package server

import (
	"cfTest/cloudflareApi/loadBalancerPool"
	"context"
	"github.com/cloudflare/cloudflare-go"
	"github.com/jinzhu/copier"
	"github.com/samber/lo"
)

type LoadBalancerPoolServer struct {
	loadBalancerPool.UnimplementedLoadBalancerPoolCloudflareServer
}

func (d LoadBalancerPoolServer) Get(ctx context.Context, request *loadBalancerPool.IdRequest) (*loadBalancerPool.LoadBalancerPool, error) {
	api, err := cloudflare.New(request.GetApiKey(), request.GetApiEmail())
	if err != nil {
		return nil, err
	}

	ctxAPI := context.Background()
	//TODO 需要提供AccountID才能获取到正确的Pool。
	pool, err := api.LoadBalancerPoolDetails(ctxAPI, request.Id)
	if err != nil {
		return nil, err
	}
	out := Go2ProtoLoadBalancerPool(&pool)
	return out, nil
}

func (d LoadBalancerPoolServer) List(ctx context.Context, request *loadBalancerPool.ListRequest) (*loadBalancerPool.LoadBalancerPoolList, error) {
	api, err := cloudflare.New(request.GetApiKey(), request.GetApiEmail())
	if err != nil {
		return nil, err
	}
	ctxAPI := context.Background()

	pools, err := api.ListLoadBalancerPools(ctxAPI)
	if err != nil {
		return nil, err
	}

	filterMap := lo.FilterMap[cloudflare.LoadBalancerPool, *loadBalancerPool.LoadBalancerPool](pools, func(pool cloudflare.LoadBalancerPool, _ int) (*loadBalancerPool.LoadBalancerPool, bool) {
		protoPool := Go2ProtoLoadBalancerPool(&pool)
		if protoPool == nil {
			return nil, false
		}
		return protoPool, true
	})
	return &loadBalancerPool.LoadBalancerPoolList{LoadBalancerPools: filterMap}, nil
}

func (d LoadBalancerPoolServer) Create(ctx context.Context, request *loadBalancerPool.LoadBalancerPoolRequest) (*loadBalancerPool.LoadBalancerPool, error) {
	api, err := cloudflare.New(request.GetApiKey(), request.GetApiEmail())
	if err != nil {
		return nil, err
	}

	ctxAPI := context.Background()

	in := Proto2GoLoadBalancerPool(request.LoadBalancerPool)
	pool, err := api.CreateLoadBalancerPool(ctxAPI, *in)
	if err != nil {
		return nil, err
	}

	out := Go2ProtoLoadBalancerPool(&pool)
	return out, nil
}

func (d LoadBalancerPoolServer) Update(ctx context.Context, request *loadBalancerPool.LoadBalancerPoolRequest) (*loadBalancerPool.LoadBalancerPool, error) {
	api, err := cloudflare.New(request.GetApiKey(), request.GetApiEmail())
	if err != nil {
		return nil, err
	}

	ctxAPI := context.Background()

	in := Proto2GoLoadBalancerPool(request.LoadBalancerPool)

	pool, err := api.ModifyLoadBalancerPool(ctxAPI, *in)
	if err != nil {
		return nil, err
	}
	out := Go2ProtoLoadBalancerPool(&pool)
	return out, nil
}

func (d LoadBalancerPoolServer) Delete(ctx context.Context, request *loadBalancerPool.IdRequest) (*loadBalancerPool.Empty, error) {
	api, err := cloudflare.New(request.GetApiKey(), request.GetApiEmail())
	if err != nil {
		return nil, err
	}

	ctxAPI := context.Background()

	err = api.DeleteLoadBalancerPool(ctxAPI, request.Id)
	if err != nil {
		return nil, err
	}

	return &loadBalancerPool.Empty{}, nil
}

func Go2ProtoLoadBalancerPool(goPool *cloudflare.LoadBalancerPool) (protoPool *loadBalancerPool.LoadBalancerPool) {
	protoPool = new(loadBalancerPool.LoadBalancerPool)
	err := copier.Copy(protoPool, goPool)
	if err != nil {
		return nil
	}
	protoPool.Id = goPool.ID

	return
}
func Proto2GoLoadBalancerPool(protoPool *loadBalancerPool.LoadBalancerPool) (goPool *cloudflare.LoadBalancerPool) {
	goPool = new(cloudflare.LoadBalancerPool)
	err := copier.Copy(goPool, protoPool)
	if err != nil {
		return nil
	}
	goPool.ID = protoPool.Id

	return
}