package generators

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

type LoxodonArrays 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 LoadLoxodonArrays(path string) (LoxodonArrays, error) {
	var arrays LoxodonArrays
	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 LoxodonNameMas(arr *LoxodonArrays, swearFilter func(string) bool) string {
	nTp := rand.Intn(5)
	rnd := rand.Intn(len(arr.Nm1))
	rnd2 := rand.Intn(len(arr.Nm2))
	rnd5 := rand.Intn(len(arr.Nm6))
	var nMs string
	if nTp == 0 {
		for arr.Nm1[rnd] == "" {
			rnd = rand.Intn(len(arr.Nm1))
		}
		nMs = arr.Nm1[rnd] + arr.Nm2[rnd2] + arr.Nm6[rnd5]
	} else {
		rnd3 := rand.Intn(len(arr.Nm3))
		rnd4 := rand.Intn(len(arr.Nm4))
		for arr.Nm3[rnd3] == arr.Nm1[rnd] || arr.Nm3[rnd3] == arr.Nm6[rnd5] {
			rnd3 = rand.Intn(len(arr.Nm3))
		}
		if rnd2 == 0 {
			for rnd4 == 0 {
				rnd4 = rand.Intn(len(arr.Nm4))
			}
		}
		if nTp < 4 {
			nMs = arr.Nm1[rnd] + arr.Nm2[rnd2] + arr.Nm3[rnd3] + arr.Nm4[rnd4] + arr.Nm6[rnd5]
		} else {
			rnd6 := rand.Intn(len(arr.Nm5))
			for arr.Nm3[rnd3] == arr.Nm5[rnd6] || arr.Nm5[rnd6] == arr.Nm6[rnd5] {
				rnd6 = rand.Intn(len(arr.Nm5))
			}
			nMs = arr.Nm1[rnd] + arr.Nm2[rnd2] + arr.Nm3[rnd3] + arr.Nm4[rnd4] + arr.Nm5[rnd6] + "o" + arr.Nm6[rnd5]
		}
	}
	if swearFilter != nil && swearFilter(nMs) {
		return ""
	}
	return nMs
}

func LoxodonNameFem(arr *LoxodonArrays, swearFilter func(string) bool) string {
	nTp := rand.Intn(3)
	rnd := rand.Intn(len(arr.Nm7))
	rnd2 := rand.Intn(len(arr.Nm8))
	rnd3 := rand.Intn(len(arr.Nm9))
	rnd4 := rand.Intn(len(arr.Nm12))
	rnd5 := rand.Intn(len(arr.Nm13))
	var nMs string
	if nTp < 2 {
		for arr.Nm7[rnd] == arr.Nm9[rnd3] || arr.Nm9[rnd3] == arr.Nm13[rnd5] {
			rnd3 = rand.Intn(len(arr.Nm9))
		}
		nMs = arr.Nm7[rnd] + arr.Nm8[rnd2] + arr.Nm9[rnd3] + arr.Nm12[rnd4] + arr.Nm13[rnd5]
	} else {
		rnd7 := rand.Intn(len(arr.Nm11))
		for arr.Nm11[rnd7] == arr.Nm9[rnd3] || arr.Nm11[rnd7] == arr.Nm13[rnd5] {
			rnd7 = rand.Intn(len(arr.Nm11))
		}
		nMs = arr.Nm7[rnd] + arr.Nm8[rnd2] + arr.Nm9[rnd3] + arr.Nm12[rnd4] + arr.Nm13[rnd5]
	}
	if swearFilter != nil && swearFilter(nMs) {
		return ""
	}
	return nMs
}

func GenerateLoxodonNames(arr *LoxodonArrays, gender string, swearFilter func(string) bool) []string {
	names := make([]string, 0, 10)
	if gender == "female" {
		for i := 0; i < 10; i++ {
			n := LoxodonNameFem(arr, swearFilter)
			for n == "" {
				n = LoxodonNameFem(arr, swearFilter)
			}
			names = append(names, n)
		}
	} else {
		for i := 0; i < 10; i++ {
			n := LoxodonNameMas(arr, swearFilter)
			for n == "" {
				n = LoxodonNameMas(arr, swearFilter)
			}
			names = append(names, n)
		}
	}
	return names
}