo.ContentTypeFile, repo.ContentTypeDir, repo.ContentTypeSymlink, repo.ContentTypeSubmodule}
}

// contentInfo is used to overshadow the contentype of repo.ContentInfo.
type contentInfo struct {
	repo.ContentInfo
	Type contentType `json:"type"`
}

// dirContent is used to overshadow the Entries type of repo.DirContent.
type dirContent struct {
	repo.DirContent
	Entries []contentInfo `json:"entries"`
}

// content is a plugin for repo.content to allow using oneof.
type content struct{}

func (content) JSONSchemaOneOf() []interface{} {
	return []interface{}{repo.FileContent{}, dirContent{}, repo.SymlinkContent{}, repo.SubmoduleContent{}}
}

// getContentOutput is used to overshadow the content and contenttype of repo.GetContentOutput.
type getContentOutput struct {
	repo.GetContentOutput
	Type    contentType `json:"type"`
	Content content     `json:"content"`
}

type listCommitsRequest struct {
	repoRequest
}

//nolint:funlen
func repoOperations(reflector *openapi3.Reflector) {
	createRepository := openapi3.Operation{}
	createRepository.WithTags("repository")
	createRepository.WithMapOfAnything(map[string]interface{}{"operationId": "createRepository"})
	_ = reflector.SetRequest(&createRepository, new(createRepositoryRequest), http.MethodPost)
	_ = reflector.SetJSONResponse(&createRepository, new(types.Repository), http.StatusCreated)
	_ = reflector.SetJSONResponse(&createRepository, new(usererror.Error), http.StatusBadRequest)
	_ = reflector.SetJSONResponse(&createRepository, new(usererror.Error), http.StatusInternalServerError)
	_ = reflector.SetJSONResponse(&createRepository, new(usererror.Error), http.StatusUnauthorized)
	_ = reflector.SetJSONResponse(&createRepository, new(usererror.Error), http.StatusForbidden)
	_ = reflector.Spec.AddOperation(http.MethodPost, "/repos", createRepository)

	opFind := openapi3.Operation{}
	opFind.WithTags("repository")
	opFind.WithMapOfAnything(map[string]interface{}{"operationId": "findRepository"})
	_ = reflector.SetRequest(&opFind, new(repoRequest), http.MethodGet)
	_ = reflector.SetJSONResponse(&opFind, new(types.Repository), http.StatusOK)
	_ = reflector.SetJSONResponse(&opFind, new(usererror.Error), http.StatusInternalServerError)
	_ = reflector.SetJSONResponse(&opFind, new(usererror.Error), http.StatusUnauthorized)
	_ = reflector.SetJSONResponse(&opFind, new(usererror.Error), http.StatusForbidden)
	_ = reflector.SetJSONResponse(&opFind, new(usererror.Error), http.StatusNotFound)
	_ = reflector.Spec.AddOperation(http.MethodGet, "/repos/{ref}", opFind)

	opUpdate := openapi3.Operation{}
	opUpdate.WithTags("repository")
	opUpdate.WithMapOfAnything(map[string]interface{}{"operationId": "updateRepository"})
	_ = reflector.SetRequest(&opUpdate, new(updateRepoRequest), http.MethodPatch)
	_ = reflector.SetJSONResponse(&opUpdate, new(types.Repository), http.StatusOK)
	_ = reflector.SetJSONResponse(&opUpdate, new(usererror.Error), http.StatusBadRequest)
	_ = reflector.SetJSONResponse(&opUpdate, new(usererror.Error), http.StatusInternalServerError)
	_ = reflector.SetJSONResponse(&opUpdate, new(usererror.Error), http.StatusUnauthorized)
	_ = reflector.SetJSONResponse(&opUpdate, new(usererror.Error), http.StatusForbidden)
	_ = reflector.SetJSONResponse(&opUpdate, new(usererror.Error), http.StatusNotFound)
	_ = reflector.Spec.AddOperation(http.MethodPatch, "/repos/{ref}", opUpdate)

	opDelete := openapi3.Operation{}
	opDelete.WithTags("repository")
	opDelete.WithMapOfAnything(map[string]interface{}{"operationId": "deleteRepository"})
	_ = reflector.SetRequest(&opDelete, new(repoRequest), http.MethodDelete)
	_ = reflector.SetJSONResponse(&opDelete, nil, http.StatusNoContent)
	_ = reflector.SetJSONResponse(&opDelete, new(usererror.Error), http.StatusInternalServerError)
	_ = reflector.SetJSONResponse(&opDelete, new(usererror.Error), http.StatusUnauthorized)
	_ = reflector.SetJSONResponse(&opDelete, new(usererror.Error), http.StatusForbidden)
	_ = reflector.SetJSONResponse(&opDelete, new(usererror.Error), http.StatusNotFound)
	_ = reflector.Spec.AddOperation(http.MethodDelete, "/repos/{ref}", opDelete)

	opMove := openapi3.Operation{}
	opMove.WithTags("repository")
	opMove.WithMapOfAnything(map[string]interface{}{"operationId": "moveRepository"})
	_ = reflector.SetRequest(&opMove, new(moveRepoRequest), http.MethodPost)
	_ = reflector.SetJSONResponse(&opMove, new(types.Repository), http.StatusOK)
	_ = reflector.SetJSONResponse(&opMove, new(usererror.Error), http.StatusBadRequest)
	_ = reflector.SetJSONResponse(&opMove, new(usererror.Error), http.StatusInternalServerError)
	_ = reflector.SetJSONResponse(&opMove, new(usererror.Error), http.StatusUnauthorized)
	_ = reflector.SetJSONResponse(&opMove, new(usererror.Error), http.StatusForbidden)
	_ = reflector.Spec.AddOperation(http.MethodPost, "/repos/{ref}/move", opMove)

	opServiceAccounts := openapi3.Operation{}
	opServiceAccounts.WithTags("repository")
	opServiceAccounts.WithMapOfAnything(map[string]interface{}{"operationId": "listRepositoryServiceAccounts"})
	_ = reflector.SetRequest(&opServiceAccounts, new(repoRequest), http.MethodGet)
	_ = reflector.SetJSONResponse(&opServiceAccounts, []types.ServiceAccount{}, http.StatusOK)
	_ = reflector.SetJSONResponse(&opServiceAccounts, new(usererror.Error), http.StatusInternalServerError)
	_ = reflector.SetJSONResponse(&opServiceAccounts, new(usererror.Error), http.StatusUnauthorized)
	_ = reflector.SetJSONResponse(&opServiceAccounts, new(usererror.Error), http.StatusForbidden)
	_ = reflector.SetJSONResponse(&opServiceAccounts, new(usererror.Error), http.StatusNotFound)
	_ = reflector.Spec.AddOperation(http.MethodGet, "/repos/{ref}/serviceAccounts", opServiceAccounts)

	opListPaths := openapi3.Operation{}
	opListPaths.WithTags("repository")
	opListPaths.WithMapOfAnything(map[string]interface{}{"operationId": "listRepositoryPaths"})
	_ = reflector.SetRequest(&opListPaths, new(repoRequest), http.MethodGet)
	_ = reflector.SetJSONResponse(&opListPaths, []types.Path{}, http.StatusOK)
	_ = reflector.SetJSONResponse(&opListPaths, new(usererror.Error), http.StatusInternalServerError)
	_ = reflector.SetJSONResponse(&opListPaths, new(usererror.Error), http.StatusUnauthorized)
	_ = reflector.SetJSONResponse(&opListPaths, new(usererror.Error), http.StatusForbidden)
	_ = reflector.SetJSONResponse(&opListPaths, new(usererror.Error), http.StatusNotFound)
	_ = reflector.Spec.AddOperation(http.MethodGet, "/repos/{ref}/paths", opListPaths)

	opCreatePath := openapi3.Operation{}
	opCreatePath.WithTags("repository")
	opCreatePath.WithMapOfAnything(map[string]interface{}{"operationId": "createRepositoryPath"})
	_ = reflector.SetRequest(&opCreatePath, new(createRepoPathRequest), http.MethodPost)
	_ = reflector.SetJSONResponse(&opCreatePath, new(types.Path), http.StatusCreated)
	_ = reflector.SetJSONResponse(&opCreatePath, new(usererror.Error), http.StatusBadRequest)
	_ = reflector.SetJSONResponse(&opCreatePath, new(usererror.Error), http.StatusInternalServerError)
	_ = reflector.SetJSONResponse(&opCreatePath, new(usererror.Error), http.StatusUnauthorized)
	_ = reflector.SetJSONResponse(&opCreatePath, new(usererror.Error), http.StatusForbidden)
	_ = reflector.Spec.AddOperation(http.MethodPost, "/repos/{ref}/paths", opCreatePath)

	onDeletePath := openapi3.Operation{}
	onDeletePath.WithTags("repository")
	onDeletePath.WithMapOfAnything(map[string]interface{}{"operationId": "deleteRepositoryPath"})
	_ = reflector.SetRequest(&onDeletePath, new(deleteRepoPathRequest), http.MethodDelete)
	_ = reflector.SetJSONResponse(&onDeletePath, nil, http.StatusNoContent)
	_ = reflector.SetJSONResponse(&onDeletePath, new(usererror.Error), http.StatusInternalServerError)
	_ = reflector.SetJSONResponse(&onDeletePath, new(usererror.Error), http.StatusUnauthorized)
	_ = reflector.SetJSONResponse(&onDeletePath, new(usererror.Error), http.StatusForbidden)
	_ = reflector.SetJSONResponse(&onDeletePath, new(usererror.Error), http.StatusNotFound)
	_ = reflector.Spec.AddOperation(http.MethodDelete, "/repos/{ref}/paths/{pathID}", onDeletePath)

	opGetContent := openapi3.Operation{}
	opGetContent.WithTags("repository")
	opGetContent.WithMapOfAnything(map[string]interface{}{"operationId": "getContent"})
	_ = reflector.SetRequest(&opGetContent, new(getContentRequest), http.MethodGet)
	_ = reflector.SetJSONResponse(&opGetContent, new(getContentOutput), http.StatusOK)
	_ = reflector.SetJSONResponse(&opGetContent, new(usererror.Error), http.StatusInternalServerError)
	_ = reflector.SetJSONResponse(&opGetContent, new(usererror.Error), http.StatusUnauthorized)
	_ = reflector.SetJSONResponse(&opGetContent, new(usererror.Error), http.StatusForbidden)
	_ = reflector.SetJSONResponse(&opGetContent, new(usererror.Error), http.StatusNotFound)
	_ = reflector.Spec.AddOperation(http.MethodGet, "/repos/{ref}/content/{path}", opGetContent)

	opListCommits := openapi3.Operation{}
	opListCommits.WithTags("repository")
	opListCommits.WithMapOfAnything(map[string]interface{}{"operationId": "listCommits"})
	_ = reflector.SetRequest(&opListCommits, new(listCommitsRequest), http.MethodGet)
	_ = reflector.SetJSONResponse(&opListCommits, []repo.Commit{}, http.StatusOK)
	_ = reflector.SetJSONResponse(&opListCommits, new(usererror.Error), http.StatusInternalServerError)
	_ = reflector.SetJSONResponse(&opListCommits, new(usererror.Error), http.StatusUnauthorized)
	_ = reflector.SetJSONResponse(&opListCommits, new(usererror.Error), http.StatusForbidden)
	_ = reflector.SetJSONResponse(&opListCommits, new(usererror.Error), http.StatusNotFound)
	_ = reflector.Spec.AddOperation(http.MethodGet, "/repos/{ref}/commits", opListCommits)

	opListBranches := openapi3.Operation{}
	opListBranches.WithTags("repository")
	opListBranches.WithMapOfAnything(map[string]interface{}{"operationId": "listBranches"})
	_ = reflector.SetRequest(&opListBranches, new(listCommitsRequest), http.MethodGet)
	_ = reflector.SetJSONResponse(&opListBranches, []repo.Branch{}, http.StatusOK)
	_ = reflector.SetJSONResponse(&opListBranches, new(usererror.Error), http.StatusInternalServerError)
	_ = reflector.SetJSONResponse(&opListBranches, new(usererror.Error), http.StatusUnauthorized)
	_ = reflector.SetJSONResponse(&opListBranches, new(usererror.Error), http.StatusForbidden)
	_ = reflector.SetJSONResponse(&opListBranches, new(usererror.Error), http.StatusNotFound)
	_ = reflector.Spec.AddOperation(http.MethodGet, "/repos/{ref}/branches", opListBranches)
}