package pkg

import "regexp"

type SysDB struct {
	Fields []*DBItem `json:"fields"`
}

type DBItem struct {
	Key   string `json:"key"`
	Value string `json:"value"`
}

func ParseSysDB(s string) *SysDB {
	sdb := new(SysDB)
	sdb.Parse(s)
	return sdb
}

//func ParseSysDBConfig(s string) *SysDB {
//	d := new(SysDB)
//	d.Parse(s)
//	return d
//}

// list sys db parser, returns name and value associated to every item
func (d *SysDB) Parse(s string) {
	for _, k := range regexp.MustCompile(`sys\s+db\s+(\S+)\s+{(.|\n)*?value\s+"(.*?)"`).FindAllStringSubmatch(s, -1) {
		d.Fields = append(d.Fields, &DBItem{
			Key:   k[1],
			Value: k[3],
		})
	}
}

func FindDBKey(key string, db []*DBItem) *DBItem {
	for _, k := range db {
		if k.Key == key {
			return k
		}
	}
	return nil
}

func (d *SysDB) FindDBKey(key string) *DBItem {
	for _, k := range d.Fields {
		if k.Key == key {
			return k
		}
	}
	return nil
}