package generators

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

type GithyankiArrays 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"`
	Nm14 []string `json:"nm14"`
}

func LoadGithyankiArrays(path string) (GithyankiArrays, error) {
	var arrays GithyankiArrays
	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 GithyankiNameFem(arr *GithyankiArrays, swearFilter func(string) bool) string {
	for {
		nTp := rand.Intn(5)
		rnd := rand.Intn(len(arr.Nm8))
		rnd2 := rand.Intn(len(arr.Nm9))
		rnd3 := rand.Intn(len(arr.Nm14))
		rnd4 := rand.Intn(len(arr.Nm10))
		rnd5 := rand.Intn(len(arr.Nm11))
		for rnd < 4 && rnd4 < 3 {
			rnd4 = rand.Intn(len(arr.Nm10))
		}
		var nMs string
		if nTp < 4 {
			for arr.Nm10[rnd4] == arr.Nm8[rnd] || arr.Nm10[rnd4] == arr.Nm14[rnd3] {
				rnd4 = rand.Intn(len(arr.Nm10))
			}
			nMs = arr.Nm8[rnd] + arr.Nm9[rnd2] + arr.Nm10[rnd4] + arr.Nm11[rnd5] + arr.Nm14[rnd3]
		} else {
			rnd6 := rand.Intn(len(arr.Nm12))
			rnd7 := rand.Intn(len(arr.Nm13))
			for rnd7 < 4 && rnd4 < 3 {
				rnd7 = rand.Intn(len(arr.Nm13))
			}
			for rnd7 < 4 && rnd < 3 {
				rnd7 = rand.Intn(len(arr.Nm13))
			}
			for arr.Nm10[rnd4] == arr.Nm12[rnd6] || arr.Nm12[rnd6] == arr.Nm14[rnd3] {
				rnd6 = rand.Intn(len(arr.Nm12))
			}
			nMs = arr.Nm8[rnd] + arr.Nm9[rnd2] + arr.Nm10[rnd4] + arr.Nm11[rnd5] + arr.Nm12[rnd6] + arr.Nm13[rnd7] + arr.Nm14[rnd3]
		}
		if swearFilter == nil || !swearFilter(nMs) {
			return nMs
		}
	}
}

func GithyankiNameMas(arr *GithyankiArrays, swearFilter func(string) bool) string {
	for {
		nTp := rand.Intn(5)
		rnd := rand.Intn(len(arr.Nm1))
		rnd2 := rand.Intn(len(arr.Nm2))
		rnd3 := rand.Intn(len(arr.Nm7))
		if nTp == 0 {
			for arr.Nm1[rnd] == "" {
				rnd = rand.Intn(len(arr.Nm1))
			}
			for arr.Nm1[rnd] == arr.Nm7[rnd3] || arr.Nm7[rnd3] == "" {
				rnd3 = rand.Intn(len(arr.Nm7))
			}
			nMs := arr.Nm1[rnd] + arr.Nm2[rnd2] + arr.Nm7[rnd3]
			if swearFilter == nil || !swearFilter(nMs) {
				return nMs
			}
		} else {
			rnd4 := rand.Intn(len(arr.Nm3))
			rnd5 := rand.Intn(len(arr.Nm4))
			for rnd2 < 3 && rnd5 < 3 {
				rnd2 = rand.Intn(len(arr.Nm2))
			}
			if nTp < 4 {
				for arr.Nm3[rnd4] == arr.Nm1[rnd] || arr.Nm3[rnd4] == arr.Nm7[rnd3] {
					rnd4 = rand.Intn(len(arr.Nm3))
				}
				nMs := arr.Nm1[rnd] + arr.Nm2[rnd2] + arr.Nm3[rnd4] + arr.Nm4[rnd5] + arr.Nm7[rnd3]
				if swearFilter == nil || !swearFilter(nMs) {
					return nMs
				}
			} else {
				rnd6 := rand.Intn(len(arr.Nm5))
				rnd7 := rand.Intn(len(arr.Nm6))
				for arr.Nm3[rnd4] == arr.Nm5[rnd6] || arr.Nm5[rnd6] == arr.Nm7[rnd3] {
					rnd6 = rand.Intn(len(arr.Nm5))
				}
				nMs := arr.Nm1[rnd] + arr.Nm2[rnd2] + arr.Nm3[rnd4] + arr.Nm4[rnd5] + arr.Nm5[rnd6] + arr.Nm6[rnd7] + arr.Nm7[rnd3]
				if swearFilter == nil || !swearFilter(nMs) {
					return nMs
				}
			}
		}
	}
}

func GenerateGithyankiNames(arr *GithyankiArrays, gender string, swearFilter func(string) bool) []string {
	names := make([]string, 0, 10)
	for i := 0; i < 10; i++ {
		var n string
		if gender == "female" {
			n = GithyankiNameFem(arr, swearFilter)
		} else {
			n = GithyankiNameMas(arr, swearFilter)
		}
		names = append(names, n)
	}
	return names
}