package server

import (
	"cfTest/cloudflareApi/zone"
	"errors"
	"github.com/cloudflare/cloudflare-go"
	"github.com/samber/lo"
	"log"
)

func Go2ProtoZone(goZone cloudflare.Zone) *zone.ZoneCloudflareEntity {
	return &zone.ZoneCloudflareEntity{
		Id:   goZone.ID,
		Name: goZone.Name,
		Plan: &zone.ZoneCloudflareEntity_Plan{
			Id:    goZone.Plan.ID,
			Name:  goZone.Plan.Name,
			Price: int64(goZone.Plan.Price),
		},
		PlanPending: &zone.ZoneCloudflareEntity_Plan{
			Id:    goZone.PlanPending.ID,
			Name:  goZone.PlanPending.Name,
			Price: int64(goZone.PlanPending.Price),
		},
		Status:          goZone.Status,
		Paused:          goZone.Paused,
		Type:            goZone.Type,
		VerificationKey: goZone.VerificationKey,
	}
}

func Proto2GoRulesetRuleByPhase(rules *zone.Rule, phase zone.Phase) (*cloudflare.RulesetRule, error) {
	var (
		Expression = rules.GetExpression()
		TRUE       = true
		//ttl        = uint(*rules.Ttl)
		//origin     *cloudflare.RulesetRuleActionParametersOrigin
		//query      cloudflare.RulesetRuleActionParametersCustomKeyQuery
		Headers map[string]cloudflare.RulesetRuleActionParametersHTTPHeader
	)
	switch phase {
	case zone.Phase_http_request_transform:
		var path *cloudflare.RulesetRuleActionParametersURIPath
		if rules.OriginPath == nil {
			return nil, nil
		}

		path = &cloudflare.RulesetRuleActionParametersURIPath{
			//Value:      rules.GetOriginPath(),
			Expression: "concat(\"" + rules.GetOriginPath() + "\",http.request.uri.path)",
		}
		return &cloudflare.RulesetRule{
			Expression: Expression,
			Enabled:    &TRUE,
			Action:     "rewrite",
			ActionParameters: &cloudflare.RulesetRuleActionParameters{
				URI: &cloudflare.RulesetRuleActionParametersURI{
					Path: path,
				},
			},
		}, nil
	case zone.Phase_http_request_origin:
		var origin *cloudflare.RulesetRuleActionParametersOrigin
		port := uint16(rules.GetOriginProtocol())
		if port == 0 && rules.GetOriginHost() == "" {
			return nil, nil
		}
		if port != 0 {
			origin = &cloudflare.RulesetRuleActionParametersOrigin{
				Port: port,
			}
		}
		return &cloudflare.RulesetRule{
			Expression: Expression,
			Enabled:    &TRUE,
			Action:     "route",
			ActionParameters: &cloudflare.RulesetRuleActionParameters{
				Origin:     origin,
				HostHeader: rules.GetOriginHost(),
			},
		}, nil
	case zone.Phase_http_request_cache_settings:
		var ttl = uint(*rules.Ttl)
		var query cloudflare.RulesetRuleActionParametersCustomKeyQuery
		switch *rules.QueryArgsType {
		case "Exclude":
			query = cloudflare.RulesetRuleActionParametersCustomKeyQuery{
				Include: nil,
				Exclude: &cloudflare.RulesetRuleActionParametersCustomKeyList{
					List: rules.QueryArgs,
					All:  false,
				},
			}
		case "ExcludeAll":
			query = cloudflare.RulesetRuleActionParametersCustomKeyQuery{
				Include: nil,
				Exclude: &cloudflare.RulesetRuleActionParametersCustomKeyList{
					List: nil,
					All:  true,
				},
			}
		case "Include":
			query = cloudflare.RulesetRuleActionParametersCustomKeyQuery{
				Include: &cloudflare.RulesetRuleActionParametersCustomKeyList{
					List: rules.QueryArgs,
					All:  false,
				},
				Exclude: nil,
			}
		case "IncludeALL":
			query = cloudflare.RulesetRuleActionParametersCustomKeyQuery{
				Include: &cloudflare.RulesetRuleActionParametersCustomKeyList{
					List: nil,
					All:  true,
				},
				Exclude: nil,
			}
		}
		return &cloudflare.RulesetRule{
			Expression: Expression,
			Enabled:    &TRUE,
			Action:     "set_cache_settings",
			ActionParameters: &cloudflare.RulesetRuleActionParameters{
				Cache: &TRUE,
				CacheKey: &cloudflare.RulesetRuleActionParametersCacheKey{
					CustomKey: &cloudflare.RulesetRuleActionParametersCustomKey{
						Query: &query,
					},
				},
				EdgeTTL: &cloudflare.RulesetRuleActionParametersEdgeTTL{
					Mode:    "override_origin",
					Default: &ttl,
				},
			},
		}, nil
	case zone.Phase_http_request_late_transform:
		if len(rules.GetRequestHeader()) == 0 {
			return nil, nil
		}
		Headers = make(map[string]cloudflare.RulesetRuleActionParametersHTTPHeader)
		for key, value := range rules.GetRequestHeader() {
			Headers[key] = cloudflare.RulesetRuleActionParametersHTTPHeader{
				Operation: "set",
				Value:     value,
			}
		}

		actionParameters := &cloudflare.RulesetRuleActionParameters{
			Headers: Headers,
		}

		return &cloudflare.RulesetRule{
			Expression:       Expression,
			Enabled:          &TRUE,
			Action:           "rewrite",
			ActionParameters: actionParameters,
		}, nil
	case zone.Phase_http_response_headers_transform:
		if len(rules.GetResponseHeader()) == 0 {
			return nil, nil
		}
		Headers = make(map[string]cloudflare.RulesetRuleActionParametersHTTPHeader)
		for key, value := range rules.GetResponseHeader() {
			Headers[key] = cloudflare.RulesetRuleActionParametersHTTPHeader{
				Operation: "set",
				Value:     value,
			}
		}

		actionParameters := &cloudflare.RulesetRuleActionParameters{
			Headers: Headers,
		}

		return &cloudflare.RulesetRule{
			Expression:       Expression,
			Enabled:          &TRUE,
			Action:           "rewrite",
			ActionParameters: actionParameters,
		}, nil
	case zone.Phase_http_config_settings:
		var value string
		if rules.OriginProtocol != nil {
			if rules.GetOriginProtocol() == 80 {
				value = "flexible"
			} else {
				value = "full"
			}
		}
		ssl, _ := cloudflare.SSLFromString(value)
		return &cloudflare.RulesetRule{
			Expression: Expression,
			Enabled:    &TRUE,
			Action:     "set_config",
			ActionParameters: &cloudflare.RulesetRuleActionParameters{
				SSL: ssl,
			},
		}, nil
	default:
		return nil, errors.New("未定义规则阶段")
	}
}

func Go2ProtoRuleRuleByPhase(rule *cloudflare.RulesetRule, phase string) (*zone.Rule, error) {
	switch phase {
	case "http_request_transform":
		exp := rule.ActionParameters.URI.Path.Expression
		u := exp[8 : len(exp)-24]
		return &zone.Rule{
			Expression:     rule.Expression,
			OriginPath:     &u,
			RequestHeader:  nil,
			ResponseHeader: nil,
		}, nil
	case "http_request_late_transform":
		Headers := make(map[string]string)
		for key, val := range rule.ActionParameters.Headers {
			Headers[key] = val.Value
		}
		return &zone.Rule{
			Expression:     rule.Expression,
			OriginPath:     nil,
			RequestHeader:  Headers,
			ResponseHeader: nil,
		}, nil
	case "http_response_headers_transform":
		Headers := make(map[string]string)
		for key, val := range rule.ActionParameters.Headers {
			Headers[key] = val.Value
		}
		return &zone.Rule{
			Expression:     rule.Expression,
			OriginPath:     nil,
			RequestHeader:  Headers,
			ResponseHeader: nil,
		}, nil
	//case "http_request_cache_settings":
	//	var ttl = uint32(*rule.ActionParameters.EdgeTTL.Default)
	//	queryArgsType :=rule.ActionParameters.
	//	return &zone.Rule{
	//		Expression: rule.Expression,
	//		Ttl:        &ttl,
	//		QueryArgsType:
	//	}, nil
	default:
		return nil, errors.New("未定义规则阶段")
	}
}

func Proto2GoPageRule(rule *zone.PageRule) (*cloudflare.PageRule, error) {
	var (
		expression = rule.Expression
		action     []cloudflare.PageRuleAction
	)
	//TTL设置
	if rule.Ttl == nil {
		//缓存级别
		action = append(action, cloudflare.PageRuleAction{
			ID:    "cache_level",
			Value: "bypass",
		})
	} else {
		//缓存级别
		action = append(action, cloudflare.PageRuleAction{
			ID:    "cache_level",
			Value: "cache_everything",
		})
		action = append(action, cloudflare.PageRuleAction{
			ID:    "edge_cache_ttl",
			Value: rule.Ttl,
		})
	}

	//缓存键设置
	if rule.QueryArgsType != nil {
		var queryString PageRuleActionCacheKeyFieldsQueryString
		var nilStrings = make([]string, 0)
		switch *rule.QueryArgsType {
		case "Exclude":
			queryString = PageRuleActionCacheKeyFieldsQueryString{
				Exclude: rule.QueryArgs,
				Include: nilStrings,
			}
		case "ExcludeAll":
			queryString = PageRuleActionCacheKeyFieldsQueryString{
				Exclude: "*",
				Include: nilStrings,
			}
		case "Include":
			queryString = PageRuleActionCacheKeyFieldsQueryString{
				Exclude: nilStrings,
				Include: rule.QueryArgs,
			}
		case "IncludeAll":
			queryString = PageRuleActionCacheKeyFieldsQueryString{
				Exclude: nilStrings,
				Include: "*",
			}
		}
		action = append(action, cloudflare.PageRuleAction{
			ID: "cache_key_fields",
			Value: PageRuleActionCacheKeyFields{
				QueryString: queryString,
			},
		})
	}

	//Host设置
	if rule.OriginHost != nil {
		action = append(action, cloudflare.PageRuleAction{
			ID:    "host_header_override",
			Value: rule.OriginHost,
		})
	}

	//协议跟随设置
	if rule.OriginProtocol != nil {
		var value string
		if *rule.OriginProtocol == 80 {
			value = "flexible"
		} else {
			value = "full"
		}
		action = append(action, cloudflare.PageRuleAction{
			ID:    "ssl",
			Value: value,
		})
	}

	return &cloudflare.PageRule{
		Targets: []cloudflare.PageRuleTarget{
			{
				Target: "url",
				Constraint: struct {
					Operator string `json:"operator"`
					Value    string `json:"value"`
				}{
					Operator: "matches",
					Value:    expression,
				},
			},
		},
		ID:      lo.FromPtr(rule.Id),
		Actions: action,
		//Priority: int(rule.Priority),
		Status: "active",
	}, nil
}

var stringToPhaseMap = map[string]zone.Phase{
	"http_request_sanitize":       zone.Phase_http_request_sanitize,
	"http_request_transform":      zone.Phase_http_request_transform,
	"http_request_origin":         zone.Phase_http_request_origin,
	"http_request_cache_settings": zone.Phase_http_request_cache_settings,
	"http_config_settings":        zone.Phase_http_config_settings,
	//zone.Phase_http_request_dynamic_redirect:   "http_request_dynamic_redirect",
	//zone.Phase_ddos_l7:                         "ddos_l7",
	//zone.Phase_http_request_firewall_custom:    "http_request_firewall_custom",
	//zone.Phase_http_ratelimit:                  "http_ratelimit",
	//zone.Phase_http_request_firewall_managed:   "http_request_firewall_managed",
	//zone.Phase_http_request_sbfm:               "http_request_sbfm",
	//zone.Phase_http_request_redirect:           "http_request_redirect",
	"http_request_late_transform": zone.Phase_http_request_late_transform,
	//zone.Phase_http_custom_errors:              "http_custom_errors",
	"http_response_headers_transform": zone.Phase_http_response_headers_transform,
	//zone.Phase_http_response_firewall_managed:  "http_response_firewall_managed",
	//zone.Phase_http_log_custom_fields:          "http_log_custom_fields",
}

func Go2ProtoRuleSet(ruleSetFromCloudflare *cloudflare.Ruleset) *zone.RuleSet {
	ruleSet := &zone.RuleSet{
		Id:    &ruleSetFromCloudflare.ID,
		Name:  ruleSetFromCloudflare.Name,
		Kind:  ruleSetFromCloudflare.Kind,
		Phase: stringToPhaseMap[ruleSetFromCloudflare.Phase],
	}
	return ruleSet
}

func Go2ProtoPageRule(rule *cloudflare.PageRule) *zone.PageRule {
	var (
		ExcludeAll        = "ExcludeAll"
		Exclude           = "Exclude"
		IncludeAll        = "IncludeAll"
		Include           = "Include"
		Ttl80      uint32 = 80
	)

	pageRule := &zone.PageRule{
		Id:             &rule.ID,
		Expression:     rule.Targets[0].Constraint.Value,
		Ttl:            nil,
		QueryArgsType:  nil,
		QueryArgs:      nil,
		OriginHost:     nil,
		OriginProtocol: nil,
		//Priority:       int64(rule.Priority),
	}
	for _, action := range rule.Actions {
		switch action.ID {
		case "edge_cache_ttl":
			pageRule.Ttl = lo.ToPtr(uint32(action.Value.(float64)))
		case "cache_key_fields":
			//pageRuleActionCacheKeyFields := action.Value.(PageRuleActionCacheKeyFields)
			valueMap := action.Value.(map[string]interface{})
			queryString := valueMap["query_string"].(map[string]interface{})
			////switch queryString.(type) {
			////case string:
			////	if queryString =="*" {
			////		pageRule.QueryArgsType = &ExcludeAll
			////	}
			////case []string:
			////
			////
			////}
			//var s = queryString.(string) //if queryString.(type)
			//s.
			//if pageRuleActionCacheKeyFields.QueryString.Exclude == "*" {
			//	pageRule.QueryArgsType = &ExcludeAll
			//} else if pageRuleActionCacheKeyFields.QueryString.Include == "*" {
			//	pageRule.QueryArgsType = &IncludeAll
			//} else {
			//	includeStrings := pageRuleActionCacheKeyFields.QueryString.Include.([]string)
			//	excludeStrings := pageRuleActionCacheKeyFields.QueryString.Exclude.([]string)
			//	if len(includeStrings) > 0 && len(excludeStrings) == 0 {
			//		pageRule.QueryArgsType = &Include
			//		pageRule.QueryArgs = includeStrings
			//	}
			//	if len(includeStrings) == 0 && len(excludeStrings) > 0 {
			//		pageRule.QueryArgsType = &Exclude
			//		pageRule.QueryArgs = excludeStrings
			//	}
			//	if len(includeStrings) == 0 && len(excludeStrings) == 0 {
			//		pageRule.QueryArgsType = &Include
			//		pageRule.QueryArgs = includeStrings
			//	}
			//	if len(includeStrings) > 0 && len(excludeStrings) > 0 {
			//		log.Print(*rule)
			//	}
			//}
			if queryString["exclude"] == "*" {
				pageRule.QueryArgsType = &ExcludeAll
			} else if queryString["include"] == "*" {
				pageRule.QueryArgsType = &IncludeAll
			} else {
				includes := queryString["include"].([]interface{})
				excludes := queryString["exclude"].([]interface{})
				if len(includes) > 0 && len(excludes) == 0 {
					pageRule.QueryArgsType = &Include
					includeStrings := make([]string, len(includes))
					for i, includeString := range includes {
						includeStrings[i] = includeString.(string)
					}
					pageRule.QueryArgs = includeStrings
				}
				if len(includes) == 0 && len(excludes) > 0 {
					pageRule.QueryArgsType = &Exclude
					excludeStrings := make([]string, len(excludes))
					for i, includeString := range excludes {
						excludeStrings[i] = includeString.(string)
					}
					pageRule.QueryArgs = excludeStrings
				}
				if len(includes) == 0 && len(excludes) == 0 {
					pageRule.QueryArgsType = &Include
					includeStrings := make([]string, len(includes))
					for i, includeString := range includes {
						includeStrings[i] = includeString.(string)
					}
					pageRule.QueryArgs = includeStrings
				}
				if len(includes) > 0 && len(excludes) > 0 {
					log.Print(*rule)
				}
			}
		case "host_header_override":
			pageRule.OriginHost = lo.ToPtr(action.Value.(string))
		case "ssl":
			s := action.Value.(string)
			if s == "flexible" {
				pageRule.Ttl = &Ttl80
			}
		}
	}
	return pageRule
}
func Proto2GoArgoSetting(setting *zone.ArgoSetting) string {
	if setting.Enabled {
		return "on"
	} else {
		return "off"
	}
}
func Go2ProtoArgoSetting(setting string) *zone.ArgoSetting {
	if setting == "on" {
		return &zone.ArgoSetting{Enabled: true}
	} else {
		return &zone.ArgoSetting{Enabled: false}
	}
}