package generators

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

type DragonbornArrays struct {
	Nm1  []string `json:"nm1"`
	Nm2  []string `json:"nm2"`
	Nm3  []string `json:"nm3"`
	Nm4  []string `json:"nm4"`
	Nm5  []string `json:"nm5"`
	Nm6  []string `json:"nm6"`
	Nm7  []string `json:"nm7"`
	Nm8  []string `json:"nm8"`
	Nm9  []string `json:"nm9"`
	Nm10 []string `json:"nm10"`
	Nm11 []string `json:"nm11"`
	Nm12 []string `json:"nm12"`
	Nm13 []string `json:"nm13"`
}

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

func DragonbornNameMas(arr *DragonbornArrays, 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 DragonbornNameFem(arr *DragonbornArrays, 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
}

func DragonbornNameSur(arr *DragonbornArrays, checkSwear func(string) bool) string {
	ntp := rand.Intn(10)
	rnd := rand.Intn(len(arr.Nm5))
	rnd2 := rand.Intn(len(arr.Nm6))
	rnd3 := rand.Intn(len(arr.Nm7))
	rnd4 := rand.Intn(len(arr.Nm6))
	rnd5 := rand.Intn(len(arr.Nm10))
	for arr.Nm7[rnd3] == arr.Nm5[rnd] || arr.Nm7[rnd3] == arr.Nm10[rnd5] {
		rnd3 = rand.Intn(len(arr.Nm7))
	}
	if ntp < 4 {
		nSr := arr.Nm5[rnd] + arr.Nm6[rnd2] + arr.Nm7[rnd3] + arr.Nm6[rnd4] + arr.Nm10[rnd5]
		if checkSwear != nil && checkSwear(nSr) {
			return ""
		}
		return nSr
	} else {
		rnd6 := rand.Intn(len(arr.Nm6))
		rnd7 := rand.Intn(len(arr.Nm8))
		for arr.Nm7[rnd3] == arr.Nm8[rnd7] || arr.Nm8[rnd7] == arr.Nm10[rnd5] {
			rnd7 = rand.Intn(len(arr.Nm8))
		}
		if ntp < 7 {
			nSr := arr.Nm5[rnd] + arr.Nm6[rnd2] + arr.Nm7[rnd3] + arr.Nm6[rnd4] + arr.Nm8[rnd7] + arr.Nm6[rnd6] + arr.Nm10[rnd5]
			if checkSwear != nil && checkSwear(nSr) {
				return ""
			}
			return nSr
		} else {
			rnd8 := rand.Intn(len(arr.Nm6))
			rnd9 := rand.Intn(len(arr.Nm9))
			for arr.Nm9[rnd9] == arr.Nm8[rnd7] || arr.Nm9[rnd9] == arr.Nm10[rnd5] {
				rnd9 = rand.Intn(len(arr.Nm9))
			}
			nSr := arr.Nm5[rnd] + arr.Nm6[rnd2] + arr.Nm7[rnd3] + arr.Nm6[rnd4] + arr.Nm8[rnd7] + arr.Nm6[rnd6] + arr.Nm9[rnd9] + arr.Nm6[rnd8] + arr.Nm10[rnd5]
			if checkSwear != nil && checkSwear(nSr) {
				return ""
			}
			return nSr
		}
	}
}