package infra

import "time"

// Migration represents a migration parsed from a .sql file.
type Migration struct {
	Version   int       // sequential number (1, 2, 3...)
	Name      string    // descriptive name (create_entities, add_status_column)
	UpSQL     string    // SQL block to apply the migration
	DownSQL   string    // SQL block to revert the migration
	AppliedAt time.Time // zero value if not yet applied
}

// MigrationStatus represents the state of a migration relative to a database.
type MigrationStatus struct {
	Version   int       // sequential number
	Name      string    // descriptive name
	Applied   bool      // true if already applied in the database
	AppliedAt time.Time // when it was applied (zero value if pending)
}