package one2many

import (
	"fmt"
	"git.sxidc.com/go-framework/baize/framework/binding"
	"git.sxidc.com/go-framework/baize/framework/core/api/request"
	"git.sxidc.com/go-framework/baize/framework/core/api/response"
	"git.sxidc.com/go-framework/baize/framework/core/domain"
	"git.sxidc.com/go-framework/baize/framework/core/domain/entity"
)

// 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 entity.Entity

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

	// 数据库Schema
	Schema string

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

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

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

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

	// 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.QueryRequestParams

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

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

	leftDomainPath := domain.RelativeDomainPath(simple.Left)
	rightDomainPath := domain.RelativeDomainPath(simple.Right)

	leftRelationFieldName := fmt.Sprintf("%sIDs", simple.Right.DomainCamelName())
	rightRelationFieldName := fmt.Sprintf("%sID", simple.Left.DomainCamelName())

	leftTableName := domain.TableName(simple.Schema, simple.Left)
	leftRelationColumnName := domain.RelationColumnName(simple.Left)
	rightTableName := domain.TableName(simple.Schema, simple.Right)

	if !options.disableLeft {
		if !options.disableLeftUpdate {
			leftUpdateMiddlewares := append(options.globalMiddlewares, options.leftUpdateMiddlewares...)

			// 左到右更新
			binding.PostBind(binder, &binding.SimpleBindItem[any]{
				Path:             leftDomainPath + rightDomainPath + "/update",
				SendResponseFunc: response.SendMsgResponse,
				RequestParams:    simple.LeftUpdateJsonBody,
				Objects:          []domain.Object{simple.Left},
				ServiceFunc: UpdateLeft(leftTableName, simple.Left.DomainCNName(), leftRelationFieldName, leftRelationColumnName,
					rightTableName, simple.Right.DomainCNName()),
			}, leftUpdateMiddlewares...)
		}

		if !options.disableLeftQuery {
			leftQueryMiddlewares := append(options.globalMiddlewares, options.leftQueryMiddlewares...)

			// 左到右查询
			binding.GetBind(binder, &binding.SimpleBindItem[response.InfosData[RI]]{
				Path:             leftDomainPath + rightDomainPath + "/query",
				SendResponseFunc: response.SendInfosResponse[RI],
				RequestParams:    simple.LeftQueryQueryParams,
				Objects:          []domain.Object{simple.Left},
				ServiceFunc:      QueryLeft[RI](leftTableName, leftRelationColumnName, rightTableName),
			}, leftQueryMiddlewares...)
		}
	}

	if !options.disableRight {
		if !options.disableRightUpdate {
			rightUpdateMiddlewares := append(options.globalMiddlewares, options.rightUpdateMiddlewares...)

			// 右到左更新
			binding.PostBind(binder, &binding.SimpleBindItem[any]{
				Path:             rightDomainPath + leftDomainPath + "/update",
				SendResponseFunc: response.SendMsgResponse,
				RequestParams:    simple.RightUpdateJsonBody,
				Objects:          []domain.Object{simple.Right},
				ServiceFunc: UpdateRight(rightTableName, rightRelationFieldName,
					leftTableName, simple.Left.DomainCNName(), leftRelationColumnName),
			}, rightUpdateMiddlewares...)
		}

		if !options.disableRightQuery {
			rightQueryMiddlewares := append(options.globalMiddlewares, options.rightQueryMiddlewares...)

			// 右到左查询
			binding.GetBind(binder, &binding.SimpleBindItem[LI]{
				Path:             rightDomainPath + leftDomainPath + "/query",
				SendResponseFunc: response.SendInfoResponse[LI],
				RequestParams:    simple.RightQueryQueryParams,
				Objects:          []domain.Object{simple.Right},
				ServiceFunc:      QueryRight[LI](rightTableName, rightRelationFieldName, leftTableName),
			}, rightQueryMiddlewares...)
		}

		if !options.disableRightWithLeftQuery {
			rightWithLeftQueryMiddlewares := append(options.globalMiddlewares, options.rightWithLeftQueryMiddlewares...)

			// 右到左查询，携带左方信息
			binding.GetBind(binder, &binding.SimpleBindItem[response.InfosData[map[string]any]]{
				Path:             rightDomainPath + leftDomainPath + "/queryWith",
				SendResponseFunc: response.SendInfosResponse[map[string]any],
				RequestParams:    simple.RightQueryWithLeftQueryParams,
				Objects:          []domain.Object{simple.Right},
				ServiceFunc:      QueryRightWithLeftInfo[RI, LI](rightTableName, options.rightQueryWithConditionFieldCallback, leftTableName, leftRelationColumnName),
			}, rightWithLeftQueryMiddlewares...)
		}
	}
}

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

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

	// 右查询条件构造回调
	rightQueryWithConditionFieldCallback ConditionFieldCallback

	// 全局中间件
	globalMiddlewares []binding.Middleware

	// 左侧更新中间件
	leftUpdateMiddlewares []binding.Middleware

	// 左侧查询中间件
	leftQueryMiddlewares []binding.Middleware

	// 右侧更新中间件
	rightUpdateMiddlewares []binding.Middleware

	// 右侧查询中间件
	rightQueryMiddlewares []binding.Middleware

	// 右实体带左实体查询中间件
	rightWithLeftQueryMiddlewares []binding.Middleware
}

func WithGlobalMiddlewares(middlewares ...binding.Middleware) Option {
	return func(options *Options) {
		options.globalMiddlewares = middlewares
	}
}

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

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

func WithDisableRightQuery() Option {
	return func(options *Options) {
		options.disableRightQuery = true
	}
}

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

func WithRightQueryWithConditionFieldCallback(callbacks ConditionFieldCallback) Option {
	return func(options *Options) {
		options.rightQueryWithConditionFieldCallback = callbacks
	}
}

func WithLeftUpdateMiddlewares(middlewares ...binding.Middleware) Option {
	return func(options *Options) {
		options.leftUpdateMiddlewares = middlewares
	}
}

func WithLeftQueryMiddlewares(middlewares ...binding.Middleware) Option {
	return func(options *Options) {
		options.leftQueryMiddlewares = middlewares
	}
}

func WithRightUpdateMiddlewares(middlewares ...binding.Middleware) Option {
	return func(options *Options) {
		options.rightUpdateMiddlewares = middlewares
	}
}

func WithRightQueryMiddlewares(middlewares ...binding.Middleware) Option {
	return func(options *Options) {
		options.rightQueryMiddlewares = middlewares
	}
}

func WithRightWithLeftQueryMiddlewares(middlewares ...binding.Middleware) Option {
	return func(options *Options) {
		options.rightWithLeftQueryMiddlewares = middlewares
	}
}