generator

type FieldMeta struct {
	FieldName    string
	Column       string
	Type         string
	IsPK         bool
	AutoIncr     bool
	IsJSON       bool     // Whether field is a JSON type
	JSONTypeName string   // Name of the JSON struct type (e.g. "UserMetadata")
	Doc          []string // Documentation comments
}

type GenConfig struct {
	OutPath        string
	IncludeStructs []string
	ExcludeStructs []string
	FieldTypeMap   map[string]string
}

type JSONFieldMeta struct {
	FieldName  string         // Name of the field in parent model (e.g. "Metadata")
	TypeName   string         // Name of the JSON struct type (e.g. "UserMetadata")
	ColumnName string         // Database column name
	Paths      []JSONPathMeta // List of paths in this JSON field
}

type JSONPathMeta struct {
	GoName   string // Go field name (e.g. "Name")
	JSONPath string // JSON path (e.g. "$.name")
}

type ModelMeta struct {
	PackageName       string
	ParentPackage     string // For generated code to reference parent package
	ModulePath        string // Module path like github.com/user/project
	PackagePath       string // Package path like models
	ModelName         string
	TableName         string
	Fields            []FieldMeta
	JSONFields        []JSONFieldMeta   // JSON field path definitions
	Doc               []string          // Documentation comments
	GeneratedAt       string            // Timestamp
	HasJSON           bool              // Whether imported encoding/json package is needed
	HasJSONField      bool              // Whether any field has type:json tag
	PKFieldName       string            // Cached PK Field Name
	PKColumnName      string            // Cached PK Column Name
	PKFieldType       string            // Cached PK Field Type
	IsAutoIncrementPK bool              // Cached PK AutoIncrement status
	SchemaStructName  string            // e.g. userSchema
	IsJSONOnly        bool              // True if struct is only used as JSON embed (no db tags/PK)
	HasDBTag          bool              // True if any field has a db tag
	TypeAliases       map[string]string // type A int → {"A": "int"}
	FieldTypeMap      map[string]string // User-defined type mappings from config
}