package generators

import (
	"encoding/json"
	"math/rand"
	"os"
)

type EladrinArrays struct {
	Nm1 []string `json:"nm1"`
	Nm2 []string `json:"nm2"`
	Nm3 []string `json:"nm3"`
	Nm4 []string `json:"nm4"`
}

func LoadEladrinArrays(path string) (*EladrinArrays, error) {
	file, err := os.Open(path)
	if err != nil {
		return nil, err
	}
	defer file.Close()
	var arrays EladrinArrays
	if err := json.NewDecoder(file).Decode(&arrays); err != nil {
		return nil, err
	}
	return &arrays, nil
}

func EladrinNameMas(arr *EladrinArrays, checkSwear func(string) bool) string {
	rnd := rand.Intn(len(arr.Nm1))
	rnd2 := rand.Intn(len(arr.Nm2))
	nMs := arr.Nm1[rnd] + arr.Nm2[rnd2]
	if checkSwear != nil && checkSwear(nMs) {
		return ""
	}
	return nMs
}

func EladrinNameFem(arr *EladrinArrays, checkSwear func(string) bool) string {
	rnd := rand.Intn(len(arr.Nm3))
	rnd2 := rand.Intn(len(arr.Nm4))
	nMs := arr.Nm3[rnd] + arr.Nm4[rnd2]
	if checkSwear != nil && checkSwear(nMs) {
		return ""
	}
	return nMs
}