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 One2Many(builder *gateway.Builder, params *One2ManyParams, opts ...One2ManyOption) {
	options := new(One2ManyOptions)

	for _, opt := range opts {
		opt(options)
	}

	params.options = options

	params.one2many(builder)
}

type One2ManyParams struct {
	// 除去后缀的服务URL，如http://localhost:8080/example/api/v1
	ServiceVersionedUrl string

	// 左领域名称
	LeftDomainCamelName string

	// 右领域名称
	RightDomainCamelName string

	// 可选配置项，通过WithXXX配置
	options *One2ManyOptions
}

func (params *One2ManyParams) one2many(builder *gateway.Builder) {
	options := params.options

	leftDomainPath := "/" + strcase.ToLowerCamel(template.Id(params.LeftDomainCamelName))
	rightDomainPath := "/" + strcase.ToLowerCamel(template.Id(params.RightDomainCamelName))

	if !options.disableLeft {
		if !options.disableLeftUpdate {
			// 左到右更新
			builder.
				Url(http.MethodPost, leftDomainPath+rightDomainPath+"/update").
				Post(&gateway.PostRequest{
					Url: params.ServiceVersionedUrl + leftDomainPath + rightDomainPath + "/update",
				}, nil).
				Build()
		}

		if !options.disableLeftQuery {
			// 左到右查询
			builder.
				Url(http.MethodGet, leftDomainPath+rightDomainPath+"/query").
				Get(&gateway.GetRequest{
					Url: params.ServiceVersionedUrl + leftDomainPath + rightDomainPath + "/query",
				}, nil).
				Build()
		}
	}

	if !options.disableRight {
		if !options.disableRightUpdate {
			// 右到左更新
			builder.
				Url(http.MethodPost, rightDomainPath+leftDomainPath+"/update").
				Post(&gateway.PostRequest{
					Url: params.ServiceVersionedUrl + rightDomainPath + leftDomainPath + "/update",
				}, nil).
				Build()
		}

		if !options.disableRightQuery {
			// 右到左查询
			builder.
				Url(http.MethodGet, rightDomainPath+leftDomainPath+"/query").
				Get(&gateway.GetRequest{
					Url: params.ServiceVersionedUrl + rightDomainPath + leftDomainPath + "/query",
				}, nil).
				Build()
		}

		if !options.disableRightWithLeftQuery {
			// 右到左查询，携带左方信息
			builder.
				Url(http.MethodGet, rightDomainPath+leftDomainPath+"/queryWith").
				Request(func(c *api.Context, historyRequests []gateway.BuilderRequest, resultMap map[string]any) (gateway.BuilderRequest, error) {
					newQueryParams, err := gateway.AddQueryParamsTenantIDAndUserID(c, "tenantId", "")
					if err != nil {
						return nil, err
					}

					return &gateway.GetRequest{
						Url:         params.ServiceVersionedUrl + rightDomainPath + leftDomainPath + "/queryWith",
						QueryParams: newQueryParams,
					}, nil
				}, nil).
				Build()
		}
	}
}

type One2ManyOption func(options *One2ManyOptions)

type One2ManyOptions struct {
	// 关闭左侧到右侧关联
	disableLeft bool

	// 关闭右侧到左侧关联
	disableRight bool

	// 关闭左侧更新
	disableLeftUpdate bool

	// 关闭左侧查询
	disableLeftQuery bool

	// 关闭右侧更新
	disableRightUpdate bool

	// 关闭右侧查询
	disableRightQuery bool

	// 关闭右实体带左实体信息查询
	disableRightWithLeftQuery bool
}

func WithOne2ManyDisableLeft() One2ManyOption {
	return func(options *One2ManyOptions) {
		options.disableLeft = true
	}
}

func WithOne2ManyDisableRight() One2ManyOption {
	return func(options *One2ManyOptions) {
		options.disableRight = true
	}
}

func WithOne2ManyDisableLeftUpdate() One2ManyOption {
	return func(options *One2ManyOptions) {
		options.disableLeftUpdate = true
	}
}

func WithOne2ManyDisableLeftQuery() One2ManyOption {
	return func(options *One2ManyOptions) {
		options.disableLeftQuery = true
	}
}

func WithOne2ManyDisableRightUpdate() One2ManyOption {
	return func(options *One2ManyOptions) {
		options.disableRightUpdate = true
	}
}

func WithOne2ManyDisableRightQuery() One2ManyOption {
	return func(options *One2ManyOptions) {
		options.disableRightQuery = true
	}
}

func WithOne2ManyDisableRightWithLeftQuery() One2ManyOption {
	return func(options *One2ManyOptions) {
		options.disableRightWithLeftQuery = true
	}
}