package services

import (
	"context"
	"encoding/json"
	"github.com/TeaOSLab/EdgeAPI/internal/db/models"
	rpcutils "github.com/TeaOSLab/EdgeAPI/internal/rpc/utils"
	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs/shared"
)

type HTTPGzipService struct {
}

// 创建Gzip配置
func (this *HTTPGzipService) CreateHTTPGzip(ctx context.Context, req *pb.CreateHTTPGzipRequest) (*pb.CreateHTTPGzipResponse, error) {
	// 校验请求
	_, _, err := rpcutils.ValidateRequest(ctx, rpcutils.UserTypeAdmin)
	if err != nil {
		return nil, err
	}

	minLengthJSON := []byte{}
	if req.MinLength != nil {
		minLengthJSON, err = (&shared.SizeCapacity{
			Count: req.MinLength.Count,
			Unit:  req.MinLength.Unit,
		}).AsJSON()
		if err != nil {
			return nil, err
		}
	}

	maxLengthJSON := []byte{}
	if req.MaxLength != nil {
		maxLengthJSON, err = (&shared.SizeCapacity{
			Count: req.MaxLength.Count,
			Unit:  req.MaxLength.Unit,
		}).AsJSON()
		if err != nil {
			return nil, err
		}
	}

	gzipId, err := models.SharedHTTPGzipDAO.CreateGzip(int(req.Level), minLengthJSON, maxLengthJSON)
	if err != nil {
		return nil, err
	}

	return &pb.CreateHTTPGzipResponse{GzipId: gzipId}, nil
}

// 查找Gzip
func (this *HTTPGzipService) FindEnabledHTTPGzipConfig(ctx context.Context, req *pb.FindEnabledGzipConfigRequest) (*pb.FindEnabledGzipConfigResponse, error) {
	// 校验请求
	_, _, err := rpcutils.ValidateRequest(ctx, rpcutils.UserTypeAdmin)
	if err != nil {
		return nil, err
	}

	config, err := models.SharedHTTPGzipDAO.ComposeGzipConfig(req.GzipId)
	if err != nil {
		return nil, err
	}

	configData, err := json.Marshal(config)
	if err != nil {
		return nil, err
	}
	return &pb.FindEnabledGzipConfigResponse{Config: configData}, nil
}

// 修改Gzip配置
func (this *HTTPGzipService) UpdateHTTPGzip(ctx context.Context, req *pb.UpdateHTTPGzipRequest) (*pb.UpdateHTTPGzipResponse, error) {
	// 校验请求
	_, _, err := rpcutils.ValidateRequest(ctx, rpcutils.UserTypeAdmin)
	if err != nil {
		return nil, err
	}

	minLengthJSON := []byte{}
	if req.MinLength != nil {
		minLengthJSON, err = (&shared.SizeCapacity{
			Count: req.MinLength.Count,
			Unit:  req.MinLength.Unit,
		}).AsJSON()
		if err != nil {
			return nil, err
		}
	}

	maxLengthJSON := []byte{}
	if req.MaxLength != nil {
		maxLengthJSON, err = (&shared.SizeCapacity{
			Count: req.MaxLength.Count,
			Unit:  req.MaxLength.Unit,
		}).AsJSON()
		if err != nil {
			return nil, err
		}
	}

	err = models.SharedHTTPGzipDAO.UpdateGzip(req.GzipId, int(req.Level), minLengthJSON, maxLengthJSON)
	if err != nil {
		return nil, err
	}

	return &pb.UpdateHTTPGzipResponse{}, nil
}