package generators

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

type ShardmindArrays struct {
	Nm1 []string `json:"nm1"`
	Nm2 []string `json:"nm2"`
}

func LoadShardmindArrays(path string) (ShardmindArrays, error) {
	var arr ShardmindArrays
	file, err := os.Open(path)
	if err != nil {
		return arr, err
	}
	defer file.Close()
	decoder := json.NewDecoder(file)
	if err := decoder.Decode(&arr); err != nil {
		return arr, err
	}
	return arr, nil
}

func GenerateShardmindName(arr ShardmindArrays) string {
	rand.Seed(time.Now().UnixNano())
	rnd := rand.Intn(len(arr.Nm1))
	rnd2 := rand.Intn(len(arr.Nm2))
	return arr.Nm1[rnd] + arr.Nm2[rnd2]
}

func GenerateShardmindNames(arr *ShardmindArrays, swearFilter func(string) bool) []string {
	names := make([]string, 0, 10)
	for i := 0; i < 10; i++ {
		n := GenerateShardmindName(*arr)
		for n == "" || swearFilter(n) {
			n = GenerateShardmindName(*arr)
		}
		names = append(names, n)
	}
	return names
}