package config

import (
	"time"

	bftconfig "github.com/cometbft/cometbft/config"
)

type UnifiedConfig struct {
	*bftconfig.Config `mapstructure:",squash"`

	PLC *PLCConfig `mapstructure:"plc"`
}

func DefaultConfig() *UnifiedConfig {
	return &UnifiedConfig{
		Config: bftconfig.DefaultConfig(),
		PLC:    DefaultPLCConfig(),
	}
}

type PLCConfig struct {
	// Address to listen for incoming connections
	ListenAddress string `mapstructure:"laddr"`

	// Whether to expose pprof endpoints for debugging
	Pprof bool `mapstructure:"pprof"`

	// Maximum age of a cursor for the streaming export endpoint.
	// If set to 0, the OutdatedCursor error is disabled entirely.
	MaxStreamingExportCursorAge time.Duration `mapstructure:"max_streaming_export_cursor_age"`

	// Server response timeout for API endpoints
	ResponseTimeout time.Duration `mapstructure:"response_timeout"`

	// SnapshotInterval defines the number of blocks between automatic snapshots.
	// If set to 0, automatic snapshot creation is disabled.
	SnapshotInterval uint64 `mapstructure:"snapshot_interval"`

	// SnapshotRetentionCount defines the maximum number of snapshots to retain.
	// When creating a new snapshot, older snapshots are automatically deleted.
	// If set to 0, all snapshots are retained.
	SnapshotRetentionCount uint64 `mapstructure:"snapshot_retention_count"`
}

func DefaultPLCConfig() *PLCConfig {
	return &PLCConfig{
		ListenAddress:               "tcp://127.0.0.1:28080",
		Pprof:                       true, // TODO set to false once we move past alpha phase
		MaxStreamingExportCursorAge: 7 * 24 * time.Hour,
		ResponseTimeout:             10 * time.Second,
		SnapshotInterval:            0, // Disable snapshots by default
		SnapshotRetentionCount:      1,
	}
}