package generators

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

type WildenArrays struct {
	NmMFf []string `json:"nmMFf"`
	NmMFl []string `json:"nmMFl"`
	NmMSf []string `json:"nmMSf"`
	NmMSl []string `json:"nmMSl"`
	NmFF  []string `json:"nmFF"`
	NmFL  []string `json:"nmFL"`
}

func LoadWildenArrays(path string) (WildenArrays, error) {
	var arr WildenArrays
	f, err := os.Open(path)
	if err != nil {
		return arr, err
	}
	defer f.Close()
	dec := json.NewDecoder(f)
	if err := dec.Decode(&arr); err != nil {
		return arr, err
	}
	return arr, nil
}

// type: "female" or "male" (default male)
func GenerateWildenNames(arr *WildenArrays, swear func(string) bool, gender string) []string {
	var names []string
	for i := 0; i < 10; i++ {
		var name string
		if gender == "female" {
			rnd := rand.Intn(len(arr.NmFF))
			rnd2 := rand.Intn(len(arr.NmFL))
			name = arr.NmFF[rnd] + arr.NmFL[rnd2]
		} else {
			if i < 5 {
				rnd := rand.Intn(len(arr.NmMFf))
				rnd2 := rand.Intn(len(arr.NmMFl))
				name = arr.NmMFf[rnd] + arr.NmMFl[rnd2]
			} else {
				rnd := rand.Intn(len(arr.NmMSf))
				rnd2 := rand.Intn(len(arr.NmMSl))
				name = arr.NmMSf[rnd] + arr.NmMSl[rnd2]
			}
		}
		if !swear(name) {
			names = append(names, name)
		}
	}
	return names
}