csv

type CSVConfig struct {
	// HasHeader indicates if first line is header
	// true: first line has column names
	// false: fixed format (instance_id, cloud, account, region)
	HasHeader bool

	// Delimiter column separator character (default: comma)
	Delimiter rune

	// RequiredFields list of required fields in CSV
	// Parser will validate these fields exist and are not empty
	RequiredFields []string

	// CloudDefault default value for cloud if column doesn't exist
	// Useful for legacy CSVs that didn't have cloud column
	CloudDefault string
}

type CSVRecord struct {
	InstanceID string            // Instance ID (required)
	Cloud      string            // Provider: aws, azure, gcp (default: aws)
	Account    string            // Account/Subscription/Project (required)
	Region     string            // Instance region (required)
	Extra      map[string]string // Optional extra columns (environment, team, etc)
}

type ParseError struct {
	Line    int    // Line number where error occurred
	Column  string // Column name with problem (if applicable)
	Message string // Error message
	Err     error  // Original error (if any)
}

type Parser struct {
	// contains filtered or unexported fields
}