package orm

import (
	
	
	
	
	

	
	
	
)

var defaultFmter = NewFormatter()

type queryWithSepAppender interface {
	QueryAppender
	AppendSep([]byte) []byte
}

//------------------------------------------------------------------------------

type SafeQueryAppender struct {
	query  string
	params []interface{}
}

var (
	_ QueryAppender       = (*SafeQueryAppender)(nil)
	_ types.ValueAppender = (*SafeQueryAppender)(nil)
)

//nolint
func ( string,  ...interface{}) *SafeQueryAppender {
	return &SafeQueryAppender{, }
}

func ( *SafeQueryAppender) ( QueryFormatter,  []byte) ([]byte, error) {
	return .FormatQuery(, .query, .params...), nil
}

func ( *SafeQueryAppender) ( []byte,  int) ([]byte, error) {
	return .AppendQuery(defaultFmter, )
}

func ( *SafeQueryAppender) () types.Safe {
	,  := .AppendValue(nil, 1)
	if  != nil {
		return types.Safe(.Error())
	}
	return types.Safe(internal.BytesToString())
}

//------------------------------------------------------------------------------

type condGroupAppender struct {
	sep  string
	cond []queryWithSepAppender
}

var (
	_ QueryAppender        = (*condAppender)(nil)
	_ queryWithSepAppender = (*condAppender)(nil)
)

func ( *condGroupAppender) ( []byte) []byte {
	return append(, .sep...)
}

func ( *condGroupAppender) ( QueryFormatter,  []byte) ( []byte,  error) {
	 = append(, '(')
	for ,  := range .cond {
		if  > 0 {
			 = .AppendSep()
		}
		,  = .AppendQuery(, )
		if  != nil {
			return nil, 
		}
	}
	 = append(, ')')
	return , nil
}

//------------------------------------------------------------------------------

type condAppender struct {
	sep    string
	cond   string
	params []interface{}
}

var (
	_ QueryAppender        = (*condAppender)(nil)
	_ queryWithSepAppender = (*condAppender)(nil)
)

func ( *condAppender) ( []byte) []byte {
	return append(, .sep...)
}

func ( *condAppender) ( QueryFormatter,  []byte) ([]byte, error) {
	 = append(, '(')
	 = .FormatQuery(, .cond, .params...)
	 = append(, ')')
	return , nil
}

//------------------------------------------------------------------------------

type fieldAppender struct {
	field string
}

var _ QueryAppender = (*fieldAppender)(nil)

func ( fieldAppender) ( QueryFormatter,  []byte) ([]byte, error) {
	return types.AppendIdent(, .field, 1), nil
}

//------------------------------------------------------------------------------

type dummyFormatter struct{}

func ( dummyFormatter) ( []byte,  string,  ...interface{}) []byte {
	return append(, ...)
}

func ( QueryFormatter) bool {
	,  := .(dummyFormatter)
	return 
}

//------------------------------------------------------------------------------

type QueryFormatter interface {
	FormatQuery(b []byte, query string, params ...interface{}) []byte
}

type Formatter struct {
	namedParams map[string]interface{}
	model       TableModel
}

var _ QueryFormatter = (*Formatter)(nil)

func () *Formatter {
	return new(Formatter)
}

func ( *Formatter) () string {
	if len(.namedParams) == 0 {
		return ""
	}

	 := make([]string, len(.namedParams))
	 := 0
	for  := range .namedParams {
		[] = 
		++
	}

	sort.Strings()

	 := make([]string, len())
	for ,  := range  {
		[] = fmt.Sprintf("%s=%v", , .namedParams[])
	}
	return " " + strings.Join(, " ")
}

func ( *Formatter) () *Formatter {
	 := NewFormatter()

	.model = .model
	if len(.namedParams) > 0 {
		.namedParams = make(map[string]interface{}, len(.namedParams))
	}
	for ,  := range .namedParams {
		.setParam(, )
	}

	return 
}

func ( *Formatter) ( TableModel) *Formatter {
	 := .clone()
	.model = 
	return 
}

func ( *Formatter) ( interface{}) *Formatter {
	switch model := .(type) {
	case TableModel:
		return .WithTableModel()
	case *Query:
		return .WithTableModel(.tableModel)
	case QueryCommand:
		return .WithTableModel(.Query().tableModel)
	default:
		panic(fmt.Errorf("pg: unsupported model %T", ))
	}
}

func ( *Formatter) ( string,  interface{}) {
	if .namedParams == nil {
		.namedParams = make(map[string]interface{})
	}
	.namedParams[] = 
}

func ( *Formatter) ( string,  interface{}) *Formatter {
	 := .clone()
	.setParam(, )
	return 
}

func ( *Formatter) ( string) interface{} {
	return .namedParams[]
}

func ( *Formatter) () bool {
	return len(.namedParams) > 0 || .model != nil
}

func ( *Formatter) (,  []byte,  ...interface{}) []byte {
	if ( == nil && !.hasParams()) || bytes.IndexByte(, '?') == -1 {
		return append(, ...)
	}
	return .append(, parser.New(), )
}

func ( *Formatter) ( []byte,  string,  ...interface{}) []byte {
	if ( == nil && !.hasParams()) || strings.IndexByte(, '?') == -1 {
		return append(, ...)
	}
	return .append(, parser.NewString(), )
}

func ( *Formatter) ( []byte,  *parser.Parser,  []interface{}) []byte {
	var  int
	var  bool
	var  *tableParams

	for .Valid() {
		,  := .ReadSep('?')
		if ! {
			 = append(, ...)
			continue
		}
		if len() > 0 && [len()-1] == '\\' {
			 = append(, [:len()-1]...)
			 = append(, '?')
			continue
		}
		 = append(, ...)

		,  := .ReadIdentifier()
		if  != "" {
			if  {
				,  := strconv.Atoi()
				if  != nil {
					goto 
				}

				if  >= len() {
					goto 
				}

				 = .appendParam(, [])
				continue
			}

			if .namedParams != nil {
				,  := .namedParams[]
				if  {
					 = .appendParam(, )
					continue
				}
			}

			if ! && len() > 0 {
				 = true
				, _ = newTableParams([len()-1])
			}

			if  != nil {
				,  = .AppendParam(, , )
				if  {
					continue
				}
			}

			if .model != nil {
				,  = .model.AppendParam(, , )
				if  {
					continue
				}
			}

		:
			 = append(, '?')
			 = append(, ...)
			continue
		}

		if  >= len() {
			 = append(, '?')
			continue
		}

		 := []
		++

		 = .appendParam(, )
	}

	return 
}

func ( *Formatter) ( []byte,  interface{}) []byte {
	switch param := .(type) {
	case QueryAppender:
		,  := .AppendQuery(, )
		if  != nil {
			return types.AppendError(, )
		}
		return 
	default:
		return types.Append(, , 1)
	}
}