package services

import (
	"context"
	"encoding/json"
	"github.com/TeaOSLab/EdgeAPI/internal/db/models"
	"github.com/TeaOSLab/EdgeAPI/internal/errors"
	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
	"github.com/iwind/TeaGo/dbs"
)

type HTTPWebService struct {
	BaseService
}

// CreateHTTPWeb 创建Web配置
func (this *HTTPWebService) CreateHTTPWeb(ctx context.Context, req *pb.CreateHTTPWebRequest) (*pb.CreateHTTPWebResponse, error) {
	// 校验请求
	adminId, userId, err := this.ValidateAdminAndUser(ctx)
	if err != nil {
		return nil, err
	}

	var tx = this.NullTx()

	webId, err := models.SharedHTTPWebDAO.CreateWeb(tx, adminId, userId, req.RootJSON)
	if err != nil {
		return nil, err
	}

	return &pb.CreateHTTPWebResponse{HttpWebId: webId}, nil
}

// FindEnabledHTTPWeb 查找Web配置
func (this *HTTPWebService) FindEnabledHTTPWeb(ctx context.Context, req *pb.FindEnabledHTTPWebRequest) (*pb.FindEnabledHTTPWebResponse, error) {
	// 校验请求
	_, userId, err := this.ValidateAdminAndUser(ctx)
	if err != nil {
		return nil, err
	}

	if userId > 0 {
		// 检查用户权限
		err = models.SharedHTTPWebDAO.CheckUserWeb(nil, userId, req.HttpWebId)
		if err != nil {
			return nil, err
		}
	}

	var tx = this.NullTx()

	web, err := models.SharedHTTPWebDAO.FindEnabledHTTPWeb(tx, req.HttpWebId)
	if err != nil {
		return nil, err
	}

	if web == nil {
		return &pb.FindEnabledHTTPWebResponse{HttpWeb: nil}, nil
	}

	result := &pb.HTTPWeb{}
	result.Id = int64(web.Id)
	result.IsOn = web.IsOn
	return &pb.FindEnabledHTTPWebResponse{HttpWeb: result}, nil
}

// FindEnabledHTTPWebConfig 查找Web配置
func (this *HTTPWebService) FindEnabledHTTPWebConfig(ctx context.Context, req *pb.FindEnabledHTTPWebConfigRequest) (*pb.FindEnabledHTTPWebConfigResponse, error) {
	// 校验请求
	_, userId, err := this.ValidateAdminAndUser(ctx)
	if err != nil {
		return nil, err
	}

	if userId > 0 {
		// 检查用户权限
		err = models.SharedHTTPWebDAO.CheckUserWeb(nil, userId, req.HttpWebId)
		if err != nil {
			return nil, err
		}
	}

	var tx = this.NullTx()

	config, err := models.SharedHTTPWebDAO.ComposeWebConfig(tx, req.HttpWebId, nil)
	if err != nil {
		return nil, err
	}

	configJSON, err := json.Marshal(config)
	if err != nil {
		return nil, err
	}
	return &pb.FindEnabledHTTPWebConfigResponse{HttpWebJSON: configJSON}, nil
}

// UpdateHTTPWeb 修改Web配置
func (this *HTTPWebService) UpdateHTTPWeb(ctx context.Context, req *pb.UpdateHTTPWebRequest) (*pb.RPCSuccess, error) {
	// 校验请求
	_, userId, err := this.ValidateAdminAndUser(ctx)
	if err != nil {
		return nil, err
	}

	if userId > 0 {
		// 检查用户权限
		err = models.SharedHTTPWebDAO.CheckUserWeb(nil, userId, req.HttpWebId)
		if err != nil {
			return nil, err
		}
	}

	var tx = this.NullTx()

	err = models.SharedHTTPWebDAO.UpdateWeb(tx, req.HttpWebId, req.RootJSON)
	if err != nil {
		return nil, err
	}

	return this.Success()
}

// UpdateHTTPWebCompression 修改压缩配置
func (this *HTTPWebService) UpdateHTTPWebCompression(ctx context.Context, req *pb.UpdateHTTPWebCompressionRequest) (*pb.RPCSuccess, error) {
	// 校验请求
	_, userId, err := this.ValidateAdminAndUser(ctx)
	if err != nil {
		return nil, err
	}

	if userId > 0 {
		// 检查用户权限
		err = models.SharedHTTPWebDAO.CheckUserWeb(nil, userId, req.HttpWebId)
		if err != nil {
			return nil, err
		}
	}

	var tx = this.NullTx()

	err = models.SharedHTTPWebDAO.UpdateWebCompression(tx, req.HttpWebId, req.CompressionJSON)
	if err != nil {
		return nil, err
	}

	return this.Success()
}

// UpdateHTTPWebWebP 修改WebP配置
func (this *HTTPWebService) UpdateHTTPWebWebP(ctx context.Context, req *pb.UpdateHTTPWebWebPRequest) (*pb.RPCSuccess, error) {
	// 校验请求
	_, userId, err := this.ValidateAdminAndUser(ctx)
	if err != nil {
		return nil, err
	}

	if userId > 0 {
		// 检查用户权限
		err = models.SharedHTTPWebDAO.CheckUserWeb(nil, userId, req.HttpWebId)
		if err != nil {
			return nil, err
		}
	}

	var tx = this.NullTx()

	err = models.SharedHTTPWebDAO.UpdateWebWebP(tx, req.HttpWebId, req.WebpJSON)
	if err != nil {
		return nil, err
	}

	return this.Success()
}

// UpdateHTTPWebRemoteAddr 更改RemoteAddr配置
func (this *HTTPWebService) UpdateHTTPWebRemoteAddr(ctx context.Context, req *pb.UpdateHTTPWebRemoteAddrRequest) (*pb.RPCSuccess, error) {
	// 校验请求
	_, userId, err := this.ValidateAdminAndUser(ctx)
	if err != nil {
		return nil, err
	}

	if userId > 0 {
		// 检查用户权限
		err = models.SharedHTTPWebDAO.CheckUserWeb(nil, userId, req.HttpWebId)
		if err != nil {
			return nil, err
		}
	}

	var tx = this.NullTx()
	err = models.SharedHTTPWebDAO.UpdateWebRemoteAddr(tx, req.HttpWebId, req.RemoteAddrJSON)
	if err != nil {
		return nil, err
	}

	return this.Success()
}

// UpdateHTTPWebCharset 修改字符集配置
func (this *HTTPWebService) UpdateHTTPWebCharset(ctx context.Context, req *pb.UpdateHTTPWebCharsetRequest) (*pb.RPCSuccess, error) {
	// 校验请求
	_, userId, err := this.ValidateAdminAndUser(ctx)
	if err != nil {
		return nil, err
	}

	if userId > 0 {
		// 检查用户权限
		err = models.SharedHTTPWebDAO.CheckUserWeb(nil, userId, req.HttpWebId)
		if err != nil {
			return nil, err
		}
	}

	var tx = this.NullTx()

	err = models.SharedHTTPWebDAO.UpdateWebCharset(tx, req.HttpWebId, req.CharsetJSON)
	if err != nil {
		return nil, err
	}
	return this.Success()
}

// UpdateHTTPWebRequestHeader 更改请求Header策略
func (this *HTTPWebService) UpdateHTTPWebRequestHeader(ctx context.Context, req *pb.UpdateHTTPWebRequestHeaderRequest) (*pb.RPCSuccess, error) {
	// 校验请求
	_, userId, err := this.ValidateAdminAndUser(ctx)
	if err != nil {
		return nil, err
	}

	if userId > 0 {
		// 检查用户权限
		err = models.SharedHTTPWebDAO.CheckUserWeb(nil, userId, req.HttpWebId)
		if err != nil {
			return nil, err
		}
	}

	var tx = this.NullTx()

	err = models.SharedHTTPWebDAO.UpdateWebRequestHeaderPolicy(tx, req.HttpWebId, req.HeaderJSON)
	if err != nil {
		return nil, err
	}

	return this.Success()
}

// UpdateHTTPWebResponseHeader 更改响应Header策略
func (this *HTTPWebService) UpdateHTTPWebResponseHeader(ctx context.Context, req *pb.UpdateHTTPWebResponseHeaderRequest) (*pb.RPCSuccess, error) {
	// 校验请求
	_, userId, err := this.ValidateAdminAndUser(ctx)
	if err != nil {
		return nil, err
	}

	if userId > 0 {
		// 检查用户权限
		err = models.SharedHTTPWebDAO.CheckUserWeb(nil, userId, req.HttpWebId)
		if err != nil {
			return nil, err
		}
	}

	var tx = this.NullTx()

	err = models.SharedHTTPWebDAO.UpdateWebResponseHeaderPolicy(tx, req.HttpWebId, req.HeaderJSON)
	if err != nil {
		return nil, err
	}

	return this.Success()
}

// UpdateHTTPWebShutdown 更改Shutdown
func (this *HTTPWebService) UpdateHTTPWebShutdown(ctx context.Context, req *pb.UpdateHTTPWebShutdownRequest) (*pb.RPCSuccess, error) {
	// 校验请求
	_, userId, err := this.ValidateAdminAndUser(ctx)
	if err != nil {
		return nil, err
	}

	if userId > 0 {
		// 检查用户权限
		err = models.SharedHTTPWebDAO.CheckUserWeb(nil, userId, req.HttpWebId)
		if err != nil {
			return nil, err
		}
	}

	var tx = this.NullTx()

	err = models.SharedHTTPWebDAO.UpdateWebShutdown(tx, req.HttpWebId, req.ShutdownJSON)
	if err != nil {
		return nil, err
	}
	return this.Success()
}

// UpdateHTTPWebPages 更改Pages
func (this *HTTPWebService) UpdateHTTPWebPages(ctx context.Context, req *pb.UpdateHTTPWebPagesRequest) (*pb.RPCSuccess, error) {
	// 校验请求
	_, userId, err := this.ValidateAdminAndUser(ctx)
	if err != nil {
		return nil, err
	}

	if userId > 0 {
		// 检查用户权限
		err = models.SharedHTTPWebDAO.CheckUserWeb(nil, userId, req.HttpWebId)
		if err != nil {
			return nil, err
		}
	}

	var tx = this.NullTx()

	err = models.SharedHTTPWebDAO.UpdateWebPages(tx, req.HttpWebId, req.PagesJSON)
	if err != nil {
		return nil, err
	}
	return this.Success()
}

// UpdateHTTPWebAccessLog 更改访问日志配置
func (this *HTTPWebService) UpdateHTTPWebAccessLog(ctx context.Context, req *pb.UpdateHTTPWebAccessLogRequest) (*pb.RPCSuccess, error) {
	// 校验请求
	_, userId, err := this.ValidateAdminAndUser(ctx)
	if err != nil {
		return nil, err
	}

	if userId > 0 {
		// 检查用户权限
		err = models.SharedHTTPWebDAO.CheckUserWeb(nil, userId, req.HttpWebId)
		if err != nil {
			return nil, err
		}
	}

	var tx = this.NullTx()

	err = models.SharedHTTPWebDAO.UpdateWebAccessLogConfig(tx, req.HttpWebId, req.AccessLogJSON)
	if err != nil {
		return nil, err
	}
	return this.Success()
}

// UpdateHTTPWebStat 更改统计配置
func (this *HTTPWebService) UpdateHTTPWebStat(ctx context.Context, req *pb.UpdateHTTPWebStatRequest) (*pb.RPCSuccess, error) {
	// 校验请求
	_, userId, err := this.ValidateAdminAndUser(ctx)
	if err != nil {
		return nil, err
	}

	if userId > 0 {
		// 检查用户权限
		err = models.SharedHTTPWebDAO.CheckUserWeb(nil, userId, req.HttpWebId)
		if err != nil {
			return nil, err
		}
	}

	var tx = this.NullTx()

	err = models.SharedHTTPWebDAO.UpdateWebStat(tx, req.HttpWebId, req.StatJSON)
	if err != nil {
		return nil, err
	}
	return this.Success()
}

// UpdateHTTPWebCache 更改缓存配置
func (this *HTTPWebService) UpdateHTTPWebCache(ctx context.Context, req *pb.UpdateHTTPWebCacheRequest) (*pb.RPCSuccess, error) {
	// 校验请求
	_, userId, err := this.ValidateAdminAndUser(ctx)
	if err != nil {
		return nil, err
	}

	if userId > 0 {
		// 检查权限
		err = models.SharedHTTPWebDAO.CheckUserWeb(nil, userId, req.HttpWebId)
		if err != nil {
			return nil, err
		}
	}

	var tx = this.NullTx()

	err = models.SharedHTTPWebDAO.UpdateWebCache(tx, req.HttpWebId, req.CacheJSON)
	if err != nil {
		return nil, err
	}

	return this.Success()
}

// UpdateHTTPWebFirewall 更改防火墙设置
func (this *HTTPWebService) UpdateHTTPWebFirewall(ctx context.Context, req *pb.UpdateHTTPWebFirewallRequest) (*pb.RPCSuccess, error) {
	// 校验请求
	_, userId, err := this.ValidateAdminAndUser(ctx)
	if err != nil {
		return nil, err
	}

	if userId > 0 {
		// 检查用户权限
		err = models.SharedHTTPWebDAO.CheckUserWeb(nil, userId, req.HttpWebId)
		if err != nil {
			return nil, err
		}
	}

	var tx = this.NullTx()

	err = models.SharedHTTPWebDAO.UpdateWebFirewall(tx, req.HttpWebId, req.FirewallJSON)
	if err != nil {
		return nil, err
	}

	return this.Success()
}

// UpdateHTTPWebLocations 更改路由规则设置
func (this *HTTPWebService) UpdateHTTPWebLocations(ctx context.Context, req *pb.UpdateHTTPWebLocationsRequest) (*pb.RPCSuccess, error) {
	// 校验请求
	_, userId, err := this.ValidateAdminAndUser(ctx)
	if err != nil {
		return nil, err
	}

	if userId > 0 {
		// 检查用户权限
		err = models.SharedHTTPWebDAO.CheckUserWeb(nil, userId, req.HttpWebId)
		if err != nil {
			return nil, err
		}
	}

	var tx = this.NullTx()

	err = models.SharedHTTPWebDAO.UpdateWebLocations(tx, req.HttpWebId, req.LocationsJSON)
	if err != nil {
		return nil, err
	}

	return this.Success()
}

// UpdateHTTPWebRedirectToHTTPS 更改跳转到HTTPS设置
func (this *HTTPWebService) UpdateHTTPWebRedirectToHTTPS(ctx context.Context, req *pb.UpdateHTTPWebRedirectToHTTPSRequest) (*pb.RPCSuccess, error) {
	// 校验请求
	_, userId, err := this.ValidateAdminAndUser(ctx)
	if err != nil {
		return nil, err
	}

	// 检查权限
	if userId > 0 {
		err = models.SharedHTTPWebDAO.CheckUserWeb(nil, userId, req.HttpWebId)
		if err != nil {
			return nil, err
		}
	}

	var tx = this.NullTx()

	err = models.SharedHTTPWebDAO.UpdateWebRedirectToHTTPS(tx, req.HttpWebId, req.RedirectToHTTPSJSON)
	if err != nil {
		return nil, err
	}
	return this.Success()
}

// UpdateHTTPWebWebsocket 更改Websocket设置
func (this *HTTPWebService) UpdateHTTPWebWebsocket(ctx context.Context, req *pb.UpdateHTTPWebWebsocketRequest) (*pb.RPCSuccess, error) {
	// 校验请求
	_, userId, err := this.ValidateAdminAndUser(ctx)
	if err != nil {
		return nil, err
	}

	if userId > 0 {
		err = models.SharedHTTPWebDAO.CheckUserWeb(nil, userId, req.HttpWebId)
		if err != nil {
			return nil, err
		}
	}

	var tx = this.NullTx()

	err = models.SharedHTTPWebDAO.UpdateWebsocket(tx, req.HttpWebId, req.WebsocketJSON)
	if err != nil {
		return nil, err
	}
	return this.Success()
}

// UpdateHTTPWebFastcgi 更改Fastcgi设置
func (this *HTTPWebService) UpdateHTTPWebFastcgi(ctx context.Context, req *pb.UpdateHTTPWebFastcgiRequest) (*pb.RPCSuccess, error) {
	// 校验请求
	_, userId, err := this.ValidateAdminAndUser(ctx)
	if err != nil {
		return nil, err
	}

	if userId > 0 {
		err = models.SharedHTTPWebDAO.CheckUserWeb(nil, userId, req.HttpWebId)
		if err != nil {
			return nil, err
		}
	}

	var tx = this.NullTx()

	err = models.SharedHTTPWebDAO.UpdateWebFastcgi(tx, req.HttpWebId, req.FastcgiJSON)
	if err != nil {
		return nil, err
	}
	return this.Success()
}

// UpdateHTTPWebRewriteRules 更改重写规则设置
func (this *HTTPWebService) UpdateHTTPWebRewriteRules(ctx context.Context, req *pb.UpdateHTTPWebRewriteRulesRequest) (*pb.RPCSuccess, error) {
	// 校验请求
	_, userId, err := this.ValidateAdminAndUser(ctx)
	if err != nil {
		return nil, err
	}

	if userId > 0 {
		err = models.SharedHTTPWebDAO.CheckUserWeb(nil, userId, req.HttpWebId)
		if err != nil {
			return nil, err
		}
	}

	var tx = this.NullTx()

	err = models.SharedHTTPWebDAO.UpdateWebRewriteRules(tx, req.HttpWebId, req.RewriteRulesJSON)
	if err != nil {
		return nil, err
	}
	return this.Success()
}

// UpdateHTTPWebHostRedirects 更改主机跳转设置
func (this *HTTPWebService) UpdateHTTPWebHostRedirects(ctx context.Context, req *pb.UpdateHTTPWebHostRedirectsRequest) (*pb.RPCSuccess, error) {
	// 校验请求
	_, userId, err := this.ValidateAdminAndUser(ctx)
	if err != nil {
		return nil, err
	}

	if userId > 0 {
		err = models.SharedHTTPWebDAO.CheckUserWeb(nil, userId, req.HttpWebId)
		if err != nil {
			return nil, err
		}
	}

	hostRedirects := []*serverconfigs.HTTPHostRedirectConfig{}
	if len(req.HostRedirectsJSON) == 0 {
		return nil, errors.New("'hostRedirectsJSON' should not be empty")
	}
	err = json.Unmarshal(req.HostRedirectsJSON, &hostRedirects)
	if err != nil {
		return nil, err
	}

	// 校验
	for _, redirect := range hostRedirects {
		err := redirect.Init()
		if err != nil {
			return nil, err
		}
	}

	var tx *dbs.Tx
	err = models.SharedHTTPWebDAO.UpdateWebHostRedirects(tx, req.HttpWebId, hostRedirects)
	if err != nil {
		return nil, err
	}
	return this.Success()
}

// FindHTTPWebHostRedirects 查找主机跳转设置
func (this *HTTPWebService) FindHTTPWebHostRedirects(ctx context.Context, req *pb.FindHTTPWebHostRedirectsRequest) (*pb.FindHTTPWebHostRedirectsResponse, error) {
	// 校验请求
	_, userId, err := this.ValidateAdminAndUser(ctx)
	if err != nil {
		return nil, err
	}

	if userId > 0 {
		err = models.SharedHTTPWebDAO.CheckUserWeb(nil, userId, req.HttpWebId)
		if err != nil {
			return nil, err
		}
	}

	var tx *dbs.Tx
	redirectsJSON, err := models.SharedHTTPWebDAO.FindWebHostRedirects(tx, req.HttpWebId)
	if err != nil {
		return nil, err
	}
	return &pb.FindHTTPWebHostRedirectsResponse{HostRedirectsJSON: redirectsJSON}, nil
}

// UpdateHTTPWebAuth 更改认证设置
func (this *HTTPWebService) UpdateHTTPWebAuth(ctx context.Context, req *pb.UpdateHTTPWebAuthRequest) (*pb.RPCSuccess, error) {
	// 校验请求
	_, userId, err := this.ValidateAdminAndUser(ctx)
	if err != nil {
		return nil, err
	}

	if userId > 0 {
		err = models.SharedHTTPWebDAO.CheckUserWeb(nil, userId, req.HttpWebId)
		if err != nil {
			return nil, err
		}
	}

	var tx *dbs.Tx
	err = models.SharedHTTPWebDAO.UpdateWebAuth(tx, req.HttpWebId, req.AuthJSON)
	if err != nil {
		return nil, err
	}
	return this.Success()
}

// UpdateHTTPWebCommon 更改通用设置
func (this *HTTPWebService) UpdateHTTPWebCommon(ctx context.Context, req *pb.UpdateHTTPWebCommonRequest) (*pb.RPCSuccess, error) {
	// 校验请求
	_, userId, err := this.ValidateAdminAndUser(ctx)
	if err != nil {
		return nil, err
	}

	var tx = this.NullTx()

	if userId > 0 {
		err = models.SharedHTTPWebDAO.CheckUserWeb(tx, userId, req.HttpWebId)
		if err != nil {
			return nil, err
		}
	}

	err = models.SharedHTTPWebDAO.UpdateWebCommon(tx, req.HttpWebId, req.MergeSlashes)
	if err != nil {
		return nil, err
	}

	return this.Success()
}

// UpdateHTTPWebRequestLimit 修改请求限制
func (this *HTTPWebService) UpdateHTTPWebRequestLimit(ctx context.Context, req *pb.UpdateHTTPWebRequestLimitRequest) (*pb.RPCSuccess, error) {
	_, err := this.ValidateAdmin(ctx)
	if err != nil {
		return nil, err
	}

	var tx = this.NullTx()

	var config = &serverconfigs.HTTPRequestLimitConfig{}
	err = json.Unmarshal(req.RequestLimitJSON, config)
	if err != nil {
		return nil, err
	}

	err = models.SharedHTTPWebDAO.UpdateWebRequestLimit(tx, req.HttpWebId, config)
	if err != nil {
		return nil, err
	}

	return this.Success()
}

// FindHTTPWebRequestLimit 查找请求限制
func (this *HTTPWebService) FindHTTPWebRequestLimit(ctx context.Context, req *pb.FindHTTPWebRequestLimitRequest) (*pb.FindHTTPWebRequestLimitResponse, error) {
	_, err := this.ValidateAdmin(ctx)
	if err != nil {
		return nil, err
	}

	var tx = this.NullTx()

	config, err := models.SharedHTTPWebDAO.FindWebRequestLimit(tx, req.HttpWebId)
	if err != nil {
		return nil, err
	}
	configJSON, err := json.Marshal(config)
	if err != nil {
		return nil, err
	}

	return &pb.FindHTTPWebRequestLimitResponse{RequestLimitJSON: configJSON}, nil
}

// UpdateHTTPWebRequestScripts 修改请求脚本
func (this *HTTPWebService) UpdateHTTPWebRequestScripts(ctx context.Context, req *pb.UpdateHTTPWebRequestScriptsRequest) (*pb.RPCSuccess, error) {
	_, err := this.ValidateAdmin(ctx)
	if err != nil {
		return nil, err
	}

	var tx = this.NullTx()
	var config = &serverconfigs.HTTPRequestScriptsConfig{}
	err = json.Unmarshal(req.RequestScriptsJSON, config)
	if err != nil {
		return nil, err
	}

	err = models.SharedHTTPWebDAO.UpdateWebRequestScripts(tx, req.HttpWebId, config)
	if err != nil {
		return nil, err
	}

	return this.Success()
}

// FindHTTPWebRequestScripts 查找请求脚本
func (this *HTTPWebService) FindHTTPWebRequestScripts(ctx context.Context, req *pb.FindHTTPWebRequestScriptsRequest) (*pb.FindHTTPWebRequestScriptsResponse, error) {
	_, err := this.ValidateAdmin(ctx)
	if err != nil {
		return nil, err
	}

	var tx = this.NullTx()
	config, err := models.SharedHTTPWebDAO.FindWebRequestScripts(tx, req.HttpWebId)
	if err != nil {
		return nil, err
	}
	configJSON, err := json.Marshal(config)
	if err != nil {
		return nil, err
	}
	return &pb.FindHTTPWebRequestScriptsResponse{
		RequestScriptsJSON: configJSON,
	}, nil
}