package swoosh

import "time"

// CouncilMember represents one elected or proposed council participant.
// This struct must be stable across replicas and serialization order.
type CouncilMember struct {
	ID         string   `json:"id"`
	Role       string   `json:"role"`
	PublicKey  string   `json:"public_key"`
	VoteWeight int      `json:"vote_weight"`
	Signatures []string `json:"signatures"`
	Status     string   `json:"status"`
	Epoch      uint64   `json:"epoch"`
}

// EnvResource defines one environment allocation or provisioned asset.
// It is used by the Environment phase to track compute or service resources.
type EnvResource struct {
	ID           string    `json:"id"`
	Type         string    `json:"type"`
	Address      string    `json:"address"`
	Capacity     string    `json:"capacity"`
	AllocatedAt  time.Time `json:"allocated_at"`
	ReleasedAt   time.Time `json:"released_at"`
	HealthStatus string    `json:"health_status"`
	Provider     string    `json:"provider"`
}

// OrchestratorState captures the full replicated SWOOSH state machine.
type OrchestratorState struct {
	Meta struct {
		Version    string
		SchemaHash string
	}

	Boot struct {
		Licensed      bool
		LicenseExpiry time.Time
		NodeID        string
	}

	Ingestion struct {
		Phase       string
		ContentHash string
		SourceSet   []string
		LastError   string
		Epoch       uint64
	}

	Council struct {
		Phase          string
		PlannedRoles   []string
		Members        []CouncilMember
		QuorumCertHash string
		MCPHealthGreen bool
		Epoch          uint64
	}

	Environment struct {
		Phase      string
		CapacityOK bool
		Health     string
		Resources  []EnvResource
		Epoch      uint64
	}

	Execution struct {
		Phase          string
		ActiveWindowID string
		BeatIndex      uint64
		PlanLocked     bool
		Approvals      uint32
		Epoch          uint64
	}

	Control struct {
		Paused     bool
		Degraded   bool
		Recovering bool
	}

	Policy struct {
		Quarantined bool
		Rationale   string
	}

	HLCLast   string
	StateHash string
}

// TransitionProposal encapsulates a requested state transition.
type TransitionProposal struct {
	CurrentStateHash string   `json:"current_state_hash"`
	TransitionName   string   `json:"transition"`
	InputsHash       string   `json:"inputs_hash"`
	Signer           string   `json:"signer"`
	IdemKey          string   `json:"idem_key"`
	HLC              string   `json:"hlc"`
	WindowID         string   `json:"window_id"`
	Evidence         []string `json:"evidence"`
}

// GuardOutcome aggregates guard evaluation for a transition.
type GuardOutcome struct {
	LicenseOK  bool
	BackbeatOK bool
	QuorumOK   bool
	PolicyOK   bool
	MCPHealthy bool
	Rationale  []string
}

// WALRecord captures append-only transition metadata for replay and audit.
type WALRecord struct {
	StatePreHash    string             `json:"state_pre_hash"`
	StatePostHash   string             `json:"state_post_hash"`
	Transition      TransitionProposal `json:"transition"`
	Guard           GuardOutcome       `json:"guard"`
	AppliedAtHLC    string             `json:"applied_hlc"`
	AppliedAtUnixNs int64              `json:"applied_unix_ns"`
	Index           uint64             `json:"index"`
}