package one2one

import (
	"fmt"
	"git.sxidc.com/go-framework/baize/convenient/binding"
	"git.sxidc.com/go-framework/baize/convenient/binding/request"
	"git.sxidc.com/go-framework/baize/convenient/binding/response"
	"git.sxidc.com/go-framework/baize/framwork/domain"
	"github.com/iancoleman/strcase"
	"reflect"
)

// Simple 关联的Bind参数
// LI 为左边实体的Info类型
// RI 为右边实体的Info类型
type Simple[LI any, RI any] struct {
	// 左领域实体，注意是Entity类型
	Left domain.Entity

	// 右领域实体，注意是Entity类型
	Right domain.Entity

	// 左表名
	LeftTableName string

	// 右表名
	RightTableName string

	// URL领域相对路径，如/user/userInfo，后面会自动补充，如/user/userInfo/update
	LeftDomainPath string

	// URL领域相对路径，如/userInfo/user，后面会自动补充，如/userInfo/user/update
	RightDomainPath string

	// 更新左实体关联使用的请求参数
	LeftUpdateJsonBody request.WithID

	// 查询左实体关联使用的请求参数，注意是Query类型
	LeftQueryQueryParams request.QueryWithID

	// 更新右实体关联使用的请求参数
	RightUpdateJsonBody request.WithID

	// 查询右实体关联使用的请求参数，注意是Query类型
	RightQueryQueryParams request.QueryWithID

	// 查询左实体带右实体信息使用的请求参数，注意是Query类型
	LeftQueryWithRightQueryParams request.QueryWithID

	// 查询右实体带左实体信息使用的请求参数，注意是Query类型
	RightQueryWithLeftQueryParams request.QueryWithID

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

func (simple *Simple[LI, RI]) bind(binder *binding.Binder) {
	options := simple.options

	leftEntityType := reflect.TypeOf(simple.Left)
	rightEntityType := reflect.TypeOf(simple.Right)

	leftRelationFieldName := fmt.Sprintf("%sID", strcase.ToCamel(rightEntityType.Name()))
	rightRelationFieldName := fmt.Sprintf("%sID", strcase.ToCamel(leftEntityType.Name()))
	leftRelationColumnName := fmt.Sprintf("%s_id", strcase.ToSnake(rightEntityType.Name()))
	rightRelationColumnName := fmt.Sprintf("%s_id", strcase.ToSnake(leftEntityType.Name()))

	if !options.disableLeft {
		if !options.disableLeftUpdate {
			// 左到右更新
			binding.PostBind(binder, &binding.SimpleBindItem[any]{
				Path:          simple.LeftDomainPath + simple.RightDomainPath + "/update",
				ResponseFunc:  response.SendMsgResponse,
				RequestParams: simple.LeftUpdateJsonBody,
				Objects:       []domain.Object{simple.Left},
				ServiceFunc: Update(simple.LeftTableName, leftRelationFieldName, leftRelationColumnName,
					simple.RightTableName, simple.Right.DomainCNName()),
			})
		}
	}

	if !options.disableRight {
		if !options.disableRightUpdate {
			// 右到左更新
			binding.PostBind(binder, &binding.SimpleBindItem[any]{
				Path:          simple.RightDomainPath + simple.LeftDomainPath + "/update",
				ResponseFunc:  response.SendMsgResponse,
				RequestParams: simple.RightUpdateJsonBody,
				Objects:       []domain.Object{simple.Right},
				ServiceFunc: Update(simple.RightTableName, rightRelationFieldName, rightRelationColumnName,
					simple.LeftTableName, simple.Left.DomainCNName()),
			})
		}
	}

}

func BindSimple[LI any, RI any](binder *binding.Binder, simple *Simple[LI, RI], opts ...Option) {
	options := new(Options)

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

	simple.options = options

	simple.bind(binder)
}

type Option func(options *Options)

type Options 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

	// 关闭左实体带右实体信息查询
	disableLeftWithRightQuery bool

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

func WithDisableLeft() Option {
	return func(options *Options) {
		options.disableLeft = true
	}
}

func WithDisableRight() Option {
	return func(options *Options) {
		options.disableRight = true
	}
}

func WithDisableLeftUpdate() Option {
	return func(options *Options) {
		options.disableLeftUpdate = true
	}
}

func WithDisableLeftQuery[LI any, RI any]() Option {
	return func(options *Options) {
		options.disableLeftQuery = true
	}
}

func WithDisableRightUpdate() Option {
	return func(options *Options) {
		options.disableRightUpdate = true
	}
}

func WithDisableRightQuery[LI any, RI any]() Option {
	return func(options *Options) {
		options.disableRightQuery = true
	}
}

func WithDisableLeftWithRightQuery[LI any, RI any]() Option {
	return func(options *Options) {
		options.disableLeftWithRightQuery = true
	}
}

func WithDisableRightWithLeftQuery() Option {
	return func(options *Options) {
		options.disableRightWithLeftQuery = true
	}
}