generator

type Config struct {
	// Input directory to scan for Go structs (supports glob: /models/**/*.go)
	Input string `yaml:"input"`

	// Output directory or file path
	Output string `yaml:"output"`

	// Field name case transformation (camel, snake, pascal)
	FieldCase FieldCase `yaml:"field_case"`

	// Use json struct tag for field names if gql tag is not present
	UseJsonTag bool `yaml:"use_json_tag"`

	// Generate gqlgen directives (@goModel, @goField, @goTag)
	UseGqlGenDirectives bool `yaml:"use_gqlgen_directives"`

	// Base path for @goModel directive (e.g., "github.com/user/project/models")
	// If empty, uses the actual package path
	ModelPath string `yaml:"model_path"`

	// StripPrefix is a comma-separated list of prefixes to strip from type names
	// e.g. "DB,Pg" will convert "DBUser" to "User" and "PgPost" to "Post"
	// Only applies when @gqlType or @gqlInput doesn't specify a custom name
	StripPrefix string `yaml:"strip_prefix"`

	// StripSuffix is a comma-separated list of suffixes to strip from type names
	// e.g. "DTO,Entity,Model" will convert "UserDTO" to "User" and "PostEntity" to "Post"
	// Only applies when @gqlType or @gqlInput doesn't specify a custom name
	StripSuffix string `yaml:"strip_suffix"`

	// AddTypePrefix is a prefix to add to GraphQL type names
	// e.g. "Gql" will convert "User" to "GqlUser"
	// Only applies when @gqlType doesn't specify a custom name
	AddTypePrefix string `yaml:"add_type_prefix"`

	// AddTypeSuffix is a suffix to add to GraphQL type names
	// e.g. "Type" will convert "User" to "UserType"
	// Only applies when @gqlType doesn't specify a custom name
	AddTypeSuffix string `yaml:"add_type_suffix"`

	// AddInputPrefix is a prefix to add to GraphQL input names
	// e.g. "Gql" will convert "UserInput" to "GqlUserInput"
	// Only applies when @gqlInput doesn't specify a custom name
	AddInputPrefix string `yaml:"add_input_prefix"`

	// AddInputSuffix is a suffix to add to GraphQL input names
	// e.g. "Payload" will convert "CreateUser" to "CreateUserPayload"
	// Only applies when @gqlInput doesn't specify a custom name
	AddInputSuffix string `yaml:"add_input_suffix"`

	// Generation strategy: single file or multiple files
	GenStrategy GenStrategy `yaml:"strategy"`

	// Schema file name pattern (for multiple strategy)
	// Supports: {model_name}, {type_name}
	// Default: "{model_name}.graphqls"
	SchemaFileName string `yaml:"schema_file_name"`

	// Include empty types (types with no fields)
	IncludeEmptyTypes bool `yaml:"include_empty_types"`

	// Directory to scan (deprecated, use Input)
	PkgDir string `yaml:"pkg_dir"`

	// Output directory (deprecated, use Output)
	OutDir string `yaml:"out_dir"`

	// Single file mode (deprecated, use GenStrategy)
	SingleFile bool `yaml:"single_file"`

	// Skip existing files
	SkipExisting bool `yaml:"skip_existing"`

	// Generate inputs automatically
	GenInputs bool `yaml:"gen_inputs"`

	// Generate empty structs
	GenerateEmptyStructs bool `yaml:"generate_empty_structs"`
}

type ExtraField struct {
	Name         string
	Type         string
	OverrideTags string
	Description  string
}

type FieldCase string

type FieldOptions struct {
	Name          string
	Ignore        bool
	Include       bool
	Omit          bool
	Optional      bool
	Required      bool
	Type          string // Custom GraphQL type
	ForceResolver bool
	Description   string
}

type GenStrategy string

type Generator struct {
	P      *Parser
	Config *Config
}

type Parser struct {
	StructTypes  map[string]*ast.TypeSpec
	Structs      map[string]*ast.StructType
	PackageNames map[string]string
	TypeToDecl   map[string]*ast.GenDecl
	// ordered list of type names for deterministic output
	TypeNames []string
}

type StructDirectives struct {
	GQLName           string
	GQLInput          string       // @gqlInput(name:"InputName",description:"desc")
	GQLType           string       // @gqlType(name:"TypeName",description:"desc")
	TypeDescription   string       // Description from @gqlType
	InputDescription  string       // Description from @gqlInput
	IgnoreAll         bool         // @gqlIgnoreAll
	UseModelDirective bool         // @gqlUseModelDirective
	SkipType          bool         // @gqlskip
	GenInput          bool         // Generate input type
	Partial           bool         // @partial
	ExtraFields       []ExtraField // @gqlExtraField (repeatable)
}