package regionserver

import (
	"context"
	"fmt"
	"net/http"

	"github.com/go-resty/resty/v2"
	regionaldedicatedv1 "github.com/tidbcloud/infra-provider/api/tidbcloud/regional-server/v1"

	"github.com/tidbcloud/tidb-management-service/dedicated-global-service/domain/entity"
	"github.com/tidbcloud/tidb-management-service/utilities/bizerr"
	"github.com/tidbcloud/tidb-management-service/utilities/grpc/metadata"
)

func (s *regionServerCliImpl) CreateVpcPeering(
	ctx context.Context,
	region *entity.Region,
	req *regionaldedicatedv1.CreateVpcPeeringRequest,
) (*regionaldedicatedv1.VpcPeering, bizerr.BizError) {
	body, err := marshalOptions.Marshal(req.VpcPeering)
	if err != nil {
		return nil, bizerr.New(bizerr.ErrCodeJsonMarshal, "%s", err.Error())
	}
	resp, berr := s.callRegion(
		ctx,
		region,
		http.MethodPost,
		operationMap["CreateVpcPeering"],
		func(request *resty.Request) *resty.Request {
			request.SetBody(body)
			return request
		},
	)
	if berr != nil {
		return nil, berr
	}

	var out regionaldedicatedv1.VpcPeering
	if err := unmarshalOptions.Unmarshal(resp.Body(), &out); err != nil {
		return nil, bizerr.New(bizerr.ErrCodeRegionalAPI, "%s", err.Error())
	}

	return &out, nil
}

func (s *regionServerCliImpl) DeleteVpcPeering(
	ctx context.Context,
	region *entity.Region,
	req *regionaldedicatedv1.DeleteVpcPeeringRequest,
) bizerr.BizError {
	vpcPeering, bizErr := s.GetVpcPeering(
		ctx,
		region,
		&regionaldedicatedv1.GetVpcPeeringRequest{VpcPeeringId: req.VpcPeeringId},
	)
	if bizErr != nil {
		return bizErr
	}
	expectRequest := &metadata.ExpectRequest[string]{
		TenantId:   vpcPeering.TenantId,
		ProjectId:  vpcPeering.ProjectId,
		ClusterId:  "", // leave it empty
		ResourceId: vpcPeering.Id,
	}
	if err := metadata.Validate(ctx, expectRequest); err != nil {
		return bizerr.WrapError(err, "validate failed")
	}

	_, err := s.callRegion(
		ctx,
		region,
		http.MethodDelete,
		operationMap["DeleteVpcPeering"],
		func(request *resty.Request) *resty.Request {
			request.SetPathParam(vpcPeeringIdPathParameter, req.VpcPeeringId)
			return request
		},
	)
	if err != nil {
		return err
	}

	return nil
}

func (s *regionServerCliImpl) ListVpcPeerings(
	ctx context.Context,
	region *entity.Region,
	req *regionaldedicatedv1.ListVpcPeeringsRequest,
) (*regionaldedicatedv1.ListVpcPeeringsResponse, bizerr.BizError) {
	resp, err := s.callRegion(
		ctx,
		region,
		http.MethodGet,
		operationMap["ListVpcPeerings"],
		func(request *resty.Request) *resty.Request {
			params := map[string]string{
				projectIDParameter:      req.GetProjectId(),
				TenantIDParameter:       req.GetTenantId(),
				showStatusOnlyParameter: fmt.Sprintf("%t", req.GetShowStatusOnly()),
			}
			request.SetQueryParams(params)
			return request
		},
	)
	if err != nil {
		return nil, err
	}

	var out regionaldedicatedv1.ListVpcPeeringsResponse
	if err := unmarshalOptions.Unmarshal(resp.Body(), &out); err != nil {
		return nil, bizerr.New(bizerr.ErrCodeRegionalAPI, "%s", err.Error())
	}

	return &out, nil
}

func (s *regionServerCliImpl) GetVpcPeering(
	ctx context.Context,
	region *entity.Region,
	req *regionaldedicatedv1.GetVpcPeeringRequest,
) (*regionaldedicatedv1.VpcPeering, bizerr.BizError) {
	resp, err := s.callRegion(
		ctx,
		region,
		http.MethodGet,
		operationMap["GetVpcPeering"],
		func(request *resty.Request) *resty.Request {
			request.SetPathParam(vpcPeeringIdPathParameter, req.VpcPeeringId)
			request.SetQueryParam(showStatusOnlyParameter, fmt.Sprintf("%t", req.ShowStatusOnly))
			return request
		},
	)
	if err != nil {
		return nil, err
	}

	var out regionaldedicatedv1.VpcPeering
	if err := unmarshalOptions.Unmarshal(resp.Body(), &out); err != nil {
		return nil, bizerr.New(bizerr.ErrCodeRegionalAPI, "%s", err.Error())
	}

	return &out, nil
}

func (s *regionServerCliImpl) AcceptVpcPeering(
	ctx context.Context,
	region *entity.Region,
	req *regionaldedicatedv1.AcceptVpcPeeringRequest,
) bizerr.BizError {
	body, err := marshalOptions.Marshal(req)
	if err != nil {
		return bizerr.New(bizerr.ErrCodeJsonMarshal, "%s", err.Error())
	}

	_, berr := s.callRegion(
		ctx,
		region,
		http.MethodPost,
		operationMap["AcceptVpcPeering"],
		func(request *resty.Request) *resty.Request {
			request.SetBody(body)
			return request
		},
	)
	if berr != nil {
		return berr
	}

	return nil
}