package supervisor

import (
	"context"
	"strconv"
	"strings"
	"time"

	"github.com/example/remote-access-platform/agents/rap-node-agent/internal/client"
	"github.com/example/remote-access-platform/agents/rap-node-agent/internal/webingress"
)

type Supervisor interface {
	Apply(ctx context.Context, desired []client.DesiredWorkload) ([]client.WorkloadStatusRequest, error)
}

type StubSupervisor struct {
	Version                    string
	WebIngressRuntimeEnabled   bool
	WebIngressManager          *webingress.Manager
	RemoteWorkspaceRealAdapter RemoteWorkspaceRealAdapterConfig
}

type RemoteWorkspaceRealAdapterConfig struct {
	EnabledRequested bool
	Command          string
	ArgsJSON         string
	WorkDir          string
}

func (s StubSupervisor) Apply(_ context.Context, desired []client.DesiredWorkload) ([]client.WorkloadStatusRequest, error) {
	statuses := make([]client.WorkloadStatusRequest, 0, len(desired))
	for _, workload := range desired {
		statuses = append(statuses, s.applyOne(workload))
	}
	return statuses, nil
}

func (s StubSupervisor) applyOne(workload client.DesiredWorkload) client.WorkloadStatusRequest {
	serviceType := strings.TrimSpace(workload.ServiceType)
	desiredState := strings.TrimSpace(strings.ToLower(workload.DesiredState))
	if desiredState == "" {
		desiredState = "disabled"
	}
	runtimeMode := strings.TrimSpace(strings.ToLower(workload.RuntimeMode))
	if runtimeMode == "" {
		runtimeMode = "native"
	}
	version := strings.TrimSpace(workload.Version)
	if version == "" {
		version = s.Version
	}
	payload := map[string]any{
		"schema_version": "rap.node_agent.workload_supervision.v1",
		"supervisor":     "node-agent-local",
		"desired_state":  desiredState,
		"service_type":   serviceType,
		"runtime_mode":   runtimeMode,
		"observed_at":    time.Now().UTC().Format(time.RFC3339Nano),
	}
	if desiredState != "enabled" {
		payload["reason"] = "desired_state_not_enabled"
		if (serviceType == "public-ingress" || serviceType == "admin-ingress") && s.WebIngressManager != nil {
			payload["listener_status"] = s.WebIngressManager.Stop(context.Background())
		}
		return client.WorkloadStatusRequest{
			ReportedState: "stopped",
			RuntimeMode:   runtimeMode,
			Version:       version,
			StatusPayload: payload,
		}
	}
	if serviceType == "core-mesh" || serviceType == "mesh-listener" {
		payload["reason"] = "builtin_node_agent_service_ready"
		payload["execution_mode"] = "builtin"
		payload["traffic"] = serviceTrafficMode(serviceType)
		return client.WorkloadStatusRequest{
			ReportedState: "running",
			RuntimeMode:   runtimeMode,
			Version:       version,
			StatusPayload: payload,
		}
	}
	if serviceType == "public-ingress" || serviceType == "admin-ingress" {
		contract := s.webIngressContract(serviceType, workload.Config)
		for key, value := range contract {
			payload[key] = value
		}
		if contract["contract_valid"] == true {
			payload["reason"] = "web_ingress_contract_ready"
			payload["execution_mode"] = "contract_probe"
			payload["traffic"] = "https_edge_to_fabric_service_channel"
			if contract["real_listener_requested"] == true && contract["real_listener_runtime_enabled"] != true {
				payload["reason"] = "web_ingress_real_listener_gate_disabled"
				payload["traffic"] = "blocked"
				return client.WorkloadStatusRequest{
					ReportedState: "degraded",
					RuntimeMode:   runtimeMode,
					Version:       version,
					StatusPayload: payload,
				}
			}
			if contract["real_listener_start_allowed"] == true && s.WebIngressManager != nil {
				listenerStatus := s.WebIngressManager.Apply(context.Background(), webIngressListenerConfig(serviceType, workload.Config))
				payload["listener_status"] = listenerStatus
				payload["ports_opened_by_runtime"] = listenerStatus.Running
				payload["ports_opened_by_stub"] = false
				if !listenerStatus.HTTPSRunning {
					payload["reason"] = "web_ingress_listener_partial"
					payload["traffic"] = "blocked"
					return client.WorkloadStatusRequest{
						ReportedState: "degraded",
						RuntimeMode:   runtimeMode,
						Version:       version,
						StatusPayload: payload,
					}
				}
			}
			return client.WorkloadStatusRequest{
				ReportedState: "running",
				RuntimeMode:   runtimeMode,
				Version:       version,
				StatusPayload: payload,
			}
		}
		payload["reason"] = "web_ingress_contract_invalid"
		payload["traffic"] = "blocked"
		return client.WorkloadStatusRequest{
			ReportedState: "degraded",
			RuntimeMode:   runtimeMode,
			Version:       version,
			StatusPayload: payload,
		}
	}
	if serviceType == "synthetic.echo" && runtimeMode == "native" {
		payload["reason"] = "internal_synthetic_echo_ready"
		payload["execution_mode"] = "builtin"
		payload["traffic"] = "test_service_only"
		return client.WorkloadStatusRequest{
			ReportedState: "running",
			RuntimeMode:   runtimeMode,
			Version:       version,
			StatusPayload: payload,
		}
	}
	if (serviceType == "vpn-exit" || serviceType == "ipv4-egress" || serviceType == "vpn-client") && runtimeMode == "native" {
		for key, value := range vpnFabricOnlyContract(serviceType, workload.Config) {
			payload[key] = value
		}
		payload["execution_mode"] = "contract_probe"
		payload["fabric_transport"] = "quic_only"
		payload["fabric_service_channel_required"] = true
		payload["backend_relay_fallback"] = false
		payload["legacy_protocol_compatibility"] = false
		payload["traffic"] = "fabric_service_channel_only"
		return client.WorkloadStatusRequest{
			ReportedState: "running",
			RuntimeMode:   runtimeMode,
			Version:       version,
			StatusPayload: payload,
		}
	}
	if serviceType == "rdp-worker" && runtimeMode == "native" && boolConfig(workload.Config, "adapter_contract_probe") {
		payload["reason"] = "remote_workspace_adapter_contract_probe_ready"
		payload["execution_mode"] = "contract_probe"
		payload["service_class"] = "remote_workspace"
		payload["fabric_service_channel_required"] = true
		payload["backend_relay_steady_state"] = false
		payload["channels"] = remoteWorkspaceAdapterChannels()
		payload["frame_batch_contract"] = remoteWorkspaceFrameBatchContract()
		payload["real_adapter_supervision"] = remoteWorkspaceRealAdapterSupervisionContract(s.RemoteWorkspaceRealAdapter)
		payload["traffic"] = "none"
		return client.WorkloadStatusRequest{
			ReportedState: "running",
			RuntimeMode:   runtimeMode,
			Version:       version,
			StatusPayload: payload,
		}
	}
	if serviceType == "rdp-worker" && runtimeMode == "native" && boolConfig(workload.Config, "real_adapter_supervision") {
		payload["reason"] = "remote_workspace_real_adapter_supervision_disabled"
		payload["execution_mode"] = "real_adapter_supervision_disabled"
		payload["service_class"] = "remote_workspace"
		payload["traffic"] = "blocked"
		payload["payload_traffic"] = "none"
		payload["real_adapter_supervision"] = remoteWorkspaceRealAdapterSupervisionContract(s.RemoteWorkspaceRealAdapter)
		return client.WorkloadStatusRequest{
			ReportedState: "degraded",
			RuntimeMode:   runtimeMode,
			Version:       version,
			StatusPayload: payload,
		}
	}
	payload["reason"] = "service_runtime_not_implemented"
	payload["traffic"] = "blocked"
	return client.WorkloadStatusRequest{
		ReportedState: "degraded",
		RuntimeMode:   runtimeMode,
		Version:       version,
		StatusPayload: payload,
	}
}

func vpnFabricOnlyContract(serviceType string, config map[string]any) map[string]any {
	role := "vpn-client"
	reason := "vpn_client_node_contract_ready"
	serviceClass := "vpn_packets"
	internetEgress := false
	if serviceType == "vpn-exit" || serviceType == "ipv4-egress" {
		role = "ipv4-egress"
		reason = "ipv4_egress_contract_ready"
		internetEgress = true
	}
	contract := map[string]any{
		"schema_version":                  "rap.vpn.fabric_node_contract.v1",
		"reason":                          reason,
		"role":                            role,
		"service_class":                   serviceClass,
		"internet_egress":                 internetEgress,
		"exit_pool_id":                    stringConfig(config, "pool_id", ""),
		"exit_region":                     stringConfig(config, "region", ""),
		"allowed_cidrs":                   stringSliceConfig(config, "allowed_cidrs"),
		"dns_servers":                     stringSliceConfig(config, "dns_servers"),
		"client_policy_source":            stringConfig(config, "client_policy_source", "fabric_access_policy"),
		"android_node_supported":          serviceType == "vpn-client",
		"ipv4_exit_supported":             internetEgress,
		"fabric_service_channel_required": true,
		"packet_runtime_status":           "fabric_channel_binding_pending_runtime",
		"service_binding":                 vpnServiceBindingContract(serviceType, config),
	}
	return contract
}

func vpnServiceBindingContract(serviceType string, config map[string]any) map[string]any {
	if serviceType == "vpn-exit" || serviceType == "ipv4-egress" {
		return map[string]any{
			"type":                         "ipv4_egress",
			"accepts_service_class":        "vpn_packets",
			"accepts_from_fabric_only":     true,
			"legacy_protocol_listener":     false,
			"exit_pool_id":                 stringConfig(config, "pool_id", ""),
			"region":                       stringConfig(config, "region", ""),
			"allowed_cidrs":                stringSliceConfig(config, "allowed_cidrs"),
			"dns_servers":                  stringSliceConfig(config, "dns_servers"),
			"internet_egress":              true,
			"requires_host_packet_runtime": true,
		}
	}
	return map[string]any{
		"type":                         "local_ipv4_ingress",
		"accepts_from":                 []string{"android_vpnservice_tun", "linux_tun", "host_service_port"},
		"service_class":                "vpn_packets",
		"exit_selection":               "pool",
		"preferred_exit_pool_id":       stringConfig(config, "exit_pool_id", ""),
		"listen_tcp_ports":             intSliceConfig(config, "listen_tcp_ports"),
		"listen_udp_ports":             intSliceConfig(config, "listen_udp_ports"),
		"tun_required":                 true,
		"route_authority":              "fabric_farm",
		"legacy_protocol_listener":     false,
		"requires_fabric_node_runtime": true,
	}
}

func webIngressListenerConfig(serviceType string, config map[string]any) webingress.ListenerConfig {
	return webingress.ListenerConfig{
		RuntimeConfig: webingress.RuntimeConfig{
			ServiceType:    serviceType,
			Scope:          stringConfig(config, "scope", ""),
			ServiceClasses: stringSliceConfig(config, "service_classes"),
			TLSMode:        stringConfig(config, "tls_mode", "terminate"),
			HTTPPort:       intConfig(config, "listen_http_port", 80),
			HTTPSPort:      intConfig(config, "listen_https_port", 443),
		},
		HTTPAddr:    stringConfig(config, "listen_http_addr", ":80"),
		HTTPSAddr:   stringConfig(config, "listen_https_addr", ":443"),
		TLSCertFile: stringConfig(config, "tls_cert_file", ""),
		TLSKeyFile:  stringConfig(config, "tls_key_file", ""),
	}
}

func (s StubSupervisor) webIngressContract(serviceType string, config map[string]any) map[string]any {
	httpPort := intConfig(config, "listen_http_port", 80)
	httpsPort := intConfig(config, "listen_https_port", 443)
	tlsMode := strings.TrimSpace(stringConfig(config, "tls_mode", "terminate"))
	serviceClasses := stringSliceConfig(config, "service_classes")
	scope := strings.TrimSpace(stringConfig(config, "scope", ""))
	realListenerRequested := boolConfig(config, "real_listener_enabled")
	allowedClasses := webIngressAllowedServiceClasses(serviceType)
	missing := []string{}
	if httpPort != 80 {
		missing = append(missing, "listen_http_port_must_be_80")
	}
	if httpsPort != 443 {
		missing = append(missing, "listen_https_port_must_be_443")
	}
	if tlsMode != "terminate" && tlsMode != "passthrough-approved-terminator" {
		missing = append(missing, "tls_mode_invalid")
	}
	if scope == "" {
		missing = append(missing, "scope_required")
	}
	if len(serviceClasses) == 0 {
		missing = append(missing, "service_classes_required")
	}
	for _, serviceClass := range serviceClasses {
		if !containsString(allowedClasses, serviceClass) {
			missing = append(missing, "service_class_not_allowed:"+serviceClass)
		}
	}
	return map[string]any{
		"schema_version":                  "rap.web_ingress.workload_contract.v1",
		"contract_valid":                  len(missing) == 0,
		"missing_checks":                  missing,
		"service_edge_only":               true,
		"authority_service":               false,
		"fabric_transport":                "quic_only",
		"http_between_fabric_nodes":       false,
		"listen_http_port":                httpPort,
		"listen_https_port":               httpsPort,
		"tls_mode":                        tlsMode,
		"scope":                           scope,
		"service_classes":                 serviceClasses,
		"allowed_service_classes":         allowedClasses,
		"fabric_service_channel_required": true,
		"runtime_roles_required":          webIngressRuntimeRoles(serviceClasses),
		"payload_forwarding":              "contract_only",
		"real_listener_requested":         realListenerRequested,
		"real_listener_runtime_enabled":   s.WebIngressRuntimeEnabled,
		"real_listener_start_allowed":     len(missing) == 0 && realListenerRequested && s.WebIngressRuntimeEnabled,
		"runtime_handler_ready":           len(missing) == 0,
		"runtime_handler_contract":        "rap.web_ingress.runtime_response.v1",
		"runtime_handler_payload_status":  "fabric_service_channel_binding_not_implemented",
		"fabric_envelope_schema":          webingress.FabricServiceChannelEnvelopeSchema,
		"fabric_runtime_response_schema":  "rap.web_ingress.fabric_runtime_response.v1",
		"fabric_envelope_signer":          "ed25519_available",
		"fabric_envelope_sender":          "mesh_request_response_runtime_adapter_available",
		"fabric_quic_stream":              "web_ingress_forward",
		"fabric_quic_stream_id":           2,
		"fabric_runtime_receiver":         "signed_envelope_receiver_available",
		"admin_runtime_dispatcher":        "read_only_manifest_and_health_available",
		"control_api_binding":             "read_only_projection_skeleton_available",
		"runtime_receiver_policy":         "trusted_keys_and_service_class_allow_list",
		"ports_opened_by_stub":            false,
	}
}

func webIngressAllowedServiceClasses(serviceType string) []string {
	if serviceType == "admin-ingress" {
		return []string{"platform_admin", "cluster_admin"}
	}
	return []string{"organization_portal", "user_portal"}
}

func webIngressRuntimeRoles(serviceClasses []string) []string {
	roles := []string{}
	for _, serviceClass := range serviceClasses {
		switch serviceClass {
		case "platform_admin":
			roles = append(roles, "global-admin-runtime", "identity-runtime", "policy-authority", "audit-sink")
		case "cluster_admin":
			roles = append(roles, "cluster-admin-runtime", "identity-runtime", "policy-authority", "audit-sink")
		case "organization_portal":
			roles = append(roles, "organization-portal-runtime", "identity-runtime", "policy-authority", "audit-sink")
		case "user_portal":
			roles = append(roles, "user-portal-runtime", "identity-runtime", "policy-authority", "audit-sink")
		}
	}
	return dedupeStrings(roles)
}

func boolConfig(values map[string]any, key string) bool {
	if values == nil {
		return false
	}
	value, ok := values[key]
	if !ok {
		return false
	}
	switch typed := value.(type) {
	case bool:
		return typed
	case string:
		return strings.EqualFold(strings.TrimSpace(typed), "true")
	default:
		return false
	}
}

func intConfig(values map[string]any, key string, fallback int) int {
	if values == nil {
		return fallback
	}
	switch value := values[key].(type) {
	case int:
		return value
	case int64:
		return int(value)
	case float64:
		return int(value)
	case string:
		parsed, err := strconv.Atoi(strings.TrimSpace(value))
		if err != nil {
			return fallback
		}
		return parsed
	default:
		return fallback
	}
}

func stringConfig(values map[string]any, key string, fallback string) string {
	if values == nil {
		return fallback
	}
	value, ok := values[key]
	if !ok {
		return fallback
	}
	if text, ok := value.(string); ok {
		return text
	}
	return fallback
}

func stringSliceConfig(values map[string]any, key string) []string {
	if values == nil {
		return nil
	}
	value, ok := values[key]
	if !ok {
		return nil
	}
	switch typed := value.(type) {
	case []string:
		return dedupeStrings(typed)
	case []any:
		out := []string{}
		for _, item := range typed {
			if text, ok := item.(string); ok {
				out = append(out, strings.TrimSpace(text))
			}
		}
		return dedupeStrings(out)
	case string:
		parts := strings.Split(typed, ",")
		for index := range parts {
			parts[index] = strings.TrimSpace(parts[index])
		}
		return dedupeStrings(parts)
	default:
		return nil
	}
}

func intSliceConfig(values map[string]any, key string) []int {
	if values == nil {
		return nil
	}
	value, ok := values[key]
	if !ok {
		return nil
	}
	add := func(out []int, item any) []int {
		switch typed := item.(type) {
		case int:
			if typed > 0 {
				out = append(out, typed)
			}
		case int64:
			if typed > 0 {
				out = append(out, int(typed))
			}
		case float64:
			if typed > 0 {
				out = append(out, int(typed))
			}
		case string:
			if parsed := intConfig(map[string]any{"value": typed}, "value", 0); parsed > 0 {
				out = append(out, parsed)
			}
		}
		return out
	}
	out := []int{}
	switch typed := value.(type) {
	case []int:
		out = append(out, typed...)
	case []any:
		for _, item := range typed {
			out = add(out, item)
		}
	case string:
		for _, part := range strings.Split(typed, ",") {
			out = add(out, strings.TrimSpace(part))
		}
	default:
		out = add(out, typed)
	}
	seen := map[int]struct{}{}
	cleaned := make([]int, 0, len(out))
	for _, port := range out {
		if port <= 0 || port > 65535 {
			continue
		}
		if _, ok := seen[port]; ok {
			continue
		}
		seen[port] = struct{}{}
		cleaned = append(cleaned, port)
	}
	return cleaned
}

func dedupeStrings(values []string) []string {
	out := []string{}
	seen := map[string]struct{}{}
	for _, value := range values {
		normalized := strings.TrimSpace(value)
		if normalized == "" {
			continue
		}
		if _, ok := seen[normalized]; ok {
			continue
		}
		seen[normalized] = struct{}{}
		out = append(out, normalized)
	}
	return out
}

func containsString(values []string, needle string) bool {
	for _, value := range values {
		if value == needle {
			return true
		}
	}
	return false
}

func remoteWorkspaceAdapterChannels() []map[string]any {
	return []map[string]any{
		{"name": "input", "direction": "client_to_adapter", "reliability": "reliable_ordered", "priority": "critical", "droppable": true, "may_block_input": false},
		{"name": "control", "direction": "bidirectional", "reliability": "reliable_ordered", "priority": "high", "droppable": false, "may_block_input": false},
		{"name": "display", "direction": "adapter_to_client", "reliability": "droppable_latest", "priority": "high", "droppable": true, "may_block_input": false},
		{"name": "cursor", "direction": "adapter_to_client", "reliability": "droppable_latest", "priority": "high", "droppable": true, "may_block_input": false},
		{"name": "clipboard", "direction": "bidirectional", "reliability": "reliable_ordered", "priority": "medium", "droppable": false, "may_block_input": false},
		{"name": "file_transfer", "direction": "bidirectional", "reliability": "reliable_chunked", "priority": "medium", "droppable": false, "may_block_input": false},
		{"name": "audio", "direction": "adapter_to_client", "reliability": "adaptive_droppable", "priority": "medium", "droppable": true, "may_block_input": false},
		{"name": "device", "direction": "bidirectional", "reliability": "reliable_ordered", "priority": "medium", "droppable": false, "may_block_input": false},
		{"name": "telemetry", "direction": "adapter_to_client", "reliability": "sampled_droppable", "priority": "low", "droppable": true, "may_block_input": false},
	}
}

func remoteWorkspaceFrameBatchContract() map[string]any {
	return map[string]any{
		"schema_version":       "rap.remote_workspace_frame_batch.v1",
		"adapter_contract_id":  "rap.rdp_worker.remote_workspace_adapter_contract_probe.v1",
		"probe_only":           true,
		"payload_forwarding":   "not_implemented",
		"service_class":        "remote_workspace",
		"allowed_flow_classes": []string{"control", "interactive", "reliable", "bulk", "droppable"},
		"allowed_payload_encodings": []string{
			"none",
			"base64",
		},
		"max_probe_frames": 32,
		"channels":         remoteWorkspaceAdapterChannels(),
	}
}

func remoteWorkspaceRealAdapterSupervisionContract(configs ...RemoteWorkspaceRealAdapterConfig) map[string]any {
	var config RemoteWorkspaceRealAdapterConfig
	if len(configs) > 0 {
		config = configs[0]
	}
	return map[string]any{
		"schema_version":                   "rap.remote_workspace_real_adapter_supervision.v1",
		"enabled":                          false,
		"activation_state":                 "disabled_until_real_runtime_stage",
		"execution_mode":                   "real_adapter_supervision_disabled",
		"payload_traffic":                  "none",
		"process_model":                    "external_rdp_worker_process",
		"config_projection":                remoteWorkspaceRealAdapterConfigProjection(config),
		"activation_decision":              remoteWorkspaceRealAdapterActivationDecision(config),
		"process_supervisor_preconditions": remoteWorkspaceRealAdapterProcessSupervisorPreconditions(config),
		"process_health_probe":             remoteWorkspaceRealAdapterProcessHealthProbe(),
		"features": map[string]any{
			"config_projection":                 true,
			"activation_decision":               true,
			"missing_gates":                     true,
			"process_health_probe":              true,
			"process_health_probe_disabled":     true,
			"process_supervisor_preconditions":  true,
			"process_supervisor_start_disabled": true,
			"raw_values_redacted":               true,
		},
		"config_env": []string{
			"RAP_REMOTE_WORKSPACE_REAL_ADAPTER_ENABLED",
			"RAP_REMOTE_WORKSPACE_REAL_ADAPTER_COMMAND",
			"RAP_REMOTE_WORKSPACE_REAL_ADAPTER_ARGS_JSON",
			"RAP_REMOTE_WORKSPACE_REAL_ADAPTER_WORKDIR",
		},
		"status_contract": []string{
			"schema_version",
			"enabled",
			"activation_state",
			"execution_mode",
			"payload_traffic",
			"process_model",
			"config_projection",
			"activation_decision",
			"process_supervisor_preconditions",
			"process_health_probe",
			"features",
			"config_env",
			"status_contract",
		},
		"guardrails": []string{
			"contract_probe_remains_default",
			"no_payload_forwarding_until_real_runtime_stage",
			"backend_relay_not_steady_state",
			"fabric_service_channel_required",
		},
	}
}

func remoteWorkspaceRealAdapterProcessHealthProbe() map[string]any {
	return map[string]any{
		"schema_version":       "rap.remote_workspace_real_adapter_process_health_probe.v1",
		"health_probe_enabled": false,
		"reason":               "disabled_until_real_runtime_stage",
		"payload_traffic":      "none",
		"probe_model":          "external_process_health",
		"required_signals": []string{
			"process_started",
			"process_exit_status",
			"adapter_control_channel_ready",
			"fabric_service_channel_bound",
			"payload_forwarding_contract_ready",
		},
		"missing_signals": []string{
			"process_started",
			"process_exit_status",
			"adapter_control_channel_ready",
			"fabric_service_channel_bound",
			"payload_forwarding_contract_ready",
		},
	}
}

func remoteWorkspaceRealAdapterProcessSupervisorPreconditions(config RemoteWorkspaceRealAdapterConfig) map[string]any {
	return map[string]any{
		"schema_version":         "rap.remote_workspace_real_adapter_process_supervisor_preconditions.v1",
		"process_start_allowed":  false,
		"reason":                 "disabled_until_real_runtime_stage",
		"command_config_present": strings.TrimSpace(config.Command) != "",
		"workdir_config_present": strings.TrimSpace(config.WorkDir) != "",
		"args_config_present":    strings.TrimSpace(config.ArgsJSON) != "",
		"required_checks": []string{
			"real_runtime_stage_enabled",
			"command_config_validated",
			"workdir_config_validated",
			"process_identity_policy_bound",
			"fabric_service_channel_runtime_ready",
			"payload_forwarding_contract_enabled",
			"health_probe_contract_enabled",
		},
		"missing_checks": []string{
			"real_runtime_stage_enabled",
			"command_config_validated",
			"workdir_config_validated",
			"process_identity_policy_bound",
			"fabric_service_channel_runtime_ready",
			"payload_forwarding_contract_enabled",
			"health_probe_contract_enabled",
		},
	}
}

func remoteWorkspaceRealAdapterActivationDecision(config RemoteWorkspaceRealAdapterConfig) map[string]any {
	return map[string]any{
		"schema_version":     "rap.remote_workspace_real_adapter_activation_decision.v1",
		"decision":           "blocked",
		"reason":             "real_runtime_stage_not_enabled",
		"enabled_requested":  config.EnabledRequested,
		"activation_allowed": false,
		"payload_traffic":    "none",
		"required_gates": []string{
			"real_runtime_stage_enabled",
			"fabric_service_channel_runtime_ready",
			"adapter_process_supervisor_enabled",
			"payload_forwarding_contract_enabled",
		},
		"missing_gates": []string{
			"real_runtime_stage_enabled",
			"fabric_service_channel_runtime_ready",
			"adapter_process_supervisor_enabled",
			"payload_forwarding_contract_enabled",
		},
	}
}

func remoteWorkspaceRealAdapterConfigProjection(config RemoteWorkspaceRealAdapterConfig) map[string]any {
	return map[string]any{
		"schema_version":      "rap.remote_workspace_real_adapter_config_projection.v1",
		"enabled_requested":   config.EnabledRequested,
		"activation_allowed":  false,
		"command_present":     strings.TrimSpace(config.Command) != "",
		"args_json_present":   strings.TrimSpace(config.ArgsJSON) != "",
		"args_json_shape":     remoteWorkspaceArgsJSONShape(config.ArgsJSON),
		"workdir_present":     strings.TrimSpace(config.WorkDir) != "",
		"raw_values_redacted": true,
	}
}

func remoteWorkspaceArgsJSONShape(value string) string {
	trimmed := strings.TrimSpace(value)
	if trimmed == "" {
		return "absent"
	}
	switch {
	case strings.HasPrefix(trimmed, "["):
		return "json_array"
	case strings.HasPrefix(trimmed, "{"):
		return "json_object"
	default:
		return "opaque"
	}
}

func serviceTrafficMode(serviceType string) string {
	switch serviceType {
	case "core-mesh":
		return "fabric_control"
	case "mesh-listener":
		return "entry_listener"
	default:
		return "unknown"
	}
}