//
// db_func_opt.go
// Copyright (C) 2023 tiglog <me@tiglog.com>
//
// Distributed under terms of the MIT license.
//

package sqldb

type QueryOption struct {
	table  string
	query  string
	set    string
	fields []string
	sort   string
	offset int
	limit  int
	args   []any
	joins  []string
}

func NewQueryOption(table string) *QueryOption {
	return &QueryOption{
		table:  table,
		fields: []string{"*"},
		offset: 0,
		limit:  0,
		args:   make([]any, 0),
		joins:  make([]string, 0),
	}
}
func (opt *QueryOption) Query(query string) *QueryOption {
	opt.query = query
	return opt
}
func (opt *QueryOption) Fields(args []string) *QueryOption {
	opt.fields = args
	return opt
}
func (opt *QueryOption) Select(cols ...string) *QueryOption {
	opt.fields = cols
	return opt
}
func (opt *QueryOption) Offset(offset int) *QueryOption {
	opt.offset = offset
	return opt
}
func (opt *QueryOption) Limit(limit int) *QueryOption {
	opt.limit = limit
	return opt
}
func (opt *QueryOption) Sort(sort string) *QueryOption {
	opt.sort = sort
	return opt
}
func (opt *QueryOption) Set(set string) *QueryOption {
	opt.set = set
	return opt
}
func (opt *QueryOption) Args(args ...any) *QueryOption {
	opt.args = args
	return opt
}
func (opt *QueryOption) Join(table string, cond string) *QueryOption {
	opt.joins = append(opt.joins, "join "+table+" on "+cond)
	return opt
}
func (opt *QueryOption) LeftJoin(table string, cond string) *QueryOption {
	opt.joins = append(opt.joins, "left join "+table+" on "+cond)
	return opt
}
func (opt *QueryOption) RightJoin(table string, cond string) *QueryOption {
	opt.joins = append(opt.joins, "right join "+table+" on "+cond)
	return opt
}