package gwtools

import (
	"git.sxidc.com/go-framework/baize/framework/core/api"
	"git.sxidc.com/go-framework/baize/framework/gateway"
	"git.sxidc.com/go-tools/utils/template"
	"github.com/iancoleman/strcase"
	"net/http"
)

func CRUD(builder *gateway.Builder, params *CommonCRUDParams, opts ...any) {
	createOptions := new(CreateOptions)
	deleteOptions := new(DeleteOptions)
	updateOptions := new(UpdateOptions)
	queryOptions := new(QueryOptions)
	getByIDOptions := new(GetByIDOptions)

	for _, opt := range opts {
		switch o := opt.(type) {
		case CreateOption:
			o(createOptions)
		case DeleteOption:
			o(deleteOptions)
		case UpdateOption:
			o(updateOptions)
		case QueryOption:
			o(queryOptions)
		case GetByIDOption:
			o(getByIDOptions)
		default:
			continue
		}
	}

	params.createOptions = createOptions
	params.deleteOptions = deleteOptions
	params.updateOptions = updateOptions
	params.queryOptions = queryOptions
	params.getByIDOptions = getByIDOptions

	params.crud(builder)
}

type CommonCRUDParams struct {
	// 除去后缀的服务URL，如http://localhost:8080/example/api/v1
	ServiceVersionedUrl string

	// 领域名称
	DomainCamelName string

	CreateMiddlewares  []api.Handler
	DeleteMiddlewares  []api.Handler
	UpdateMiddlewares  []api.Handler
	QueryMiddlewares   []api.Handler
	GetByIDMiddlewares []api.Handler

	// 可选配置项，通过WithXXX配置
	createOptions  *CreateOptions
	deleteOptions  *DeleteOptions
	updateOptions  *UpdateOptions
	queryOptions   *QueryOptions
	getByIDOptions *GetByIDOptions
}

func (params *CommonCRUDParams) crud(builder *gateway.Builder) {
	createOptions := params.createOptions
	deleteOptions := params.deleteOptions
	updateOptions := params.updateOptions
	queryOptions := params.queryOptions
	getByIDOptions := params.getByIDOptions

	domainPath := "/" + strcase.ToLowerCamel(template.Id(params.DomainCamelName))

	// 创建
	if !createOptions.disableCreate {
		builder.
			Url(http.MethodPost, domainPath+"/create").
			Post(&gateway.PostRequest{
				Url: params.ServiceVersionedUrl + domainPath + "/create",
			}, createOptions.createCallback).
			Build(createOptions.createMiddlewares...)
	}

	// 删除
	if !deleteOptions.disableDelete {
		builder.
			Url(http.MethodDelete, domainPath+"/delete").
			Delete(&gateway.DeleteRequest{
				Url: params.ServiceVersionedUrl + domainPath + "/delete",
			}, deleteOptions.deleteCallback).
			Build(deleteOptions.deleteMiddlewares...)
	}

	// 修改
	if !updateOptions.disableUpdate {
		builder.
			Url(http.MethodPut, domainPath+"/update").
			Put(&gateway.PutRequest{
				Url: params.ServiceVersionedUrl + domainPath + "/update",
			}, updateOptions.updateCallback).
			Build(updateOptions.updateMiddlewares...)
	}

	// 查询
	if !queryOptions.disableQuery {
		builder.
			Url(http.MethodGet, domainPath+"/query").
			Get(&gateway.GetRequest{
				Url: params.ServiceVersionedUrl + domainPath + "/query",
			}, queryOptions.queryCallback).
			Build(queryOptions.queryMiddlewares...)
	}

	// 通过ID获取
	if !getByIDOptions.disableGetByID {
		builder.
			Url(http.MethodGet, domainPath+"/get").
			Get(&gateway.GetRequest{
				Url: params.ServiceVersionedUrl + domainPath + "/get",
			}, getByIDOptions.getByIDCallback).
			Build(getByIDOptions.getByIDMiddlewares...)
	}
}

type CreateOption func(options *CreateOptions)
type DeleteOption func(options *DeleteOptions)
type UpdateOption func(options *UpdateOptions)
type QueryOption func(options *QueryOptions)
type GetByIDOption func(options *GetByIDOptions)

type CreateOptions struct {
	// 关闭创建
	disableCreate bool

	// 创建回调
	createCallback gateway.RequestCallbackFunc

	// 创建中间件
	createMiddlewares []api.Handler
}

type DeleteOptions struct {
	// 关闭删除
	disableDelete bool

	// 删除回调
	deleteCallback gateway.RequestCallbackFunc

	// 删除中间件
	deleteMiddlewares []api.Handler
}

type UpdateOptions struct {
	// 关闭更新
	disableUpdate bool

	// 更新回调
	updateCallback gateway.RequestCallbackFunc

	// 更新中间件
	updateMiddlewares []api.Handler
}

type QueryOptions struct {
	// 关闭查询
	disableQuery bool

	// 查询回调
	queryCallback gateway.RequestCallbackFunc

	// 查询中间件
	queryMiddlewares []api.Handler
}

type GetByIDOptions struct {
	// 关闭根据ID查询
	disableGetByID bool

	// 根据ID查询回调
	getByIDCallback gateway.RequestCallbackFunc

	// 根据ID查询中间件
	getByIDMiddlewares []api.Handler
}

func WithCreateCallbacks(callbacks gateway.RequestCallbackFunc) CreateOption {
	return func(options *CreateOptions) {
		options.createCallback = callbacks
	}
}

func WithCreateMiddlewares(middlewares []api.Handler) CreateOption {
	return func(options *CreateOptions) {
		options.createMiddlewares = middlewares
	}
}

func WithDisableDelete() DeleteOption {
	return func(options *DeleteOptions) {
		options.disableDelete = true
	}
}

func WithDeleteCallbacks(callbacks gateway.RequestCallbackFunc) DeleteOption {
	return func(options *DeleteOptions) {
		options.deleteCallback = callbacks
	}
}

func WithDeleteMiddlewares(middlewares []api.Handler) DeleteOption {
	return func(options *DeleteOptions) {
		options.deleteMiddlewares = middlewares
	}
}

func WithDisableUpdate() UpdateOption {
	return func(options *UpdateOptions) {
		options.disableUpdate = true
	}
}

func WithUpdateCallbacks(callbacks gateway.RequestCallbackFunc) UpdateOption {
	return func(options *UpdateOptions) {
		options.updateCallback = callbacks
	}
}

func WithUpdateMiddlewares(middlewares []api.Handler) UpdateOption {
	return func(options *UpdateOptions) {
		options.updateMiddlewares = middlewares
	}
}

func WithDisableQuery() QueryOption {
	return func(options *QueryOptions) {
		options.disableQuery = true
	}
}

func WithQueryCallbacks(callbacks gateway.RequestCallbackFunc) QueryOption {
	return func(options *QueryOptions) {
		options.queryCallback = callbacks
	}
}

func WithQueryMiddlewares(middlewares []api.Handler) QueryOption {
	return func(options *QueryOptions) {
		options.queryMiddlewares = middlewares
	}
}

func WithDisableGetByID() GetByIDOption {
	return func(options *GetByIDOptions) {
		options.disableGetByID = true
	}
}

func WithGetByIDCallbacks(callbacks gateway.RequestCallbackFunc) GetByIDOption {
	return func(options *GetByIDOptions) {
		options.getByIDCallback = callbacks
	}
}

func WithGetByIDMiddlewares(middlewares []api.Handler) GetByIDOption {
	return func(options *GetByIDOptions) {
		options.getByIDMiddlewares = middlewares
	}
}