package generators

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

type LocathahArrays struct {
	Nm1 []string `json:"nm1"`
	Nm2 []string `json:"nm2"`
	Nm3 []string `json:"nm3"`
	Nm4 []string `json:"nm4"`
	Nm5 []string `json:"nm5"`
}

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

func LocathahNameMas(arr *LocathahArrays, swearFilter func(string) bool) string {
	rnd := rand.Intn(len(arr.Nm1))
	rnd2 := rand.Intn(len(arr.Nm2))
	rnd3 := rand.Intn(len(arr.Nm3))
	rnd4 := rand.Intn(len(arr.Nm4))
	rnd5 := rand.Intn(len(arr.Nm5))
	for arr.Nm3[rnd3] == arr.Nm5[rnd5] || arr.Nm3[rnd3] == arr.Nm1[rnd] {
		rnd3 = rand.Intn(len(arr.Nm3))
	}
	nMs := arr.Nm1[rnd] + arr.Nm2[rnd2] + arr.Nm3[rnd3] + arr.Nm4[rnd4] + arr.Nm5[rnd5]
	if swearFilter != nil && swearFilter(nMs) {
		return ""
	}
	return nMs
}

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