package config

import "strings"

// applyDefaults runs one orchestration or CLI step.
// Signature: (c *Config) applyDefaults().
// Why: keeps behavior explicit so startup/shutdown workflows remain maintainable as services evolve.
func (c *Config) applyDefaults() {
	if c.ExpectedFluxBranch == "" {
		c.ExpectedFluxBranch = "main"
	}
	if c.IACRepoPath == "" {
		c.IACRepoPath = "/opt/titan-iac"
	}
	if c.ExpectedFluxSource == "" {
		c.ExpectedFluxSource = "ssh://git@scm.bstein.dev:2242/bstein/titan-iac.git"
	}
	if c.Startup.APIWaitSeconds <= 0 {
		c.Startup.APIWaitSeconds = 1200
	}
	if c.Startup.APIPollSeconds <= 0 {
		c.Startup.APIPollSeconds = 2
	}
	if c.Startup.ShutdownCooldownSeconds <= 0 {
		c.Startup.ShutdownCooldownSeconds = 45
	}
	if c.Startup.MinimumBatteryPercent <= 0 {
		c.Startup.MinimumBatteryPercent = 20
	}
	if c.Startup.NodeInventoryReachWaitSeconds <= 0 {
		c.Startup.NodeInventoryReachWaitSeconds = 300
	}
	if c.Startup.NodeInventoryReachPollSeconds <= 0 {
		c.Startup.NodeInventoryReachPollSeconds = 5
	}
	if c.Startup.RequiredNodeLabels == nil {
		c.Startup.RequiredNodeLabels = map[string]map[string]string{
			"titan-09": {
				"ananke.bstein.dev/harbor-bootstrap": "true",
			},
		}
	}
	if c.Startup.TimeSyncWaitSeconds <= 0 {
		c.Startup.TimeSyncWaitSeconds = 240
	}
	if c.Startup.TimeSyncPollSeconds <= 0 {
		c.Startup.TimeSyncPollSeconds = 5
	}
	if c.Startup.TimeSyncMode == "" {
		c.Startup.TimeSyncMode = "quorum"
	}
	if c.Startup.TimeSyncQuorum <= 0 {
		c.Startup.TimeSyncQuorum = 2
	}
	if c.Startup.TimeSyncQuorum > len(c.ControlPlanes) && len(c.ControlPlanes) > 0 {
		c.Startup.TimeSyncQuorum = len(c.ControlPlanes)
	}
	if c.Startup.EtcdRestoreControlPlane == "" && len(c.ControlPlanes) > 0 {
		c.Startup.EtcdRestoreControlPlane = c.ControlPlanes[0]
	}
	if c.Startup.StorageReadyWaitSeconds <= 0 {
		c.Startup.StorageReadyWaitSeconds = 420
	}
	if c.Startup.StorageReadyPollSeconds <= 0 {
		c.Startup.StorageReadyPollSeconds = 5
	}
	if c.Startup.StorageMinReadyNodes <= 0 {
		c.Startup.StorageMinReadyNodes = 2
	}
	if len(c.Startup.StorageCriticalPVCs) == 0 {
		c.Startup.StorageCriticalPVCs = []string{
			"vault/data-vault-0",
			"postgres/postgres-data-postgres-0",
			"gitea/gitea-data",
			"sso/keycloak-data",
		}
	}
	if c.Startup.PostStartProbeWaitSeconds <= 0 {
		c.Startup.PostStartProbeWaitSeconds = 240
	}
	if c.Startup.PostStartProbePollSeconds <= 0 {
		c.Startup.PostStartProbePollSeconds = 5
	}
	if len(c.Startup.PostStartProbes) == 0 {
		c.Startup.PostStartProbes = []string{
			"https://sso.bstein.dev/realms/atlas/.well-known/openid-configuration",
			"https://scm.bstein.dev/api/healthz",
			"https://metrics.bstein.dev/api/health",
		}
	}
	if c.Startup.ServiceChecklistWaitSeconds <= 0 {
		c.Startup.ServiceChecklistWaitSeconds = 420
	}
	if c.Startup.ServiceChecklistPollSeconds <= 0 {
		c.Startup.ServiceChecklistPollSeconds = 5
	}
	if c.Startup.ServiceChecklistStabilitySec < 0 {
		c.Startup.ServiceChecklistStabilitySec = 0
	}
	if strings.TrimSpace(c.Startup.ServiceChecklistAuth.Mode) == "" {
		c.Startup.ServiceChecklistAuth.Mode = "keycloak_robotuser"
	}
	if strings.TrimSpace(c.Startup.ServiceChecklistAuth.KeycloakBaseURL) == "" {
		c.Startup.ServiceChecklistAuth.KeycloakBaseURL = "https://sso.bstein.dev"
	}
	if strings.TrimSpace(c.Startup.ServiceChecklistAuth.Realm) == "" {
		c.Startup.ServiceChecklistAuth.Realm = "atlas"
	}
	if strings.TrimSpace(c.Startup.ServiceChecklistAuth.RobotUsername) == "" {
		c.Startup.ServiceChecklistAuth.RobotUsername = "robotuser"
	}
	if strings.TrimSpace(c.Startup.ServiceChecklistAuth.AdminSecretNamespace) == "" {
		c.Startup.ServiceChecklistAuth.AdminSecretNamespace = "sso"
	}
	if strings.TrimSpace(c.Startup.ServiceChecklistAuth.AdminSecretName) == "" {
		c.Startup.ServiceChecklistAuth.AdminSecretName = "keycloak-admin"
	}
	if strings.TrimSpace(c.Startup.ServiceChecklistAuth.AdminSecretUsernameKey) == "" {
		c.Startup.ServiceChecklistAuth.AdminSecretUsernameKey = "username"
	}
	if strings.TrimSpace(c.Startup.ServiceChecklistAuth.AdminSecretPasswordKey) == "" {
		c.Startup.ServiceChecklistAuth.AdminSecretPasswordKey = "password"
	}
	c.Startup.ServiceChecklist = mergeServiceChecklistDefaults(c.Startup.ServiceChecklist, defaultServiceChecklist())
	for i := range c.Startup.ServiceChecklist {
		if c.Startup.ServiceChecklist[i].TimeoutSeconds <= 0 {
			c.Startup.ServiceChecklist[i].TimeoutSeconds = 12
		}
	}
	if c.Startup.CriticalServiceEndpointWaitSec <= 0 {
		c.Startup.CriticalServiceEndpointWaitSec = 420
	}
	if c.Startup.CriticalServiceEndpointPollSec <= 0 {
		c.Startup.CriticalServiceEndpointPollSec = 5
	}
	c.Startup.CriticalServiceEndpoints = mergeStringDefaults(c.Startup.CriticalServiceEndpoints, defaultCriticalServiceEndpoints())
	if c.Startup.IngressChecklistWaitSeconds <= 0 {
		c.Startup.IngressChecklistWaitSeconds = 420
	}
	if c.Startup.IngressChecklistPollSeconds <= 0 {
		c.Startup.IngressChecklistPollSeconds = 5
	}
	if len(c.Startup.IngressChecklistAccepted) == 0 {
		c.Startup.IngressChecklistAccepted = []int{200, 301, 302, 307, 308, 401, 403, 404}
	}
	if c.Startup.IngressChecklistIgnoreHosts == nil {
		c.Startup.IngressChecklistIgnoreHosts = []string{}
	}
	if c.Startup.NodeSSHAuthWaitSeconds <= 0 {
		c.Startup.NodeSSHAuthWaitSeconds = 240
	}
	if c.Startup.NodeSSHAuthPollSeconds <= 0 {
		c.Startup.NodeSSHAuthPollSeconds = 5
	}
	if c.Startup.FluxHealthWaitSeconds <= 0 {
		c.Startup.FluxHealthWaitSeconds = 900
	}
	if c.Startup.FluxHealthPollSeconds <= 0 {
		c.Startup.FluxHealthPollSeconds = 5
	}
	if c.Startup.IgnoreFluxKustomizations == nil {
		c.Startup.IgnoreFluxKustomizations = []string{}
	}
	if c.Startup.WorkloadConvergenceWaitSeconds <= 0 {
		c.Startup.WorkloadConvergenceWaitSeconds = 900
	}
	if c.Startup.WorkloadConvergencePollSeconds <= 0 {
		c.Startup.WorkloadConvergencePollSeconds = 5
	}
	if c.Startup.IgnoreWorkloadNamespaces == nil {
		c.Startup.IgnoreWorkloadNamespaces = []string{}
	}
	if c.Startup.IgnoreWorkloads == nil {
		c.Startup.IgnoreWorkloads = []string{}
	}
	if c.Startup.IgnoreUnavailableNodes == nil {
		c.Startup.IgnoreUnavailableNodes = []string{}
	}
	if c.Startup.StuckPodGraceSeconds <= 0 {
		c.Startup.StuckPodGraceSeconds = 180
	}
	if strings.TrimSpace(c.Startup.VaultUnsealKeyFile) == "" {
		c.Startup.VaultUnsealKeyFile = "/var/lib/ananke/vault-unseal.key"
	}
	if c.Startup.VaultUnsealBreakglassTimeout <= 0 {
		c.Startup.VaultUnsealBreakglassTimeout = 15
	}
	if c.SSHPort <= 0 {
		c.SSHPort = 2277
	}
	if c.Shutdown.DefaultBudgetSeconds <= 0 {
		c.Shutdown.DefaultBudgetSeconds = 1380
	}
	if c.Shutdown.HistoryMinSamples <= 0 {
		c.Shutdown.HistoryMinSamples = 3
	}
	if c.Shutdown.EmergencyBudgetSec <= 0 {
		c.Shutdown.EmergencyBudgetSec = 420
	}
	if c.Shutdown.EmergencyMinSamples <= 0 {
		c.Shutdown.EmergencyMinSamples = 3
	}
	if c.Shutdown.DrainParallelism <= 0 {
		c.Shutdown.DrainParallelism = 6
	}
	if c.Shutdown.ScaleParallelism <= 0 {
		c.Shutdown.ScaleParallelism = 8
	}
	if c.Shutdown.SSHParallelism <= 0 {
		c.Shutdown.SSHParallelism = 8
	}
	if c.UPS.PollSeconds <= 0 {
		c.UPS.PollSeconds = 5
	}
	if c.UPS.RuntimeSafetyFactor <= 0 {
		c.UPS.RuntimeSafetyFactor = 1.25
	}
	if c.UPS.DebounceCount <= 0 {
		c.UPS.DebounceCount = 3
	}
	if c.UPS.TelemetryTimeoutSeconds <= 0 {
		c.UPS.TelemetryTimeoutSeconds = 90
	}
	if c.Coordination.ForwardShutdownConfig == "" {
		c.Coordination.ForwardShutdownConfig = "/etc/ananke/ananke.yaml"
	}
	if c.Coordination.PeerHosts == nil {
		c.Coordination.PeerHosts = []string{}
	}
	if c.Coordination.CommandTimeoutSeconds <= 0 {
		c.Coordination.CommandTimeoutSeconds = 25
	}
	if c.Coordination.StartupGuardMaxAgeSec <= 0 {
		c.Coordination.StartupGuardMaxAgeSec = 900
	}
	if c.Coordination.Role == "" {
		c.Coordination.Role = "coordinator"
	}
	if c.Metrics.BindAddr == "" {
		c.Metrics.BindAddr = "0.0.0.0:9560"
	}
	if c.Metrics.Path == "" {
		c.Metrics.Path = "/metrics"
	}
	if c.State.Dir == "" {
		c.State.Dir = "/var/lib/ananke"
	}
	if c.State.ReportsDir == "" {
		c.State.ReportsDir = "/var/lib/ananke/reports"
	}
	if c.State.RunHistoryPath == "" {
		c.State.RunHistoryPath = "/var/lib/ananke/runs.json"
	}
	if c.State.LockPath == "" {
		c.State.LockPath = "/var/lib/ananke/ananke.lock"
	}
	if c.State.IntentPath == "" {
		c.State.IntentPath = "/var/lib/ananke/intent.json"
	}
}