package generators

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

type LeoninArrays 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"`
	Nm16 []string `json:"nm16"`
	Nm17 []string `json:"nm17"`
}

func LoadLeoninArrays(path string) (LeoninArrays, error) {
	var arrays LeoninArrays
	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 LeoninNameFem(arr *LeoninArrays, swearFilter func(string) bool) string {
	nTp := rand.Intn(7)
	rnd := rand.Intn(len(arr.Nm8))
	rnd2 := rand.Intn(len(arr.Nm9))
	rnd3 := rand.Intn(len(arr.Nm10))
	rnd4 := rand.Intn(len(arr.Nm13))
	rnd5 := rand.Intn(len(arr.Nm14))
	var nMs string
	if nTp < 3 {
		for arr.Nm10[rnd3] == arr.Nm14[rnd5] || arr.Nm10[rnd3] == arr.Nm8[rnd] {
			rnd3 = rand.Intn(len(arr.Nm10))
		}
		nMs = arr.Nm8[rnd] + arr.Nm9[rnd2] + arr.Nm10[rnd3] + arr.Nm13[rnd4] + arr.Nm14[rnd5]
	} else {
		rnd6 := rand.Intn(len(arr.Nm11))
		rnd7 := rand.Intn(len(arr.Nm12))
		for arr.Nm14[rnd5] == arr.Nm12[rnd7] || arr.Nm12[rnd7] == arr.Nm10[rnd3] {
			rnd7 = rand.Intn(len(arr.Nm12))
		}
		if nTp < 6 {
			nMs = arr.Nm8[rnd] + arr.Nm9[rnd2] + arr.Nm10[rnd3] + arr.Nm11[rnd6] + arr.Nm12[rnd7] + arr.Nm13[rnd4] + arr.Nm14[rnd5]
		} else {
			rnd8 := rand.Intn(len(arr.Nm11))
			rnd9 := rand.Intn(len(arr.Nm12))
			for arr.Nm14[rnd5] == arr.Nm12[rnd9] || arr.Nm12[rnd9] == arr.Nm12[rnd7] {
				rnd9 = rand.Intn(len(arr.Nm12))
			}
			nMs = arr.Nm8[rnd] + arr.Nm9[rnd2] + arr.Nm10[rnd3] + arr.Nm11[rnd6] + arr.Nm12[rnd7] + arr.Nm11[rnd8] + arr.Nm12[rnd9] + arr.Nm13[rnd4] + arr.Nm14[rnd5]
		}
	}
	if swearFilter == nil || !swearFilter(nMs) {
		return nMs
	}
	return ""
}

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

func GenerateLeoninNames(arr *LeoninArrays, gender string, swearFilter func(string) bool) []string {
	names := make([]string, 0, 10)
	for i := 0; i < 10; i++ {
		var nMs string
		if gender == "female" {
			nMs = LeoninNameFem(arr, swearFilter)
			for nMs == "" {
				nMs = LeoninNameFem(arr, swearFilter)
			}
		} else {
			nMs = LeoninNameMas(arr, swearFilter)
			for nMs == "" {
				nMs = LeoninNameMas(arr, swearFilter)
			}
		}
		rnd := rand.Intn(len(arr.Nm16))
		rnd2 := rand.Intn(len(arr.Nm17))
		for arr.Nm16[rnd] == arr.Nm17[rnd2] {
			rnd2 = rand.Intn(len(arr.Nm17))
		}
		nMs += " " + arr.Nm16[rnd] + arr.Nm17[rnd2]
		names = append(names, nMs)
	}
	return names
}